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Optimal Rate and Power Allocation for Layered Transmission with Superposition Coding
Snowbird, Utah March 27-March 29
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/DCC.2007.632007 Data Compression Conference (DCC ...
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Farzad Etemadi, University of California, Irvine
Hamid Jafarkhani, University of California, Irvine
We consider the problem of transmitting an analog source over a quasi-static fading channel. This problem is motivated by the recent demand for multimedia content over wireless channels. The goal is to minimize the expected distortion of the received signal. Over slowly fading channels, the delay sensitivity of multimedia applications limits channel coding to a single fading realization. Due to the non-ergodicity of the channel, Shannon?s separation theorem does not hold and a joint source-channel coding approach is more appropriate. When no channel state information is available at the transmitter, a multiple-antenna fading channel with either one receive or one transmit antenna can be modeled as a degraded broadcast channel where each channel realization corresponds to a user.
Citation:
Farzad Etemadi, Hamid Jafarkhani, "Optimal Rate and Power Allocation for Layered Transmission with Superposition Coding," dcc, pp.380, 2007 Data Compression Conference (DCC'07), 2007
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