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http://dx.doi.org/10.3837/tiis.2014.09.003

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

Yang, Xuezhou (National Key Laboratory of Science and Technology on Communications University of Electronic Science and Technology of China Chengdu)
Tang, Wei (National Key Laboratory of Science and Technology on Communications University of Electronic Science and Technology of China Chengdu)
Guo, Wei (National Key Laboratory of Science and Technology on Communications University of Electronic Science and Technology of China Chengdu)
Publication Information
KSII Transactions on Internet and Information Systems (TIIS) / v.8, no.9, 2014 , pp. 3004-3015 More about this Journal
Abstract
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.
Keywords
CRN; OFDM; cooperative communication; resource allocation;
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Times Cited By KSCI : 5  (Citation Analysis)
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