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Efficient Design of Polar Coded STTD Systems over Rician MIMO Channels

  • Bowen Feng
  • Jian Jiao
  • Shushi Gu
  • Shaohua Wu
  • Qinyu Zhang
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 463)

Abstract

In this paper, a polar coded space-time transmit diversity (STTD) scheme is proposed in order to improve the performance of MIMO system. In Rician fading MIMO channels, the corresponding polar coded STTD system can be equivalent to a single transmission channel for each polar code bit. Density evolutions for the polar coded STTD systems are proposed based on the analyses of the single transmission channel. The proposed density evolutions provide preferable guidance to construct polar codes for the polar coded STTD systems. Simulation results show that the BER performance of polar coded STTD system is significantly improved as the number of antennas increases. The proposed \(2\times 2\) polar coded STTD system can provide better FER performance than LDPC-based system under low and mid code rates.

Keywords

Polar code Space-time transmit diversity Density evolution Rician fading 

Notes

Acknowledgment

This work was supported in part by the National Natural Sciences Foundation of China (NSFC) under Grant 61771158, 61701136, 61525103 and 61371102, and the Shenzhen Basic Research Program under Grant JCYJ20160328163327348 and JCYJ20150930150304185.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Bowen Feng
    • 1
  • Jian Jiao
    • 1
  • Shushi Gu
    • 1
  • Shaohua Wu
    • 1
  • Qinyu Zhang
    • 1
  1. 1.Communication Engineering Research CentreHarbin Institute of Technology (Shenzhen)ShenzhenChina

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