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Low-power signal processing system design for wireless applications

作     者:Meng, TH Hung, AC Tsern, EK Gordon, BM 

作者机构:Stanford Univ Dept Elect Engn Stanford CA 94305 USA Chromat Res Inc Sunnyvale CA USA Rambus Inc Mountain View CA USA Silicon Real Federal Way WA USA 

出 版 物:《IEEE PERSONAL COMMUNICATIONS》 (IEEE Pers Commun)

年 卷 期:1998年第5卷第3期

页      面:20-31页

核心收录:

基  金:Defense Advanced Research Projects Agency  DARPA 

主  题:Signal processing Signal processing algorithms Video compression Power supplies Signal design Video signal processing Circuit synthesis Communication industry Communication standards Wireless communication 

摘      要:Our present ability to work with most multimedia data has been confined to a wired environment, requiring both the data source and the receiver to be physically connected to a power supply and a wired communication link. This article describes the design principles applicable to wireless signal processing systems, using a portable video-on-demand system as an example. The discussion will focus on both the algorithm and circuit design techniques developed for implementing a low-power video compression/decompression system at power levels that are two orders of magnitude below existing solutions. This low-power video compression system not only provides a compression efficiency similar to industry standards, but also maintains a high degree of error tolerance to guard against the transmission errors often encountered in wireless communication.

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