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本通信介绍的内容是用在实际信道上的硬判定编码增益。这里描述一种基于模拟的方法。借助这种方法可以直接确定编码系统的特性(BER)曲线。实际信亨道(即讨论的降级信道)的编码增益和理想信道的编码增益比较起来,后一种信道的渐近编码增益的计算公式可扩充到降级信道。感后将扼要地讨论多跳系统的编码增益问题。
This communication describes the hard-decision encoding gain used on the actual channel. Here’s a simulation-based approach. With this method, the coding system characteristic (BER) curve can be directly determined. The coding gain of the actual channel (ie, the degraded channel in question) is compared to the coding gain of the ideal channel, and the formula for calculating the asymptotic coding gain of the latter channel can be extended to the degraded channel. Sense will be briefly discussed after the multi-hop coding system gain issues.