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The design of multi-Gbps LDPC decoder has become a hot topic in recent years as the demand of the transformation towards 4G. In this paper, we describe an energy efficient multi-Gbps LDPC decoder engine based on ASIP using Target tool suite. The ASIP core can be configured as half-layer paralleled or quarter-layer paralleled decoding, which offers a good trade-off between the throughput and power/area...
When combined with advanced FEC techniques such as the turbo code and LDPC code, soft-output MIMO sphere decoders significantly outperform hard-output sphere decoders. Hence, algorithms and implementations of soft-output sphere decoders have attracted intensive interest in recent years. Practical soft-output sphere decoder implementations often consist of a list generator and a LLR generator. Most...
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