Journal on Communications ›› 2019, Vol. 40 ›› Issue (3): 139-146.doi: 10.11959/j.issn.1000-436x.2019063

• Papers • Previous Articles     Next Articles

Full-diversity design criterion for multi-user STBC based on integer-forcing detection

Guoquan LI1,2,Xiangyun ZHOU1,2,Jinzhao LIN1,2,Yongjun XU1,Yu PANG2,Jiacheng WANG2()   

  1. 1 School of Communication and Information Engineering,Chongqing University of Posts and Telecommunications,Chongqing 400065,China
    2 Chongqing Key Laboratory of Photoelectronic Information Sensing and Transmitting Technology,Chongqing University of Posts and Telecommunications,Chongqing 400065,China
  • Revised:2018-07-14 Online:2019-03-01 Published:2019-04-04
  • Supported by:
    The National Natural Science Foundation of China(61301124);The National Natural Science Foundation of China(61671091)

Abstract:

Multi-user space time block code systems have the problem of high decoding complexity.To ensure good system performance with low decoding complexity at the same time,low complexity integer-forcing (IF) detection algorithm was applied to multi-user space time block code.Then the upper bound of error probability for IF detection was derived by minimizing the equivalent noise power.To obtain good multi-user space time block code when decoded with IF detection,a full-diversity design criterion was proposed.It was proved that full diversity could be achieved if every user’s space time block code had property of non-vanishing singular value.Simulation result shows that the code gain is found related to the minimum singular value.

Key words: MIMO system, integer-forcing detection, multi-user space time block code, design criterion, full diversity

CLC Number: 

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