A Study of Nonbinary Decoding Algorithms for RS Codes under Jamming Environment

• Main Authors: Shing-Hung Chen, 陳星宏
• Other Authors: Li-Der Jeng
• Format: Others
• Language: zh-TW
• Published: 2014
• Online Access: http://ndltd.ncl.edu.tw/handle/kngvky

碩士 === 中原大學 === 電子工程研究所 === 102 === Although soft-decision decoding of Reed-Solomon (RS) code can improve the decoding performance significantly, the complexity of the system is still high. Therefore, most of the communication systems use the hard-decision decoder because of low complexity. However order statistic decoding algorithm (OSD) which can reduce the complexity of system is an effective decoding algorithm. So we used a non-binary OSD algorithm which can be applied to non-binary RS code in the thesis. We use different ways of computing symbol reliability and decoding metric in the proposed algorithm. In addition we proposed three ways to reduce the system complexity by reducing the number of candidate codewords. Simulation results show the performance complexity of the algorithm under partial band noise jamming (PBNJ) and additive white Gaussian noise (AWGN).