MIMO relaying in random linear coded multiple-access relay network

  • Authors:
  • Taha Khalaf;Young Jin Chun;Dong In Kim

  • Affiliations:
  • Assiut University, Assiut, Egypt;Sungkyunkwan University, Suwon, Korea;Sungkyunkwan University, Suwon, Korea

  • Venue:
  • Proceedings of the 6th International Conference on Ubiquitous Information Management and Communication
  • Year:
  • 2012

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Abstract

We consider random linear coding in noisy multiple-access relay channel where each relay is equipped with multiple antennas and sends the network coded information to the destination using three MIMO transmission modes: spatial multiplexing (SM), transmit diversity (TD), and Golden code (GC). SM mode allows to send more coded bits than TD mode, thereby increasing the Hamming distance at the cost of sacrificing the diversity gain, and vice versa. We derive the probability of decoding error with the maximum likelihood decoding at the destination and compare performance in Rayleigh flat fading channel.