Abstract

In this paper a framework of a wireless spread spectrum video system has been proposed. Because the energy supply in the wireless systems is limited, the power consumption of the systems must be reduced. Consequently the design principles for low-power wireless video systems are introduced at first. Wireless video systems have many requirements on encoding/decoding. And MPEG-4 standard is just suitable for the systems by reason of its high compression efficiency and outstanding performance. Thus the video information can be transmitted at a very low bit rate over the wireless channels. Given the advantages of the spread spectrum system, we also introduced spread spectrum into the wireless video systems and gave a framework of wireless spread spectrum video system.

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