Efficient Joint Resource Allocation for OFDM-Based Cooperative Cognitive Radio Networks with Rate-Guarantee

被引：0
|
作者：
Yang, Xuezhou [1 ]
Tang, Wei [1 ]
Guo, Wei [1 ]
机构：
[1] Univ Elect Sci & Technol China, Natl Key Lab Sci & Technol Commun, Chengdu 611731, Peoples R China
来源：
KSII TRANSACTIONS ON INTERNET AND INFORMATION SYSTEMS | 2014年 / 8卷 / 09期
基金：
中国国家自然科学基金;
关键词：
CRN; OFDM; cooperative communication; resource allocation; SECONDARY USER;
D O I：
10.3837/tiis.2014.09.003
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This letter proposes an efficient joint resource allocation scheme for OFDM-based cooperative cognitive radio networks (CRNs) under various practical limitations. Compared with those traditional approaches, which guarantee the transmission rates of cognitive users, the proposed scheme ensures that cognitive users are maintained in proportion to the predefined target rates. Numerical simulation shows that the proposed scheme can achieve a reasonable tradeoff between performance and computational complexity.
引用
收藏
页码：3004 / 3015
页数：12
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