An Access Control Algorithm in Cognitive Radio System
In this paper, we build the model of the Cognitive Radio system by continuous time Markov chain and analyze the model by Markov theory. Aimed at the character that the access of over many cognitive users will result in the forced termination of the users’ service, we design an algorithm to control access probability of the cognitive users. The algorithm maximizes system throughput in the precondition of satisfying the forced termination limitation. The simulation result shows that, in the system using the algorithm, the access probability and the system throughput increase with the forced termination limitation. And also the largest access probability under the forced termination limitation is the access probability value able to maximize the system throughput. The forced termination limitation is satisfied at the cost of the throughput performance.
cognitive radio access control Markov chain forced termination probability
Guobin Zhang Suili Feng
School of Electronic and Engineering Dongguan University of TechnologyDongguan, China School of Electronic and Information Engineering South China University of Technology Guangzhou, Chi
国际会议
南京
英文
1-5
2011-11-09（万方平台首次上网日期，不代表论文的发表时间）