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	Joint DFE with LDPC decoding for anti-multipath over underwater acoustic channels
	Liu, Shengxin ; Xiao, Shenya ; Liu SX(刘胜兴) ; Xu XM(许肖梅)
	2013
关键词	Decision feedback equalizers Decoding Forward error correction
英文摘要	Conference Name:8th ACM International Conference on Underwater Networks and Systems, WUWNet 2013. Conference Address: Kaohsiung, Taiwan. Time:November 11, 2013 - November 13, 2013.; ACM SIGMOBILE; A structure for decision feedback equalization (DFE) with low density parity code (LDPC) decoding is introduced for anti-multipath communication over underwater acoustic channels. The decoding performance of irregular LDPC codes is investigated. Simulations show that the DFE-LDPC structure has excellent anti-multipath performance. The BER (Bit Error Rate) of the system is less than 10-5, and the SNR (Signal to Noise rate) is higher than 11dB over three different underwater acoustic channels. Furthermore, the irregular LDPC codes optimized on AWGN channels are also excellent on strong multipath underwater acoustic channels. Under the same code rate and block length, irregular LDPC codes are better by about 0.5dB than regular LDPC codes with column weight 3 at BER=10-5.
语种	英语
出处	http://dx.doi.org/10.1145/2532378.2532389
出版者	Association for Computing Machinery
内容类型	其他
源URL	[http://dspace.xmu.edu.cn/handle/2288/85313]
专题	海洋环境－会议论文
推荐引用方式 GB/T 7714	Liu, Shengxin,Xiao, Shenya,Liu SX,et al. Joint DFE with LDPC decoding for anti-multipath over underwater acoustic channels. 2013-01-01.

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