Receive Antenna Selection for Underlay Cognitive Radio with Instantaneous Interference Constraint

被引：24
|
作者：
Hanif, Muhammad [1 ]
Yang, Hong-Chuan [1 ]
Alouini, Mohamed-Slim [2 ]
机构：
[1] Univ Victoria, Dept Elect & Comp Engn, Victoria, BC V8P 5C2, Canada
[2] KAUST, Comp Elect & Math Sci & Engn CEMSE Div, Thuwal, Makkah Province, Saudi Arabia
来源：
IEEE SIGNAL PROCESSING LETTERS | 2015年 / 22卷 / 06期
关键词：
Cognitive radio; interference; performance analysis; selection combining; COCHANNEL INTERFERENCE; COMBINING ALGORITHMS; DIVERSITY; SYSTEMS; PERFORMANCE;
D O I：
10.1109/LSP.2014.2363163
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：
Receive antenna selection is a low complexity scheme to reap diversity benefits. We analyze the performance of a receive antenna selection scheme in spectrum sharing systems where the antenna that results in highest signal-to-interference plus noise ratio at the secondary receiver is selected to improve the performance of secondary transmission. Exact and asymptotic behaviours of the received SINR are derived for both general and interference limited scenarios over general fading environment. These results are then applied to the outage and average bit error rate analysis when the secondary transmitter changes the transmit power in finite discrete levels to satisfy the instantaneous interference constraint at the primary receiver.
引用
收藏
页码：738 / 742
页数：5
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