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How Many Wireless Technologies Can We Handle?

Golygydd Max writes "The space for high-speed wireless networking is getting mighty crowded. Techworld reports that a new company, Sibeam, has entered the fray, hinting at a 60GHz technology to compete with the likes of Wimax, UWB and the others. Does the world really need another player when the future is still so unclear?"

265 comments

  1. you should have seen it coming by oliphaunt · · Score: 0, Offtopic

    I for one welcome our new wireless overlords.

    --




    Humpty Dumpty was pushed.
    1. Re:you should have seen it coming by Nuclear+Elephant · · Score: 1

      60Ghz? That's got a range of what 3 inches?

    2. Re:you should have seen it coming by Anonymous Coward · · Score: 0

      I for one welcome our new lords over wireless.

    3. Re:you should have seen it coming by Rei · · Score: 1

      Perhaps instead of trying to eke out new bands from a crowded spectrum, we'll eventually start to see more directional transmission.

      --
      I wish people would stop comparing JÃnsi to God. He's good, but he's no JÃnsi.
    4. Re:you should have seen it coming by rbanffy · · Score: 1
      Humpty Dumpty was pushed.

      By Han Solo

    5. Re:you should have seen it coming by Prophet+of+Nixon · · Score: 1

      But Humpty Dumpty pushed first!

  2. standardize by SolusSD · · Score: 2, Insightful

    We need a robust future expandable standard. My school has changed wireless technologies campus-wide 3 times in 3 years!

    1. Re:standardize by r00ts · · Score: 0

      They reason they've changed so often is because the technology is still evolving at a huge rate. Once the technology stops getting upgraded every two weeks, then we'll be able to settle on one standard.

    2. Re:standardize by Quevar · · Score: 2

      What are the three standards your school has changed to? That seems incredibly wasteful. I've been using 802.11 b/g for the past 4 years and it is compatible with just about all the devices I've come across. There was the whole Intel 802.11a that sucked, but not many people used that.

      It sounds like your school is being very wasteful and not looking ahead at all.

    3. Re:standardize by Locutus · · Score: 1

      it does seem pretty excessive to have switched wireless technologies 3 times but maybe it's just different implementatons of 802.11. I can see them starting with 802.11b and then going to 802.11g, only to realize that it'll drop down to 802.11b speeds for all connections when one 802.11b client is allowed to connect...

      I too am interested in what 3 technologies a university would switch to. I suppose there is Boingo but other than that, 802.11 is the only thing that would make sense today. UWB tomorrow maybe but who knows?

      LoB

      --
      "Anyone who stands out in the middle of a road looks like roadkill to me." --Linus
    4. Re:standardize by default+luser · · Score: 2, Informative

      I can see them starting with 802.11b and then going to 802.11g, only to realize that it'll drop down to 802.11b speeds for all connections when one 802.11b client is allowed to connect...

      802.11 doesn't work that way.

      Every time an 802.11 device sends a packet, it includes a preamble sent at 1 Mbit. The preamble indicates the speed the rest of the packet will be sent at. Thus, the network can support each client sending at different data rates.

      A single 802.11b connection will not significantly reduce the speed available to other 802.11g users (it just takes a little more airtime for the 802.11b user to send data, and thus reduces the maximum possible speed slightly). However, each 802.11b user you add to an 802.11g access point means each transmission to and from them takes longer...and that means more chance of collision than with the same number of 802.11g clients. So yes, a well-mixed crowd of 802.11b and 802.11g clients will run at near 802.11b speeds.

      The simple solution? Don't let access points get saturated in the first place.

      I too am interested in what 3 technologies a university would switch to. I suppose there is Boingo but other than that, 802.11 is the only thing that would make sense today. UWB tomorrow maybe but who knows?

      You're forgetting that, before 802.11b, there was 802.11 (1 or 2Mbit data rates). There is also 802.11a, as well as other proprietary standards.

      --

      Man is the animal that laughs.
      And occasionally whores for Karma.

    5. Re:standardize by SolusSD · · Score: 1

      started with 802.11a. moved to b. upgraded all the access points to g just recently.

    6. Re:standardize by lakerdonald · · Score: 0

      As it's been said several times now, this slew of new "standards" is just the industry trying to find: 1. Where/when the bubble bursts 2. Where it is infeasible to add a new "standard" because of either the fact it would no longer be a fiscally sound decision or that it whatever new technological 'breakthrough' is an only trivial improvement over the last technology at best. (My favorite "standard" is the so called Super-G, which is essentially uncertified 802.11n that doesn't get anywhere near 108mbps!)

    7. Re:standardize by Locutus · · Score: 1

      thanks for expaining all that. I've read so many times that 802.11g downgraded the whole bus with a single 802.11b client that I figured that's what happened. It doesn't sound so bad they way you've explained it, but it does sound like you want to keep the 802.11b client count low.

      As far as 802.11a goes, I figured that was passed over since 'g' was announced relatively quickly after 'a' and 'a' wasn't compatible with 'b'. It would have been foolish to implement 'a' after 'b' at a university IMO. But doesn't mean it didn't happen. :-)

      LoB

      --
      "Anyone who stands out in the middle of a road looks like roadkill to me." --Linus
  3. Compete w/ WiMax? by dsginter · · Score: 1, Insightful

    Just how does one compete with an open standard? Or am I missing something?

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    More
    1. Re:Compete w/ WiMax? by hungrygrue · · Score: 4, Insightful

      With a better open standard. Imap versus Pop3, for instance.

    2. Re:Compete w/ WiMax? by Nos. · · Score: 1

      Unfortunately, that's not the only reason a standard wins (think Betamax vs. VHS).

    3. Re:Compete w/ WiMax? by Elwood+P+Dowd · · Score: 1

      Sometimes it is. Betamax wasn't an open standard. Bad example.

      --

      There are no trails. There are no trees out here.
    4. Re:Compete w/ WiMax? by Nos. · · Score: 1

      I was referring more to "better" standard as opposed to "open".

    5. Re:Compete w/ WiMax? by Anonymous Coward · · Score: 0

      The whole notion that Betamax was "better" than VHS is nonsense anyway. The people who use it as the archetype of superior technology thwarted by marketing meanies are just showing their ignorance.

    6. Re:Compete w/ WiMax? by Elwood+P+Dowd · · Score: 1

      I know, but the guy you responded to wasn't. And I was referring to both together: VHS was the better open standard. The whole technical superiority thing is a myth anyway. There were tradeoffs. Betamax might have been higher quality or less susceptible to degradation, but it took two tapes to play most feature length movies.

      If you're talking about whether better open standards float to the top, Betamax is not a good counterexample.

      --

      There are no trails. There are no trees out here.
    7. Re:Compete w/ WiMax? by Conspiracy_Of_Doves · · Score: 1

      Betamax was definately better, but besides the people behind Betamax having the marketing skills of a kumquat, the fact is that no one would have been able to see the difference in quality on the TVs that existed at the time.

    8. Re:Compete w/ WiMax? by squiggleslash · · Score: 5, Interesting
      I'm afraid the pronounciation of "Beta" is "Bee, Tar", not "Better". ;-)

      Honestly, BetaMax was not, in practice, a better standard than VHS. It may have had perceptable quality improvements (though the jury is out on this), but that was more than made up for by VHS's early ability to record an entire two hour movie on a single cassette.

      Sony essentially put out a format that was impractical. VHS beat it initially and immediately took off as a video recording technology that did what people wanted it to do. Once Sony fixed the problems, it was too late, and VHS was still wiping the floor with it.

      VHS was objectively better, even if in some, largely unimportant area, BetaMax may have had a small technical advantage. The technical advantages of VHS were more important than those of BetaMax.

      A good comparison might be with, given this is Troll Tuesday and Slashdot, cars (because cars are the standard Slashdot analogy area, and because on TT I can joke about that.) Electric cars are less poluting, more efficient, and theoretically more responsive than their gas guzzling cousins (assuming we're not talking about milk floats.) But given their short range, the gas powered car is, right now, the superior vehicle.

      --
      You are not alone. This is not normal. None of this is normal.
    9. Re:Compete w/ WiMax? by Anonymous Coward · · Score: 0

      I know, but the guy you responded to wasn't. And I was referring to both together: VHS was the better open standard. The whole technical superiority thing is a myth anyway. There were tradeoffs. Betamax might have been higher quality or less susceptible to degradation, but it took two tapes to play most feature length movies.

      Finally. I've always wondered if all the people today pointing to betamax as a better standard/technology were actually there using it. It wasn't better when it couldn't fit whole movies. It wasn't better when it had far less recording time when you where away.

      And that is not getting into the argument that there were by far more content available on vhs than on betamax (in addition to porn, the other popular myth)

    10. Re:Compete w/ WiMax? by Orrin+Bloquy · · Score: 2, Insightful

      Production studios continued using Beta for quite a while, even startups after the "war" ended. There was a measurable technical superiority here. Your post conveniently ignores the fact that Sony wanted a lot of money to license Betamax as a format from vendors, and JVC remembered how ineffective this was for their parent corporation fifty years before with FM radio patents. Sony has a history of losing battles not because their technology is inferior, but because they only value outsiders by what kind of revenue stream they might represent. They're the last bastion of Japanese xenophobic imperialism, and it shows.

      --
      "Made up/misattributed quote that makes me look smart. I am on /. and I must look smart."
    11. Re:Compete w/ WiMax? by Midnight+Thunder · · Score: 1

      If you want to know more about Betamax: Betamax PALsite. I should also note that this should not be confused with the Betacam format.

      --
      Jumpstart the tartan drive.
    12. Re:Compete w/ WiMax? by glockenspieler · · Score: 1

      It may have had perceptable quality improvements (though the jury is out on this) ...

      Jesus, call it a hung jury already!

      its like the longest friggin' trial in history...

    13. Re:Compete w/ WiMax? by Locutus · · Score: 1

      I don't remember if VHS was that much cheaper than BetaMax but I do remember that one TV movie could be recorded without you having to be there to change tapes. In those days, how many were RECORDING something they had to be there to change tapes anyways? Not many. THAT was the one and only thing that gave VHS the marketshare lead IMO.

      The rest of the story goes alot like how Microsoft Windows still exists. It's because most consumers are not that smart about quality. BetaMAX was better looking but VHS was good enough and already established its marketing channels. BetaMAX would have had to come in way under price and with a marketing plan to designed to sell the quality, or atleast to spread some FUD about VHS quality. They didn't and it only caught on where quality mattered. In video and TV studios mostly. It's still used today.

      LoB

      --
      "Anyone who stands out in the middle of a road looks like roadkill to me." --Linus
    14. Re:Compete w/ WiMax? by Anonymous Coward · · Score: 0

      oh, so beta has lost?

      then how in a quality broadcast and/or production studio, will you more often than not find a betamax VTR, and the letters VHS are more often to refer to some rare and unheard of sexually transmitted device....beta is better for quality, the jury has been out for a long time, people will simply not accept the news

    15. Re:Compete w/ WiMax? by Anonymous Coward · · Score: 0

      DIFFERENT FREAKING STANDARDS!

      The Beta that is used in professional studios was NOT the betamax that you could get at home.

      Duche

    16. Re:Compete w/ WiMax? by Anonymous Coward · · Score: 0

      The Beta that is used in professional studios was NOT the betamax that you could get at home.

      true, and what use is slightly better pic quality when on first gen Betamax you had to change tape mid movie (if you where there at all, eg. recording) - this is not a better product/technology, that is a myth. VHS killed Betamax because it was a far superior product for it's use (yes I'm old and I was there).

  4. Yes it does by Arthur+B. · · Score: 3, Funny

    Darwinian selection will enventually work its magic through the different standards. P.S Don't answer me betamax, betamax didn't survive because the tape length wasn't suited for pr0n, so it's natural VHS took over.

    --
    \u262D = \u5350
    1. Re:Yes it does by Anonymous Coward · · Score: 0

      It wasn't the length of the tapes that killed pr0n on betamax, it was betamax requiring Sony(?) to sign off on all content produced for betamax.

    2. Re:Yes it does by h4rr4r · · Score: 1

      actually it was because Sony did not want porn on beta. Beta is plenty long enough for twenty minute fappage, or even full length feature. Also it is still used by film majors for its higher quality. But netcraft probably says its dead.

    3. Re:Yes it does by Conspiracy_Of_Doves · · Score: 1

      Darwinian selection only works if you have a level playing field. Remember that there is going to be much greasing of palms to influence what technologies get adopted.

    4. Re:Yes it does by squiggleslash · · Score: 2, Insightful
      Given Sony sold blank tapes in retail outlets, I think it's safe to say the "BetaMax died because of Sony hated pornographers" claim is a ludicrous urban legend that ought to be obvious to anyone who's spent more than a few seconds thinking about it.

      BetaMax died because of its short tape lengths. You want a device to record movies off the TV. One has 30 minute and one hour tapes available. The other two hour tapes. Which unit would you buy, especially in an environment in which most of the content you'll be owning will be self-recorded, not purchased?

      --
      You are not alone. This is not normal. None of this is normal.
    5. Re:Yes it does by not-enough-info · · Score: 1
      betamax didn't survive because the tape length wasn't suited for pr0n
      I do believe it was a tape girth issue.
      --
      ---k--
      </stupid>
    6. Re:Yes it does by Anonymous Coward · · Score: 0

      I call shenanigans! I've never had porn on for more than five or so minutes at a time!

    7. Re:Yes it does by STrinity · · Score: 1

      BetaMax died because of its short tape lengths. You want a device to record movies off the TV. One has 30 minute and one hour tapes available.
       
      Horsehockey. Back in the day, I had plenty of feature length movies on Beta, both store bought and recorded off TV. What Beta didn't have was the ability to change tape speed at the cost of quality (the LP/SP/SLP option on VHS machines).
       
      But that's not what killed Beta. What killed Beta was that it was a proprietary format and Sony didn't want to lisence it -- any studio that wanted to mass produce tapes had to go through Sony. VHS didn't have any such limitation, so it was the one that studios decided to back.

      --
      Les Miserables Volume 1 now up with my reading of
    8. Re:Yes it does by squiggleslash · · Score: 1
      I'm sure you did. However, by the time Sony came out with decent length tapes, the fight was over. VHS had already won, despite its lack of a first mover advantage. And SP/LP/SLP came much later, they weren't built into early generations of VHS.

      As far as the latter paragraph goes, that's complete nonsense. Studios had access to tapes of both formats, and generally recorded them the same way, at roughly the same cost. Sony's "licensing" really had no affect whatsoever on availability or flexibility, except for the lack of directly competitive environment to push down prices, which ultimately was rendered irrelevent by the fact BetaMax was competing with VHS anyway.

      VHS beat BetaMax because it was practical for the types of recording most people wanted to do at a time when BetaMax wasn't. Yes, BetaMax caught up. But not when it mattered.

      --
      You are not alone. This is not normal. None of this is normal.
    9. Re:Yes it does by Anonymous Coward · · Score: 0

      Sony's "licensing" really had no affect whatsoever

      "effect".

  5. Frequency goes up... by Rosco+P.+Coltrane · · Score: 4, Funny

    Narrow the beam more and more, up the frequency more and more, and eventually you get a laser modem :-)

    --
    "A door is what a dog is perpetually on the wrong side of" - Ogden Nash
    1. Re:Frequency goes up... by Anonymous Coward · · Score: 0

      post a stupid comment to /. again and again, make some stupid joke again and again, and eventually you get a slashbot.

      people are sheep, I am the shepard.

    2. Re:Frequency goes up... by bill_mcgonigle · · Score: 1

      Narrow the beam more and more, up the frequency more and more, and eventually you get a laser modem :-)

      Exactly - here's an 850 TeraHertz wireless product (if I did my powers of 10 right...)

      Maybe if they marketed it like that they'd get more "oooh, big number" customers. Oh, right, that market segment doesn't understand "tera" yet. Maybe in 2 years when computers start coming with 1TB disk.

      --
      My God, it's Full of Source!
      OUTSIDE_IP=$(dig +short my.ip @outsideip.net)
    3. Re:Frequency goes up... by drewzhrodague · · Score: 1

      You're right! Free SPace Optics will become popular as soon as aiming mechanisms are dirt-cheap. Right now, you have to have engineers aim them, and the types of inexpensive equipment for this wouldn't even stay straight.

      --
      Zhrodague.net - I do projects and stuff too.
    4. Re:Frequency goes up... by timeOday · · Score: 1

      Optical networking will be nice here in the Southwest where we never have any weather. Anywhere else, I think not.

    5. Re:Frequency goes up... by bilbo47 · · Score: 1

      We could mount the transceivers on sharks to broadcast across the oceans.. and then we'd have.. (wait for it).. sharks with frickin' laser beams on their heads!

    6. Re:Frequency goes up... by Council · · Score: 1

      I am the guy in the Apache above your field.

      Hi.

      --
      xkcd.com - a webcomic of mathematics, love, and language.
    7. Re:Frequency goes up... by lucifer_666 · · Score: 1
      Or even a slap-dot?

      Like a red mark? From getting slapped?...

      No?

      Sorry :)

    8. Re:Frequency goes up... by NardofDoom · · Score: 1

      I'm envisioning an ultra-wideband optical link. Unfortunately, we'll all have to wear huge blinking lights on our head.

      --
      You have two hands and one brain, so always code twice as much as you think!
  6. Simple answer by BlackCobra43 · · Score: 4, Funny

    42.

    --
    I never spellcheck and I freely admit it. Save your karma for more worthwhile "lol erorrs" replies
    1. Re:Simple answer by Dr.+Zowie · · Score: 1

      I never spellcheck and freely admit it. Save your karma for more worthwhile "lol erorrs" replies.


      Wye knot? Eye dew. Butt four sirious - dough ay spill checquer cant ripless gooed riting, gooed spilling his quay two gitting yore massage too duh raider. Bat spilling jest machs ewe luck stupid.
  7. When the future is still so unclear? by Anonymous Coward · · Score: 4, Insightful

    How the fuck do you think the future becomes clear? Let the competing standards thrash it out and the result will lead us towards are wireless future. The early adopters take the risk that the choices they make may be incorrect, but thats how we get to where we want to be.

    1. Re:When the future is still so unclear? by peculiarmethod · · Score: 2, Funny

      How the fuck do you think the future becomes clear?

      Bigger antennae.

      --
      ** "It's not my job to stand between the people talking to me, and the ones listening to me." -- Pego the Jerk
  8. Sure, Why not. by hungrygrue · · Score: 5, Funny

    With enough signals bouncing around we won't have to buy microwaves anymore.

    1. Re:Sure, Why not. by aicrules · · Score: 3, Funny

      Pizza Hut could implement a 10 minute delivery policy! They'd just put the raw pizza on top of the car on the way to your house.

  9. Who will win? by entrex · · Score: 0, Offtopic

    I have my money on WiMAX. because thats a damn cool name.

    --
    To a nail, every person with a hammer looks like a problem.
    1. Re:Who will win? by warriorpostman · · Score: 1

      I agree. It's common knowledge that if you add a capital X to any part of your technology's name, it's obviously better than comparable non-X-titled technologies.

    2. Re:Who will win? by Iriel · · Score: 1

      While I'm not entirely hip to all the possible wireless standards we're dealing with now (and will be next week), you bring up an interesting point.

      If there are going to be too many wireless possiblities set before us, I think this could (keyword: could, so don't flame me for this) boil down to an issue of speed. Not a technical data transfer type of speed, but the rapidness of one technology's adoption into the open wilds. A good number of less viable tech could fall by the wayside early on, but I think that we may end up having to go with who happens to get all the providers to join their side. If one wireless standard can be marketed to the correct people and deployed quickly enough, the competitors would be fighting an uphill struggle because 'so many people are already using Wi-$foo'.

      Think Starcraft for business and technology. It's just a thought.

      --
      Perfecting Discordia
      www.stevenvansickle.com
    3. Re:Who will win? by Anonymous Coward · · Score: 0

      SHIFT-X doesn't work on my keyboard, you insensitive clod!

    4. Re:Who will win? by Locutus · · Score: 1

      I think another important factor today is power consumption and the ability to support handheld devices. 8 years ago, it was all about the PC and laptops, today, printers, dig-cameras, webcams, gamecontollers, PDAs, headsets, etc all are going wireless.

      There will be not one wireless thing to end all wireless things. Unless it scales and scales well.

      LoB

      --
      "Anyone who stands out in the middle of a road looks like roadkill to me." --Linus
    5. Re:Who will win? by Anonymous Coward · · Score: 0

      I see your Wi-fu is very strong.

    6. Re:Who will win? by damsa · · Score: 1
      Yes that is Apple's plan of world domination. I can see it now

      Introducing Mac Os X.5 lynX w. Airport eXtreme wimaX.

  10. Survival of the fittest by phpm0nkey · · Score: 3, Insightful

    What's the harm in competition here? The wireless spectrum is finite; it's in our interest to kick around technologies until we can agree on one that's the cleanest, most efficient use of the space available.

    A good first step would be to shut off analog TV and radio. That bandwidth is too valuable for us to just sit on.

    1. Re:Survival of the fittest by dougmc · · Score: 1
      The wireless spectrum is finite
      No, it's not. You can keep going higher and higher in frequencies, but as you get above a few GHz problems start happening -- the attenuation due to air and things like rain increases, you get signals that can't even go through trees or walls, and the cost of the components to deal with these ultra high frequencies goes up -- and eventually you don't have radio at all, but instead infrared. (The edge of the IR range is often given at 300 GHz though of course there is no distinct line between radio and IR.)

      Yes, there's lots of spectrum out there if you're willing to go to high enough frequencies. But it's not infinite.

    2. Re:Survival of the fittest by Chosen+Reject · · Score: 1
      The wireless spectrum is finite

      But it's not infinite.

      Truer words have never been spoken.

      --
      Stop Global Warming!
      Just say no to irreversible processes!
    3. Re:Survival of the fittest by Binestar · · Score: 1

      The wireless spectrum is finite

      Yes, there's lots of spectrum out there if you're willing to go to high enough frequencies. But it's not infinite.

      I'm a little confused, where do you two disagree there?

      --
      Do you Gentoo!?
    4. Re:Survival of the fittest by dougmc · · Score: 1
      Truer words have never been spoken.
      Here's some more true words :

      I'm a dumbass. I read finite as infinite and posted accordingly ...
      Actually, one certainly could argue that the EM spectrum is infinite -- because it is. The only problem is that we rely on certain properties of radio waves, and some of them fall apart as the frequencies get higher and higher. But we certainly could encode data into IR, light, UV, etc. -- and certainly do -- but it's not radio anymore.

      (But it works well for fiber optics, and it works well for IR remote controls, and it could work well for very narrow band transmissions using lasers ...)

    5. Re:Survival of the fittest by eluusive · · Score: 1

      As another poster ineptly stated, wireless spectrum is not finite. There is a specific subset of all wireless spectrum which is useable for communications. However, within that subset there is still an infinite number of frequencies. The more that become usable depend on technologies' ability to differentiate between two frequencies and produce specific frequencies during transmission.

      Currently, all wireless communications systems, that I am aware of, produce a lot of interference. Thus, more sensitive receiving equipment is useless. However, There was an article on slashdot a few years ago about researchers having discovered a way to get magnetrons to produce very specific frequencies. This is in contract to what they currently produce, which is a normal distribution centered around the frequency desired. If this technology becomes commercialized, the amount of frequency that will be useable will become several orders of magnitude larger.

      For example, 802.11 has 11 frequencies available to it in the 2.4ghz range. If you put multiple devices on immediately adjacent frequencies(IE: 6 and 7), you end up with alot of interference and start losing packets. With better technology not only would all 11 of them be usable, but you could have frequencies for use in between what is labeled 6 and 7. Currently, the in between frequencies wouldn't even work at all due to interference.

    6. Re:Survival of the fittest by westlake · · Score: 1
      >i>A good first step would be to shut off analog TV and radio. That bandwidth is too valuable for us to just sit on

      That is not going to happen while hundreds of millions of people, billions world-wide, still depend on radio for entertainment, news, education and emergency services. Bringing radio to rural Africa

    7. Re:Survival of the fittest by swg101 · · Score: 1

      Not just interferance, but bandwidth. Just because your controlling frequency generator does not fluctuate much does not mean that the signal bandwidth does not apply.

      --
      Like pi? Try 10,000 digits.
    8. Re:Survival of the fittest by Breakfast+Pants · · Score: 1

      It isn't infinite if time is a discrete series of steps. Planck lengths and all.

      --

      --

      WHO ATE MY BREAKFAST PANTS?
    9. Re:Survival of the fittest by eluusive · · Score: 1

      Bandwidth in what sense of the word?

      I was talking about usable frequency in digital rf communications. Usable frequency is limited by the how much transmitters bleed into surrounding unintended frequencies. As this can be minimized, the amount of usable frequency will increase.

  11. wireless stuff by Device666 · · Score: 1

    How about security first? Now even aliens can hack the pentagon. ;-p

  12. The future becomes as clear as it will ever be by kfg · · Score: 4, Insightful

    when it becomes the past.

    We create it in the present.

    KFG

    1. Re:The future becomes as clear as it will ever be by kin_korn_karn · · Score: 4, Funny

      Can I buy some pot from you?

    2. Re:The future becomes as clear as it will ever be by clem · · Score: 1

      Dude, you're on Slashdot. Orkut is over there. Don't forget your Portuguese-English dictionary, though.

      --
      Your courageous and selfless spelling corrections have made me a better person.
    3. Re:The future becomes as clear as it will ever be by RamboIII · · Score: 1
      You'll have to get the pot from the guys that modded him up so high.
      I think their way goes something like this...

      "When you are high now, you get the pot in the ....future?"

      Go home and get high, then they'll send you some over the new "high" speed connection that has been established.

      --
      Chuckle, grunt, SNORT!

      --
      Time is comparison of movement to other movement.
    4. Re:The future becomes as clear as it will ever be by kfg · · Score: 2, Funny

      Can I buy some pot from you?

      I'm afraid my mom is the ceramicist in the family. I've only thrown enough to be able to say I've done it, but I can act as a middleman if you'd like.

      I can, however, rephrase my point in a manner that even a pothead might be able to comprehend:

      I can supply a definitive answer to the question, but it is deep and complicated and I must necessarily give the matter due deliberation.

      Set to peak in 10 years. . .dude.

      KFG

    5. Re:The future becomes as clear as it will ever be by mforbes · · Score: 1

      Set to peak in 10 years. . .dude.

      You have too much THC on board. It only feels like 10 years. It's actually five minutes.

      --

      Allegedly real newspaper headline from 1998:
      Man Struck by Lightning Faces Battery Charge

    6. Re:The future becomes as clear as it will ever be by cataclyst · · Score: 1

      No way, time seems to go by muuuch faster when you've been smoking.... wait... what were we talking about. Oh yea, toenails...

      --
      E = m * c^(Hammer)
  13. Isn't that the WHOLE POINT!?!?! by DeadMilkman · · Score: 2, Insightful

    Isn't the whole point of releasing it now that it CAN compete with other standards and maybe if its better enough (or more popular enough) it can still win?

    I beleive if they waited for the future to be clearer there could already BE a new standard and they would have lost.

  14. Twelve by mnemonic_ · · Score: 4, Funny

    We can handle only twelve wireless technologies.

    1. Re:Twelve by peculiarmethod · · Score: 1

      I hope that's in base 3.5 or something.. cause the answer is clearly 42. Duh.

      --
      ** "It's not my job to stand between the people talking to me, and the ones listening to me." -- Pego the Jerk
    2. Re:Twelve by Anonymous Coward · · Score: 0

      It's obviously base 40, as 12 in base 40 is 42 in base 10.

    3. Re:Twelve by Citizen+of+Earth · · Score: 3, Funny

      We can handle only twelve wireless technologies.

      No, we can handle 26 wireless technologies. More if we add Greek letters.

    4. Re:Twelve by mibus · · Score: 1

      No, we can handle 26 wireless technologies. More if we add Greek letters.

      Oh no, can you imagine it?

      "802.11-OMEGA, because it's the last wireless gear you'll ever need!"

  15. Not a Bad Thing by Evil+W1zard · · Score: 2, Insightful

    Well they have $15 million in funding to go out and do the R&D work on Gigabit rate wireless. The worst thing that can happen is that they fail miserably, but I'm all for them spending some money on developing a new product.

    --
    News Reporters Make Tasty Polar Bear Treats!
    1. Re:Not a Bad Thing by wgray8231 · · Score: 1

      And if they can get it to work well like 802.11abg, there will be a market. Until wireless networking is as fast and good as wired, we may as well keep spending the money.

  16. More is better by zappepcs · · Score: 1

    in this case anyway. The telecommunications world is quickly converging on all-IP based networks and services. Switched circuit and non-IP services will become irrelevant shortly. Legislation and taxation will see to this.

    Without more spectrum and technology for ubiquitous IP networks, we will be stuck with whatever gets thrown out to the consumer and at whatever cost the big names can squeeze from our wallets.

    More is better. More dual and tri-band devices, Wireless VoIP, streaming audio and video, until we have communicator badges and tri-corders everywhere.

    MORE IS BETTER!

    1. Re:more is better by IpalindromeI · · Score: 1

      Too bad ravens are wireless.

      --

      --
      Promoting critical thinking since 1994.
    2. Re:more is better by Wanderer2 · · Score: 1
      I am betting on wired to stay the winner due to POE.

      Due to Peace On Earth? Purity Of Essence? Parade Of Elephants?

      You might have Plain Old Economics in mind, but it took me five minutes to come up with that. Prevention Of Eavesdropping is another possibility...

      --
      I say we take-off and slashdot the site from orbit... it's the only way to be sure
    3. Re:more is better by WindBourne · · Score: 1

      POE => Power over Ethernet.

      All devices have to be powered. So, do you have to plug-in and then use wireless on what is basically a bus network, or simply plug in one line and have it run over a switched network.

      But prevent of of eavesdropping goes a long way.

      --
      I prefer the "u" in honour as it seems to be missing these days.
  17. We need products not vaporeware by Anonymous Coward · · Score: 0

    I welcome anyone who take the risk to sell a product with great new technology.

    The other are fighting to be the "standard" but where are the products??

  18. Go wireless! by Kenja · · Score: 1
    Wireless network technology, compromising your network at faster speeds every day.

    I kid you not, I cant turn on my notebook without it auto connecting to the law firm upstairs that seems to have a wide open coast to coast WAN. I can see networks in just about every major US city. Whats more it looks to me like this is just an access point some yahoo hooked up so he wouldn't need to plug in his notebook every day. Could be that their IT peopele dont even know about it.

    --

    "Have you ever thought about just turning off the TV, sitting down with your kids, and hitting them?"
    1. Re:Go wireless! by tgrimley · · Score: 1

      What kind of geek are you if you can't stop your laptop from connecting to a wireless network?

  19. QUICK! INVEST INVEST INVEST! by elucido · · Score: 0

    Pour your $ into wifi and internet telephony while you can. Own your overlords before its too late!

  20. 60Ghz!!! by DigiShaman · · Score: 4, Interesting

    The golden rule: THe higher your radio frequency, the harder it is to pass through solid objects.

    If you thought 2.4Ghz was a bitch through layers of sheetrock, just imagine 60Ghz. Hell, you might as well be using infrared to transmit as it's basically a line-of-sight transmission anyways. Unless of course, you boost the gain. But damn, the radiation levels would be pretty damn high.

    --
    Life is not for the lazy.
    1. Re:60Ghz!!! by SeekerDarksteel · · Score: 1

      Err...if I'm not mistaken, shouldn't that be the other way around? Xrays, which have much higher frequency than radio waves, pass easily through most solid objects, and gamma rays which are even higher pass even more easily.

      --
      The laws of probability forbid it!
    2. Re:60Ghz!!! by dougmc · · Score: 1
      Err...if I'm not mistaken, shouldn't that be the other way around?
      Good observation, but the key word in `the higher your radio frequency, the harder it is to pass through solid objects' is radio. Yes, radio waves are electromagnetic radiations just like gamma rays, but it's a rule of thumb, not a hard and fast rule that applies to all EM radiation of any frequency.

      And as a rule of thumb, for radio, it's true, as long as you're not talking about going through things that are good conductors of electricity. (Radio waves have a hard time passing through things are good conductors of electricity, so in general if the signal does get through it's because there was a hole, and the wavelength of the signal is smaller than that of the hole -- so in that case, smaller wavelengths get in better. For example, inside a jet airliner, your cell phone may work, but your AM radio probably won't.)

    3. Re:60Ghz!!! by shawn(at)fsu · · Score: 1

      I could be wrong as IANS (I am not smart) but the navy uses ULF and VLF to communicate with subs, because radio waves don't travel deep. Is this the same principle?

      --
      500 dollar reward for tip(s) leading to the arrest of the person(s) who stole my sig.
    4. Re:60Ghz!!! by Hoi+Polloi · · Score: 1

      Very long radio wavelengths are used because shorter ones are absoarbed by water.

      --
      It is by the juice of the coffee bean that thoughts acquire speed, the teeth acquire stains. The stains become a warning
    5. Re:60Ghz!!! by panza · · Score: 1

      This has more to do with "skin depth" (google it). Basically low frequency radiation reaches deeper into conductive materials like seawater than high frequency radiation. The skin depth is proportional to the 1/sqrt(frequency), I believe.

    6. Re:60Ghz!!! by oliverthered · · Score: 2, Insightful

      Theres a party a few streets away, their really going for it which is the loudest whilst you trying to go to sleep, the base or the treble?

      --
      thank God the internet isn't a human right.
    7. Re:60Ghz!!! by bfl · · Score: 1

      According to the article, 60 GHz systems are "limited by the propagation characteristics of electromagnetic radiation at that frequency. Like infra-red, 60GHz waves rely on line-of-sight propagation." The issue of "so many competing standards" isn't really an issue, each standard has its own purpose: UWB is designed for personal area networks (higher speed Bluetooth), WiMax for point to multipoint broadband internet, and 802.11x for LAN.

    8. Re:60Ghz!!! by imsabbel · · Score: 2, Informative

      You are basically right.

      At the very high frequency edge of the electromagnetic spectrum, photons start to get through matter more easily again.

      But the stress is on _very_ _high_.

      We are talking about GHz here. The worst penetration power is somewhere in the UV. Up to that it still declines, and further way to high energy it increases. (simply because how the photons interact with matter. With higher energy they start to directly excite molecule rotations, then vibrations or phonons in solid bodies...

      So you can say: go from optical down to lower frequency, and stuff gets better "around the corner" (non-line of sight) and gets better penetration, but getting higher also gives better penetration.

      But for wireless, you are still 4 orders of magnitudes to low in frequency to get there.

      --
      HI O WISE PRINCE. WHT TOOK U SO DAM LONG?
    9. Re:60Ghz!!! by Digital+Vomit · · Score: 1
      But damn, the radiation levels would be pretty damn high.

      Damn.

      --
      Modern copyright is theft of culture from everyone and it retards the progress of the useful arts and sciences.
    10. Re:60Ghz!!! by greed · · Score: 2, Informative
      That's due to losses in a conductive medium, known as the "skin depth effect". Longer waves have a deeper skin depth, so are carried deeper into a conductor. (Salt water is approximately a conductor.)

      In the opposite direction, very high frequencies use only the surface of a conductor. Consequently, microwaves aren't run on wires, but are actually sent down hollow "wave guides". If you need any sort of power, you'd need a massively thick wire, but the energy will just be on the outer surface. So we use a tube, the waves don't care.

      Tesla coils use this effect for rather dramatic results.

    11. Re:60Ghz!!! by rjforster · · Score: 1

      Not only that but IIRC 60GHz is an Oxygen absorption line. This means the atmospheric range is really low.

      I think there are American military satellites that communicate with each other at 60GHz precisely because the O2 absorption makes ground intercept that much harder.

    12. Re:60Ghz!!! by Beryllium+Sphere(tm) · · Score: 1

      >60GHz is an Oxygen absorption line

      you remember correctly, and this is an advantage. It allows (compels?) geographical reuse of spectrum. Your local communications are safe from interference from the office building a mile away.

    13. Re:60Ghz!!! by TheSync · · Score: 1

      Dude, gamma ray radios would rock!

    14. Re:60Ghz!!! by wiredlogic · · Score: 1

      If you thought 2.4Ghz was a bitch through layers of sheetrock

      Amen brother. I'm just glad I got a 900MHz digital spread spectrum phone before they disappeared from the market and were replaced by the crummy 2.4 GHz jobbies. In a few years the 900 MHz band is going to be nice and clear when all the yahoos "upgrade" their old equipment. Granted, I don't have a landline anymore but I have the perfect phone if I ever go back.

      --
      I am becoming gerund, destroyer of verbs.
    15. Re:60Ghz!!! by DigiShaman · · Score: 1

      It's interesting you should mention that. I always recommend 900mhz phones. The voice quality between 900mhz and 2.4 Ghz is vertually the same to the user. The reason why everyone went 2.4 was for two main reasons.

      1. Marketing. Larger numbers = better technology.
      2. It is not regulated by FCC and 900 was getting crowded for spread spectrum.

      The reality is, 2.4ghz is VERY crowded far more then 900Mhz ever was in the past. Also, 900Mhz provides better range in practice because no one uses the phone with a direct line-of-site to the base station. So when using 2.4 phones and going from room to room or outside, the quality sucks far more then with 900mhz. As such, 900Mhz is the right (even perfect) frequency for digital cordless phone use.

      --
      Life is not for the lazy.
    16. Re:60Ghz!!! by salec · · Score: 1
      In the opposite direction, very high frequencies use only the surface of a conductor.
      Well, then, what would be the frequency for "creeping" radiowaves? You know, ones that won't pass thru the wall, but will conveniently "splash" all over it and "leak" thru the openings, doors, windows and cracks instead.
      So we use a tube, the waves don't care.
      Why not spiraly rolled, wide, isolated conducting tape (like in foil capacitors, only with single plate)? IMHO that is largest surface in smallest volume.
  21. Movies... by CrashRoX · · Score: 3, Funny

    Many movies that take place in the future seem to still use hard lines. The matrix is a prime example. My question is why didnt they just use wireless (WiMAX or the like)? It would hurt less and they could jack in from up to 30 miles away! Granted using current wifi, agent smith could easily hack the poor encryption. But from what I hear WiMAX has good potential.

    1. Re:Movies... by Elwood+P+Dowd · · Score: 1

      Seriously, though. They used wireless. The implication was that you couldn't fit the high bandwidth transmitter inside your body, so you needed a fat cable coming out of your brain. The ship then moved to "broadcast depth" like a submarine so that they could use their giant antennae to plug into the matrix.

      Once inside the matrix, the implication was that there were special software characteristics of certain wired telephones. It had nothing to do with whether they used copper or 900 mHz, just that they were flagged and connected properly to some Matrix program.

      --

      There are no trails. There are no trees out here.
    2. Re:Movies... by a1cypher · · Score: 1

      Perhaps they didnt use wireless in the Matrix for the same reason that they dont on Battlestar Gallactica.

      If you thought that it was bad here and now with people leaching bandwidth via a can-tenna, imagine how efficient a sentient machine race could hack that.

      Especially if your transmitting something essential, like, I dont know, your own consciousness over the signal. Seems to me that all the machines would have to do to KILL you would be to fire up a microwave.

    3. Re:Movies... by powerlord · · Score: 0, Offtopic

      Liked your comment but don't get me started on Battlestar Gallactica and their concept of a network.

      If you caught the episode a few weeks back where they needed some serious computing power to speed up a calculation and networked several key computers together *USING CABLES* and were supposedly fighting off a hacking attempt by the Cylons, you'll see what I mean. If all the connections are hardwired, you can't hack into the system without a gateway. If Galactica had a gateway between a wireless system and one of those computers, then that computer would be compromised on a regular basis and would be useless/rebooting regularly. I assume all external communication is therefore "dumb" without a gateway interface, so, unless the Cylons planted one (in which case they wouldn't necessarily need to hack the system), they shouldn't be able to do squat to that network.

      Sorry. After 8 years working in Networking things like that got my goat a little.

      --
      This space for rent. All reasonable inquiries will be entertained at proprietors discretion.
    4. Re:Movies... by mforbes · · Score: 1

      IANANG (I Am Not A Network Guru), but I noticed something wrong about that episode too, and I -love- the show in general.

      How come as soon as the cables between the computers were disconnected, the viral attack was stopped in its tracks? I just have this image of a bunch of semi-intelligent software agents suddenly saying "oh no! we can't talk to the computer over there anymore! oh well, I guess we lost."

      Just the same, I allow the writers some literary license, and recognize that the point of their show is the drama of the situation, not the accuracy.

      The biggest problem with being a sci-fan fan is that sometimes the technical errors in a plot are so obvious that the willing suspension of disbelief simply vanishes.

      --

      Allegedly real newspaper headline from 1998:
      Man Struck by Lightning Faces Battery Charge

    5. Re:Movies... by a1cypher · · Score: 1

      Are you sure that they used cables and not wireless? Maybe they didnt even have provisions on the ship for connecting all the computers so wireless was the only way. I remember seeing cables plugged into a big console on the bridge, but maybe that was just connecting a bunch of wireless routers or something... I particularly liked the monitor they had on that episode of a series of firewalls turning red when they have been infiltrated.

    6. Re:Movies... by zippthorne · · Score: 1

      My problem with that was that they KNEW they were infiltrated. If they can figure out they've been infiltrated, couldn't they just remove the offending software?

      --
      Can you be Even More Awesome?!
    7. Re:Movies... by a1cypher · · Score: 1

      Not neccessarily... Ever tried cleaning a windows box with 20+ viruses all attacking your antivirus at the same time?

    8. Re:Movies... by bill_kress · · Score: 1

      Also, Windows has a known state. Imagine being given an IBM Mainframe with 20 viruses attacking it, each with unknown payloads and infection mechanisms, then disinfect it without taking the main operations of the computer offline.

      If your virus is smart enough, you don't have a chance except to reboot to a known good physical image--and even then If your backup media was attached to the computer before it was shut down, it could be infected too.

      Some of the assumptions they make in SCI-FI shows are really amazing and have turned me off most of 'em.

    9. Re:Movies... by Vancorps · · Score: 1
      I've said it before, and I'll say it again... Tripwire!

      Best thing since sliced bread, only wish it was priced like it too on platforms other than Linux.

      Course it begs the question, if you've been compromised and tripwire tells you can't you just restore and create a new baseline with the proper update? Seems like it would limit potential damage from malware although with an intrusion the damage would be done.
    10. Re:Movies... by Eil · · Score: 1


      The matrix is a prime example. My question is why didnt they just use wireless (WiMAX or the like)?

      I think they did. Don't you remember the most clever, inspirational, and brilliant line in the whole movie?

      "This is where we broadcast our pirate signal and hack into the Matrix."

    11. Re:Movies... by CrashRoX · · Score: 1

      I think they did. Don't you remember the most clever, inspirational, and brilliant line in the whole movie?

      "This is where we broadcast our pirate signal and hack into the Matrix."


      But they really only broadcasted from the ships. Thats like using a sat. dish in conjunction with your pda. Just doesnt seem practical. But the point I was getting at was it would be cool to go anywhere and "jack in". After a long night of boozing with Morphius and bad sex with Trinity, you can jack in for a quickie with the lady in the red dress.

  22. more is better by WindBourne · · Score: 0

    whoever is low price, stable, fast, and works with multiple vendors will win. Now with that said, I am betting on wired to stay the winner due to POE.

    --
    I prefer the "u" in honour as it seems to be missing these days.
  23. Matchbox philosophy: by IainMH · · Score: 3, Insightful


      Does the world really need another player when the future is still so unclear?

    Isn't that exactly when you need as many different minds working on a problem? The future will clarify itself.

  24. Dumb by Dun+Malg · · Score: 4, Insightful
    Does the world really need another player when the future is still so unclear?"

    What an idiotic statement (and it is a statement, disguised as question). The future is determined by the choices we make today. More choices allows us to pick the best of those available, thus resulting in the "best future".

    --
    If a job's not worth doing, it's not worth doing right.
    1. Re:Dumb by Vellmont · · Score: 1


      More choices allows us to pick the best of those available, thus resulting in the "best future".

      Nonsense. More choices can give us better choices, but they can also just lead to confusion and stagnation. Look at the competing Blu-Ray and HD-DVD standards. The most likely route is the two choices will only confuse consumers into sticking with DVD. No one likes adopting dead-end technology.

      The point is that when you need one standard that lasts for a long time more choices lead to no choice. Eventually one will likely beat out the others, (which could wind up being the old technically inferrior standard), but more choices doesn't always lead to a better outcome.

      --
      AccountKiller
    2. Re:Dumb by Dun+Malg · · Score: 1
      Nonsense. More choices can give us better choices, but they can also just lead to confusion and stagnation. Look at the competing Blu-Ray and HD-DVD standards. The most likely route is the two choices will only confuse consumers into sticking with DVD. No one likes adopting dead-end technology.

      Point taken, but I don't think wimax is in the same category. THe problem with Blu-Ray vs HD-DVD is that there are multiple dependent industries that can't afford to support two incompatible standards because it will cost them up to twice as much. In this case, when the service provider is likely going to be providing the receiving equipment, having more than one standard is less significant. DSL providers don't have to agonize over ATM vs Frame Relay because they only have to send you one DSL modem and then forget about it.

      --
      If a job's not worth doing, it's not worth doing right.
  25. Standards by Anonymous Coward · · Score: 0

    How many boring Slashdot posts can we handle in a world already overloaded with pointless Slashdot blog posts?

  26. Line of Sight? by BioCS.Nerd · · Score: 1
    I was wondering if someone in the know could explain how this is known:
    There's a reason for this. 60GHz is interesting, and genuinely can offer Gigabit speeds. However, it is limited by the propagation characteristics of electromagnetic radiation at that frequency.
    I.E. what about this frequency dictates this property?
    1. Re:Line of Sight? by Camel+Walk · · Score: 1

      The reason 60 GHz is a very questionable frequency to choose is do to the Oxygen (O2) absorption line present in the Earth's atmosphere. This means that an RF signal propagating through the atmosphere at a freq. of 60 GHz will be severly attenuated (up to 10,000 dB/km!). See http://www.rfcafe.com/references/electrical/atm_ab sorption.htm for a plot of loss vs. frequency. This puts a serious damper on long-range communications!

    2. Re:Line of Sight? by Anonymous Coward · · Score: 0

      Generally, the higher the frequency, the more bandwith. Most things in the RF worlds work as percentages. 20% of 2GHz is only 400MHz of bandwidth to work with. 20% of 60GHz is much, much more, which means much higher transmission rates. But you have to deal with loss, manufacturing tolerances, etc at higher freqs.

    3. Re:Line of Sight? by dougmc · · Score: 1
      I.E. what about this frequency dictates this property?
      Because the amount of data you can transmit depends on two factors -- 1) the signal to noise ratio and 2) the bandwidth available.

      Suppose you can use 60 to 61 GHz for this -- that gives you one full GHz of bandwidth. Compare this to an 802.11b channel that's only 30 MHz in size, and you can see that you can transmit over 30 times as much data in a given amount of time.

      The higher the frequency, the more bandwidth is generally available, as a rule of thumb.

      Also, if 60 GHz really is attenuated by oxygen so strongly, then the noise should be attenuated as well. This means that people could increase the transmitted power with little danger of interfering with users very far away, and therefore increase the S/N ratio and get even more data transferred. (Though in general, I'd say the absorbtion of the signal by oxygen is a bad thing, even though it might have a useful aspect or two.)

    4. Re:Line of Sight? by Ironsides · · Score: 1

      This means that an RF signal propagating through the atmosphere at a freq. of 60 GHz will be severly attenuated (up to 10,000 dB/km!)

      I think you miss read what the article you linked to says. It says "10.000 db/km" not "10,000 db/km" (it's a decimal point, not a comma). Very large difference there.

      --
      Fly me to the moon Let me sing among those stars Let me see what spring is like On jupiter and mars
    5. Re:Line of Sight? by Savantissimo · · Score: 1

      That's 10dB/km - decimal point, not comma. Good link, though.

      --
      "Is life so dear, or peace so sweet, as to be purchased at the price of chains and slavery?" - Patrick Henry
    6. Re:Line of Sight? by dougmc · · Score: 1
      then the noise should be attenuated as well.
      I thought about this some more, and realized that I'm basically wrong about this.

      If O2 specifically absorbs 60-64 GHz signals, then it also specifically emits 60-64 GHz signals, which would be ... noise.

      So in order to get good range with a 62 GHz signal, you'd need more power than you'd need with a lower (or higher, for that matter) frequency.

      Of course, with such a high frequency, you could make very directional antennas that are very small, so you may be able to overcome the path loss with small but high gain antennas. It works for things like DirectTV -- the 11 or so GHz signal is attenuated by the atmosphere, and the satellite is 24,000 miles up, but we can pick it up with a dish that's only a few feet across, compared to the old satellite dishes. It has to be very precisely aimed right at the satellite, but since the satellite doesn't move around much, that's not a problem.

    7. Re:Line of Sight? by Sir+Mix+A+Lot · · Score: 1

      Also, many times the noise floor in the receiver is determined by the quality of the analog components used, not by an external interferer. The noise would be attenuated, but by the time you get the signal into the receiver the minus 1000dBm signal would be lost to noise in the components.

      --

      % rm * .o
      rm: .o: No such file or directory
      % ls
      %
      damn
    8. Re:Line of Sight? by pclminion · · Score: 1
      To a gross approximation, electromagnetic waves can only interact with objects at least as large as their wavelength. The reason why this is so depends on a lot of mathematics, but can be demonstrated using other types of waves. Go to the beach and stick a pencil in the path of an incoming wave. Does it affect the wave? Not at all. Now stick something the size of a skyscraper in the path of the wave. The wave definitely reacts to that (specifically, it diffracts as it passes around the object).

      At 60 GHz, the wavelength in air is about 5 millimeters. So (again, to a gross approximation), objects, especially conductive objects, which are about 5 mm or larger in size will interact with the wave. In practice the objects can be even smaller, but it's a good rule of thumb to within an order of magnitude.

    9. Re:Line of Sight? by BioCS.Nerd · · Score: 1

      So, ideally we'd like something with a very large wavelength, but that provided the same bandwidth as something with a short wavelength?

    10. Re:Line of Sight? by thebigmacd · · Score: 1

      Frankly, yes :D

      Realistically I'd like to see a standard that jumps across magnitudes of frequency as access points get farther away. Speed will drop but range will increase. All the way down to 14.4 kb/s and a hundred KM :D

  27. Don't Forget WiFi Speed Spray by lou2ser · · Score: 1

    The item reads like a late night informercial. I don't know about you, but I bought 3 bottles.

    http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item =5791782530

    1. Re:Don't Forget WiFi Speed Spray by denis-The-menace · · Score: 1

      Wanna trade for swamp land in Florida?

      --
      Obama's legacy: (N)othing (S)ecure (A)nywhere and (T)error (S)imulation (A)dministration
    2. Re:Don't Forget WiFi Speed Spray by RingDev · · Score: 1

      I'd be careful with that stuff. He claims it's non-toxic, but the primary ingrediant has an LD50 of 4180 MG/KG.

      -Rick

      --
      "Most people in the U.S. wouldn't know they live in a tyrannical state if it walked up and grabbed their junk." - MyFirs
    3. Re:Don't Forget WiFi Speed Spray by springbox · · Score: 1
      As your computer sends data, each bit also carries hundreds of invisible WiFi Speed Spray(TM) "scrubbing" molecules. It works at the speed of light. and even penetrates lead walls (not even Superman can do that!).

      So what, it accelerates the radio waves to move faster than the speed of light? I think you might have bought a bottle filled with Windex. Most of the cost probably came from that custom label.

    4. Re:Don't Forget WiFi Speed Spray by Anonymous Coward · · Score: 0

      Pfft, Windex?

      *Disclaimers

      WiFi Speed Spray(TM) is 100% safe, 100% NATURAL NON-TOXIC substance. and is effective when used as directed. Do not use near electrical appliances, as any liquid can cause problems in excess. Wi-Fi Speed Spray is the ultimate gift for the geek who has EVERYTHING. Contains 99% water, 1% secret ingredient. Bottle and label design subject to change due to availability. Batteries not in cluded, (none required).

      Obviously the cost is from the super secret ingredient..

    5. Re:Don't Forget WiFi Speed Spray by Anonymous Coward · · Score: 0

      the primary ingrediant has an LD50 of 4180 MG/KG.

      You mean water? Wow, I'd better stop drinking that stuff, it's dangerous!

  28. 802.16 is the only MAN standard worth pursuing by Anonymous Coward · · Score: 0

    What the hell? 802.16 and 802.20 are the way forward. Get with the program.

  29. mnb Re:Compete w/ WiMax? by Anonymous Coward · · Score: 0

    Serious question:
    How is POP3 better than IMAP?

    1. Re:mnb Re:Compete w/ WiMax? by hungrygrue · · Score: 1

      It isn't. Imap is a great protocol, and an example of a better standard competing with an existing standard. That was what I meant.

    2. Re:mnb Re:Compete w/ WiMax? by manthrax3 · · Score: 1

      It's hard to compare IMAP and POP directly-- they have different purposes. If one was just BETTER than the other, everyone would use IMAP. GMail doesn't use IMAP becuase POP is better... for them (who wants to maintain millions of states on a free e-mail service?).

      Not a great example.

  30. Of course we need another player by chia_monkey · · Score: 1

    "Does the world really need another player when the future is still so unclear?"

    Of course we do! Did we only need one car manufacturer when the automobile was introduced? Or maybe we should have just stuck with one operating system (hmmm...Microsoft perhaps) with no competition. I mean, c'mon...the future of computing was pretty unclear. Did we need new storage devices for computers (Bernouli drives, Syquest, Zip, Jazz, CDs, tape, DVD...) The future seems pretty unclear there too.

    The point is, to sit there and NOT innovate is just plain dumb. If there are already players in the market, that means there is obviously a need. Let's find the best way to fill that need. Eventually the strong will survive and we'll have the best (in theory at least).

    --

    "He uses statistics as a drunken man uses lampposts...for support rather than illumination." - Andrew Lang
    1. Re:Of course we need another player by tomstdenis · · Score: 1

      Hahaha, that's cute. You think companies that have differing standards are "innovating".

      You must work for Microsoft...

      Unfortunately if they could [and they do] they'd change just enough to lock out competitors. It isn't about being better anymore. You think if Intel had standing they'd need exclusive deals? They'd be able to still sell volume to Dell and not lock them in if their product was worth a damn.

      Same for many others [Atrac3 anyone?].

      Business is not about being fair and open market'ish. It's about making lots of money doing $ANYTHING.

      Tom

      --
      Someday, I'll have a real sig.
    2. Re:Of course we need another player by cornface · · Score: 1, Funny

      Hahaha, that's cute.

      Condescending intro.

      You think companies that have differing standards are "innovating".

      Pointless use of quotation marks in an attempt to sound "smart." Stating the obvious.

      You must work for Microsoft...

      Lame ad hominem.

      Unfortunately if they could [and they do] they'd change just enough to lock out competitors.

      Paranoid reference to undefined "they," who are obviously up to no good. Pointless use of brackets.

      It isn't about being better anymore.

      Attempt at definitive statement with no supporting arguments.

      Same for many others [Atrac3 anyone?].

      More pointless brackets. Appeal to nameless and unresponsive others. Who are you talking to?

      Business is not about being fair and open market'ish. It's about making lots of money doing $ANYTHING.

      Another blanket and unsubstantiated statement. Lame programming reference thrown in for nerd support that will never come.

      You pass all the tests! You're not just an idiot, you're a [CERTIFIED] idiot. [Idiot $certifications, anyone?]

      Feel free to sign your posts with tomstdenis, SDCI.

    3. Re:Of course we need another player by tomstdenis · · Score: 1

      You're new here. If we had to go through our entire line of thinking each time we shot down a stupid idea that some poster is coming up with the slashdot DB would be a million times larger.

      Suffice it to say there are WAY MORE businesses that are lame ducks then good ones.

      If you need me to show you evidence of self-serving products then you need to open your fucking eyes.

      Tom

      --
      Someday, I'll have a real sig.
    4. Re:Of course we need another player by Anonymous Coward · · Score: 0

      I seldom flame, but you are an idiot.

      You think companies that have differing standards are "innovating".
      Yes, people who come up with better ways of doing things than the current standards are innovating. To be better they must be different, anthough different is not always better.

      You must work for Microsoft..
      The GP made the point that MS was the defacto standard, yet clearly people needed a better OS that was not the MS standard.

      The rest of your post is incoherent babbling with no connection to the insightful GP post. Your following post is equally content-free.

      You are no good at thinking; please stop wasting everyone's time with your churlish attempts to express your mental belches.

    5. Re:Of course we need another player by cornface · · Score: 0

      You're new here.

      haha. You are indeed correct. This ID is new. Obviously, it's my only one. The technological obstructions set up by the master coders at slashdot have rendered it impossible to create multiple accounts. This much is true! I have been speared by the throbbing bulb a-top your bobbling staff of wisdom!

      I'm sorry for being so stupid and new. I bow before your superior knowledge and ancient slashdot wisdom. If I give you a quarter will you fondle my buttcheeks, hands covered in the dust of slashdot past? I think we'd both like that.

      Suffice it to say there are WAY MORE businesses that are lame ducks then good ones.

      What does that have to do with anything? I guess if your original ["points"] suck, it's easier to just toss them aside and create new ones. You truly are the master, good sir.

      If you need me to show you evidence of self-serving products then you need to open your fucking eyes.

      I'd be happy if you just got over yourself. Alternatively, you could MAYBE just be LESS [annoying].

    6. Re:Of course we need another player by Tschepsit · · Score: 1

      Did we only need one car manufacturer when the automobile was introduced? No, but this is more like diesel vs. otto cycle than Ford vs. Chevy or whatever. Most of the same manufacturers will be involved regardless of which wireless standard comes out on top. Even if some proprietary version seems to be the most promising one, it won't get widely implemented if there's only one vendor.

    7. Re:Of course we need another player by tomstdenis · · Score: 1

      .... flame posted as AC...

      Wow imagine that.

      Tom

      --
      Someday, I'll have a real sig.
    8. Re:Of course we need another player by tomstdenis · · Score: 1

      I'd be happy if you just got over yourself. Alternatively, you could MAYBE just be LESS [annoying].

      You're really new here [to life] then. No matter what, and I mean anything, you do, good or bad, proper intentions or not, no matter what you do, someone will find a fault with it.

      You could donate 1000s of hours of work and still someone would troll you, emailing hate mail and posting nonsense shit in [for instance] usenet. All because you accomplished something with your life and they haven't.

      Maybe I could do something to make YOU SPECIFICALLY like me more but that wouldn't make everyone like me and in the grand scheme of things it's a trade off.

      Why do I talk smack about the business? Because I know how ridiculously easy it is to make something open and interoperable. Seeing all these half-ass corporate attempts at engineering just makes me laugh...

      I mean really, if they spent less time commercializing things and more time making the demand for it justifyable you'd end up with products that work and you can rely on.

      Tom

      --
      Someday, I'll have a real sig.
    9. Re:Of course we need another player by cornface · · Score: 0

      You're really new here [to life] then. No matter what, and I mean anything, you do, good or bad, proper intentions or not, no matter what you do, someone will find a fault with it.

      You mean like how you ripped on the original poster without provocation?

      You could donate 1000s of hours of work and still someone would troll you, emailing hate mail and posting nonsense shit in [for instance] usenet. All because you accomplished something with your life and they haven't.

      In light of your mean spirited snotty comments to the original poster, is this actually a cry for help?

      Maybe I could do something to make YOU SPECIFICALLY like me more but that wouldn't make everyone like me and in the grand scheme of things it's a trade off.

      I don't like you, Tom. I love you. I'm here to help.

      Why do I talk smack about the business?

      Because you think it makes you look smart and cool?

      I mean really, if they spent less time commercializing things and more time making the demand for it justifyable

      There's that "they" again. A sign of paranoia or inability to argue without resorting to strawmen and over generalizations.

  31. Oblig. Simpsons by spuke4000 · · Score: 2, Funny

    Grandma Simpson & Lisa are singing "How many roads must a man walk down?" together.
    Homer overhears and says, "Eight!".
    Lisa: "That was a rhetorical question!"
    Homer: "Oh. Then, Seven!"
    Lisa: "Do you even know what 'rhetorical' means?"
    Homer: "Do I know what 'rhetorical' means?"

    --
    This post cannot be rebroadcast without the express written constent of Major League Baseball.
  32. None? by tomstdenis · · Score: 2, Interesting

    When companies can't even make cards for 802.11 that support open kernels [bsd, linux] because "it's too hard" or whatever, ..., what hope have we for new standards?

    I mean as it stands most retail wi-fi cards don't work in linux [except for prism54 intersil style which are hit and miss].

    The problem isn't the underlying standard [though I'd say it's overtly complicated for such a simple idea] it's the idiots running the decisions.

    I mean if a handful of ***amateur radio*** folk can make a 56K link work OVER KILOMETERS of space... why can't "the best and brightest" make a 11Mbps network work in a 100ft area with OSes that are well available and documented?

    And it isn't even that you have to write drivers. Make a good card and open the interface up and people will write the drivers FOR YOU.

    Tom

    --
    Someday, I'll have a real sig.
    1. Re:None? by Anonymous Coward · · Score: 0

      One word: liability.

      This is the reason why there are hardly any open-source wireless drivers. The radios on the cards are controlled by the driver, and the radio can potentially operate outside of the FCC-mandated ranges.

      If the vendor opens up the specs for the hardware, then driver writers can use the hardware devices in violation of FCC rules, and that makes the hardware vendor liable.

      'nuff said.

    2. Re:None? by Etyenne · · Score: 1
      I mean as it stands most retail wi-fi cards don't work in linux [except for prism54 intersil style which are hit and miss].

      RaLink, Atheros and Centrino chipsets are well-supported in Linux. There is probably more I can't think of too.

      --
      :wq
    3. Re:None? by tomstdenis · · Score: 2, Insightful

      That makes no sense. Just make it have a register "frequency" and have it reject out of band stuff ON DIE.

      E.g. write the Khz you want to a 32-bit register ... oh that's out of range... sucker!

      I've heard the excuse you gave before but frankly I don't beleive it. It's TRIVIAL to put a switch somewhere in an ASIC to just trip and say "out of range".

      And really when it gets down to it we don't need access to the radio, we need to say

      read packet to $MEM of size $SIZE.

      Write packet from $MEM of size $SIZE

      Where "packet" is transmitted verbatim using the 802.11 encodings [QAM, FSK or whatever it is].

      That way you can build an encryption/switching stack on top of that and you don't need access to the radio directly.

      --
      Someday, I'll have a real sig.
    4. Re:None? by powerlord · · Score: 1

      Gee, and here I thought that the person using the hardware would be the one liable for violating the FCC rules, comparable to someone with a hammer, while smashing a window, would be liable for vandalism, not the maker of the hammer.

      --
      This space for rent. All reasonable inquiries will be entertained at proprietors discretion.
    5. Re:None? by Anonymous Coward · · Score: 0

      Your post is nothing but a troll. Do you honestly think that the prism based cards are the only ones that work well with linux? Go hit google and check for yourself.

    6. Re:None? by tomstdenis · · Score: 1

      Ok, I'll pay for you to fly to Ottawa, then we can shop "mr. retail store". You point out to me the cards that are NATIVELY supported in linux and not through ndiswrapper or intersil firmware.

      Oh, you mean I can buy BUNDLED LAPTOPS with things like centrino? Well good for fucking them.

      If I can't walk into Futureshop and buy a PCMCIA card with a compatible chipset then that's effectively "nothing available".

      Tom

      --
      Someday, I'll have a real sig.
    7. Re:None? by scheme · · Score: 1
      That makes no sense. Just make it have a register "frequency" and have it reject out of band stuff ON DIE.

      Different regions have different frequencies that are out of bounds. For example, Canada and the US allow different frequencies making certain channels out of bounds. Similar restrictions apply to the EU and Asia.

      Hardware vendors don't want to have different cards/chipsets for each country so they set frequencies in firmware/software.

      --
      "When you sit with a nice girl for two hours, it seems like two minutes. When you sit on a hot stove for two minutes, it
    8. Re:None? by tomstdenis · · Score: 1

      Um, first off, 802.11 is essentially universal. I've used my laptop in Europe without trouble.

      Second, how hard is it to make a run of North American, run of Asian, etc chips? This really sounds like a "non problem".

      Tom

      --
      Someday, I'll have a real sig.
    9. Re:None? by zippthorne · · Score: 2, Informative

      "Type Acceptance" In order to get type acceptance (basically a license for the radio) It must meet specific FCC regulations, one of which is that it must not be capable of transmitting out of band or at unallowed power levels.

      Amateurs are licensed operators and so equipment designed for their use need not be type-accepted: the operator is expected to obey FCC regs rather than the device.

      I don't think the company would be liable if someone modified their equipment to transmit out of band or at higher power or whatever, but if it turned out to be very easy to remove the blocks, their devices' license would probably be revoked and at the very least, much greater scrutiny would be applied to products from that company in the future.

      I also don't know what the penalty is for selling equipment that bascically can't be legally used, but I imagine consumer groups would have a field day with that.

      --
      Can you be Even More Awesome?!
    10. Re:None? by Anonymous Coward · · Score: 0

      why don't the linux guys make it easier to make drivers and hardware that support linux.

      I'm not sure how winmodems work, and I'm sure it was all a big conspiracy by microsoft to keep unix, the networking based operating system off the internet, but the fact remains, somehow winmodems were easier and cheaper to build and microsoft supported them.

      Why couldn't linux have made a linmodem standard that was easy as dirt to support and modem manufacturers could have built those? This isn't hypothetical, i really don't know why.

    11. Re:None? by pclminion · · Score: 1
      read packet to $MEM of size $SIZE. Write packet from $MEM of size $SIZE [...]

      That way you can build an encryption/switching stack on top of that [...]

      In Perl, apparently.

  33. When the CD/DVD future is still so unclear? by Anonymous Coward · · Score: 0

    "How the fuck do you think the future becomes clear?"

    And just how many "CD/DVD+-/R/W/got colors?" standards are there?

  34. 60 GHz by bsd4me · · Score: 2, Interesting

    My book with this info is at home, but IIRC, 60 GHz is one of the trouble spots for RF transmission because of absorption by atmospheric oxygen. This phenomena is exploited for some secure radios.

    --

    (S(SKK)(SKK))(S(SKK)(SKK))

    1. Re:60 GHz by rahlquist · · Score: 1

      Hmm and I just thought 60GHz was the frequency that passes through tinfoil...

      --
      Sick of stupidity? http://www.patentlystupid.com
    2. Re:60 GHz by xiphoris · · Score: 1

      Phenomenon. Phonemona is plural =P

    3. Re:60 GHz by Anonymous Coward · · Score: 0

      Phenomena are plural. (And who's Mona, and why should I phone her?)

  35. Wasted Capital by lohphat · · Score: 1

    Look atcell phone modulation "standards".

    Because the US didn't mandate use of the emerging digital global standard (GSM) the rest of the world used, consumers had to suffer (and manufacturers had to tool for) six different, incompatible standards.

    Now GSM (via Cingular) is emerging as the leader 15 years late to the party -- the other carriers are now minority players stuck with technology virtually no one else uses. Imagine the BILLIONS in R&D and consumer waste which could have been avoided.

    The wireless standards should shoot it out in front of IEEE and then the US should adopt their recommendation -- a recommendation from engineers, not the ignorant public.

    We don't alllow the public to determine instrument flight arrival procedures, why whould we allow them to determine the best scalable technology as they don't have a real good track record.

    1. Re:Wasted Capital by 0111+1110 · · Score: 4, Interesting

      You might want to check out this article written a few years ago by Steven Den Beste (a former Qualcomm engineer) on some of the differences between GSM and CDMA. GSM is just a form of TDMA. It actually looks like our track record is pretty good. Except for the part about old fashioned GSM dominating the US market now as well. Seems like another case of VHS winning over Betamax. But I think GSM will have to switch to some form of CDMA eventually anyway.

      IMO these standards are red herrings anyway. What we need is for cell phones to drop back into the Mhz range again so that they can penetrate building walls. These microwave frequencies are not so good for that. It takes too much power to do it. People don't just use cellphones in their cars anymore.

      And 60 Ghz is ridiculous. It will be bouncing off solid objects like a radar gun. You may as well use a modulated laser beam. It will take huge amounts of power to penetrate even the thinnest building walls.

      --
      Quite an experience to live in fear, isn't it? That's what it is to be a slave.
    2. Re:Wasted Capital by Prophet+of+Nixon · · Score: 1

      Out of curiosity, why did phones (particularly the in-house cordless variety) ever move from MHz to GHz? Was it just marketing, or is there a technical reason?

    3. Re:Wasted Capital by PureCreditor · · Score: 1

      CDMA's failure of dominance stems from one major flaw - the lack of SIM card. Without it, carriers must strike deals with phone manufacturers. Consumers will be limited to whatever their negotiations result, instead of free market choices of phones like in Europe or Asian. With Sprint, it's basically Sanyo and Samung, while for Verizon, it's Motorola and LG. And if my phone dies, i must go to the store to repair it. With GSM, I can just swap out the SIM card to a backup phone (previous one perhaps), then I'm good to go.

    4. Re:Wasted Capital by manthrax3 · · Score: 1

      Just about to write the same thing. Does anyone on earth really understand CDMA, though?

    5. Re:Wasted Capital by s!mon · · Score: 1

      You are probably about half right. CDMA in theory is a good standard. But theory and actual implementation is totally different. SIM cards are nice, but its not the reason CDMA lost to GSM.

      I am a firm believer that GSM won because it was a more mature technology that CDMA. At the same time Qualcomm was trying to push CDMA, companies were still on the D-AMPS bandwagon for 3G. But the D-AMPS handsets were friggin' hand grenades because the chipsets were maybe on their 3rd generation and there was more chips than you could shake a stick at (but GSM was on their 7th). Enter Nokia with a small, sleek GSM phone with an internal antenna - and the rest is history. Even now, CDMA phones still are huge when compared to GSM phones.

      And don't forget the power of battery life. GSM handsets still have much better efficiency because the amplifier does not need the linearity CDMA phones required because GSM is essentially phase modulation with a little time division thrown in (less linearity means higher efficiency). Yes, CDMA phone do now compete because the amplifiers are much more efficient now, but the decisions for 3G were made several years ago.

    6. Re:Wasted Capital by RzUpAnmsCwrds · · Score: 1

      "But I think GSM will have to switch to some form of CDMA eventually anyway."

      It already has. UMTS, the next generation of GSM, is based on CDMA technology.

    7. Re:Wasted Capital by lohphat · · Score: 1

      The GSM mandate placed it ahead of the pack giving it time to evolve the application layer. Yes, TDMA sux rox, but as the article said, it's an RF problem, not an app layer problem. Once the RF layer is fixed in GSM, be it CDMA2K or UFITA (fark.com's protocol of choice) they're still ahead on the world stage.

      GSM has warts -- not denying that -- but like English, it's the lingua franca of international communications. Those of us continent hoppers rely on GSM to get business done. My phone works on six continents. Period.

      Windows is no different, it's around not for it's technical merits, but its prevalency. Any other option is a non-starter because of momentum. It's not pretty, it just "is".

    8. Re:Wasted Capital by Anonymous Coward · · Score: 0

      People just wanted phones that could liquify their neighbors. :-)

    9. Re:Wasted Capital by some+guy+I+know · · Score: 1

      There's more room in the GHz range.

      --
      Those who sacrifice security to condemn liberty deserve to repeat history or something. - Benjamin Santayana
  36. Wifi jammer? by swb · · Score: 1

    There has to be a huge market for something you could put in a location that would effectively nix any rogue WAPs that people installed, either through RF interference (FCC nono?) or by simply drowning the WAPs bandwidth by auto-attaching and spamming the AP to render it non-functional.

  37. One less than what we have by nuintari · · Score: 2, Insightful

    They can all exist, except for one, 802.11 needs to be fucking shot.

    Insecure, unscalable, and the newest access points are flooding the 2.4 ghz by using all 11 channels as opposed to behaving and using one.

    802.11 has ruined the 2.4 ghz spectrum, I ever start my own wireless ISP, I won't even try to use 2.4 ghz radios.

    --

    --Nuintari

    slashdot : where an opinion can be wrong.

    1. Re:One less than what we have by tomstdenis · · Score: 1

      People have to think of things like filters.

      802.11 should NEVER have had crypto in there.

      It should be JUST the transceive protocol and standards. On top of that you build a crypto stack [like ipsec]. It's when you "re-invent the wheel" that you into trouble.

      Of course that type of thinking is dangerous because then people could use it for something else... e.g. ipsec ontop of wimax or UWB or something.... wowswer!!!

      My big problem with 802.11 isn't the standard it's the shitty implementations that pass as "compliant" at BestBut or other $RETAILER.

      Tom

      --
      Someday, I'll have a real sig.
    2. Re:One less than what we have by nuintari · · Score: 3, Interesting

      Yeah, for the sake of roaming access on my laptop at home, I have an AP, but I use strong crypto from the router (An opnbsd box, running ipsec and pfauth), to secure it. Securing wireless the good way isn't too tough, but my big beef is with how the system was designed.

      They essentially took ethernet, and shoved it into the air. 802.11 uses collision detection, just as ethernet does. The problem is, 802.11 has no ability to notify the clients of each other's existence, so if you are sitting right next to each other, fine, you'll see each other, collision detection does its job. However, stick two clients on opposite sides of the access point, out of range of each other, and you have a problem. Neither client can see the other, so collision detection fails miseraby. You get what is know as the invisable neighbor problem. You are firing, your neighbor is firing, neither of you are aware of the other, and the access point is overwhelmed. Performance suffers for both people, and 802.11 still needs to fucking die.

      --

      --Nuintari

      slashdot : where an opinion can be wrong.

    3. Re:One less than what we have by Jonsey · · Score: 1

      802.11 is generally implemented in a FHSS setup. Given good hopping set variety, and long hopping sets at that, there's very little problem with 802.11 stepping on itself.

      What you are more likely steamed about is 802.11b, which is always (to the best of my knowledge) a DSSS setup. DSSS steps all over each other's signals, but all it effectively does is raise the noisefloor from around -80dB to -60dB, good old 802.11 FHSS will just hammer right through that, in fact, I had to go next to a Hidelberg Press (spelling?)(Giant Full-Color Inked, High-Volume Press), to get the noise floor high enough to mess with 802.11 signals significantly.

      Provided you are not trying to do low-power, wide-spectrum transmissions of data, 2.4GHz isn't very crowded. You can catch a lot of interference, but there are a great many Radio Guru minds who have worked out very good ways to skirt around the problems caused by that... except for 802.11b/g, which just get tromped on, exactly like they were designed to do. : )

      --
      I assert that my comment is only my opinion, not that of any employer, past, present or future.
    4. Re:One less than what we have by Jonsey · · Score: 1

      Hi, you are wrong again, and I'm kinda on a campaign against outright WRONG information today.

      802.11 in ALL specifications, from 802.11 through 802.11a, 802.11b, 802.11g, 802.11n (provisional), and 802.11i, CANNOT use Collision Detection.

      There is not a overall EMF rise or fall on a radio spectrum.

      802.11 uses CSMA/CA, which while similar in a few ways to collision detection, makes a lot more sense in implementation compared to trying to detect collisions on radio spectras.

      ref: Carrier Sense, Multiple Access / Collision Avoidance 802.11

      Google parts of that, and you'll start to get a fuller picture of why CSMA/CD is a bad misnomer for Wireless Collision avoidance back-off mechanisms.

      --
      I assert that my comment is only my opinion, not that of any employer, past, present or future.
    5. Re:One less than what we have by SeaFox · · Score: 1

      Agreed.

      The problem isn't that we have too many wireless standards, it's that we have too many standards trying to use the same damn frequencies!

      If manufacturers of cordless phones, wireless routers, wireless headphones, and cordless hairdryers all just got together and said "okay, so phones will only be produced that use 900mhz, and 2.4Ghz is what the routers will use and....." then we could avoid having you phone conversation with Grandma being ruined by the popcorn in the microwave and ISP support agenst would quit getting calls from people who lose their net access whenever they listen to a CD with their wireless headphones.

    6. Re:One less than what we have by CUGWMUI · · Score: 1
      They essentially took ethernet, and shoved it into the air. 802.11 uses collision detection, just as ethernet does.
      AFAIK, 802.11 uses collision avoidance, rather than collision detection. So rather than, "Oops.. the packets bumped again", its more like "Is the air free now? Can the packet move? Not yet? No problem.. I'll wait"

      That was one of the major changes made when they essentially "took ethernet".

    7. Re:One less than what we have by dbateman · · Score: 1

      Perhaps you should look at 802.11h, where the CSMA techniques are only used for the contention based resource reservation slots and to support legacy older 802.11 systems. Once you have true resource reservation the hidden node problem goes away. So perhaps it isn't so much that 802.11 needs to "fucking die", but rather it needs to get its act together..

      D.

  38. 60Ghz!!!-Nuts to that. by Anonymous Coward · · Score: 0

    "If you thought 2.4Ghz was a bitch through layers of sheetrock, just imagine 60Ghz."

    A lot of wireless phones (not cellphones) work at that frequency just fine.

    "Hell, you might as well be using infrared to transmit as it's basically a line-of-sight transmission anyways."

    A plus if you don't want your secrets leaking out. A minus if your a wardriver.

    "Unless of course, you boost the gain. But damn, the radiation levels would be pretty damn high."

    Sterilize all those geeks who aren't getting any sex anyway.

    And in answer to the other poster. That's within the limits of the material(s) the signal is passing through.

    1. Re:60Ghz!!!-Nuts to that. by pembo13 · · Score: 1

      FACT: my 900 MHz phone goes further (through brick) than my 1.2 GHz phone.

      --
      "Thanks for all the money you paid to us. We've used it to buy off ISO among other things" -Microsoft
    2. Re:60Ghz!!!-Nuts to that. by Jimmy_B · · Score: 1

      That just means that your 900MHz phone broadcasts at higher power. The difference between 900MHz and 1.2GHz is small enough that differences in power are more important.

  39. Are you complaining? by bitspotter · · Score: 2, Insightful

    In this world of unmolested monopolies, cartels, and rampant corporate mergers, have we so lost sight of the benefits of competition that we *complain* when we see it? Are we really that brainwashed?

    1. Re:Are you complaining? by TeknoHog · · Score: 1
      In this world of unmolested monopolies, cartels, and rampant corporate mergers, have we so lost sight of the benefits of competition

      This is a completely different situation, because the different technologies are far from compatible. They don't really compete with each other as they are intended for different things, and they are more fundamentally different technologies.

      Conversely, there are no technical reasons why, for example, Microsoft couldn't make their web browser and word processor honour standards. They use this vendor lock-in to stifle competition. It's a good thing to have other word processors and browsers that accomplish the same tasks, because it keeps competitors on their toes. But WiMax doesn't threaten the position of 802.11g.

      --
      Escher was the first MC and Giger invented the HR department.
  40. Re:When the CD/DVD future is still so unclear? by Anonymous Coward · · Score: 0

    And just how many "CD/DVD+-/R/W/got colors?" standards are there?

    Zero.

    Lots of formats. No standards.

  41. I'm waiting by DogDude · · Score: 1

    In my view, wireless still sucks. It's still slow and unreliable when compared against a $2 cat 5 cable. I tried several times (802.11B, 802.11G, bluetooth, infrared), but I've been disappointed every time. I just got finished wiring my house with Cat 5, and my business is all wired with Cat 5. I'll let you uber-geeks with extra money fight it out. I'm waiting for a few more years for all of the kinks to get worked out, for real de facto standards to be established, and for prices to drop. For now, I'm very happily wired.

    --
    I don't respond to AC's.
    1. Re:I'm waiting by dentar · · Score: 0

      Whaa whaa whaa..

      Wireless is fantastic for notebooks. My cell phone has bluetooth and I can surf using that, much faster than verizon's so-called data service.

      --
      -- I am. Therefore, I think!
    2. Re:I'm waiting by tomstdenis · · Score: 1

      cat-5 has the added benefit [outside the obvious speed] of not being so supceptible to noise.

      Even if there is noise I still maintain ~190Mbit/sec copying files from one RAID-5 to another RAID-1 at home using a 150$ Ge switch. [never really timed mem-to-mem operations which probably get upwards of 300-500Mbit/sec].

      Let's see some wireless standard get that ;-) [without the microwaving of people action].

      Tom

      --
      Someday, I'll have a real sig.
    3. Re:I'm waiting by /dev/trash · · Score: 1

      Yeah but try surfing the web from you deck.

      +++
        My last.fm page

    4. Re:I'm waiting by DogDude · · Score: 1

      Yeah but try surfing the web from you deck.

      I've got an outside Cat 5 jack and a bunch of 20-30-ish foot cables. :)

      --
      I don't respond to AC's.
    5. Re:I'm waiting by DogDude · · Score: 1

      Wireless is fantastic for notebooks.

      So is a cat 5 cable. But again, it depends on what you're doing. If you're sending emails, then anything, including dial-up works just fine. If you're playing games, then sure, wireless will probably work fine (I don't play games... not sure if most wireless is fast enough for online games). IF you're just browsing web pages, then again, even dial up would work just fine. If, like me, you're doing massive FTP's and/or Terminal Services connections all of the time, and your livelihood relies on that Net connection, then wireless simply isn't an option.

      It's kinda' like if you had a delivery service, and you decided to use all electric vehicles: you could, it would work. But you'd spend more, have less reliability, and worse performance. Not exactly the kind of reliability/performance that most people would want for their livelihood.

      --
      I don't respond to AC's.
    6. Re:I'm waiting by toddestan · · Score: 1

      Yeah but try surfing the web from you deck.

      That's when the neighbor's access point comes in handy :)

  42. electromagnetic spectrum by stinky+wizzleteats · · Score: 1

    60 gigahertz? Looks like the next generation of pringles canners will have to switch to Sterno.

  43. Early Adopters by Swervin · · Score: 1

    I love early adopters, the more the better. Drives the price down for the rest of us willing to wait six months.

  44. The clear future by Colonel+Panic · · Score: 1

    when the future is still so unclear?

    since when has the future been clear?

  45. It's not the length. It's what you do with it. by Anonymous Coward · · Score: 1, Funny

    "BetaMax died because of its short tape lengths."

    And just how long does a tape have to be to record "Oh! Oh! Oh!...I'm cumming! I'm cumming! Ugh! Ugh! Ahhhh!"?

  46. Agreed by cryptochrome · · Score: 2, Informative

    The analog dials go up into the 60s, but you're lucky if you can pick up more than five or six stations most places, and most people have cable or satellite anyway. Most of it's going to waste. Open the bandwidth to the public and let TV networks set up video on demand instead. I mean look at this thing: it's unspeakably crowded. Public channels are tiny slivers, yet they're the hottest use of spectrum around. Surely this could be simplified and opened dramatically.

    Of course, when the government can just sell public spectrum at a tidy profit for its own needs, what do you expect.

    Radio is pretty crowded though, I wouldn't mess with it. Really though, if there were advertising-supported free digital/satellite radio we wouldn't need that either! But of course, AM/FM radios are tiny, simple, cheap things these days, and there are a ton of them. Until digital receivers are more common in cars it's foolish to think of replacing them.

    --

    ---If you can't trust a nerd, who can you trust?

    1. Re:Agreed by loraksus · · Score: 1

      Of course, when the government can just sell public spectrum at a tidy profit for its own needs, what do you expect.
      It isn't like the goverment makes tons of money on selling spectrum. I suppose it depends on what you define as "tons", but it isn't like the companies that buy it don't make a crapload more off it.

      --
      1q2w3e4r5t6y7u8i9o0pqawsedrftgthyjukilo;p'azsxdcfv gbhnjmk,l.;/
    2. Re:Agreed by NardofDoom · · Score: 1
      One thing I think you're missing is that radio space has to have certain attributes that make it good for wireless communication. You can't modulate a frequency any faster than, well, its frequency. If you've got a 60Ghz signal, you can only modulate it at, max, 60GHz. And that's using amplitude modulation. If you're doing frequency modulation, you have a certain range you can modulate into before you go out of the range the receiver is listening to.

      Now, there's always wideband technologies, which are basically just like using digital signals as wireless morse code: make a spark and the radio waves are picked up somewhere else. Digital works for this, but it interferes with other communications and with other devices.

      The reason there are tiny slivers in some places and huge swaths in others is because you can't send a TV signal over a 6Hz radio wave, because you can only modulate it at 6Hz.

      --
      You have two hands and one brain, so always code twice as much as you think!
  47. Betamax is not used by tkrotchko · · Score: 2, Insightful

    "Also it is still used by film majors for its higher quality."

    First, this is a good article here:
        http://en.wikipedia.org/wiki/Betamax

    But to your point:
    No, it isn't. You're thinking about the pro version of Beta known as Betacam, which I believe uses similar tapes, but a different technology. A description can be found here:

        http://betacam.palsite.com/format.html

    --
    You were mistaken. Which is odd, since memory shouldn't be a problem for you
  48. How many can we handle? 26 by WillAffleckUW · · Score: 1

    a b c d .. z

    at least for 802.11 that is.

    now, as to whether or not it makes sense - well, probably not, but that never stopped anyone.

    --
    -- Tigger warning: This post may contain tiggers! --
    1. Re:How many can we handle? 26 by tduff · · Score: 1

      At the San Francisco IEEE convention I learned that all of the letters are taken except for y.

  49. Wha? by Anonymous Coward · · Score: 0

    You mean beta couldn't fit 2.5 minutes worth of pr0n??

  50. Please god, nno more by Halmos · · Score: 1

    I get headaches, a feeling of being in slow motion, dry eyes, and fogbrain whenever I'm around them. Ugh.

  51. they wont stand a chance by StupidStan · · Score: 0
    when this product takes over the wireless market! http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item =5791782530

    notice the spanish testimonial translates to:

    This is very bad. It does not work. They deceive to me

    Usually five or six sprays is all it takes. As your computer sends data, each bit also carries hundreds of invisible WiFi Speed Spray(TM) "scrubbing" molecules. It works at the speed of light. and even penetrates lead walls (not even Superman can do that!). Within .0025 seconds, the entire path between you and the receiver is cleaned, scrubbed, polished, and sanitized.

  52. First came Windows.. by wetdirtmud · · Score: 1

    .. did we really need Linux? You be the judge.

  53. Simple Answer by ndansmith · · Score: 1

    Start using the visible range of the electromagnetic spectrum. Sure, humans and many animals will be confused by the light show, but at least we have some more bandwidth in the sky that way.

  54. The Movies! by Valiss · · Score: 1

    betamax didn't survive because the tape length wasn't suited for pr0n,

    Ironically enough, the ONLY betamax videos I ever saw when I was younger were owned by my friends father, who only had pr0n. For a few years, I thought betamax's were just used for pr0n.

    --

    -Valiss
    1. Re:The Movies! by E8086 · · Score: 1

      "betamax didn't survive because the tape length wasn't suited for pr0n"

      That was one of the unfortunate cases of the higher quality losing to the lower. Betamax had more recording time per tape. On standard play Betamax tapes can record 3hrs while VHS is only 2hrs. If I remember correctly Betamax also had a higher picture quality.

      I don't remember exactly why Betamax lost, but my guess is Sony decided to keep it to themselves while whoever developed VHS licensed it. Similar to Apple and IBM, Apple kept the production of hardware and software to themselves and now they have 3%-5% of the market.

      --
      F7 doesn't work, ignore spelling and grammar
  55. Gamma rays! by LordJezo · · Score: 1

    Not only is it not in use yet, thus uncrowded, but we'll all have the extra benefit of Hulk-like strength.

  56. software radio by Anonymous Coward · · Score: 0

    The debate over standards is a result of an over reliance on hardware. If software radio http://www.gnu.org/software/gnuradio/ became an option the standards could be updated without altering hardware. Even better, a standard could be created for a standardised standards channel. When a deviced searched for other devices it would do so on a broadcast channel. The standard could then be downloaded over the standardised standards channel to set the device up to operate with the desired standard.

    1. Re:software radio by cidViscous · · Score: 1
      i'm glad someone else out there sees the immense benefits software defined radio provides. i don't understand why all these companies are still wasting their time with hardware based solutions (until i think about money, profit margins, and the other undertows throwing their weight around in this corporate economy).

      truly, sdr is the smartest way to go.

      we (as consumers) need to demand it--that's the only way we're gonna get the push to go where we need to go. once a good (i.e. solid and efficient) hardware platform has been worked out and tested, nothing will be able to compete with software controlled radio again.

      when new networks and protocols come out, all you need is a firmware update.

      --cid

      0wn yourself
      http://cidviscous.blogspot.com

    2. Re:software radio by Anonymous Coward · · Score: 0

      Bring 'em on. Bring 'em all on. I always wanted to be able to bake potatoes on my windowsill.

  57. Bad Science by LWATCDR · · Score: 1

    Darwinian selection will not always provide the "best" solution. It also does not really apply to things like WiFi standards.
    In natural selection the only thing that really matters is if you reproduce. With technology it is what sells. The sad thing is what sells is often far from the best. If what was best always won the Amiga, ST, and Mac would have driven a stake in the heart of MS-DOS. OS/2 would have killed Windows 3.1. And slashdot would be using CSS.

    --
    See my blog http://ilovecookes.blogspot.com/ for light hearted technical information.
  58. What a stupid question by Anonymous Coward · · Score: 0

    How many can we handle? Do we really NEED another player? How fucking retarded of a question is that? The more, the merrier! Every new idea in the marketplace helps move technology and society along in its evolution. OF COURSE THE FUTURE IS "STILL SO UNCLEAR" -- the future is ALWAYS unclear, airhead. That's because it hasn't happened yet!

  59. Steering the masses yet again! by PCMeister · · Score: 1

    Competition in the wireless sector is fine as it spurs innovation and leads to creative hacks such as the cantenna (and not to mention, endless fun for /.'ers war drivin' their city looking for unsecured AP's.) But in the end, it's about boosting profitability! This is because this latest offering, for better or worse, will eventually make its way to your local retailer as the "must have" product in wireless computing. The ensuing hype will be directly targeted at the average computer using public who marvels at the latest buzz words, and because of heavy marketing, somehow feel the need to upgrade their "out-dated" equipment.

    In reality, 802.11b serves up more than enough bandwidth for the average "connected" home with a desktop and laptop (or two in some cases.) That's even taking into account protocol overhead. Granted, it shares the 2.4GHz spectrum with cordless phones and microwaves, so it cuts off every now and again. But after all, the main use for such equipment is to enable the sharing of a 'net connection. And even if your connection does get cut off momentarily, many apps have an auto-resume feature, so that point is moot. It's not like it's being used to transfer gigs of data between wirelessly connected systems, which is where the move from 802.11b to 802.11g would make sense. And as long as the equipment is upgradable to support newer security standards (WPA/WPA2) by firmware or driver, there wouldn't be a practical need to purchase new equipment.

  60. 60gHZ1 !+ 2.4gHZ by Anonymous Coward · · Score: 0

    Correct me if I am wrong, but 60gHZ wireless will have a significantly different properties from a 2.4gHZ network. 60gHZ will provide LOTS more bandwidth, and a significantly smaller range than a 2.4gHZ network. This is like comaring a yugo to a conveyorbelt... or apples and oranges if you will.

  61. Re:GNAA outreach program by Anonymous Coward · · Score: 0

    Dear Xizer,

    You seem to have a lot of drive and enthusiasm, which is obviously not finding a productive outlet, have you thought about getting some part-time work in IT? Perhaps try doing some volunteer work!

    Maybe you've not yet graduated and are going through that 'difficult' stage. Girls don't seem to like you, the sporty kids bully you. We've all been there, it'll pass. The simple fact that is girls mature faster than boys.

    In a few years, you'll look back on these days and laugh! :)

    Anyway, take care.

    AC.

  62. This is vendor-driven: everyone wants early $$$$$$ by postbigbang · · Score: 1

    They lost out to DLink and Buffalo. Look at how WiFi went, like hotcakes, and it still does.

    So now, all the vendor communities want to snack on our desire to better farther faster cheaper. Duck.

    Do we need these standards? Egads- think of how truly awful that WEP and WPA are. With luck, there'll be better security, too.

    Wait-- you say that they haven't thought of that ?*#@)@?????

    No, we don't need more. We need to fix what we have first, and strangle the engineers that thought up, with the best intentions that the road to hell are paved with, WEP/WPA security.

    --
    ---- Teach Peace. It's Cheaper Than War.
  63. It's enough when... by Beefslaya · · Score: 0
    I think we'll have enough wireless technology, when I hear a constant humming when I come near a cellular tower. :)

    Alot like what I have now.

  64. 60GHz has a maximum range of about 200 metres by geirhe · · Score: 1
    I remember my professor had an experiment with 60GHz transmission around 1995. He was looking into it because some abundant gas (oxygen and water, as far as I remember?) absorbs 60GHz radiation, so it was a very nice choice for secure short-range communications - someone who wanted to listen in had to sit almost on top of you to listen in.

    Of course, the same applies to the receiving end, which is a drag. If this is really 60GHz, it will never compete with WiMAX - this will have a range somewhere in between Wifi and Bluetooth with any sensibly-sized amplifier/antenna combo.

    1. Re:60GHz has a maximum range of about 200 metres by pclminion · · Score: 1
      Of course, the same applies to the receiving end, which is a drag. If this is really 60GHz, it will never compete with WiMAX

      The solution is obvious -- remove all oxygen from the atmosphere!

  65. what's wrong with a few wires/cables by E8086 · · Score: 1

    If your job and/or lifestyle has you traveling a lot, wireless if very much a good thing.
    But for stationary things I'll take a couple wires in exchange for speed and performance. I'll take a wired gigabit network for my desktops over a WLAN we all know only gets maybe 50% of advertised, 54mbits performs at maybe 25 unless you're close enough to the AP to use the 6' cable it came with. I'll take a USB2 mouse and a PS/2 keyboard with a bunch of multi media keys over the waste of batteries bluetooth.
    A "wireless" connection is only about 5% wireless. Instead of trying for a 60Ghz 500mbits wireless connection, spend a little money to fix TCP/IP, especially the part that says if there's an error resend at 50% speed. That way an 11mbits may be able to perform at what is now a 50mbits connection.

    --
    F7 doesn't work, ignore spelling and grammar
  66. Need additional wireless players? by sbrsb · · Score: 1
    That issue is very much up for grabs in a current FCC proceeding regarding another band of spectrum... with a comment period expiring this week.

    In March, the FCC opened up the 3650 to 3700 MHz band of spectrum for use by an unlimited number of licensees throughout the country, with an easy online application process, no eligibility restrictions or costs to speak of, and with all licensees having a mutual obligation to cooperate and avoid harmful interference to each other. That band is currently used for Fixed Satellite Stations and exclusion zones around their facilities (see page 66) would prevent usage nearby, but most of the U.S. could benefit from new widespread competion to provide faster, cheaper wireless broadband.

    However, recently nine petitions were filed asking the FCC to reconsider its decision and impose severe restrictions on who can use the spectrum, e.g., Motorola is requesting that all 50 MHz be divided into two blocks with each auctioned off to the highest bidder and Intel requested the same for major metropolitan areas. What do you think: open it or auction it?

    Those who'd like to add their opinions to the previous set of comments, perhaps thanking the FCC for opening up the spectrum and opposing its sale at auction to just a pair of exclusive license holders in each area can file a comment by entering 04-151 in the proceeding number here and selecting Reply to Petition for Reconsideration in the drop down box at the bottom. Deadline this week, Thursday Aug 11. Even just a sentence or two of input can be helpful...

  67. I can handle a few more... by DannyiMac · · Score: 1

    I can handle a few more wireless technologies. My right hemisphere has room for a few more brain tumors.

    --
    - Danny
  68. Re:Please god, no more by RJabelman · · Score: 1

    Wow. Someone on here who has a genuine need for a tinfoil hat!

  69. Innovation by Infonaut · · Score: 1
    Business is not about being fair and open market'ish. It's about making lots of money doing $ANYTHING.

    Of course business is about making money. Without the profit motive, the computer and telecommunications industries wouldn't exist, and none of us would be involved in this discussion.

    Some companies seek to maximize profits by creating their own standards. Others do not. It's a business decision, not a moral one. It's also been going on since the dawning of the Industrial Age, but it is merely more apparent in the Information Age.

    Exclusive deals have nothing to do with innovation. They've been around since before there were such things as "standards". Businesses engage in exclusive deals to lock out their competitors. You give me the best pricing if I guarantee that I will only use you as a supplier. If your product starts to suck, I'll terminate the deal and go with another supplier. So even in exclusive arrangements, suppliers face pressure to keep quality high.

    The fact that some technically superior standards are defeated by inferior standards (Betamax vs. VHS springs to mind) usually means that the technological superiority of one standard are incapable of overwhelming the other standard's advantages. In the case of Betamax vs. VHS, the licensing costs of Betamax were prohibitive, so companies that adopted VHS could make more money and continue to improve the VHS standard along the way. VHS technology was "good enough" at its inception, and consumers gravitated to it accordingly. Ironically, the more "open" standard won, even though it was less capable technology.

    You can't just do what you want in business. You might be able to get away with boxing out competitors and pushing inferior technology on consumers for a while, but once you start doing that, competitors who can build better mousetraps begin to enter your market. Eventually you either adapt and become more capable, or you go the way of the dodo.

    --
    Read the EFF's Fair Use FAQ
  70. Yes by Fringex · · Score: 1

    We need more, especially when the future is unclear. Competition promotes ingenuity. With all these companies competing for your attention and more importantly your consumership, technology moves with leaps and bounds.

    Eventually companies will go bottom up because they can't compete and there will be a group of delcared winners. The future is defined by what companies can deliver the technology to survive among the sea of companies.

  71. It is a good thing. by ChadL · · Score: 1

    The more standards we have, the more competition there will be from providers of the services, and then the prices will be lower, better for everyone.

  72. Don't forget.... by zogger · · Score: 1

    ...."Nano". Latest investor buzz word. Doesn't matter what the product is, use X and nano..leverage your way to eXtreme profit!

  73. What the hell does this mean? by pclminion · · Score: 1
    Does the world really need another player when the future is still so unclear?

    He seems to be saying that "We shouldn't try to figure shit out until we've got shit all figured out." Is he missing a cerebral hemisphere?

  74. universal? by YesIAmAScript · · Score: 1

    http://www.cisco.com/univercd/cc/td/doc/product/wi reless/cb21ag/acau01/auappb.htm

    We have 11 channels in the US, there are 14 in Japan and 13 in the EU.

    And what company wants to make 3 chips when they can make one? If you make 3 chips, then you have a stocking problem. what happens when you have 1,000,000 EU chips on hand and someone wants to buy 1,000,000 JPN chips? If they're all the same, you don't have a problem. But if they're different.

    And then the company that makes the product with the chips has to make 3 different versions and has their own stocking problem.

    Finally, due to how frequencies are generated, it is difficult in hardware to truly keep people from generating improper frequencies. Remember how much work Intel and AMD do to limit overclocking (and how unsuccessful they are in the end).

    Finally, in 802.11, it is the device that creates the network that picks the frequency. So your laptop can easily be universal, accepting and responding on any frequency that is legal anywhere in the world, assuming that the base stations in an area will only be on legal frequencies. But base stations aren't as universal.

    All in all this really sounds like a "problem you don't understand".

    --
    http://lkml.org/lkml/2005/8/20/95
  75. Innovation is good I tell ya by chia_monkey · · Score: 1

    I'm guessing you are busy and didn't have time to digest what I said. Nowhere was it said that "having different standards is innovating". What was said was that companies try to find better ways to do things. Maybe they don't conform to the current standards. According to your logic, we should have stuck with the first internal combustion engine ever developed. What is this "fuel injector" thing? I can't stick that on my small block 350. Where will I put the carburator? Or perhaps we never should have developed the jet engine. That CERTAINLY didn't fit the current set of standards used in flying. AM radio rocks. Who needs FM? Wait...why deliver cable TV to send television signals if you can just get them through an antenna? My point being, innovations are good. They may shake up the industry and force people to think of new ways to do things. Just because "it's been done like this for the past 50 years" doesn't mean it's always the best way.

    I agree with you that business is about making money. Innovation can lead to that goal even faster. The whole mess of business ethics, monopolistic practices, deals, etc is topic for another time.

    --

    "He uses statistics as a drunken man uses lampposts...for support rather than illumination." - Andrew Lang
    1. Re:Innovation is good I tell ya by Anonymous Coward · · Score: 0

      FM and AM are bad examples. FM stinks at quite a few things. First of all, broadcast FM is a bandwidth hog. Also, it is a full duty cycle mode. AM is better for DX than FM.

      AM and FM have different uses.

  76. What a tidy universe you live in! by Fantastic+Lad · · Score: 1
    --where all the little dots are connected by neat little lines.

    Seriously.

    It strikes me as far more likely that there are other forces at work out there determining how our technological reality gets shaped. --And that the almighty demi-god of 'competition' is primarily an irrelevant game played out at the lowest level of the field, where managers and owners and investors stress themselves silly over battles in a war where the outcome was long ago determined in somebody else's board room.

    The Medium is the Message! --The Medium is what defines the shape and behavior of our society. And the shape and behavior of our society are hotly contested flags on the battle ground.

    Why WiFi?


    -FL

  77. Software Defined Radio is too power hungry by erice · · Score: 1

    I'm glad someone else out there sees the immense benefits software defined radio provides. i don't understand why all these companies are still wasting their time with hardware based solutions

    I do. The computational requirements of digital radios greatly exceed the capabilities of practical embeddable processors. You need dedicated hardware or at least a special purpose processor with an exotic architecture to keep up.

    Reconfigurable logic systems (fast, but the development model is nearly intractable), augmented vector processors, VLIW. They were all tried in the late 1990's early 2000's. All those projects and companies are dead because they could not deliver enough computational power with a low enough power requirement, and a practical development model. There are number companies trying again today. The technology has improved some but the modulations are now much more computationally demanding.

    We all like to make everything soft. But, to make this happen, computational demands must stabilize so that processor technology can catch up. Wireless communication technology shows no sign of slowing its apetite for more MIPS.

  78. Betamax "superior"? by Anonymous Coward · · Score: 0
    This page shows the differences between the formats. For my usage, VHS was superior to Betamax for the "technical" reason that the tapes were a lot longer.

    The linked article is not perfect, however. VHS is not yet obsolete. More reliable and cheaper DVD stand-alone console burners will make VHS obsolete soon, but they are "not there" yet.

  79. V2000 by Harald+Paulsen · · Score: 1

    I had V2000 instead of both Betamax and VHS, you insensitive clod!

    For those of you that don't know, V2000 was a competing standard to both VHS and Betamax, launched by Phillips.

    --
    Harald
  80. Old News by Anonymous Coward · · Score: 0

    60GHz has been out for a long time. It is strictly for very short distances and line of sight only. Although the data througput is VERY high it really isn't an end user technology.

  81. Competition is a great thing! by jimmyjim · · Score: 1

    The world market should have as much competetion as possible from a consumers stand point of view because the prices drop faster new lines/products are brought to market faster etc etc just look at xbox 360 coming out. The real question I have is will a new guy/softwaremaker ever make it in a windows/linux only market? A birth of another Bill Gates is that possible?