Transceiver Designs for MIMO Relaying Systems with Imperfect Channel State Information

被引：1
作者：
Antwi-Boasiako, Bridget Durowaa [1 ]
Song, Changick [2 ]
Lee, Kyoung-Jae [1 ]
机构：
[1] Hanbat Natl Univ, Dept Elect & Control Engn, 125 Dongseo Daero, Daejeon, South Korea
[2] Korea Natl Univ Transportat, Dept Elect Engn, 50 Daehak Ro, Chungju, Chungcheongbuk, South Korea
来源：
MOBILE INFORMATION SYSTEMS | 2018年 / 2018卷
基金：
新加坡国家研究基金会;
关键词：
UNIFIED FRAMEWORK; POWER ALLOCATION; PRECODER DESIGN; OPTIMIZATION; DIVERSITY; CAPACITY; CSI;
D O I：
10.1155/2018/1429427
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We focus on imperfect channel state information (ICSI) in closed-loop multiple-input multiple-output (MIMO) amplify-andforward (AF) relaying systems. First, near-optimal closed-form solutions for transceiver designs are provided for the source-to-relay-to-destination link with ICSI at all nodes. Next, considering a nonnegligible direct link with ICSI available only at the relay and destination and no CSI or ICSI at the source, near-optimal designs are proposed. The Wiener or minimum mean square error (MMSE) filter is employed at the destination to estimate the transmitted signal. The effect of CSI mismatch on the performance of the proposed scheme is then shown through simulations.
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页数：12
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