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Motorola Field Tests Wireless Broadband At 300Mbps

cft_128 writes "Motorola Labs just finished field testing its new ODFM (Orthogonal Frequency Division Multiplexing) wireless broadband technology that prove it can attain 300Mbps. This is only a test, but it is an order of magnitude faster than the fiber to the premises that Verizon is now starting to offer. They do mention that the final network would only see 20Mbps sustained and 100Mbps peak."

138 comments

  1. so what does this mean for us? by Anonymous Coward · · Score: 1, Interesting

    when does this technology hit the streets?

    1. Re:so what does this mean for us? by NattyDread · · Score: 2, Funny


      Why, Jimmy ... more Spam, of course!

      spam, spam, spam, spam
      spam, spam spam, spam... ;)

      --
      Maybe the rain Isn't really to blame. So I'll remove the cause, But not the symptom!
    2. Re:so what does this mean for us? by lofi-rev · · Score: 1

      hmmm, getting spam while driving - a whole new level of road rage.

    3. Re:so what does this mean for us? by nysus · · Score: 1

      I'm not qualified to judge based on the technical information given in the story, but because it's a press release and likely just hype, I'd say 10 to 15 years.

      --

      ---Technology will liberate us if it doesn't enslave us first.

  2. wow by Anonymous Coward · · Score: 0, Funny

    thats alot of porn!

  3. "Wireless" by Capt'n+Hector · · Score: 2, Interesting

    Suddenly, the iPhone is making a whole lot of sense.

    --
    Quid festinatio swallonis est aetherfuga inonusti?
    Africus aut Europaeus?
  4. ODFM???? by gotr00t · · Score: 4, Informative
    Wouldn't it actually be called OFDM because its supposed to be an acronym for "Orthogonal Frequency Division Multiplexing?"

    (referring to the text in the article)

    1. Re:ODFM???? by jrockway · · Score: 0, Offtopic

      I hope OSDN (slashdot's parent) doesn't buy OFDM tech. That would be confusing...

      --
      My other car is first.
    2. Re:ODFM???? by Anonymous Coward · · Score: 0

      What about OMFDM?

    3. Re:ODFM???? by darksaber · · Score: 1

      I suppose that means that the submitter wasn't copying and pasting from another source (for a change).

    4. Re:ODFM???? by DJStealth · · Score: 1

      Its a typo by the poster, the article says
      "Orthogonal Frequency Division Multiplexing (OFDM)"

  5. How long until WiLan sues 'em? by mcg1969 · · Score: 3, Interesting

    Can't be too long. They think they patented all OFDM technology, it would seem.

    1. Re:How long until WiLan sues 'em? by chriso11 · · Score: 4, Insightful

      Actually, the digital radio in Europe and HDTV broadcasts also use OFDM, so I guess we can find out by seeing when WiLAN sues them...

      That said, OFDM is amazingly elegant and efficient (in use of BW). It just requires the receiver to work harder to demodulate the data. So with a 300MB/s peak rate, you will need a much more powerful processor than 802.11g applications. So don't go looking for this in a portable solution for a long time...

      --
      No, I don't trust in god. He'll have to pay up front, like everybody else.
    2. Re:How long until WiLan sues 'em? by Anonymous Coward · · Score: 0

      Wi-Lan doesn't claim all OFDM technology. Read their patent, where they clearly cite prior art! Their innovation was 2-way, and means to overcome signal-to-noise issues, etc

    3. Re:How long until WiLan sues 'em? by Beryllium+Sphere(tm) · · Score: 1

      >don't go looking for this in a portable solution

      On the other hand, the press release claims
      "using OFDM on a 20 MHz bandwidth channel with multiple antenna handheld devices".

    4. Re:How long until WiLan sues 'em? by wankledot · · Score: 1

      802.11a and g already use OFDM, I'm not aware of who (if anyone) owns the basic patents on it

      --
      My sig is blank, I typed this by hand.
    5. Re:How long until WiLan sues 'em? by wankledot · · Score: 1

      guess what 802.11a and .11g both use right now? Yup, OFDM.

      --
      My sig is blank, I typed this by hand.
    6. Re:How long until WiLan sues 'em? by clf8 · · Score: 1

      Not true, Cisco owns patents on VOFDM (Vector OFDM).

    7. Re:How long until WiLan sues 'em? by windowsfree · · Score: 1

      R. W. Chang from Bell Labs patented OFDM back in the 60's. I don't know the current state of the general patent.

    8. Re:How long until WiLan sues 'em? by mcg1969 · · Score: 1

      Funny you should mention this, because: 1) when Cisco acquired the patents, the acquired me, too (and about 35 other engineers); and 2) WiLan sued Cisco over them.

    9. Re:How long until WiLan sues 'em? by mcg1969 · · Score: 1

      (well to be fair I've been away from Cisco for 3 years now)

  6. Free Software Automobile Telemetrics? by lofi-rev · · Score: 5, Interesting

    "..traveling at typical highway speeds (in excess of 100 kilometers per hour or 62 mph)."

    With a connection like that you could easily set up some pretty cool homebrew telemetric systems. Maybe have a community database of good restaurants?

    "Car - please direct me to the nearest Thai restaurant favored by Slashdot readers who enjoy icefishing..."

    1. Re:Free Software Automobile Telemetrics? by DAldredge · · Score: 0, Offtopic

      Moore is just like Bush and Kerry in that he twists the facts to fit his world view and the demonizes anyone who doesn't agree.

    2. Re:Free Software Automobile Telemetrics? by DarkSarin · · Score: 0, Offtopic

      saying that moore is truthful is like saying the sun is cold--it just ain't so.

      moore is nothing more than a sorry jerk that has something to prove. he just happens to have a camera and some cash. he may be successful, but that doesn't make him less of a lying sack of manure.

      of course, that said, i have to give him props for being convincing.

      --
      "We don't know what we are doing, but we are doing it very carefully,..." Wherry, R.J. Personnel Psychology (1995)
    3. Re:Free Software Automobile Telemetrics? by Anonymous Coward · · Score: 0

      Pray tell, how is Moore different than any other partisan politco? One-sidedness is the same on both ends of the scale. Pull your head out of your ass, and while you are at it I have a bridge to sell you. Asshat.

  7. Nice posting... by Anonymous Coward · · Score: 0

    Grammer Nazi: ODFM or OFDM, which is it... and what the hell does "that prove it can attain" mean? Isn't there suppose to be an "s" in there some damn where.

    And I though I sucked at engrish...

  8. 300Mbps ? by arazor · · Score: 5, Insightful

    Damn that is extremely fast but here in rural south east Ohio I would settle for just 1Mbps. I'm currently stuck at 28.8k and thats on a good day with my USR V.Everything Courier modem sigh...

    1. Re:300Mbps ? by DevilM · · Score: 0, Flamebait

      Why are these always comments along these lines? Like technology? Don't have what you want in your area? Move!

    2. Re:300Mbps ? by mrm677 · · Score: 1

      Damn that is extremely fast but here in rural south east Ohio I would settle for just 1Mbps. I'm currently stuck at 28.8k and thats on a good day with my USR V.Everything Courier modem sigh...

      Ha! Even if I lived in a Stepford (with real non-evil people), I would pack my bags immediately if I had to surf at 28.8k!

    3. Re:300Mbps ? by NanoGator · · Score: 1

      "Don't have what you want in your area? Move!"

      I know a guy who is well off. He drives a Hummer to work. He's also VERY technically saavy. Yet, he lives somewhere where he can only get 56k, tops. Should he just move? Well I doubt he'll find an apartment that takes bison.

      I dare you to tell him to move just to upgrade his internet connection.

      --
      "Derp de derp."
  9. Decceleration. by Anonymous Coward · · Score: 0

    "They do mention that the final network would only see 20Mbps sustained and 100Mbps peak.""

    And that's a bad thing, how?

  10. Order of Magnitude faster than Fiber? by Shuasha · · Score: 4, Insightful

    That's the most retarded thing I've seen in a long time. Fiber can take more than 10 Gb/sec.. The paid offering for fiber to the prem is just slow.. they don't want to cannibalize their paid commercial optical products. You can't compare a current product offering to a something that's being tested. The marketing people haven't been involved yet.

    1. Re:Order of Magnitude faster than Fiber? by xchino · · Score: 2, Insightful

      What I think is retarded is people who can't seem to read the post. It says it's order of magnitudes faster than the FTTP (Fiber to the premises) that Verizon is rolling out, which they claim will carry up to 30Mbps, though they didn't release prices for anything above 15mbps. It did not compare it directly to the transfer rates of fiber or any other data line. Try a little bit of critical thinking before you post next time. They are talking about service levels, not maximum transfer rates for any one type of connection. And it quite possible could carry more bandwidth, since you can't saturate wireless connections like you can with physical lines. If i have 10 people on a 100Mb cat5 run, they can each get 10 mbps. If I have 30 people on a 54mbps wireless connection they can all get 54mpbs.

      --
      Everyone is entitled to their own opinion. It's just that yours is stupid.
    2. Re:Order of Magnitude faster than Fiber? by jrockway · · Score: 4, Insightful


      > If i have 10 people on a 100Mb cat5 run, they can each get 10 mbps.

      If it's switched, and it's between the users, then they can each get 100Mbps to each other. To the "main server", whatever that may be, they do share 100Mbps, though.

      > If I have 30 people on a 54mbps wireless connection they can all get 54mpbs.

      Wrong. Everyone shares the 54mbps minus overhead. If any of those 30 get over 1Mbps you'll be lucky.

      --
      My other car is first.
    3. Re:Order of Magnitude faster than Fiber? by Cecil · · Score: 2, Interesting

      It's only an order of magnitude faster than Verizon's offering if there are less than 10 people using it. Wireless spectrum is a shared medium, FTTP is not. Yes, it all gets shared at the internet uplink anyway, but that's beside the point.

    4. Re:Order of Magnitude faster than Fiber? by Anonymous Coward · · Score: 1, Informative

      It says it's order of magnitudes faster than the FTTP (Fiber to the premises) that Verizon is rolling out, which they claim will carry up to 30Mbps, though they didn't release prices for anything above 15mbps. It did not compare it directly to the transfer rates of fiber or any other data line.

      Although this might not be the same as what Verizon is offering, Surewest Broadband has been implementing FTTP in Sacramento, CA which supports 100Mbps, although only 10Mbps is used for Internet traffic (some or most of the remaining bandwidth is for the video/phone services). Although its a fairly old press release, Surewest will be able to upgrade to Gigabit without changing much of the current setup:

      http://www.cisco.com/en/US/netsol/ns341/ns396/ns 22 3/ns227/networking_solutions_customer_profile09186 a00801cac31.html

      "One hundred Megabits will allow us to offer new services without changing out infrastructure for a long time. And when we do need more, we can simply upgrade to Gigabit Ethernet without touching the plant."

    5. Re:Order of Magnitude faster than Fiber? by Scott+Lockwood · · Score: 0

      Remember: Wireless == one BIG collision domain - we're right back to running coax to everyone's computer and having packet collisions with this stuff. It's only advantages are mobility and speed. The rest is a step backward, albiet one that we should be willing to take for the mobility and speed...

      --
      But this is slashdot. A slashdoter who didn't build his own computer is like a Jedi who didn't build his own lightsaber!
    6. Re:Order of Magnitude faster than Fiber? by Shuasha · · Score: 1

      Talk about retarded. If you would have read MY post, you would have seen that I mentioned marketing. With FTTP, they can easily get 1 Gbit+ to people's houses, with little or no more cost. The 30 Mbit limit is a marketing decision so they don't lose the $$ from the commercial users that pay $3000+ per month for a simple gig pipe. I sell high bandwidth optical connections for a living.. I think I know a bit about what I'm talking about. My company raised their rates on gigabit links for just this reason, why get a DS3 when you can get a whole gig for the same price.

    7. Re:Order of Magnitude faster than Fiber? by alhaz · · Score: 2, Insightful

      If it's switched, and it's between the users, then they can each get 100Mbps to each other. To the "main server", whatever that may be, they do share 100Mbps, though.

      Obviously you've never tried to manage a large scale switched network! And by large i mean several miles.

      No matter how nice your switch is - even uber-expensive Alteon switches - the backplane is NEVER what they say it is. Ever. Ever ever.

      I've worked at an experimental isp that delivered 100mbps to the home. I've worked at a testing lab that performend throughput analysis on high end switching gear. ten people on ten ports of a 100mbps switch will not get 100mbps to eachother. ever. Not ever. Hasn't happened yet. Won't.

      Yeah, they *say they have various gigabits on the backplane. Whatever.

      Worse yet, it's never just you and nine other people. And due to the effects of broadcast radiation, and the cold hard truths about ethernet, even on super special hardware you rarely see more than 70% efficiency on switched ethernet in real actual real-world implementations that allow people to get done what they need to get done.

      As for the 54mbps wireless - Not a damn one of you will get 54mbps. Even one person on a 54mbps wireless network won't get 54mbps. The overhead in the physical layer and the signalling properties of rf end up meaning that the best case scenario is 27mbps.

      The problem with wireless, above and beyond that, is that you're back to a totally broadcasted network, and there is nothing you can do about it short of giving every station it's own frequency.

      so, ten people on a hub trying to talk to eachother at full speed. Yeah. Zippy.

      --
      This is just like television, only you can see much further.
    8. Re:Order of Magnitude faster than Fiber? by Anonymous Coward · · Score: 0

      how? is there currently a 54mbps technology that supports 30 users on one access point? AND actually supplies 54mbps "real" throughput? I can setup a network with multiple access points with 54mbps technology that provides 11mbps "real" throughput (or "actual throughput" if you want to be a weenie about it.) The worlds financial markets haven't solved this issue yet....if you have then get your rez in order. Keep in mind faster commercially available wireless networks have arriaved by combining channels, not expanding possible "users."

    9. Re:Order of Magnitude faster than Fiber? by Gigabit+Switchman · · Score: 1

      What kind of test setup did you use? I worked at [large Ethernet switch/router company] for 6 years, and one of our standard tests was learned unicast traffic between port-pairs. (Simulating two machines talking at full speed, since 90% of the network cards out there won't actually do 100% traffic.) We typically had no trouble doing linerate traffic on 30+ ports on a blade, or between blades. The marketing numbers for backplane bandwidth were based on what we could actually get (don't think that wasn't a fight, though.) The only reasons you'd drop from that in a real-world scenario would be:

      1) Shitty NICs. Those $8 D-Link NICs really can't handle line-rate 100 Mbit sustained. Even the pricey ones have troubles, though as often as not that's a PC issue not just the card.
      2) Broadcast traffic. Obviously, all broadcast traffic eats bandwidth on every port, not just one. Similar with multicast, but not as bad.
      3) New connections - unlearned paths on a switch are broadcast to all ports until the receiver replies, and the path is learned. With a well-chosen aging time, only unused PC's will be dropped from the path table. They'll be relearned from the first reply packet, though depending on the switch architecture they might still be broadcast for some number of packets if they're sent a huge burst of traffic.
      4) Other things I forgot - I've covered the major stuff, but I've probably forgotten a corner case somewhere. Seriously, if you use a good switch, you get the advertised bandwidth. Many switch manufacturers weasel-word their marketing, though, and seriously oversubscribe their switches.

      I didn't include the name of the company I worked for because I'm not with them anymore, and their newest stuff sucks (IMHO).

    10. Re:Order of Magnitude faster than Fiber? by Anonymous Coward · · Score: 0

      Remember: Vladintaor == one BIG foul-smelling loser

    11. Re:Order of Magnitude faster than Fiber? by Anonymous Coward · · Score: 0
    12. Re:Order of Magnitude faster than Fiber? by Anonymous Coward · · Score: 0

      That's its, not it's. You are an utter ignoramus.

  11. Awesome but... by Anonymous Coward · · Score: 1, Insightful

    Verizon is offering service in some parts of CA and FL. This is a far cray from nation vide service. They are just testing the market, and it might take years for this service to get to the rest of us.

    1. Re:Awesome but... by Anonymous Coward · · Score: 0

      yea, they estimate 1 million users by end of 2005. Do the math....there were 1 million un-counted votes in FLA in 2000 wasn't there?

  12. "Wireless"-Poo. by Anonymous Coward · · Score: 0

    "Suddenly, the iPhone is making a whole lot of sense."

    Make phone calls from your personal iLoo.

    1. Re:"Wireless"-Poo. by Anonymous Coward · · Score: 0

      yep, so is the idebt, which is what apple is left with after 10yrs of losing money with iTunes. I'm curious, why would a broad general comment as such achieve an "interesting" rating on /.? what about the iCar, iToilet, or iDebitcard? I wouldn't post anon if it was worth the time to subscribe.....like I'd have to do with an "iPhone"

      Either eloborate or go away....and yea, I'm a flamer.

  13. 3 Motorola stories in a day? by Anonymous Coward · · Score: 3, Insightful

    Maybe ./ needs a Motorola logo...

    Surprised no one mentioned the new V3 nor the A780.

    1. Re:3 Motorola stories in a day? by Anonymous Coward · · Score: 0

      I saw the V3 a few months ago right after one had rolled off the prototype line... it's pretty badass. The pictures really barely do justice to how slim it is.

  14. 300 Mbps through the AIR?! by sockonafish · · Score: 0

    Isn't that going to kill some birds / cause some cancer?

    Has anyone calculated the maximum possible safe bandwidth available through radio?

    1. Re:300 Mbps through the AIR?! by Dwonis · · Score: 1

      You're confusing bandwidth and power output. Bandwidth merely refers to the portion of the frequency spectrum being used.

  15. In other headlines by ShadowRage · · Score: 4, Funny

    Today near the Motorola Testing Facility, birds and other wildlife suddenly spontaniously combusted....

  16. SDFRSPLGB???? by i_hate_exnihilo · · Score: 1, Funny

    Wouldn't you actually be called SDFRSPLGB because its supposed to be an acronym for "Stupid Dumbass Fucking Retarded Shitwad Pussy Little Girl Bitch?"

    (referring to the fucktard text in your post)

    1. Re:SDFRSPLGB???? by Anonymous Coward · · Score: 0

      Give it a rest you knob-gobbling douchebag.

  17. Many things to consider... by John+Seminal · · Score: 4, Interesting
    First, I would be happy if I could get 14.4k/sec with my wireless phone, but they charge a monthly fee just to use their "special services", a data charge per kilobyte, and the normal air minutes. I would use my cell phone to check emails, and that would be about it. Maybe to read the newspaper. So for me, I don't need anything faster. But I don't want to pay three times for the same service. I can only imagine how much any faster internet service would cost. I fear the day of the $100 a month cell phone bill is near.

    There is a second concern that I can think of. If a phone is able to get broadband speed and has a videocamera attached, it could cause privacy problems. Do we really want a new kind of voyer with these devices??

    What else could broadband on a phone be used for?? I doubt anyone will use their cell phone as a computer. A phone is first a phone and secondly all other things. Plus, cell phones have such limited battery use times, that I doubt anyone would really use those other features for more than a very limited time.

    --

    Rosco: "If brains were gunpowder, Enos couldn't blow his nose."

    1. Re:Many things to consider... by memco · · Score: 2, Insightful

      "I fear the day of the $100 a month cell phone bill is near." You're a little late on this one. know several people who've gone over that on more than one occasion (myself excluded).

      --
      Get me a meat pie floater!
    2. Re:Many things to consider... by Horia · · Score: 1
      In Romania we have this company called Zapp that use CMDA and they have a 10 hours (600 minutes) at approx 50-100kbps depending on the network load at the time for 15$ per month. :-)

      I use it for my laptop when I'm away from home and as a backup for my main internet connection.

    3. Re:Many things to consider... by Anonymous Coward · · Score: 0

      > What else could broadband on a phone be for??

      Plugging into a laptop?

    4. Re:Many things to consider... by NanoGator · · Score: 2, Informative

      "First, I would be happy if I could get 14.4k/sec with my wireless phone, but they charge a monthly fee just to use their "special services", a data charge per kilobyte, and the normal air minutes. I would use my cell phone to check emails, and that would be about it. Maybe to read the newspaper. So for me, I don't need anything faster. But I don't want to pay three times for the same service."

      Not sure who you're using, but ATTWS and Cingular charge once, and it doesn't take up airtime. For like $8/mo. I get 1 or 2 megabytes a month. After that, it's like a penny a K or something like that. (I'd know that for sure if I ever managed to use 2 megabytes. T-Mobile offers an unlimited service for $30/mo for the hardcore users with a Blackberry or Sidekick. You pay 2 times (not 3) IF you go over your allotment. This shouldn't be all that surprising to any cell phone user.

      "There is a second concern that I can think of. If a phone is able to get broadband speed and has a videocamera attached, it could cause privacy problems. Do we really want a new kind of voyer with these devices??"

      New kind of voyeur? This problem's already here. You've never watched America's Funniest Home Videos? Never seen a phone that can take photos? You're 90% of the way to streaming video from a phone. What added problem is this going to add? Isolated incidents at best. Most places where you could hide a phone, it wouldn't take much more to set up a video camera and digitize the video.

      "What else could broadband on a phone be used for??"

      A damn cool PDA. Never seen a Treo or a Pocket PC phone?

      --
      "Derp de derp."
    5. Re:Many things to consider... by MattyIce · · Score: 1

      Your second point is completely ridiculous; just because a technology could make 1 type of social deviance easier doesn't mean it is a bad idea. I suppose you would also say that peer-to-peer clients are a bad idea because copyright infringement is made easier with them. This thinking completely ignores the numerous benefits of p2p networks. These notions completely sidestep the concept of personal responsibility. If a society decides that a particular activity is not acceptible, punish the individuals who deviate, don't imply that the technology is flawed.

    6. Re:Many things to consider... by narsiman · · Score: 1

      Or the dept of homeland security can impose a rule that encrypting cell phone content is illegal and scan all images transmitted for voyer content. That would have been funny 4 years ago.

    7. Re:Many things to consider... by Anonymous Coward · · Score: 0

      Maybe to read the newspaper. So for me, I don't need anything faster. But I don't want to pay three times for the same service. I can only imagine how much any faster internet service would cost. I fear the day of the $100 a month cell phone bill is near.

      Don't worry, this service isn't for you.

    8. Re:Many things to consider... by windowsfree · · Score: 1
      Plus, cell phones have such limited battery use times, that I doubt anyone would really use those other features for more than a very limited time.

      Right. In addition, OFDM is well known to have a large peak-to-average power ratio. This means it is very difficult to amplify the signal efficiently. The power efficiency of OFDM is very bad and this is one of the current hurdles to get OFDM into mobile battery powered devices.

      I will believe it when I see it. OFDM technologies can make many claims about data rates and bandwidth efficiency but if your battery only last 30 seconds, that 300 Mbps data rate doesn't do much for you!

    9. Re:Many things to consider... by Anonymous Coward · · Score: 0

      Clearly you haven't seen the Palm One Treo 600: http://www.palmone.com/us/

    10. Re:Many things to consider... by Anonymous Coward · · Score: 0

      I mean to say that the Treo 600 is more like a computer than a phone, because of all of the downloadable applications for this Palm OS powered machine. 1Mb/s+ would be great! I'm finding 20kb/s to 40kb/s to be good, but there are times when even that is too slow for the non-proxied full color web browser that comes with it.

    11. Re:Many things to consider... by jabberwock · · Score: 1

      Why ... does everyone assume that we need incumbent cell phone companies and proprietary networks and phones for wireless voice? I'm enjoying using a wifi handheld for voice in lots of places, free ... WiMAX, or something like it, changes the game, when combined with VOIP. 'sallreadyhappening.

  18. Uhh, hey man, like, use it for your HOME PC by cbreaker · · Score: 4, Interesting

    Who said this was for phones?

    Wireless broadband COULD be used for phones *I guess* but it's more likely to be used for people's home PC's or notebook PC's, at least at first.

    Wireless technology has a MUCH better chance at rapid deployment in most areas because all you need to do is set up some antennas - whereas with fiber or other wired networks you have to lay down millions of meters of lines to reach everyone's home.

    I believe that it's going to be the method of network access for the future. Cheap deployment, fast, and mobile.

    Unless you live in NYC or some other major metropolis, don't expect very high speed internet access within the next 10 years or more if you're waiting for verizon's fiber. But if Motorola deploys it's wireless system on a wide scale, you could see it in half that time.

    --
    - It's not the Macs I hate. It's Digg users. -
  19. it is CDMA... by Anonymous Coward · · Score: 0

    that is what the original post was probably talking about. cdma is what some of the phone carriers use today.

  20. Only 20mbs. Damn. One plea.... by CFD339 · · Score: 0, Offtopic


    Let me face the danger! ;-)

    --
    The problem with quotes on the internet, is that nobody bothers to check their veracity. -- Abraham Lincoln
  21. 20Mbps or 8? by AIX-Hood · · Score: 1

    The question is, are they using the same method of measuring things as the Wifi market, or the "My 20 inch monitor is really only 18.7" ? If they're going by Wifi standards, 20mbps suddenly is starting to look like 8 or less... not bad by any means, but hardly the great speeds mentioned in the fiber to the curb article of yesterweek.

    1. Re:20Mbps or 8? by baylanger · · Score: 1

      You must be right! The GMRS radios from Motorola claim to do 5 miles but they actually do 2 miles. 20Mbps down to 8Mbps and 5 miles down to 2 miles is the same ratio. You and I should apply @ Motorola Labs!

    2. Re:20Mbps or 8? by TheDormouse · · Score: 1

      Hey! That's the same method I use to measure my penis!

    3. Re:20Mbps or 8? by Anonymous Coward · · Score: 0

      Mod Points! My Kingdom for Mod Points! ROFL.

  22. Just what we need... by Anita+Coney · · Score: 1

    A wireless connection that is faster than fiber, but isn't.

    Isn't that like a car that runs only on water, but doesn't?!

    --
    If someone says he and his monkey have nothing to hide, they almost certainly do.
    1. Re:Just what we need... by Anonymous Coward · · Score: 0

      It's worse than that. It's a phrase put in that clearly illustrates that the person who submitted the article has no idea what they are talking about. Don't get me wrong...I like my wireless as much as the next guy, but it will be a mighty long time (AKA cold day in hell) that wireless will be able to keep up with the transmission speeds that are possible using fiber. It just isn't going to happen. But that really isn't the issue. Because as a matter of fact, the consumers of this type of bandwidth CAN'T keep up with the transmission speeds of fiber either. In other words, more bandwidth is available than people can use through fiber by a LONG shot. So perhaps the point is moot.

    2. Re:Just what we need... by Anita+Coney · · Score: 1

      Nerd: "I developed a program to download porn one million times faster."

      Marge: "Does anyone really need that much porn?"

      Homer: "(salivating noise) Ahhhhhhhh million times faster"

      --
      If someone says he and his monkey have nothing to hide, they almost certainly do.
  23. Broadcast or DoS? by baylanger · · Score: 1
    son: Daddy, Daddy!!! I was outside and heard a big boom in the sky, like a thunder!!! It scared the hell out of me!

    daddy: Hey kid, come down, the sky is clear! (...Well, this might explains why the Internet went down for a moment not too long ago...) You probably heard a broadcast storm, a DoS or... dammit, perhaps a worm is seeking the wireless OFDM network trying to infiltrate computers in the area!!!

    son: Should I shutdown my Linux toy?

    daddy: Don't worry about it but Run Forrest Run and close the Windows box before it gets infected again!!!

    1. Re:Broadcast or DoS? by Anonymous Coward · · Score: 0

      wtf ?

  24. Marketers? by Anonymous Coward · · Score: 0

    The marketing people haven't been involved yet.

    Managers, upon getting input from engineers regarding the network's capicity and estimating the number of users, decide on the available speed. Marketers merely sell you on why that's enough.

    1. Re:Marketers? by Dwonis · · Score: 1
      Managers, upon getting input from engineers regarding the network's capicity and estimating the number of users, decide on the available speed. Marketers merely sell you on why that's enough.

      I thought that's what advertisers and salespeople do.

    2. Re:Marketers? by Shuasha · · Score: 2, Insightful

      You would think that that's the way it works, but it's nothing like that. My company has TONS of spare capacity on their network, and we don't lower prices.. we occasionally run promos, but that's it. We price things so we don't shoot ourselves in the foot. Why buy a 45 Mbit DS3 for $2500/month when you can buy a GigaBit connection for $2800?

  25. 300Mps On Its Own Is Meaningless by femto · · Score: 4, Informative
    300Mps in the lab is meaningless. If you have a GHz of spectrum available one can easily achieve 300Mbit/s using 20 year old technology.

    The proper question is "What is the spectral efficiency?"

    Spectral efficiency is a measure of the data throughput per unit of bandwidth. It is measured in bits per second per Hertz (bit/s/Hz).

    Existing WLANS get around 4-5 bit/s/Hz under ideal conditions. State of the art lab demonstrations get in the range 20-40 bit/s/Hz. To put this in context, 20-40 bit/s/Hz is the equivalent of >400Mbit/s in an existing 22MHz WiFi channel.

    So, does anyone know the spectral efficiency of Motorola's system?

    1. Re:300Mps On Its Own Is Meaningless by Beryllium+Sphere(tm) · · Score: 3, Informative

      >So, does anyone know the spectral efficiency of Motorola's system?

      The article says they did this in a 20 MHz channel, corresponding to 15 bps/Hz. That's far outside the range I'm used to.

    2. Re:300Mps On Its Own Is Meaningless by Archie+Steel · · Score: 1

      It is measured in bits per second per Hertz (bit/s/Hz).

      Maybe I'm just an idiot, but wouldn't it be simpler to just use "bps/Hz" or "baud/Hz"? That's one funky looking unit there...

      --

      Reminder: find a new sig
    3. Re:300Mps On Its Own Is Meaningless by bobv-pillars-net · · Score: 1

      How about bpc? Bits per Cycle. Bits/Sec divided by Cycles/Sec equals Bits/Cycle. Anyhow. Baud does not equal Bits per Second. Baud equals frequency-changes per second. A 56kbps modem actually transmits at 4700 baud, IIRC.

      --
      The Web is like Usenet, but
      the elephants are untrained.
    4. Re:300Mps On Its Own Is Meaningless by femto · · Score: 1
      I prefer bit/s/Hz, as I consider it to be more consistent than bps/Hz. Why should one 'per' be represented by a 'p' while another is represented by a slash? I use slash over 'p' as it allows direct cancelling of units during calculations.

      I also prefer Hertz to cycles as Hertz is an SI unit but cycles is not.

      I'm not going to be a unit Nazi and say that either your opinions are wrong. I am of the opinion though that consistent use of SI units comes into its own when carrying units though complex calculations.

      First time I've ever heard the term funky applied to unit analysis. Next you'll be telling me that it can be used to attract members of the opposite sex!

    5. Re:300Mps On Its Own Is Meaningless by Anonymous Coward · · Score: 0
      Or in more general terms (ie. not restricted to frequency shift keying) a baud is a 'symbol per second'. You are correct in pointing out that a single symbol can represent multiple bits.

      As a simple example, if a symbol can be one of 8 voltage levels, each symbol can represent 3 bits (8 = 2^3). In this case the bit rate will be three times the symbol (or baud) rate.

    6. Re:300Mps On Its Own Is Meaningless by Kiryat+Malachi · · Score: 2, Informative

      No....

      Baud equals *symbols* per second. Once you start to get into modulations that get multiple bits per symbol, baud != bits per second.

      56 kbps modems actually transmit at 8kbaud (7 bits per symbol, 8000 symbols per second), using PCM modulation, instead of the QAM/trellis modulation all the other high speed modems use. 2400 bps modems were 600 baud, 9600 modems were 2400 baud, 14.4 modems were 2400 baud. I believe 28.8 and 33.6 run at 3600 baud, which is about the most you can expect from the analog PSTN; 56k relies on the digital portion, essentially, which is how it achieves 8kbaud.

      --

      ---
      Mod me down, you fucking twits. Go ahead. I dare you.
      (I read with sigs off.)
    7. Re:300Mps On Its Own Is Meaningless by Eric+Lawrey · · Score: 1
      I've done a PhD in wireless OFDM technology, and there is no way they could be achieving 15 bps/Hz using conventional OFDM. The signal to noise ratio and multipath of a wireless environment is to harsh. At the efficiency levels they are describing they must be using some kind of MIMO (multiple input multiple output) technology. This is eluded to in the article in the fact that they are using multiple antennas.

      MIMO allows multiple channels to be transmitted over the same bandwidth by expoiting spacial diversity generated by having multiple antennas, and a multipath environment.

      With MIMO technology each channel is actually operating at a lower bps/Hz, and so can cope with the harsh conditions of a wireless environment. For example if I have 5 antennas I can get a maximum of 5 channels (in practice it would probably be about 2-3 channels), where each would only need to transmit at 3 bps/Hz.

    8. Re:300Mps On Its Own Is Meaningless by Dahan · · Score: 1

      Cool, you should post a link to your dissertation...

    9. Re:300Mps On Its Own Is Meaningless by Anonymous Coward · · Score: 0

      "I've done a PhD in wireless OFDM technology..." "...signal to noise ratio and multipath of a wireless environment is to harsh..."

      Amazing. PhD and still doesn't know the difference between "to" and "too"

  26. Game playing by DeadPrez · · Score: 1

    Let's just hope it doesn't drop packets every 60 seconds (+/- 30 secs) like my wireless-g set up. Makes game playing, especially FPSs a less than optimal experience.

    Other than that I love wireless.

    1. Re:Game playing by Cyberop5 · · Score: 2, Informative

      I've currently got a Motorola Canopy system (precursor to this, I imagine) and its pretty solid. It has a max throughput of 3MB/s - shared. But you can cluster antenas for more connections. It doesn't drop packets and gets great pings, much better than my Linksys 802.11g AP. Point-to-Point DES encryption. High Index BFSK modulation.

      I do, however I see the actual hardware go offline far to frequently, although I suspect it has to do more with the ISP than the equipment.

      --
      Urgo: "I want to live. I want to experience the universe and I want to eat pie!"
      Jack: "Who doesn't??"
  27. Better wear a foil helment. by Anonymous Coward · · Score: 1, Interesting

    300Mbps until someone fancies a microwave burrito... that's 4 minute of downtime right there.

    Multiply that by a decent sized coverage area, TV dinners, reheated coffee, yesterday's pizza and those pastry things that explode if they're in the microwave for too long, but are stone cold if they're not in long enough.... and you're looking at very little actual usable airtime.

  28. It all boils down to this question... by Anonymous Coward · · Score: 0

    Do you want to be able to watch 10 surround sound movies at once, or 100 surround sound movies at once for just a few dollars more? Think about it.

    1. Re:It all boils down to this question... by Anonymous Coward · · Score: 0

      "Do you want to be able to watch 10 surround sound movies at once, or 100 surround sound movies at once for just a few dollars more?"

      "For a Few Dollars More" was filmed in 1965. Surround sound wasn't invented then. In fact the DVD has Mono audio...

  29. Non Line of Sight for just 600 ft? by Anonymous Coward · · Score: 0

    Yeah yeah, when I is there going to be a afordable solution for non line of sight for at least a distance of 600 ft?

  30. Power consumption issues with mobiles by berkeleyjunk · · Score: 3, Interesting

    I really don't think this can be used for mobile nodes. Power consumption issues with OFDM might relegate this technology for use only with fixed nodes. I don't think we will have a usable laptop adapter for this technology. I have experience using a 802.11a adapter on my laptop and it sucked the life out of my laptop's battery at express speed.

  31. WISP by Anonymous Coward · · Score: 0

    I had a brief stint with a wireless internet service provider based in Detroit. Currently they provide a connection comparable to a T1 or T3. They also provide broadband for housing complexes such as high rise apartments. Currently they are capable of providing internet to anyone within a 15 mile radius and eventually they will cover all of metro Detroit. For more info check out www.getzing.com

  32. Upside on fiber far higher than the RF by RhettLivingston · · Score: 2, Informative

    To compare this with fiber is just ridiculous. Even if it is cheap fiber (I would hope they are smart enough to put down something with at least a couple of orders of magnitude of growth room), the fiber will have growth room way beyond the 300MB speed of this technology. The numbers being reported now are the maximum potentials. Just one more case of rolling out an infrastructure with no room to grow.

    1. Re:Upside on fiber far higher than the RF by manjunaths · · Score: 1

      I have mod points, but I don't want to mod you down, because in meta modding normally there is not much context. So I will reply.
      Your post is modded up informative, but it is not correct, because in the story he is comparing this technology to Verizon's fiber offering and not a generic fiber transmission.

      --
      Slashdot: Tabloid for the nerds. Stuff that doesn't matter.
    2. Re:Upside on fiber far higher than the RF by RhettLivingston · · Score: 1

      The point is that, unless Verizon has been highly negligent in their fiber choice, Verizon's fiber offering can grow. This can't.

  33. Work/Life Balance by bastardadmin · · Score: 4, Funny

    There goes free time for all IT Workers.
    High Speed VPN access from anywhere, oh joy.
    Now what am I going to do when I want to sleep off my hangover on the commuter train?

  34. What does verizon have to do with it? by shaitand · · Score: 1

    This doesn't mean a 300mbit internet connection anymore than 802.11g means 100mbit. Hell most wireless internet connections are NOWHERE NEAR as fast as the 11mbit pipe their running on now.

  35. Kinda OT.... by Jaysyn · · Score: 1

    ... but I'm working on the designs for the Verizon Fiber Initiative right now. I actually just pulled 4 hours of OT drafting, came home & this was the first article I saw.

    Jaysyn

    --
    There is a war going on for your mind.
  36. *sob* by Micah · · Score: 1

    Now can someone PLEASE get something like this down here to Ecuador, where I'm still paying $80/month for an unreliable 96k cable connection?

  37. We've got that beat in Japan by putaro · · Score: 4, Informative

    Shared wireless bandwidth doesn't sound that appealing. I just upgraded my home DSL service here in Tokyo to 24Mbps (over copper). Yahoo BB is offering 45Mbps over copper. And, you can get fiber at 100Mbps (http://www.asahi-net.or.jp/en/tepco.html) from TEPCO (the electrical utility).

    I suspect that one of the reasons this is available here is the incredible density you find in Tokyo. I'm about 3 blocks away from the local CO. Rural areas probably are not getting these speeds

    Of course, the key question is what's upstream from you - right now I'm only pulling down 800Kbps across several BitTorrent downloads so your mileage will definitely vary.

  38. Can you explain OFMD to me? by Anonymous Coward · · Score: 0

    I've taken communications classes and understand frequency and time division multiplexing. Since I am lazy and don't want to research it myself, can you explain what new thing this technology does?

  39. Goofy article by pavera · · Score: 2, Interesting

    Yeah, Verizon is rolling out their service at 30mbps, and this can attain 300mbps in the lab... well, I've seen 1tbps in the lab over fiber... so touch that wireless! Anyway, I work at a ftth provider, we have 1gbps dedicated to every home, switched network, not shared (like wireless is).

    We give up to 50mbps for internet... as our bandwidth gets cheaper, we'll be bumping that up to 100mbps, wireless can't hold anything to fiber.. besides, you can't do reliable voice over wireless (latency issues) and certainly not video which we provide as well, more than 5ms of latency and your video stream is toast...

    Wireless will never be a reliable triple play provider, which is the holy grail in telecommunications right now.

    1. Re:Goofy article by cft_128 · · Score: 1
      ... besides, you can't do reliable voice over wireless (latency issues) and certainly not video which we provide as well, more than 5ms of latency and your video stream is toast...

      Are you sure about that? I'm not sure about you, but my cell phone works fine (wireless digital audio) and there are many devices that send audio over WiFi (like the Airport Express). Also I must say watching broadcast HDTV works just great and I've watched many streaming videos over a WiFi connection.

      --

      Underloved Movies and Pub Quiz: donotquestionme.org

    2. Re:Goofy article by pavera · · Score: 1

      well, I'm talking packet voice not digital cell service. VoIP will work over a WLAN, but it can be flaky, like a cell phone, which is generally unacceptable as a carrier of last resort.

      I'm also talking about IP Video which your streaming video would qualify for, but try comparing the quality of that streaming video to a DVD or HDTV. Yeah, you can receive broadcast HDTV but that isn't IP Video, it isn't packetized, which is where the latency kills you. If you get packets arriving a few milliseconds late it seriously degrades video performance leading to pixelization, blurriness, and annoyed/frustrated customers.

  40. Electro-Magnetism is Dangerous by Anonymous Coward · · Score: 0

    Maybe not, but I do fear that electomagnetic fields might be causing cell death. Research what happens when you put a magnet in close proximity to cells for a few days. You'll get the point. I guess all the modern countries of the world will come down with high rates of neurological disease in 25 years due to all these wireless transmissions. It reminds me of a story about the Roman Empire and lead plumbing.

  41. And what upstream? by Gldm · · Score: 3, Insightful
    I've had a 10mbit downstream from optimum online since 1997 or 1998. I've rarely needed more downstream as most sites can't push anywhere near that. Even a big server like ATI or Nvidia's driver hosting can barely hit 6mbps to me, even with TCP recieve window tweaks.

    When are we going to see decent upstream at the home? 128kbps doesn't cut it. I rarely see any offering at all over 256kbps upstream. OOL offers 1024 but as soon as you begin actually USING it they cap you back to 150 to keep the network from congesting to death.

    But Joe McSixpack doesn't care about that, he just wants to grab porn faster and maybe let his kids get on aol and watch some crappy realvideo trash without whining. The ISPs are so paranoid about people running servers on their networks and losing their ability to charge 5000% markup for the same connection for "business" users even though they still block ports like 80 and 25. Woe betide the industry if people realised that 1.5mbps T-1 they've been paying hundreds or thousands a month for since the early 90s is now SLOW.

    It's gotten to the point where I've pretty much given up hope of ever seeing a real broadband connection in my lifetime. By the time I can afford something with decent upstream, the idiots in washington will have ISPs so paranoid that everyone will be mandatorily placed behind a NAT and their servers will continually portscan you looking for servers and p2p apps.

    --

    Introducing the new Occam Fusion! Now with sqrt(-1) fewer blades!

    1. Re:And what upstream? by rekt · · Score: 1
      i know it's nothing like the downstream speeds yer talking about, but speakeasy offers server-friendly residential DSL packages with 768K upstream, which is better than any other DSL provider i've seen. and it's a reliable connection, too, in the month or two i've had it under heavy load.

      i'm not a fan of the big corps in general. AT&T royally screwed me with a crappy DSL connection, pitiful upstream speed, non-documented port-blocking, an abysmal AUP once i started running servers, and a lock-in contract that they wouldn't let me out of even if i paid it off in full early.

      But speakeasy's actually been pretty good. When the line was having some burn-in problems, they were willing to actually talk through the issues in full with me let me decide which tradeoffs i preferred to make to get things resolved. Now, if only their downstream could really provide the 6Mbps they sold it to me as instead of the 4Mbps which is what they can reliably provide... sigh. At least they explicitly let you do whatever you want with the connection you paid for.

  42. Canada just launched a satellite for broadband by Anonymous Coward · · Score: 0

    We just launched the Anik F2 and it's supposed to give wireless two-way broadband to remote North American communities at competitive prices. I'd say if the Inuit up in Nunavut can get satellite Internet at broadband speeds, it should soon be possible for somebody in rural states to get it soon too.

  43. Of course it's really fast. You're alone. by Animats · · Score: 2, Insightful

    Of course it's really fast when you have the whole band to yourself. You could get 10Mb/s over analog cell phones if you could tie up all 860 channels. Big deal.

  44. Big Deal by NoelWeb · · Score: 0

    I haven't come across any service, or web site, for that matter, that can push more than what my sloppy-ass comcast broadband can handle.

  45. You can't be serious by mrwiggly · · Score: 1
    This is only a test, but it is an order of magnitude faster than the fiber to the premises that Verizon is now starting to offer.

    Are you seriously comparing lab's theoretical numbers to something being delivered to end users?

    Do you doubt that FTTP can scale higher? What speeds are they pushing over fiber in the lab? No my friend, wireless will always lag behind.

  46. LOS issues, WISP by usurper_ii · · Score: 1

    I work for an wireless ISP using Motorola Canopy. Canopy equipment can go up to 4 Mbps, up and down, and it works and works well. The down side is that it is expensive, a "fixed" wireless product, and requires Line of Sight to the customer. Let me say that last thing is the kicker. While the equipment may work fantastic, and we have customers working up to 7 miles away, if they can't actually see the tower, you can forget about signing up that customer. Trees, hills, buildings in the way? Lost customer.

    And this means that as an ISP using Motorola Canopy, your location can make or break you. If you are in West Texas in the right spot, you might have a great business. But move over to East Texas, and you can sign up a handful of people off of a 300 ft tower. It's crazy.

    The problem is that the units are 200 mw and just don't have the power to go through anything.

    The FCC really needs to find a spectrum where they can boost the power up to something useable. Let me tell you, Motorola Canopy equipment with some power behind it would be some cool stuff.

    Anyway, I haven't read the article yet (imagine that), but I'm going to assume that 300 Mbps is LoS between the units? As I said in a post yesterday, the holy grail of wireless is something that works well through trees. Whoever does that, and if they manage to patent it, will have power similar to the One Ring.

    Usurper_ii

    1. Re:LOS issues, WISP by windowsfree · · Score: 1
      I'm going to assume that 300 Mbps is LoS between the units?

      That is what makes OFDM neat. It works well in multipath environments. LOS isn't a requirement.

  47. fixed wireless by sloggo · · Score: 2, Interesting

    I have used fixed wireless as my connection to the internet for over 4 years now. It is a 5mbs link connected to a mountaintop center point about 20 miles away using MMDS technology. I get peak speeds that approach what 3 T-1s would provide at a reasonable monthly fee. Downloads from capable servers provide data at rates of around half a megabyte a second. It is extremely reliable and costs about the same as a cable hookup that would provide only one tenth the speed. For those who say it is not as fast as a fiber hookup, you are correct. However no fiber hookup can compete at these prices (at least not for a while). After the central tower is built the only cost to install is the installation of a pizza box sized antenna on the roof of the home. When compared to the cost of laying fiber to reach homes this is dirt cheap. It is also very reliable - I have experienced about 5 hours of total downtime in over 4 years of use (3 or 4 incidents). I know many cable users that would be happy if they only had 5 hours of downtime in a week. Fixed wireless is a very viable high speed home connection alternative. The main problem with the technology my hookup uses is that line of sight to the central tower is required which makes it a very hard install in the flatter cities. The spread spectrum choice would eliminate that problem. (Mine is microwave based)

  48. RF bandwidth by KB1GHC · · Score: 1

    as an amateur radio operator, i am concerned about what bandwidth they use.

    how much bandwidth does it take, and what what frequencys does it operate on?

    sounds cool though, but theres only a limited amount of RF

    i want some technical information