衰落信道下BPSK SFH/SSMA通信的编码

MILCOM 1982 - IEEE Military Communications Conference - Progress in Spread Spectrum Communications Pub Date : 1982-10-01 DOI:10.1109/MILCOM.1982.4805984

E. Geraniotis

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引用次数: 3

摘要

研究了非选择性衰落信道下异步慢跳频(SFH)扩频多址(SSMA)通信性能。采用二相移键控(BPSK)调制和相干解调。首先给出了非编码系统的平均误码概率的界和近似。然后比较了卷积码和Reed-Solomon码等各种纠错编码方案在有无信道监控的情况下的性能。研究表明，错误控制编码，特别是里德-所罗门码的使用，可以中和信道衰落，提高SFH/SSMA系统的多址能力。

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Coding for BPSK SFH/SSMA Communications over Fading Channels

The preformance of asynchronous slow-frequency-hopped (SFH) spread-spectrum multiple-access (SSMA) communications over nonselective fading channels is examined. Binary phase-shift-keying (BPSK) modulation with coherent demodulation is employed. Bounds and approximations on the average bit error probability are first obtained for uncoded systems. Then the performance of various error-control coding schemes such as convolutional codes and Reed-Solomon codes with and without channel monitoring is compared. It is shown that error-control coding, in particular the use of Reed-Solomon codes, neutralizes channel fading and increases the multiple-access capability of SFH/SSMA systems.

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MILCOM 1982 - IEEE Military Communications Conference - Progress in Spread Spectrum Communications

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