Efficient Algorithm for Power Allocation in Relay-based Cognitive Radio Network
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Date
2011-12
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Mark
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Společnost pro radioelektronické inženýrství
Abstract
This paper addresses a cognitive radio (CR) network scenario where a relay is assigned to mitigate interference to primary users (PUs). We develop an average probability of successful secondary transmission (PSST) to introduce relay in the CR network. The power allocation is done using dual domain concept to maximize the system throughput as well as maintaining interference to an acceptable level and this approach is implemented in our paper that has a higher convergence rate. Furthermore, we propose an alternative approach that maintains a high throughput and at the same time reduces the computational complexity significantly. A detailed analysis is done before simulation. The simulated results validate the theoretical analysis.
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Citation
Radioengineering. 2011, vol. 20, č. 4, s. 946-951. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/2011/11_04_946_951.pdf
http://www.radioeng.cz/fulltexts/2011/11_04_946_951.pdf
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Peer-reviewed
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en