A simulated annealing approach for social utility maximization 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:
IMCAS'09 Proceedings of the 8th WSEAS international conference on Instrumentation, measurement, circuits and systems
Year:
2009

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Abstract

The demand for spectrum resource is increasingly growing with the rapid development of wireless networks and devices. Therefore, how to allocate spectrum dynamically to enhance system efficiency has become an important issue in recent years. In this paper, we propose a simulated annealing (SA) based approach to solve the dynamic spectrum management problem. The objective is to maximize the sum of individual Shannon utilities in a multi-user communication system. Experimental result shows that our proposed approach can achieve an acceptable solution within a reasonable amount of time as the number of users and channels increases.