Using simulated annealing algorithm for maximizing social utility in dynamic spectrum management

Authors:
Yu-Cheng Lin;Ming-Hua Lin;Hsin-Hsiung Huang;Lu-Yao Lee
Affiliations:
Dept. of Information and Electronic Commerce, Kainan University, Taoyuan, Taiwan;Dept. of Information Technology and Management, Shih Chien University, Taipei, Taiwan;Dept. of Electronic Engineering, Lunghwa Univ. of Science and Technology, Taoyuan, Taiwan;Dept. of Information Technology and Management, Shih Chien University, Taipei, Taiwan
Venue:
WSEAS TRANSACTIONS on COMMUNICATIONS
Year:
2009

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Abstract

Thousands of equipments of the wireless local access network and the mobile devices are widely used and the demand of dynamic spectrum resources is significantly growing. How to maximize the social utility in modern technique becomes an important issue. In this paper, the simulated annealing based approach which dynamically allocates the power spectrum is proposed to enhance the system efficiency. The objective is to maximize the sum of individual Shannon utilities in a multi-user communication system. Experimental result shows that our approach obtains the acceptable result within an acceptable amount of run time for the larger test cases.