Analysis of Cognitive Radio Networks with Channel Aggregation

被引:0
|
作者
Lee, Jongheon [1 ]
So, Jaewoo [1 ]
机构
[1] Sogang Univ, Dept Elect Engn, Seoul 121742, South Korea
关键词
Cognitive radio networks; channel aggregation; resource management; channel allocation; SPECTRUM ACCESS;
D O I
暂无
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
This paper presents two channel aggregation schemes for wideband cognitive radio networks: a constant channel aggregation scheme and a variable channel aggregation scheme. In the variable channel aggregation scheme, the bandwidth of the cognitive user is aggregated with a probability distribution or aggregated on the basis of the number of the residual channels. These channel aggregation schemes are analyzed by using a Markov chain and are evaluated in terms of the throughput, the blocking probability, and the forced termination probability. Numerical and simulation results show that the variable channel aggregation scheme based on the residual channel improves the throughput of the cognitive users.
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页数:6
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