(WIRELESS High Definition) An in-room wireless technology from the WirelessHD consortium for transmitting uncompressed and lossless high-definition video and other media over short distances between TVs, PCs and handheld devices in the unlicensed 60 GHz frequency range. WirelessHD was initially targeted for audio/video (A/V) with data applications (laptops, printers, etc.) to follow.
WirelessHD (WiHD) founders include SiBEAM, LG, NEC, Panasonic, Sony, Toshiba and Samsung. At 60 GHz, transmission is highly directional; however, in 2007, SiBEAM demonstrated its OmniLink60 CMOS chips which intelligently steer the signal to take advantage of surface areas such as walls and objects in the room using an array of up to 36 antennas on a 1" square surface. WirelessHD radios transmit up to 4 Gbps at 10 meters, with up to 25 Gbps expected in the future. See WiGig and ISM band.
Automatic Redirection
As soon as an obstacle such as a person interrupts a WirelessHD signal, it uses another route to reach the TV; in this example by bouncing off the back wall. Using beamforming techniques, the transmitter is constantly scanning for alternate pathways to the receiver in order to be capable of immediately switching to a different one when necessary (see beamforming). (Image courtesy of WirelessHD, LLC, www.wirelesshd.com)
WirelessHD (WiHD) founders include SiBEAM, LG, NEC, Panasonic, Sony, Toshiba and Samsung. At 60 GHz, transmission is highly directional; however, in 2007, SiBEAM demonstrated its OmniLink60 CMOS chips which intelligently steer the signal to take advantage of surface areas such as walls and objects in the room using an array of up to 36 antennas on a 1" square surface. WirelessHD radios transmit up to 4 Gbps at 10 meters, with up to 25 Gbps expected in the future. See WiGig and ISM band.
Automatic Redirection
As soon as an obstacle such as a person interrupts a WirelessHD signal, it uses another route to reach the TV; in this example by bouncing off the back wall. Using beamforming techniques, the transmitter is constantly scanning for alternate pathways to the receiver in order to be capable of immediately switching to a different one when necessary (see beamforming). (Image courtesy of WirelessHD, LLC, www.wirelesshd.com)
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2009 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- Asus' wireless HDMI streamer coming next month?
- An anonymous tipster provided Engadget with a juicy scoop yesterday regarding the latest attempt to produce a commercially viable wireless HDMI streaming device. Asus is apparently nearly ready to introduce the BR-HD3, a $650 box that can transmit the signal (up to 1080p) from one device...
- Blog posts 2009-10-20
- Belkin cancels FlyWire wireless HD solution while Atlona releases new wireless USB to HDMI adapter
- Sending HD signals through the home wirelessly is one of those Holy Grails that seems to be just outside of the reach of mainstream consumers. One of the slickest-looking solutions that suffered lengthy delays, and from a $1,500 price tag, is Belkin's FlyWire, which used WHDI technologyto beam high-def video...
- Blog posts 2009-07-17
- Wireless HD update: Sony drops price on DMX-WL1 Wireless Video Link, In-Stat says 802.11n Wi-Fi will win
- The wireless transmission of high-def video from the source to an HDTV is still a bit of a Holy Grail, as technologies like Wireless Home Digital Interface WHDI, WirelessHD, and Ultrawideband UWB are struggling to gain any traction. One example: Sony has just slashed the price on its DMX-WL1 Wireless...
- Blog posts 2009-05-05
- Gefen cuts the cord with its ultrawideband wireless HDMI extender
- One of the Holy Grails of home theater setups is being able to have all of your equipment connected without a corresponding rat's nest of cables. We've seen a number of previews of technology that will allow for the wireless transmission of HD signals, though some are still in purgatory...
- Blog posts 2009-03-01
- CES 2009: Flagship Viera plasma is 54" across, 1" deep, wireless-enabled [day 3]
- One more Panasonic announcement. The Panasonic TC-P54Z1 is the company's new flagship Viera model, a 1080p one-inch-thin Z1 plasma. Like the previously mentioned "world's thinnest plasma," this HDTV is NeoPDP, and features WirelessHD technology as an expansion of VIERA Cast functionality: ...
- Blog posts 2009-01-08
- CES 2009: World's thinnest plasma is 8.8mm thick [day 3]
- Panasonic has taken the crown again for world's thinnest plasma with their 1/3-in. thick NeoPDP HDTV: This recently-developed NeoPDP technology has been incorporated into two types of PDPs: a super high-efficiency 42-inch PDP "that achieves triple luminance efficiency while reducing the power consumption...
- Blog posts 2009-01-08
- CES 2009: Panasonic refreshes plasma, LCD line-ups, introduces 3D plasma TV
- As with Internet-connected TVs, everyone seems to be jumping on the 3D bandwagon, with Panasonic leading the way. Along with the usual upgrades to its HDTV lines, it's also showing off its 3D Full HD Plasma Home Theater System, which consists of a 103-inch set and Blu-ray player that can...
- Blog posts 2009-01-08
- Wireless HD standards battle for supremacy
- It's pretty clear that the future for sending high-definition content to HDTVs is wireless, since it eliminates all those cables that everyone is trying to hide behind walls, in home theater cabinetry, or however else they can. But as is often the case with nascent technologies,...
- Blog posts 2008-12-13
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