SVD-Based Precoding Design for AF-MIMO Multiple-Relay Systems with Antenna Selection in Correlated Channels

• Main Authors: Hao-Hsuan Su, 蘇浩璿
• Other Authors: Chia-Chang Hu
• Format: Others
• Language: zh-TW
• Published: 2014
• Online Access: http://ndltd.ncl.edu.tw/handle/v8jf4p

碩士 === 國立中正大學 === 通訊工程研究所 === 102 === In the thesis, joint optimization of relays and source precoders for both terminals is proposed for a two-way amplify-and-forward (AF) multiple-input multiple-output (MIMO) multiple-relay system with correlated channels in both hops. By applying the singular value decomposition (SVD) based relay-and-antenna selection scheme, the SVD-based optimization technique is developed for the joint design of both terminal transceivers and relaying precoders based on the minimum mean square error (MMSE) criterion. This optimization problem of sources and relaying precoders under power constraints belongs to non-convex so that an iterative algorithm is applied to explore the optimal solutions. Simulation results show that the SVD-based joint design of relay and source precoders in conjunction with the SVD-based relay-and-antenna selection scheme is capable of achieving superior bit-error-rate (BER) and MSE performance with an alleviated demand on relays and relay antennas.