Amplify-and-Forward Relay Filter Design with MIMO System for Two-Way Relay Channels

Jeehwan NOH  Chungyong LEE  

Publication
IEICE TRANSACTIONS on Communications   Vol.E95-B   No.7   pp.2442-2445
Publication Date: 2012/07/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E95.B.2442
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Fundamental Theories for Communications
Keyword: 
multiple-input multiple-output (MIMO) system,  two-way relay channel,  physical-layer network coding (PNC),  

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Summary: 
This letter considers a two-way relaying network where two nodes exchange their information based on the principle of physical layer network coding (PNC). We study the amplify-and-forward (AF) relay filter design with multiple-input multiple-output (MIMO) system. In order to maximize the sum-rate for information exchange, we propose a relay filter for two-way relaying network. Simulation results show that the proposed scheme performs better than the conventional schemes for two-way relay channel.