基于联合迭代检测译码的多中继RA编码协作系统Multi-relay RA coded cooperation system based on joint iterative detection decoding
唐蕾,仰枫帆,刘伟伟,王天宇
摘要(Abstract)：
为提高协作系统的性能,提出一种RA码多中继编码协作通信系统。首先,在系统的源和中继节点处采用RA编码,推导出与目的节点接收码字对应的多层Tanner图;然后,以多层Tanner图为基础,结合MAP算法给出一种联合迭代检测译码新算法译码,完成目的点的信号检测。理论分析和数值模拟表明,所提出的新方法能够充分实现多中继编码协作所具有的潜在分集和编码增益,随着内外迭代次数的增加,误比特率性能迅速提升,在相同条件下明显优于编码非协作系统。
关键词(KeyWords)： 多中继编码协作;RA码;LDPC码;联合迭代检测译码;多层Tanner图;误比特率
基金项目(Foundation): 南京工程学院校级科研基金(YKJ201417,YKJ201419)联合资助~~
作者(Author): 唐蕾,仰枫帆,刘伟伟,王天宇
DOI: 10.16652/j.issn.1004-373x.2018.01.001
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