Amplify-and-Forward Partial Relay Selection with Feedback Delay

被引：0

作者：

Soysa, Madushanka ^{[1
]}

Suraweera, Himal A. ^{[2
]}

Tellambura, Chintha ^{[1
]}

Garg, Hari K. ^{[2
]}

机构：

[1] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB T6G 2M7, Canada

[2] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore, Singapore

来源：

2011 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC) | 2011年

关键词：

DIVERSITY; PERFORMANCE; SYSTEMS;

D O I：

暂无

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

This paper evaluates the impact of using outdated channel estimates due to feedback delay for relay selection and signal amplification on the performance of partial relay selection with amplify-and-forward (AF) relays. Both variable and fixed gain AF schemes are considered. Expressions for the system's outage probability and the average bit error rate, and their high signal-to-noise ratio (SNR) approximations are derived. The effect of parameters such as the rank of relay chosen, SNR imbalance and the correlation between the delayed and current channel state information are studied and verified through simulations.

引用

页码：1304 / 1309

页数：6

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