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Viterbi译码器ACS单元的一种新设计
A Novel Design of ACS Unit within Viterbi Decoder
【摘要】 通过研究几种高速Viterbi译码器的ACS(加比选)单元的结构,提出一种ACS单元新的设计方法。设计中采用Radix-4网格结构,能提高译码器的吞吐量;而简单的逻辑可以有效降低译码器的资源占用率。
【Abstract】 By studying several structures of the ACS(Add-Compare-Select)Unit, this paper proposes a new method to design ACS Unit. The throughput could be improved by adopting Radix-4 net, and consumption resource could also be reduced due to simple logic structure.
【关键词】 Viterbi译码器;
Radix-4网格结构;
ACS(加比选)单元;
【Key words】 Viterbi decoder; Radix-4 net; ACS(add-compare-select)unit;
【Key words】 Viterbi decoder; Radix-4 net; ACS(add-compare-select)unit;
- 【文献出处】 电视技术 ,Video Engineering , 编辑部邮箱 ,2006年08期
- 【分类号】TN764
- 【被引频次】4
- 【下载频次】105