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Future wireless networks could be powered by "smart lighting"

By | October 7, 2008, 6:17am PDT

Summary: A light bulb went off in the head of researchers at Boston University about a new wireless networking technology, which was very appropriate considering that it involves, well, light bulbs. The Smart Lighting Engineering Research Center has been created to develop technology that would allow low-powered LED lights to transmit data to other devices. Such a [...]

Smart Lighting LED Wi-Fi

A light bulb went off in the head of researchers at Boston University about a new wireless networking technology, which was very appropriate considering that it involves, well, light bulbs. The Smart Lighting Engineering Research Center has been created to develop technology that would allow low-powered LED lights to transmit data to other devices.

Such a network could be a boon for home automation, since you could just replace existing lighting with new LED bulbs instead of having to outfit your house with new communications equipment. There are a couple of caveats, though, that mean this network won’t be replacing your radio-based Wi-Fi one for many duties. For one thing, because light can’t travel through walls and other obstacles, its range is extremely limited. Its throughput is also limited by today’s standards, offering data rates between 1Mbps and 10Mbps, or what roughly what 802.11b networks can pump out.

And don’t go tossing out your light bulbs just yet. According to the center, this new networking technology probably won’t be available for another 10 years.

[Via TrendRadar UK]

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Sean Portnoy

http://blogs.zdnet.com/soho-networking/?page_id=243

Biography

Sean Portnoy

Sean Portnoy started his tech writing career at ZDNet nearly a decade ago. He then spent several years as an editor at Computer Shopper magazine, most recently serving as online executive editor. He received a B.A. from Brown University and an M.A. from the University of Southern California.
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RE: Future wireless networks could be powered by
dusty_reed@... 11th Oct 2008
Wile light may not go thru walls, wire linked panels could spread the information to other rooms. This would reduce the electromagnetic noise in a house and move it to other frequencies. If the house itself can be a network, then many control scenarios become possible for the house systems. The thruput inside at wifi rates is no problem to communicating for any devices necessary.
Imagine an outdoor cellular to inside light repeater, with the phone equipped for light reception and transmission. This could clean up poor cellular reception inside buildings.
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No not really..
JT82 7th Oct 2008
As interesting as the technology sounds - it wont fly, until they get the data rates up. Even though the technology seems to be off for another 10 years - we'll still have radio communications for many, MANY years after that.
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I must agree, it certainly sounds like fun to play with but this technology will not be replacing our current wireless networks. Surely there will be applications for this kind of technology, but I don't think its the direction they're currently looking
This doesnt mean i still wont have a wired system.. but why not use wimax to fill the house with anywhere access. yea sure maybe one or two aps works in a smaller home, but once you get to 3000+ sq ft... you need more power.
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Wile light may not go thru walls, wire linked panels could spread the information to other rooms. This would reduce the electromagnetic noise in a house and move it to other frequencies. If the house itself can be a network, then many control scenarios become possible for the house systems. The thruput inside at wifi rates is no problem to communicating for any devices necessary.
Imagine an outdoor cellular to inside light repeater, with the phone equipped for light reception and transmission. This could clean up poor cellular reception inside buildings.

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