Channel allocation and reallocation for cognitive radio networks

被引：12
|
作者：
Jiang, Tigang [1 ]
Wang, Honggang [2 ]
Leng, Supeng [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Commun & Informat Engn, Chengdu 610054, Peoples R China
[2] Univ Massachusetts, Elect & Comp Engn Dept, Dartmouth, MA USA
来源：
WIRELESS COMMUNICATIONS & MOBILE COMPUTING | 2013年 / 13卷 / 12期
基金：
中国国家自然科学基金;
关键词：
cognitive radio networks; channel allocation; multiple channels; Markov chain; channel reallocation; SPECTRUM ACCESS; CAPACITY;
D O I：
10.1002/wcm.1162
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a new channel allocation and re-location scheme is proposed for cognitive radio users to efficiently utilize available spectrums. We also present a multiple-dimension Markov analytical chain to evaluate the performance of this scheme. Both analytical results and simulation results demonstrate that the new scheme can enhance the radio system performance significantly in terms of blocking probability, dropping probability, and throughput of second users. The proposed scheme can work as a non-server-based channel allocation, which has practical values in real engineering design. Copyright (C) 2011 John Wiley & Sons, Ltd.
引用
收藏
页码：1073 / 1081
页数：9
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