ultrawideband (uwb) Resources

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Wi-Fi in cable set-top boxes coming (not so soon): Cable TV providers are planning to add wireless to their set-top boxes, according to panelists at a recent Connect event sponsored by Park Associates and the CEA. A report in EE Times say cable companies like Cox Communications are planning to...; Tags: Set-top Box, Set-top, Cox Communications Inc., Wireless LANs, Ultrawideband (UWB), Wi-Fi, Cable, Wireless, Tv & Home Theater, Network Technology, Telecommunications, Personal Technology, Networking, Rik Fairlie; Blog posts 2008-06-30
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
MWC08: Bluetooth SIG creating spec to harness speed of WiFi: I am a big fan of Bluetooth technology and am actually using a Think Outside Bluetooth keyboard to type this article on my new Fujitsu U810 Tablet PC. Blair sent me some big news from the Bluetooth SIG announcing that they are developing a new radio substitution method that will...; Tags: Radio, Architecture, Bluetooth, Ultrawideband (UWB), Wi-Fi, Wireless, Matthew Miller; Blog posts 2008-02-12
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
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., Presentation, Ultrawideband (UWB), WiMAX, Wireless; Presentations 2006-09-27

Host Controller for Certified Wireless USB: This presentation provides an architectural overview of the Wireless Host Controller Interface. It provides an introduction to the UWB Radio Controller URC and provides a detailed walk through of the operation of the WUSB Host Controller WHC.; Tags: Wireless USB, USB, Intel Corp., Ultrawideband (UWB), Wireless, Wi-Fi; Presentations 2006-09-26
Certified Wireless USB: The Time Is Now!: The presentation presents the market opportunity for Certified Wireless USB and technical details of the protocol and features of Certified Wireless USB. It also presents the hardware design considerations for Ultra-Wideband radios. The presentation also provides information on tools and resources available for Certified Wireless USB development and details on...; Tags: Wireless USB, USB, Intel Corp., Presentation, Ultrawideband (UWB), Wireless; Presentations 2006-09-22
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, 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, University Of Oxford, Ultrawideband (UWB), Wireless; 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
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, Ultrawideband (UWB), LANs, Wireless LANs, Wi-Fi, Wireless, Networking; White papers 2006-05-08
Bluetooth Picks WiMedia UWB for High Speed: The Bluetooth Special Interest Group SIG announced that the flavor of ultrawideband wireless called MultiBand Orthogonal Frequency Division Multiplexing (MB-OFDM), backed by the WiMedia Alliance industry group, will be integrated into Bluetooth. The Bluetooth SIG Core Specification Working Group Charter and UWB Feature Requirements Document FRD will commence immediately, but...; Tags: UWB, Jupitermedia Corp., Ultrawideband (UWB), Bluetooth, Wi-Fi, Wireless; White papers 2006-03-29
Precise Timing for Multiband OFDM in a UWB System: Precise positioning is one attractive application of Ultra WideBand UWB systems. Its enormous bandwidth has generated high expectation on the spatial resolution that it could achieve. However, synchronization in the presence of dense multipath is challenging, since the first arrival is not necessarily the strongest one due to channel fading....; Tags: UWB, Positioning, Ultrawideband (UWB), OFDM, Wireless; White papers 2006-03-24
Connection Data Rate Optimization of IEEE 802.15.3 Scatternets With Multi-Rate Carriers: The IEEE 802.15.3 MAC is designed for high data rate Wireless Personal Area Networks WPANs, in which all communications within a piconet work in a peer-to-peer manner. This paper analyzes the link rate distribution of a piconet, and shows that the expected piconet link rate for a UWB based 802.15.3...; Tags: Optimization, P2P, University Of British Columbia, IEEE, Carrier, IEEE 802.15.3 MAC, Ultrawideband (UWB), Peer To Peer (P2P), Wireless, Internet; White papers 2006-03-16
Multiband-OFDM MIMO Coding Framework for UWB Communication Systems: The emerging UltraWideBand UWB system offers a great potential for the design of high speed short-range wireless communications. In order to satisfy the growing demand for higher data rates, one possible solution is to exploit both spatial and multipath diversities via the use of Multiple-Input Multiple-Output MIMO and proper coding...; Tags: UWB, Ultrawideband (UWB), Wireless; White papers 2006-01-01
Use of Cognitive Radio Techniques for OFDM Ultrawideband Coexistence With WiMax: 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. A multiband OFDM receiver can operate as a channelized radiometer to detect emissions from WiMax...; Tags: UWB, Radio, Ultrawideband (UWB), WiMAX, OFDM, Wi-Fi, Wireless; White papers 2005-10-14
On the Design of Robust Multiband OFDM Ultra-Wideband Receivers: This paper analyzes the effects of NarrowBand Interferences NBI on the performance of a Multi-Band Orthogonal Frequency Division Multiplexing (MB-OFDM) Ultra-WideBand UWB receiver and proposes efficient schemes for signal reception and extraction of information in the presence of NBI. A study to assess the effects of NBI on the quantization...; Tags: UWB, Texas A&M University, NBI, Ultrawideband (UWB), Wireless; White papers 2005-10-14
System Design Considerations for Ultra-Wideband Communication: This paper discusses issues associated with high-data-rate pulsed ultra-wideband system design, including the baseband processing, transmitter, antenna, receiver, and analog-to-digital conversion. A modular platform is presented that can be used for developing system specifications and prototyping designs. This prototype modulates data with binary phase shift keyed pulses, communicates over a...; Tags: UWB, Platform, Ultrawideband (UWB), Wireless; White papers 2005-08-01
Space-Frequency Transmit Diversity in Multiband-OFDM Systems: This paper investigates the suitability and performance of space-frequency block coded Multi-Band Orthogonal Frequency Division Multiplexing (MB-OFDM) system under UWB channel model. The employment of transmit diversity techniques based on block codes is expected to achieve enhancement in such systems since it greatly reduces the detrimental effects of multipath fading....; Tags: University Of London, Ultrawideband (UWB), Performance Management, Productivity, Wireless, Human Resources, Workforce Management; White papers 2005-06-08
Performance Evaluation of TCP in an Integrated WPAN and WLAN Environment: Short-range low power radio frequency systems such as Bluetooth and UWB enable the deployment of Wireless Personal Area Networks WPAN. A WPAN can interface to larger networks to provide broader network access and Internet connectivity. This paper evaluates the performance of TCP over an integrated WLAN and WPAN system using...; Tags: Throughput, Performance, Network, Radio Frequency, Window, WLAN, Performance Evaluation, TCP, Tcp/Ip, Construction, Wireless LANs, Wi-Fi, Bluetooth, LANs, Ultrawideband (UWB), Performance Management, Wireless, Networking, Human Resources, Workforce Management; White papers 2005-05-03