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Schemes for mobility management of wireless ATM networks

✍ Scribed by M. S. Obaidat; C. Ben Ahmed; N. Boudriga

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 153 KB
Volume: 12
Category: Article
ISSN: 1074-5351
DOI: 10.1002/(sici)1099-1131(199905/06)12:3<153::aid-dac389>3.0.co;2-h

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✦ Synopsis

The growing "elds of wireless networks and asynchronous transfer mode (ATM) are merging to form wireless ATM networks. This paper addresses dynamic bandwidth allocation, connection admission procedures, routing, and location management strategies in wireless ATM. More precisely, we investigate the issue of extending the private Network to Network Interface, PNNI, and protocols to support mobility. PNNI-based hierarchical routing, hand-o!, location management and routing schemes are proposed to integrate wireless capabilities into ATM networks. These schemes provide fast and e$cient hand-o! connection processing mechanism and a reduction in the connection disruption time during a connection hand-o! session. They also provide a predictable resource requirement of the mobile system during its connection. During a connection hand-o!, misrouted cells can be re-routed to their destinations. This substantially reduces the overhead due to end-to-end re-transmissions invoked at higher layers. An analytical model is developed to illustrate the hand-o! algorithm.

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