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成对载波多址复用混合信号非合作接收单通道盲分离性能界

郭一鸣 彭华

引用本文: 郭一鸣, 彭华. 成对载波多址复用混合信号非合作接收单通道盲分离性能界[J]. 电子与信息学报, 2019, 41(1): 240-247. doi: 10.11999/JEIT180226 shu
Citation:  Yiming GUO, Hua PENG. Single Channel Blind Separation Performance Bound of Non-cooperative Received Paired Carrier Multiple Access Mixed Signal[J]. Journal of Electronics and Information Technology, 2019, 41(1): 240-247. doi: 10.11999/JEIT180226 shu

成对载波多址复用混合信号非合作接收单通道盲分离性能界

    作者简介: 郭一鸣: 男,1990年,博士生,研究方向为信号逆向分析、通信信号处理;
    彭华: 男,1973年,教授,博士生导师,主要研究方向为软件无线电、通信信号处理等
    通讯作者: 郭一鸣,guoym28892@163.com
  • 基金项目: 国家自然科学基金(61401511, U1736107)

摘要: 成对载波多址复用(PCMA)混合信号单通道盲分离性能界是衡量混合信号可分离程度以及分离算法性能的标准。针对PCMA混合信号,从发送信号模型出发构造调制信号比特与符号的空间映射,利用最大似然准则推导与混合信号分离算法无关的分离性能下界表达式,数值计算结果与理想情况下Viterbi仿真结果吻合,验证了所推导性能界的合理性。

English

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  • 图 1  单路8PSK调制信号空间映射

    图 2  BPSK调制PCMA信号比特与符号映射

    图 3  QPSK调制PCMA信号比特与符号映射

    图 4  X1=${a_0}$时正确判决区域${R_0}$

    图 5  8QAM调制PCMA信号正确判决区域

    图 6  性能界计算结果与对比

    图 7  PCMA信号SER性能界

    图 8  PCMA信号BER性能界

    图 9  h1/h2对PCMA信号分离性能界影响曲线

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文章相关
  • 通讯作者:  郭一鸣, guoym28892@163.com
  • 收稿日期:  2018-03-09
  • 录用日期:  2018-08-27
  • 网络出版日期:  2018-09-10
  • 刊出日期:  2019-01-01
通讯作者: 陈斌, bchen63@163.com
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