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Analysis of MFSK frequency-hopped spread-spectrum multiple-access over a Rayleigh fading channel

机译:瑞利衰落信道上的MFSK跳频扩频多址分析

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摘要

An explicit expression for the symbol error probability for a system using frequency-hopped spread-spectrum multiple-access with M-ary frequency shift keying (M-ary FSK) is given when the channel is undergoing Rayleigh fading. Using this expression, the performance of binary BCH codes, nonbinary BCH codes and RS codes are compared, and the best choices of code and modulation format are determined for different channel conditions. Depending on the required codeword error probability, different choices of code and modulation format are found to give the best result. Some attention is also paid to the sometimes used assumption of a noiseless channel, which in many cases is found to give inaccurate results.
机译:当信道经历瑞利衰落时,给出了使用带有M级频移键控(Mary FSK)的跳频扩频多路访问的系统的符号错误概率的明确表达式。使用该表达式,可以比较二进制BCH码,非二进制BCH码和RS码的性能,并针对不同的信道条件确定最佳的代码选择和调制格式。根据所需的码字错误概率,可以找到不同的代码和调制格式选择以提供最佳结果。还应注意有时使用的无噪声信道假设,在许多情况下,该假设会得出不准确的结果。

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