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In this paper, a low-power design of Viterbi decoders has been proposed based on a novel survivor path trace mechanism. By incorporating the dynamic multiple path convergence scheme, the survivor path can be determined at earlier stage such that the overall survivor memory access can be reduced. The experimental results show that the average memory reference can be reduced up to more than 30% for...
Because of its excellent bit-error-rate performance, the low-density parity-check (LDPC) algorithm is gaining increased attention in communication standards and literature. The new digital video broadcast via satellite standard (DVB-S2) is the first broadcast standard to include a LDPC-code, and the first implementations are available. In our investigation of generic LDPC-implementations we found...
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