Statistical Analysis of Interference in Cognitive Networks

被引：1

作者：

Liu, Qiuyan ^{[1
]}

Zhong, Zhangdui ^{[1
]}

机构：

[1] Beijing Jiaotong Univ, State Key Lab Rail Control & Safety, Beijing, Peoples R China

来源：

2009 IEEE 20TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS | 2009年

关键词：

Cognitive networks; outage probability; Poisson field; level crossing rate; average fade duration;

D O I：

10.1109/PIMRC.2009.5449991

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

In this paper, the closed expressions for statistics, such as outage probability (OP), level crossing rate (LCR) and average fade duration (AFD) of multiple interferers in Nakagami-m fading channels in cognitive networks are presented. Besides, the interference-tolerant scenario is considered that the spatially Poisson distributed interfering secondary (unlicensed) terminals share the same frequency bands with the primary devices and are not allowed to transmit within the interference region of the primary (licensed) users. Numerical results show the effects of channel characteristics, velocity and interference region radius on the statistics. And Nakagami parameter has less effect than velocity on LCR but affects AFD more than velocity.

引用

页码：345 / 349

页数：5

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