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ZDNet Dictionary Definition
- UWB
- (Ultra-WideBand) A wireless technology that uses less power and provides higher speed than 802.11 Wi-Fi networks or first-generation Bluetooth products. UWB is expected to provide wireless video transmission...
- Full UWB Definition >>
ZDNet Resources
- 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...
- Tags: UWB, Sony Corp., IEEE 802.11n, Video, Wireless, Market Research In-Stat, Amimon, Ultrawideband (UWB), Wi-Fi, Corporate Communications, Wireless And Mobility, Marketing, Sean Portnoy
- Blog posts 2009-05-05
- Gefen cuts the cord with its ultrawideband wireless HDMI extender
- Gefen cuts the cord with its ultrawideband wireless HDMI extenderThe problem with this introduction ...... is that the chipset provider Tzero just went under. This is dead in the water.The REAL problem is thatanything using RF technology is going to be disrupted by RFI. Why would I want to...
- Tags: Ultrawideband (UWB), Chipsets, Gefen, HDMI Extender, Tzero, ultrawideband wireless, UWB, HDMI
- Discussion threads 2009-03-01
- 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...
- Tags: UWB, HDMI, Cable, Wireless, Gefen, Ultrawideband (UWB), Home Entertainment, Wireless And Mobility, Personal Technology, Sean Portnoy
- Blog posts 2009-03-01
- Passive Ultrawide Bandwidth RFID
- UltraWide Bandwidth UWB technology is a promising solution for next generation RadioFrequency Identification RFID systems to overcome most of the main limitations of current RFID systems such as very short operating range, insufficient ranging resolution for accurate localization, sensitivity to interference and scarce multiple access capability. In this paper, the...
- Tags: UWB, Bandwidth, University Of Bologna, RFID, Ultrawideband (UWB), Wireless And Mobility, Security, Biometrics
- White papers 2008-08-14
- Design of a Data Recovery Block for Communications Over Power Distribution Networks of Microprocessors
- This paper proposed the use of Power Distribution Network PDN of a microprocessor for ubiquitous access of internal nodes for test/debug and showed the suitability of impulse Ultra-WideBand UWB communications for the purpose. This paper presents design of a data recovery block to recover data from UWB impulses superposed on...
- Tags: UWB, Data Recovery, Network, Microprocessor, Ultrawideband (UWB), Storage Management, Semiconductors, Databases, Processors, Wireless, Storage, Hardware, Enterprise Software, Software, Data Management, Components
- White papers 2008-06-18
- Convergence Analysis of Iteratively Detected Time Hopping and DS-CDMA Ultrawide Bandwidth Systems by EXIT Charts
- This paper presents a novel analysis on the decoding convergence of Time Hopping TH and Direct Sequence DS Code-Division Multiple-Access CDMA Ultrawide Bandwidth UWB systems when communicating over multipath Nakagami channels. The analysis is based on the Extrinsic Information Transfer EXIT chart where the UWB systems are serially concatenated pulse-position...
- Tags: UWB, Analysis, Convergence, Ultrawideband (UWB), Wireless
- White papers 2008-04-15
- Routing Protocols for Ultra-Wideband Mobile Ad Hoc Networks
- The major goal of this research is to establish efficient routing protocols for UWB MANETs in a factory environment by developing two main routing mechanisms: route discovery and route maintenance. To do so, two basic considerations are taken into account. Firstly, the paper considers a PHY layer model that uses...
- Tags: UWB, Routing Protocol, Leibniz Universitaet Hannover, Ultrawideband (UWB), Wireless And Mobility
- White papers 2008-04-12
- 400 mln ultrawideband devices to ship by 2013
- ABI Research says shipments of UWB-enabled devices will grow from virtually nil today, to more than 400 mln in 2013. by AM
- Tags: UWB, Ultrawideband (UWB), Wireless, AM
- Blog posts 2008-03-26
- WUSB Security and Threats: A Survey and a Discussion
- Over the past decade, wireless communication has become an integral part of one's everyday lives and Ultra-Wideband will only accelerate this trend. The technology is well suited for a variety of use cases in everybody's life such as home entertainment system, instantaneous synchronization and file transfer. Wireless USB is an...
- Tags: UWB, Survey, Ultrawideband (UWB), Home Entertainment, Wireless And Mobility, Personal Technology
- White papers 2007-10-09
- Ultra High-Speed and Ultra Low-Noise InP HEMTs
- InP-based High Electron Mobility Transistors InP HEMTs exhibit a record current-gain cutoff frequency of beyond 500 GHz and an ultra low noise figure of less than 2 dB even at 100 GHz. Consequently, they are regarded as key devices for next-generation wired/wireless communication systems and precision sensors. This paper describes...
- Tags: UWB, Sensor, Fujitsu Ltd., Ultrawideband (UWB), Wireless
- White papers 2007-10-01
- On the Relation Between Bandwidth and Robustness of UWB Channel in Complex Confined Areas
- 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. However, many important aspects of UWB-based communication systems have not yet been thoroughly investigated. The propagation of UWB signals is the single...
- Tags: UWB, Bandwidth, Universite Laval, Ultrawideband (UWB), Wireless
- White papers 2007-07-28
- Analysis of the Impact of WiMAX-OFDM Interference on Multiband OFDM
- This paper presents an analysis of the performance of the Multiband Orthogonal Frequency Division Multiplexing (MB-OFDM) system for Ultra WideBand UWB communication in the presence of interference from an IEEE 802.16 WiMAXOFDM system operating in the 3.5 GHz band. Recent work (Hu & Beaulieu, IEEE Trans. Commun., Oct. 2006) has...
- Tags: UWB, Approximation, University Of British Columbia, Analysis, Ultrawideband (UWB), Wireless And Mobility
- White papers 2007-07-17
- An OFDM-CDMA Scheme for High Data Rate UWB Applications
- This paper investigates a new waveform for UWB systems obtained by the combination of Orthogonal Frequency Division Multiplex OFDM and Code Division Multiple Access CDMA. The proposed system, called Spread Spectrum - Multi-Carrier - Multiple Access (SS-MC-MA) turns out to be a judicious solution to combat frequency selectivity and narrowband...
- Tags: UWB, Telecommunications, Narrowband, Ultrawideband (UWB), Telephony, Wireless And Mobility, Networking
- White papers 2007-05-03
- Ultrawideband Wireless Solutions
- The presentation provides an overview of Ultrawidband usage model and technologies and provides technical solutions to coexistence with WiMAX and WiFi on mobile platforms. It also provides an update on Intel Ultrawideband technology roadmap.
- Tags: UWB, Mobile, Intel Corp., Ultrawideband (UWB), WiMAX, Wireless
- Presentations 2006-09-27
- High-Resolution Ultrawideband SAR Based on OFDM Architecture
- This white paper addresses the proposal of research aimed at the development of detailed model-based description of high-resolution potentially jamming-resistant portable Synthetic Aperture Radar SAR system with rapid radar image transmission capabilities for complete battle-scene reconstruction. High resolution of obtained imagery and resistivity to certain types of jamming will be...
- Tags: UWB, High-resolution, Transceiver, University Of Miami, OFDM, Ultrawideband (UWB), Wireless
- White papers 2006-08-22
- Concatenated RS-Convolutional Codes for Ultrawideband Multiband-OFDM
- This paper investigates the performance of concatenated Reed Solomon and convolutional RSconvolutional codes for UltraWideBand UWB MultiBand Orthogonal Frequency Division Multiplexing (MB-OFDM) systems. This paper show that RS-convolutional codes perform better than single codes at high energy-per-bit to noise ratio (Eb/No). The paper also show that using a bit interleaver...
- Tags: UWB, Ultrawideband (UWB), Wireless And Mobility
- White papers 2006-07-09
- Performance Analysis and Range Improvement in Multiband-OFDM UWB Communications
- 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 diversity available in the system. It is shown both by theory and...
- Tags: UWB, Performance, IEEE, Ultrawideband (UWB), Performance Management, Productivity, Wireless, Human Resources, Workforce Management
- White papers 2006-06-09
- Faster networks, please
- Faster networks, pleaseYou got some other problems Ed.UWB is great for in-room stuff, but no way can it be as good as a wire. You have some other problems Ed. Even HDV streams the kind coming from a camcorder only use 28 mbps. A stabil 100 mbps...
- Tags: Routers & switches, Network technology, NETWORKING, UWB, D-Link Systems, router, network, gigabit switch, gigabit network
- Discussion threads 2006-05-30
- Faster networks, please
- You can’t be too rich or too thin, or have a network that’s too fast. I struggled over the weekend trying to tweak the performance of an Xbox 360 connected to a PC running the new Media Center software in Windows Vista. (I’ll have a closer look at Vista Media...
- Tags: Media Center PC, network, UWB
- Blog posts 2006-05-30
- Analysis and Practical Comparison of Wireless LAN and Ultra-Wideband Technologies for Advanced Localization
- In this paper the authors compare the capabilities of Wireless LAN and Ultra-Wideband to enable advanced localization systems. The two technologies are compared regarding their suitability towards time-delay-estimation by theoretical bounds as well as by means of practical time-of-flight range estimation in Line-Of-Sight LOS and Non-Line-Of-Sight NLOS conditions in an...
- Tags: UWB, WLAN, Analysis, University Of Klagenfurt, Ultrawideband (UWB), LANs, Wireless LANs, Wi-Fi, Wireless, Networking
- White papers 2006-05-08
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