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PIC-SIC分组译码的两用户空时编码方案

DOI: 10.13190/jbupt.201203.116.ligq, PP. 116-119

Keywords: 分层Alamouti码,部分干扰相消,串行干扰相消,分组译码,多入多出系统

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Abstract:

两用户分层Alamouti码编码的多入多出系统采用最大似然译码能获得满分集增益,但复杂度较高,若利用复杂度较低的部分干扰相消(PIC)和串行干扰相消(SIC)辅助的PIC-SIC分组译码则会损失分集增益,为此提出一种编码方案,并证明此方案在接收天线数为N时利用PIC-SIC分组译码能获得满分集增益2N.仿真结果表明,新编码方案相对于分层Alamouti码能获得更优的误码率性能和更高的分集增益.

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