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IEICE TRANSACTIONS on Communications

Hierarchical Location Management Scheme Based on Collaboration of Mobile Nodes

Takeru INOUE, Noriyuki TAKAHASHI, Toshiaki MIYAZAKI

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Summary :

The exciting goals of ubiquitous computing and communication services can only be achieved if we can increase the efficiency with which the location of mobile terminals can be managed; current mobile infrastructures are not efficient since they treat all mobile terminals uniformly despite that fact that many mobiles often move together (i.e. passengers on the same train or a group of cars on a road). This paper presents a hierarchical location management scheme that handles such grouped mobiles collectively and so reduces the overhead costs of location management. In our scheme, mobiles that move together for long enough form a mobile network and make a hierarchy in the wireless access network. The scheme also adjusts the number of mobile networks to keep communication overhead low. We apply the scheme to Mobile IPv6 and evaluate the resulting performance improvement. Simulation results confirm that our hierarchical approach can greatly reduce the overhead costs of location management, and that it is very practical since it can flexibly develop suitable mobile networks.

Publication
IEICE TRANSACTIONS on Communications Vol.E87-B No.3 pp.470-479
Publication Date
2004/03/01
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Section on Internet Technology IV)
Category
Mobile Networking

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