Impact of Imperfect Channel State Information on Bi-Directional Communications With Relay Selection

被引：20

作者：

Ding, Zhiguo ^{[1
]}

Leung, Kin K. ^{[2
]}

机构：

[1] Newcastle Univ, Sch Elect Elect & Comp Engn, Newcastle NE1 7RU, England

[2] Univ London Imperial Coll Sci Technol & Med, Dept Elect & Elect Engn, London SW7 2BT, England

来源：

IEEE TRANSACTIONS ON SIGNAL PROCESSING | 2011年 / 59卷 / 11期

基金：

美国国家科学基金会; 英国工程与自然科学研究理事会;

关键词：

Cooperative diversity; imperfect channel state information; network coding;

D O I：

10.1109/TSP.2011.2163403

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this correspondence, we study the effect of channel estimation error to the reception reliability for decode-forward based two-way relaying and physical layer network coding. In particular, we focus on the scenario where the channel estimation error is inversely proportional to signal-to-noise ratio (SNR). To such a scenario, analytic results have been developed to show that symbol error probability can approach zero by increasing SNR and extra diversity gains can still be achieved by applying relay selection.

引用

页码：5657 / 5662

页数：7

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