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Research on the Resource Allocation in Cognitive Radio Network Based on Genetic Algorithm

Author: GuoJia
Tutor: LiJianDong
School: Xi'an University of Electronic Science and Technology
Course: Communication and Information System
Keywords: Cognitive Radio Network Genetic Algorithm Resource Allocation Muti-object optimization
CLC: TN925
Type: Master's thesis
Year: 2010
Downloads: 147
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Abstract


With the development of wireless communication technology and the expanding of current wireless applications , the lack of spectrum resources becomes an urgent problem in the process of research in wireless applications. However , some researches show that the large number of precious spectrum resources has not been fully utilized currently , and even in many cases is idle. Therefore , the research of an efficiently resource allocation method is of great practical significance.The problem of resource allocation in cognitive radio network based on genetic algorithm has been deeply researched in the thesis. Aiming at cognitive resource allocation problems in wireless network single nets, we design the corresponding application scenarios, propose resource allocation strategy based on genetic algorithm, and simulate the algorithm on MATLAB. Through the three kinds of communication mode performance simulation, this paper defines the adaptive parameter in different communication mode, and evaluates the sensitivity of resource allocation performanc, verifies the validity of the proposed algorithm. Aiming at cognitive wireless network more resources joint assignment problem, we design the corresponding application scenarios, propose genetic algorithm based resource allocation strategies, and and simulate the algorithm on MATLAB. Through the resource allocation result and performance simulation assessment, we verify the validity of the proposed algorithm. After the analysis of simulation performance, we found that the resource allocation in Cognitive Radio Network based on Genetic Algorithm is feasible, and the system performance can be effectively enhanced. This is a good solution to the current serious shortageof resources problems.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Radio relay communications,microwave communications
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