Overcome the challenges of IP in wireless networks--Part II Design How-To 8/30/2007 Post a comment Taken from 'IP in Wireless Networks,' this multi-part series will provide a comprehensive understanding of what is required in the IP suite of protocols to enable IP deployment for wireless networks. Part II is a discussion regarding the issues related to addressing in IP wireless networks.
Ultra-low-power DSP design Design How-To 8/30/2007 Post a comment Here's how IMEC built a sub-100uW DSP by tuning its algorithm, processor architecture, and memory system, as well as through clock gating. The article presents detailed power results for each optimization.
The quest for Digital Broadcast Quality: Addressing quality "hot spots" Design How-To 8/29/2007 Post a comment Digital signal processing within digital televisions (DTVs) has advanced significantly, resulting in improved picture and audio quality. The largest gains in the HD video experience will be achieved by improving the A/V source received by the DTV. This white paper examines the quality "hot spots" (degradation points) HDTV may suffer, from the time it is captured to the moment it is experienced by the consumer, and discusses ways of preserving and improving the quality within existing distributio
Overcome the challenges of IP in wireless networks--Part I Design How-To 8/29/2007 Post a comment Taken from 'IP in Wireless Networks,' this multi-part series will provide a comprehensive understanding of what is required in the IP suite of protocols to enable IP deployment for wireless networks. If you plan, develop, deploy, or manage wireless IP networks, you'll find this book an indispensable resource.
Phones, BackPacks, Cheating, and YouTube RF & Microwave Designline Blog 8/29/2007 Post a comment While we take great pride in the latest RF devices that enable communications at lower and lower costs with higher functionality, sometimes there can be some "collateral damage."
The femtocell explosion Blog 8/29/2007 Post a comment There's no doubt that femtocells are a promising technology. Having your very own mobile communications in your home will solve a lot of problems.
Multicarrier WCDMA Feasibility, Part 5 Design How-To 8/29/2007 Post a comment If you are looking to implement a multi-carrier transceiver for WCDMA, then this series of articles is for you. In this final installment, Brad Bannon and Bill Schofield of Analog Devices take an in-depth look at transmit modulation and direct conversion.
Researchers use body heat to power electronics News & Analysis 8/28/2007 Post a comment Researchers have used thermoelectric generators to harness natural body heat to generate electricity and power electronic systems, according to the Fraunhofer Institute for Integrated Circuits IIS (Erlangen, Germany).
NASA confirms Einstein News & Analysis 8/28/2007 Post a comment NASA astronomers have found a new way to perform fundamental physics research on ultra-dense objects like black holes, yielding the latest confirmation of Einstein's theory of relativity.
Symbian expands R&D to China News & Analysis 8/28/2007 Post a comment Operating system vendor Symbian Ltd. has opened another R&D center. The new center, the company's fourth, is located in Beijing. The facility is destined for the continuing development of Symbian OS.
The nuts and bolts of WiMAX--Part VIII Design How-To 8/27/2007 Post a comment So far in Parts I-VII, Chapter 2 of 'Fundamentals of WiMAX' written by Andrews, Ghosh and Muhamed provided an overview description of the WiMAX broadband wireless standard, focusing on the various features, functions, and protocols. Now, in this final segment, we briefly turn to the system performance of WiMAX networks.