Analysis of Cognitive Radio Networks with Channel Aggregation and Imperfect Sensing

被引：0
|
作者：
Ngatched, T. M. N. [1 ]
Alfa, Attahiru S. [1 ]
Cai, Jun [1 ]
机构：
[1] Univ Manitoba, Dept Elect & Comp Engn, Winnipeg, MB R3T 5V6, Canada
来源：
2011 20TH INTERNATIONAL CONFERENCE ON COMPUTER COMMUNICATIONS AND NETWORKS (ICCCN) | 2011年
关键词：
SPECTRUM ACCESS;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper considers a cognitive radio network where the cognitive user has a constant bandwidth which is K times that of a primary user. The primary system consists of constant M primary channels and the cognitive system consists of N = [M/ K] channels, where [x] is the largest integer not greater than x. The effects of imperfect spectrum sensing (with false alarms and misdetections) are analyzed using a Markov chain. Explicit expressions for state dependent transition rates are derived for the case M = 6 and K = 2, and the system performance is evaluated in terms of throughput, blocking probability, and forced termination probability.
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页数：6
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