ultrawideband (uwb)

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Certified Wireless USB: It's the Wave of the Future

In this webcast you will learn about Certified Wireless USB, the first application of WiMedia's Ultra-Wideband UWC common radio-platform along with an overview of the technical components for Certified Wireless and a roadmap of future milestones.

Tags: Wireless USB, USB, Intel Corp., Ultrawideband (UWB), Wireless

Webcasts

Bluetooth in Action

In the United States, Bluetooth gets absolutely no respect. It is however, becoming more and more common in notebooks, PDAs, and especially cell phones. Bluetooth will provide wireless users a way to transmit small amounts of data over short distances. Now, Bluetooth is facing stiff competition from new wireless technology....

Tags: Bluetooth, Ultrawideband (UWB), Wi-Fi, Wireless

White papers

Scale-Lag Diversity Reception in Mobile Wideband Channels

This paper considers the effect of mobility on a wideband Direct Sequence Spread Spectrum DSSS communication system, and study a scale-lag Rake receiver capable of leveraging the diversity that results from mobility. A wideband signal has a large bandwidth-to center frequency ratio, such that the typical narrowband Doppler spread assumptions...

Tags: UWB, Channel, Mobile, Radio Frequency, Ohio State University, Ultrawideband (UWB), Advertising & Promotion, Network Technology, Wireless, Marketing, Networking

White papers

Fixed-Point Modeling Using Simulink & the Signal Processing Blockset (UWB)

Simulink, when combined with the Signal Processing Blockset, enables engineers to quickly and effectively create bit-accurate product-level and algorithm-level specifications. This webinar will explore finite word length effects on system performance and other design trade-offs when moving from floating-point to fixed-point data types. Using an application example based on the...

Tags: UWB, Signal Processing, MathWorks, Ultrawideband (UWB), Wireless

Webcasts

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

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

Sony develops tech for wireless data transfer at 560 Mbps

TransferJet, the close proximity wireless transfer technology developed by Sony, will enable a high data transfer rate between mobile devices. A snippet from EE Times: Ko Togashi, deputy general manager of Sony's network software development dept., told E.E.Times, "We reversed the basic principle in which this...

Tags: Sony Corp., Mbps, Ultrawideband (UWB), Wi-Fi, Wireless, Arun Radhakrishnan

Blog posts 2008-01-07

Pulse~LINK announces 890 Mbps UWB

One of the entrants in the wireless HD technology race, Pulse~LINK, has announced a new ultra-wideband chipset that it claims can deliver up to 890 Mbps of sustained throughput. Pulse~LINK explains that the glaring performance gap between its own product and that of its competitors came about...

Tags: Performance, Mbps, Pulse LINK, Ultrawideband (UWB), Performance Management, Wireless, Human Resources, Workforce Management, Paul Mah

Blog posts 2007-12-15

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