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USB Going Wireless
NathanJ writes "Device Forge is running a technical whitepaper on wireless USB. The article states that 'Already there has been some progress with the definition of a WUSB specification with a targeted bandwidth of 480 Mbps. This specification maintains the same usage and architecture as wired USB with a high-speed host-to-device connection.' And that 'the WUSB host can logically connect 127 WUSB devices.' So what am I going to do with my Bluetooth desktop?"
Update Holy Deja vu batman... here is an earlier Slashdot article that I missed from 3 weeks ago. Oops.
I don't see it that way. Bluetooth is a great technology. It's slow speed do limit it's applications, but for you mouse and your keyboard and syncing up your cell phone and such, it works great and there is no reason to replace it. It is also low power, isn't it?
WUSB on the other hand is FAST. It seems like a waste to use it for a keyboard or mouse. That said, it will work great in those areas where BT is too slow. Wouldn't it be great to set your iPod next to your laptop and have it sync up all the songs in a few seconds? Or to print wirelessly (BT does this, but if you wanted to print a photo it would be slooooooowwwwww). Want a new hard drive? Set it next to your computer and it works. Same thing with that new camera you got that has WUSB. Just keep it near your PC and you can get your pictures with no wires. How about a wireless soundcard? Or even a (he he he) wireless USB wireless network adaptor! The idea of having a flash key thing built into your watch is nice, but imagine if it was WUSB! Just walk up to any computer and thanks to WUSB you have access to the files that are on your wrist without any cables or anything else (after a password for security or something, of course).
And because WUSB supports limited P2P stuff (IIRC), you could move your iPod next to your WUSB hard drive and have them sync without the computer (after all, all the data is in the iTunes database files) or have your camera download the pictures to your hard drive, or print your pictures without a computer or wires. For things needing high bandwidth, WUSB is the way to go. For many other things, BT is still great.
Now you can find many of those things I listed above with BT right now. There are BT printers, a BT camera,, and more. But while BT works for low bandwidth things, trying to move pictures from a camera to your PC through BT is supposed to be agonizingly slow. I wouldn't want to print 5MP photos over BT either.
I think there is room for both. It's if BT speeds up fast enough in time that we could be in for a fight. Otherwise I think they serve different enough markets that things will be OK.
Comment forecast: Bits of genius surrounded by a sea of mediocrity.
More than my PC. Really, there aren't many external devices I have for my PC that don't require power and a rather easily managed cable thanks to convenient hubs.
What I *do* need is an easier time with my A/V setup. Swapping out components is bad but adding anything new is nightmarish. Deciding which devices should be analog, S-Video, optical, or digital coax is mind numbing. I'd hoped I could firewire everything together but that hasn't happened either, darn it.
Give me a receiver, DVD player, Tivo, consoles, TVs and speakers with WUSB and I'll be happy. Plug the buggers into a power strip and watch as magic happens and everything chats. Sure, It'll probably need a PAN ID of somesort to limit bleed between setups but dang, it'd make it so much easier to drop a DVD changer and another console or 3 into the setup.
I've been on slashdot so long I'm starting to get out of touch with the cool stuff if it ain't on slashdot.
OK, unless I'm totally stupid, lots more devices available support Bluetooth than support Wireless USB.
Will it be better supported tomorrow? Who knows. What I do know is that any time device interconnection standards become balkanized, computer users lose.
Why yes, I AM a rocket scientist!
In my opinion, Bluetooth has failed because it is trying to be a wireless USB. Got a USB keyboard or mouse? There's a Bluetooth wireless alternative. But that is not where Bluetooth excels.
The real power behind Bluetooth is the ability to participate in dynamic short range ad-hoc networks. Walk into a Starbucks and place/pay for an order via Bluetooth. Want to know where the heck you are? Query the nearest Bluetooth enabled milepost. Need to print a map? Send it to the nearest Bluetooth printing kiosk.
Of course you can't do any of these things today. Why not? Because everyone only sees it (Bluetooth) as a wireless USB! (What's dynamic or ad-hoc about a keyboard for kris-sake?).
So I say... bring on wireless USB, let it take its proper role and then maybe we can use Bluetooth they way it was intended.
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