Title :
Low-power signal processing system design for wireless applications
Author :
Meng, Teresa H. ; Hung, Andy C. ; Tsern, Ely K. ; Gordon, Ben M.
Author_Institution :
Dept. of Electr. Eng., Stanford Univ., CA, USA
fDate :
6/1/1998 12:00:00 AM
Abstract :
Our 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 focuses 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
Keywords :
CMOS digital integrated circuits; digital signal processing chips; integrated circuit design; interactive television; mobile communication; vector quantisation; video codecs; circuit design; compression efficiency; error tolerance; low-power signal processing system design; low-power video compression/decompression system; multimedia data; portable video-on-demand system; wireless applications; Circuit synthesis; Communication industry; Communication standards; Power supplies; Signal design; Signal processing; Signal processing algorithms; Video compression; Video signal processing; Wireless communication;
Journal_Title :
Personal Communications, IEEE
