Two-Way OFDM-Based Nonlinear Amplify-and-Forward Relay Systems

被引：30
|
作者：
Simmons, David E. [1 ]
Coon, Justin P. [1 ]
机构：
[1] Univ Oxford, Dept Engn Sci, Parks Rd, Oxford OX1 3PJ, England
来源：
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2016年 / 65卷 / 05期
关键词：
Amplify-and-forward (AF); gain optimization; nonlinear amplifier; relay; two-way; PERFORMANCE; DIVERSITY; CHANNELS;
D O I：
10.1109/TVT.2015.2436713
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：
We derive closed-form outage probability expressions for fixed-gain (FG) and variable-gain (VG) two-way amplify-and-forward (AF) relay networks subject to a nonlinear transmission at the relay. We then derive an explicit expression for the relay gain that optimizes the network's performance. Finally, we show that, if the source nodes have no access to the distortion characteristics of the relay's amplifier, which inhibits self-interference removal, the network's performance will change negligibly.
引用
收藏
页码：3808 / 3812
页数：5
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