测控链路中存在脉冲干扰时信道码的比较

2014 7th Advanced Satellite Multimedia Systems Conference and the 13th Signal Processing for Space Communications Workshop (ASMS/SPSC) Pub Date : 2014-10-23 DOI:10.1109/ASMS-SPSC.2014.6934540

P. Martinelli, E. Cianca, L. Simone

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引用次数: 7

摘要

本文比较了不同的信道编码方案，如美国宇航局提出的用于TC应用的短低密度奇偶校验(LDPC)和里德·所罗门(RS)编码，在脉冲干扰器存在的情况下会导致突发错误。考虑脉冲干扰器引起的周跳，生成了脉冲误差图。此外，对两种信道码引入不同深度交织器的有效性进行了研究。比较表明，RS码在脉冲干扰存在时是一种鲁棒的解决方案，并且与短LDPC码相比，它们提供了更好的性能/延迟折衷。

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Comparison of channel codes in presence of pulsed jammers in TT&C links

This paper compares different channel coding schemes, such as the short Low-Density Parity-Check (LDPC) proposed by NASA for TC applications, and Reed Solomon (RS) codes, in presence of pulsed jammers that causes burst errors. The burst error patterns are generated also considering the occurrence of cycle slips due to the pulsed jammers. Moreover, the effectiveness of introducing interleavers of different depths is investigated for both channel codes. The comparison shows that RS codes represent a robust solution in presence of pulsed jammers and they provide a better trade off performance/latency than short LDPC codes.

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2014 7th Advanced Satellite Multimedia Systems Conference and the 13th Signal Processing for Space Communications Workshop (ASMS/SPSC)

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