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Joint source-channel coding/decoding (JSCC/JSCD) techniques in flow media communications have become a state-of-the-art and one of the challenging research subjects in the spatial communication area. They have great application prospective and deep impact in various manned space flights, satellite missions, mobile radio communications and deep-space explorations. In the last few years, there have...
A novel soft-input-soft-output (SISO) a posteriori probability (APP) decoding algorithm for variable-length code (VLC) sequence is presented. This algorithm leads to maximum likelihood (ML) sequence estimation as well as the computation of bit-based reliability values that can be utilized in iterative joint source channel decoding (ISCD). At the same time, the algorithm requires low computational...
Bandwidth efficient turbo coding schemes attract increasing research interest these years, most of these schemes are constructed by non-binary convolutional codes and need to be decoded symbol by symbol instead of bit by bit. In this paper, a modified symbol based SOVA decoding algorithm for non-binary turbo codes is proposed. Using our symbol based SOVA algorithm, soft output information from the...
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