Abstract
AbstractSource coding and channel coding are the hot research parts in information theory. The source channel separation system cannot take full advantage of the correlation between source and channel. The performance of the joint source-channel coding (JSCC) system can be improved by using the redundant information of the source and this system is more suitable for future continuous error-free communication needs. In recent years, many applications require error-free transmission with low latency. Due to the special structure of parity check matrices (PCM), spatially coupled low-density parity-check (SC-LDPC) codes can adopt the sliding window decoding (SWD) algorithm to have the characteristics of low delay and ensure continuous error-free transmission in streaming media applications. Simulation results show that both spreading factor and window size affect decoding performance. This paper reviews the design of the sliding-window decoding algorithm in additive white Gaussian noise (AWGN) channel based on SC-LDPC codes and prospects future work.KeywordsJoint source-channel codingSpatially coupled low-density parity-check codesSliding window decoding
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