Previous
UWB chips debut with gigabit wireless in sight
News Motorola's semiconductor division, Freescale, has announced availability of its first ultrawideband (UWB) wireless chipsets, with parts to be available to manufacturers by the end of June and consumer products expected by the end of 2004.
[June 7, 2004, 15:45]
UWB backers confident despite company closures
News The WiMedia Alliance is an industry body dedicated to promoting the development of ultrawideband (UWB), which is the basis for emerging technologies such as wireless USB (WUSB), a proposed wireless successor to USB.
[November 6, 2008, 11:04]
UWB Coexistence and Cognitive Radio: How Multiband-OFDM Leads the Way
White Papers The recent history of Ultrawideband communications technology has seen great debate over whether these UWB cause unacceptable interference to existing users of the same and nearby bands. Building on the IEEE 802.15.2 Recommended Practice and the...
[April 11, 2008, 4:01]
UWB standards rivals offer royalty-free technology
News The promise was made by Motorola and XtremeSpectrum, which are backing one of two proposals for a new wireless technology called ultrawideband (UWB), which creates 100-megabits-per-second links between devices.
[October 29, 2003, 16:05]
UWB products to debut despite standards stalemate
News Prototypes of cell phones, high-definition televisions, laptops and wireless access points using UWB, as ultrawideband is more commonly known, should be available commercially by the end of 2005, the manufacturers say.
[January 6, 2005, 9:00]
UWB companies Staccato and Artimi merge
Blog It's a bit odd to see consolidation in the UWB market this early on in the game, but not that surprising given the current economic climate. Some are saying this spells the end for UWB, the technology underlying Wireless USB (WUSB) and other...
[November 24, 2008, 15:25]
Lenovo to bring UWB laptops to Europe next year
News The manufacturer has previously brought out notebooks — last year's T61 and T61p machines — that use ultrawideband (UWB), but not in the Europe, Middle East and Africa (EMEA) region. Lenovo is progressing to get UWB added to selected notebooks...
[August 27, 2008, 15:20]
Performance Analysis and Range Improvement in Multiband-OFDM UWB Communications
White Papers The performance of multiband-OFDM UWB systems is analyzed using the S-V indoor channel model. Based on the analysis, two methods are proposed to improve the reliable transmission range of UWB devices by exploiting the rich spectral and spatial...
[April 13, 2007, 1:01]
Multiband-OFDM MIMO Coding Framework for UWB Communication Systems
White Papers The emerging UltraWideBand (UWB) system offers a great potential for the design of high speed short-range wireless communications. This paper proposes a general framework to analyze the performance of multiband UWB-MIMO systems regardless of...
[April 13, 2007, 1:01]
On the Relation Between Bandwidth and Robustness of UWB Channel in Complex Confined Areas
White Papers Ultra-Wideband (UWB) communication has been the subject of extensive research in recent years due to its unique capabilities and potential applications, particularly in short-range multiple access wireless communications.
[July 8, 2008, 1:01]
Design of a Multiband OFDM System for Realistic UWB Channel Environments
White Papers There are many differences between real-world behavior of narrow-band and UWB systems. The large bandwidth of UWB waveforms, instead, significantly increases the ability of the RX to resolve the different reflections in the channel.
[July 25, 2007, 3:36]
An Integer-N Frequency Synthesizer Applied to MB-OFDM UWB 5th Band Group
White Papers This paper discusses an integer-N frequency synthesizer operated at 10 GHz around the MB-OFDM UWB system 5th band group with only 1.5V supply voltage which owns a varying frequency ranging from 9.29 GHz to 10.9 GHz and delivers -5:9dBm output power.
[April 11, 2007, 1:01]
From Mesh to UWB: Untangling the wireless future
News In the future, Greene says, this type of seamless roaming will be extended not just across Wi-Fi services, but also networks using anything from WiMax in the city and UWB in the home. In the next few years, the arrival of services such as...
[April 16, 2004, 12:35]
Working UWB? Yes please, Pulse-LINK
Blog This idiosyncratic Californian company has been active in developing UWB since the beginning of the century: unlike virtually everyone else in the business, it's avoided joining the various consortia which have battled away for supremacy in the...
[December 13, 2007, 16:53]
Precise Timing for Multiband OFDM in a UWB System
White Papers Precise positioning is one attractive application of Ultra WideBand (UWB) systems. This paper addresses practical synchronization algorithms for multiband OFDM UWB transmission, and analyze the performance of a Maximum Likelihood (ML) joint timing...
[April 13, 2007, 1:01]
Dialogue Box 6.3: Whatever happened to UWB?
Video It should have provided high-speed, low-power wireless connectivity for homes and offices everywhere. But instead of more products you can shake a stick at, all UltraWideBand has to show for itself to date is a French USB stick you can shake.
[May 8, 2009, 16:54]
Use of Cognitive Radio Techniques for OFDM Ultrawideband Coexistence With WiMax
White Papers This paper explores the issues in coexistence between Broadband Fixed Wireless Access, also know as WiMax or 802.16e, and Ultrawideband (UWB), specifically the multiband OFDM form of UWB as promoted by the WiMedia trade group.
[April 13, 2007, 1:01]
Ultrawideband - nice words, shame about the action
Talkback This article is completely off-base and portraits more of a pro-socialist political rant than a critical review of UWB. The success or failure of UWB by use of spectrum has little to do with free markets or capitalism.
[June 1, 2005, 4:20]
Ultrawideband standards split deepens
News Hopes are fading that the next generation of wireless networking, based on ultrawideband (UWB) technology, will be based on a single standard. UWB is seen as a key near-future technology for wirelessly linking video, audio and other consumer...
[March 17, 2004, 13:30]
Rupert Goodwins' Diary
Blog UWB is going to be a hot topic. Some, like satellite navigation and aeronautical safety and guidance, use very low levels of power indeed, and the worry that a UWB-equipped laptop will cause dangerous interference is hardly unreasonable.
[September 5, 2002, 16:58]
