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Full-Duplex Relay Based on Zero-Forcing Beamforming
Jong-Ho LEE Oh-Soon SHIN
IEICE TRANSACTIONS on Communications
Publication Date: 2011/04/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
decode-and-forward, full-duplex relay (FDR), zero-forcing beamforming (ZFBF),
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In this paper, we propose a full-duplex relay (FDR) based on a zero-forcing beamforming (ZFBF) for a multiuser MIMO system. The ZFBF is employed at the base station to suppress both the self-interference of the relay and the multiuser interference at the same time. Numerical results show that the proposed FDR can enhance the sum rate performance as compared to the half-duplex relay (HDR), if sufficient isolation between the transmit and receive antennas is ensured at the relay.