Performance Analysis for Multi-Hop Cognitive Radio Networks Over Cascaded Rayleigh Fading Channels With Imperfect Channel State Information

被引：20

作者：

Lee, Juhyun ^{[1
]}

Lee, Jae Hong ^{[1
]}

Bahk, Saewoong ^{[1
]}

机构：

[1] Seoul Natl Univ, Dept Elect & Comp Engn, Seoul 151742, South Korea

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2019年 / 68卷 / 10期

基金：

新加坡国家研究基金会;

关键词：

Cognitive radio; Power system reliability; Probability; Interference; Spread spectrum communication; Rayleigh channels; Cognitive radio network; multi-hop relaying; imperfect channel state information; cascaded Rayleigh fading; CAPACITY LIMITS;

D O I：

10.1109/TVT.2019.2938308

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 letter, we consider a cognitive radio network with imperfect channel state information where secondary users transmit signals using multi-hop relaying. When the channels between secondary users are modeled as cascaded Rayleigh fading, we derive the exact outage probability of the secondary network in an analytic form and the approximate outage probability in a closed form. Then we propose a secondary user selection scheme to minimize the outage probability. The validity of our analysis is verified through simulation.

引用

页码：10335 / 10339

页数：5

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