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Quantmtum Gentic Algorithm and Its Application Covngive Radio Spectrum Allgication Based on Geme Theory

Author: ZhuDongPo
Tutor: LiFei
School: Nanjing University of Posts and Telecommunications
Course: Signal and Information Processing
Keywords: Quantum Genetic Algorithm Cognitive radio Game Theory Spectrum allocation
CLC: TN925;O225
Type: Master's thesis
Year: 2011
Downloads: 78
Quote: 0
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Abstract


Classic genetic algorithm is a simulation of natural biological evolution mechanism of the algorithm, quantum genetic algorithm is a fusion of classical genetic algorithm based on quantum computing, a new kind of global optimization algorithm, which has a small population size, the ability of optimization and convergence speed, and other characteristics, has been applied in the field of combinatorial optimization, multi-user detection. Quantum genetic algorithm and the classic genetic algorithm comparative studies, and these two evolutionary algorithms promote the use of cognitive radio spectrum allocation. This work are the following: First of all, the idea of ??genetic algorithm, the basic structure of the algorithm flow characteristics; introduced on the basis of the genetic algorithm based on quantum computing, introduced the concept of quantum genetic algorithm, quantum chromosome encoding way, the algorithm processes and the implementation methods of operation, analysis of the operation of the quantum revolving door adjust strategies and Quantum genetic algorithm, and the classical quantum genetic algorithm simulation, the performance test analysis and comparison. Secondly, the details of a cognitive radio system, including the principle of cognitive radio, discusses the four functional modules, as well as cognitive radio spectrum allocation, classification, specific allocation principles; details of game theory, game theory model, Nash equilibrium principle; based on cognitive radio spectrum allocation issue introduced cognitive radio spectrum allocation model based on game theory, the process of the competition game between users in spectrum allocation using game theory methods are described, easy algorithm simulation analysis. Finally, the analysis of the two major cognitive radio non-cooperative game theory, the two-user model and multi-user model, proposed in this paper based on genetic algorithm, quantum genetic algorithm of two non-cooperative game model spectrum allocation algorithm are given its simulation results based on the two-user model of the genetic algorithm and quantum genetic algorithm and multi-user model spectrum allocation algorithm steps, and finally through the comparison of the two algorithms found that quantum genetic algorithm has a faster convergence than classical genetic algorithm and better objective function value, let cognitive radio system to achieve a better allocation of spectrum sharing program.

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CLC: > Mathematical sciences and chemical > Mathematics > Operations Research > Game theory ( game theory )
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