符号软判决维特比译码
首发时间:2013-11-29
摘要:介绍符号软判决维特比译码原理,分析其性能,将其与传统软判决维特比译码对比并进行了仿真,符号软判决维特比译码误码率稍高于传统软判决维特比译码,但由于其成本低,仍有很好的可行性。
关键词: 软判决维特比译码 符号软判决维特比译码 硬判决维特比译码 QPSK
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soft decision Viterbi decoding based on scalar signal
Abstract:Introduce the principle of symbol soft decision Viterbi decoding algorithm, analyze its performance compared with the traditional soft decision Viterbi decoding algorithm. From the result of simulation ,we can see that the former has a very little disadvantage than the latter. While the former can reduce the cost and boost efficiency, leading to a high performance/price ratio.
Keywords: Hard Decision Viterbi Decoding Algorithm Soft Decision Viterbi Decoding Algorithm QPSK Symbol Soft Decision Viterbi Decoding Algorithm Quantization
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