A novel routing algorithm for WDM-based micro-cellular wireless system

Today, almost everyone has a personal computing appliance, and base-station s are aggressively deployed to serve these customers. However, the cellular network backbone may become overloaded behind these convenient personal se rvices, especially in the near future of International Mobile Telecommunica tions-2000 (IMT-2000). Therefore, this study presents a scalable Wavelength Division Multiplexing (WDM) cellular network backbone to provide plenty of bandwidth up to Giga-bits/s, even to Tera-bits/s. In this paper. we propose a WDM-based solution for cellular network backbon e, which originates from the shuffle-exchange network concept. Then, we dem onstrate the self-routing scheme and several wireless related issues in the proposed cellular network backbone by taking advantage of the feature of s huffle-exchange network. Finally, we evaluate the performance of the propos ed backbone, and compare to another similar scheme. Our analysis indicates that the proposed network provides self-routing capa bility in a cellular network backbone with a modest number of fiber links, which reasonably scales to the number of base stations. This study also provides a further insight on the issues of wireless cellul ar network backbone and demonstrates a referable methodology to propose and analyze a cellular network backbone, which can promote the technology of m obile computing. (C) 2001 Elsevier Science B.V. All rights reserved.