作者
Jun-pyo Hong, Wan Choi
发表日期
2010/6/13
研讨会论文
2010 IEEE International Symposium on Information Theory
页码范围
2088-2092
出版商
IEEE
简介
This paper analyzes the multiuser diversity gain in a cognitive radio (CR) system where secondary transmitters opportunistically utilize the spectrum licensed to primary users only when it is not occupied by the primary users. To protect the primary users from the interference caused by the missed detection of primary transmissions in the secondary network, minimum average throughput of the primary network is guaranteed by transmit power control at the secondary transmitters. The traffic dynamics of a primary network are also considered in our analysis. We derive the average achievable capacity of the secondary network and analyze its asymptotic behaviors to characterize the multiuser diversity gains in the CR system.
学术搜索中的文章
J Hong, W Choi - 2010 IEEE International Symposium on Information …, 2010