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GAME-theory-based cross-layer optimization for wireless DS-CDMA visual sensor networks

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2 Author(s)
Lisimachos P. Kondi ; University of Ioannina, Dept. of Computer Science, Greece ; Elizabeth S. Bentley

We propose a game-theory-based cross-layer optimization scheme for wireless Direct Sequence Code Division Multiple Access (DS-CDMA) visual sensor networks. The scheme uses the Nash Bargaining Solution (NBS), which assumes that the nodes negotiate, with the help of a centralized control unit, on how to allocate resources. The NBS takes into account the video quality each node could achieve without making an agreement. The cross-layer optimization scheme determines the source coding rate, channel coding rate, and transmission power for each node. We compare the proposed game-theory-based scheme with competing schemes that minimize the average or maximum distortion among the nodes. Experimental results are presented and conclusions are drawn.

Published in:

2010 IEEE International Conference on Image Processing

Date of Conference:

26-29 Sept. 2010