The Novel Spectrum Allocation Algorithm in Cognitive Radio System

被引：0
|
作者：
Xiangqian Che [1 ]
Yupeng Xie [1 ]
Ye Tian [2 ]
Qijing Zhang [1 ]
Guizhi Sun [1 ]
机构：
[1] School of Computer and Information Engineering & School of Electronics and Information Engineering,Heilongjiang University of Science and Technology
[2] School of Electronics and Information Engineering,Harbin Institute of Technology
来源：
China Communications | 2017年 / 14卷 / 03期
基金：
黑龙江省自然科学基金;
关键词：
reliability theory; spectrum allocation; cognitive radio; normal communication;
D O I：
暂无
中图分类号：
TN925 [无线电中继通信、微波通信];
学科分类号：
080402 ; 080904 ; 0810 ; 081001 ;
摘要：
In order to reduce the disturbance on an authorizing user and lower the competition between cognitive users, assure the normal communication of a cognitive radio system, reliability theory is applied to describe if a channel can be used by a cognitive user or not and the probability that the channel is continually used for a period. Three aspects including space, time domain and frequency domain are united for the research on the distribution of frequency spectrum. The simulation result shows that, in the space domain, time domain, frequency domain algorithm, the transmitted data volume and the total throughput of the system are superior to those in greedy algorithm and time domain—frequency domain algorithm, the novel algorithm is helpful to reduce the disturbance caused by a cognitive user to an authorizing user and lower the competition between cognitive users, this simulation result shows that the proposed algorithm is effective.
引用
收藏
页码：108 / 117
页数：10
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