Dynamic Resource Allocation Algorithms for Cognitive Radio Systems

Subramanian, Varun and Rimal, Swaraj (2011) Dynamic Resource Allocation Algorithms for Cognitive Radio Systems. BTech thesis.



Cognitive Radio (CR) is a novel concept for improving the utilization of the radio spectrum. This promises the efficient use of scarce radio resources. Orthogonal Frequency Division Multiplexing (OFDM) is a reliable transmission scheme for Cognitive Radio Systems which provides flexibility in allocating the radio resources in dynamic environment. It also assures no mutual interference among the CR radio channels which are just adjacent to each other. Allocation of radio resources dynamically is a major challenge in cognitive radio systems. In this project, various algorithms for resource allocation in OFDM based CR systems have been studied. The algorithms attempt to maximize the total throughput of the CR system (secondary users) subject to the total power constraint of the CR system and tolerable interference from and to the licensed band (primary users). We have implemented two algorithms Particle Swarm Algorithm(PSO) and Genetic Algorithm(GA) and compared their results.

Item Type:Thesis (BTech)
Uncontrolled Keywords:Cognitive Radio, Resource Allocation
Subjects:Engineering and Technology > Electronics and Communication Engineering > Wireless Communications
Divisions: Engineering and Technology > Department of Electronics and Communication Engineering
ID Code:2244
Deposited By:Swaraj Rimal
Deposited On:13 May 2011 11:21
Last Modified:13 May 2011 11:21
Supervisor(s):Singh, P

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