Optimal Distributed Location Management in Mobile Networks |
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Authors: | Krishnamurthi Govind Azizoğlu Murat Somani Arun K. |
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Affiliation: | (1) Department of Electrical and Computer Engineering, Iowa State University, Ames, IA 50011, USA;(2) Department of Electrical Engineering, University of Washington, Seattle, WA 98195, USA |
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Abstract: | An important issue in the design of future Personal Communication Services (PCS) networks is the efficient management of location information. In this paper, we consider a distributed database architecture for location management in which update and query loads of the individual databases are balanced. We obtain lower bounds to the worst-case delay in locating a mobile user, to the average delay, and to the call blocking probability. We then propose a dynamic location management algorithm that meets these lower bounds. The optimality of this algorithm with respect to these three performance measures, as well as simplicity, make it an appealing candidate for distributed location management in PCS networks. |
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Keywords: | PCS networks mobile networking distributed location management optimal load balancing |
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