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The Computer Journal 1999 42(6):487-500; doi:10.1093/comjnl/42.6.487
© 1999 by British Computer Society
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An Efficient Location Management Scheme for Hybrid Wireless Asynchronous Transfer Mode Networks

Sihui ZhouA1,A3, Aruna SeneviratneA2 and Terry PercivalA1

A1 CSIRO Telecommunications and Industrial Physics, PO Box 76, Epping NSW 2121, Australia Email: sihui.zhou@tip.csiro.au A2 School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney 2052, Australia A3 Corresponding author.

Location management is one of the most important aspects in the realization of mobility in wireless networks. Recent developments in asynchronous transfer mode (ATM) technology have resulted in many core networks becoming ATM-based. Therefore the requirement for mobility on wireless networks with ATM cores is increasing. In recent years several location management schemes have been proposed for classical wireless ATM networks. Most of these proposals assume that end-user mobile ATM switches (EMASs) are used to construct a wireless ATM network. However, current ATM networks only consist of normal ATM switches that are not mobility enabled. In this paper, we propose a location management scheme for hybrid wireless ATM networks. The proposed scheme can be applied to hybrid wireless ATM networks consisting of both normal ATM switches and EMASs. A detailed description of the proposed location management scheme and a comparative analysis of its cost are presented. Numerical results show that the proposed scheme has better cost performance than a generic GSM/IS-41 based location management scheme.

Received 24 August, 1998. Revised 21 April, 1999.


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