Efficient Antenna Selection for Amplify-and-Forward Two-Way MIMO Relay Systems

Ming DING  Jun ZOU  Zeng YANG  Hanwen LUO  

IEICE TRANSACTIONS on Communications   Vol.E95-B   No.4   pp.1459-1462
Publication Date: 2012/04/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E95.B.1459
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
AF,  two-way relay,  MIMO relay,  antenna selection,  

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In this letter, we propose an efficient relay antenna selection algorithm for the amplify and forward (AF) two-way multiple-input multiple-output (MIMO) relay systems with analogue network coding (ANC). The proposed algorithm greedily selects the additional receive-transmit antenna pair that provides the maximum sum-rate. An iterative computation method is also designed to evaluate the sum-rate efficiently.