栅格编码调制在串联Reed-Bolomon系统中的性能研究

Proceeding of 13th IEEE Annual International Phoenix Conference on Computers and Communications Pub Date : 1994-04-12 DOI:10.1109/PCCC.1994.504152

M. Ross, N. Ashley, W. Osborne

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引用次数: 1

摘要

结合栅格码和里德-所罗门(RS)码纠错能力的串联系统已被用于实现卫星通信链路之间和链路上的错误率[1]。对频谱效率的需求促使人们考虑使用Ungerboeck[2,3]编码或Viterbi[4]最近提出的Pragmatic标准来代替速率为1/2编码的四元制信令。在本文中，我们研究了在使用(255,233)RS码的串联系统中使用8-PSK栅格编码调制(TCM)。8-PSK码的使用使频谱效率翻倍，性能成本约为2db。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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On the Performance of Trellis Coded Modulation in a Concatenated Reed-Bolomon Systern

Concatenated systems combining the error correcting power of trellis codes and Reed-Solomon (RS) codes have been used to achieve error rates between and on satelite communications links [l]. The need for spectral efficiency has motivated consideration of of non-binary signalling with Ungerboeck [2,3] codes or the Pragmatic standard recently proposed by Viterbi [4], in place of quaternary signalling with rate 1/2 coding. In this paper we investigates the use of 8-PSK trellis-coded modulation (TCM) in a concatenated system using a (255,233) RS code. The use of the 8-PSK codes doubles the spectral efficiency with a performance cost of approximately 2 dB.

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Proceeding of 13th IEEE Annual International Phoenix Conference on Computers and Communications

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