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Sum rate analysis of multiantenna multiuser relay channel

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4 Author(s)
Lee, C.-H. ; INMC & SOEE, Seoul Nat. Univ., Seoul, South Korea ; Lee, J.-H. ; Shin, O.-S. ; Kim, S.-C.

In this study, the authors introduce two types of relay operations such as a half-duplex relay (HDR) and a full-duplex relay (FDR) and analyse the corresponding sum rate of a multiantenna multiuser relay system. Especially for FDR, a precoding scheme based on block diagonalisation (BD) is proposed to suppress the self-interference as well as to support multiple users at the same time slot. Simulation results show that the proposed FDR scheme enhances significantly the sum rate performance compared to HDR.

Published in:

Communications, IET  (Volume:4 ,  Issue: 17 )