The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Iterative Detection and Decoding of LDPC-Coded Multiuser Uplink Massive-MIMO Systems

LDPC 부호화된 멀티유저 상향링크 Massive-MIMO 시스템의 반복 검출 및 복호 수신기

  • Park, Jin Soo (School of Electrical and Electronic Engineering, Yonsei University) ;
  • Kim, Inseon (School of Electrical and Electronic Engineering, Yonsei University) ;
  • Song, Hong-Yeop (School of Electrical and Electronic Engineering, Yonsei University) ;
  • Han, Sung Woo (Agency for Defence Development)
  • Received : 2014.06.16
  • Accepted : 2014.08.21
  • Published : 2014.09.30
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Abstract

In this paper, we propose an iterative detection and decoding scheme for the LDPC coded multiuser uplink massive-MIMO systems. We consider the simple maximal ratio combining (MRC) detector and LDPC decoder. We formulate the soft output of MRC detector and the relation between the extrinsic informations of the detector and decoder. The performance improvement of the proposed iterative detection and decoding scheme is shown by computer simulation.

본 논문에서는 LDPC 부호화된 멀티유저 상향링크 massive-MIMO 시스템에서, 연판정 MRC 검출기와 LDPC 복호기를 이용한 반복적 검출 및 복호 수신기를 제안한다. 우선 MRC 검출기에 대해 연판정 기법을 제안하고, 검출기와 LDPC 복호기간 정보 교환 관계를 유도한다. 제안된 반복적인 검출 및 복호 과정을 통해 성능이 향상될 수 있음을 시뮬레이션을 통해 확인한다.

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