Relay Selection Schemes and Performance Analysis Approximations for Two-Way Networks

被引：86

作者：

Atapattu, Saman ^{[1
]}

Jing, Yindi ^{[1
]}

Jiang, Hai ^{[1
]}

Tellambura, Chintha ^{[1
]}

机构：

[1] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB T6G 2V4, Canada

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 2013年 / 61卷 / 03期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Diversity order; error rate; outage probability; relay selection; sum-rate; two-way networks; USER COOPERATION DIVERSITY; RAYLEIGH-FADING CHANNELS; TO-END PERFORMANCE; TRANSMISSION-SYSTEMS;

D O I：

10.1109/TCOMM.2012.010313.100669

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：

This paper studies relay selection schemes for two-way amplify-and-forward (AF) relay networks. For a network with two users that exchange information via multiple AF relays, we first consider a single-relay selection (SRS) scheme based on the maximization of the worse signal-to-noise ratio (SNR) of the two end users. The cumulative distribution function (CDF) of the worse SNR of the two users and its approximations are obtained, based on which the block error rate (BLER), the diversity order, the outage probability, and the sum-rate of the two-way network are derived. Then, with the help of a relay ordering, a multiple-relay selection (MRS) scheme is developed. The training overhead and feedback requirement for the implementation of the relay selection schemes are discussed. Numerical and simulation results are provided to corroborate the analytical results.

引用

页码：987 / 998

页数：12

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