Distortion Outage Probability in MIMO Block-Fading Channels

Details Distortion Outage Probability in MIMO Block-Fading Channels Distortion Outage Probability in MIMO Block-Fading Channels

2010-06-08

arxiv.org/abs/1006.1435v1

Computer Science

Information Theory

5 pages, 4 figures, Accepted, 2010 IEEE International Symposium on Information Theory (ISIT 2010)

Scientific paper

We study analogue source transmission over MIMO block-fading channels with receiver-only channel state information. Unlike previous work which considers the end-to-end expected distortion as a figure of merit, we study the distortion outage probability. We first consider the well known transmitter informed bound, which yields a benchmark lower bound to the distortion outage probability of any coding scheme. We next compare the results with source-channel separation. The key difference from the expected distortion approach is that if the channel code rate is chosen appropriately, source-channel separation can not only achieve the same diversity exponent, but also the same distortion outage probability as the transmitter informed lower bound.

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