A memory-reduced log-MAP kernel for turbo decoder

  title={A memory-reduced log-MAP kernel for turbo decoder},
  author={Tsung-Han Tsai and Cheng-Hung Lin and An-Yeu Wu},
  journal={2005 IEEE International Symposium on Circuits and Systems},
  pages={1032-1035 Vol. 2}
Generally, the log-MAP kernel of the turbo decoding consumes large memories in hardware implementation. In this paper, we propose a new log-MAP kernel to reduce memory usage. The comparison result shows our proposed architecture can reduce the memory size to 26% of the classical architecture. We also simplify the memory data access in this kernel design without extra address generators. For the 3GPP standard, a prototyping chip of the turbo decoder is implemented to verify the proposed memory… CONTINUE READING
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