IRISA

Séminaire

Mercredi 13 janvier 1999 - 14h00
Salle de conférences Michel Métivier

Hussein MOUFTAH
(Queens University, Kingston, Ontario, Canada) En séjour à l'Irisa, e-mail: Hussein.Mouftah@irisa.fr

Mobility Management in Broadband Wireless Networks

In Wireless ATM (Asynchronous Transfer Mode) -based broadband networks, challenges regarding mobility management, handover design and performance, including those related to latency and traffic performance, stem from the infrastructure of the wireless access network, the connection oriented technology of the fixed network, and the broadband/multimedia nature of the supported applications.

ATM was originally designed to provide wireless access and mobile services. The extension of "fixed" ATM to mobile end points through limited bandwidth, unreliable wireless links is a challenge for the lower protocol layers of the radio interface. The support of mobility, on the other hand, requires the modification and enhancement of existing ATM signalling and network control protocols.

In this presentation we review these issues with some emphasis on mobility management and handover algorithms in wireless ATM networks.

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