Mobility management method using an improved neighbor graph

Details Mobility management method using an improved neighbor graph Mobility management method using an improved neighbor graph

2004-12-30

2008-11-11

Taylor, Barry W (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S338000, C370S401000, C455S436000, C455S438000, C455S439000

Reexamination Certificate

active

07450546

ABSTRACT:
Disclosed is a method for managing mobility of mobile nodes between heterogeneous networks in an IP-based mobile communication system including a plurality of access nodes for providing an IP service to mobile nodes located in their service areas and a neighbor graph server for supporting connection to the access nodes by the mobile nodes. The method includes classifying the access nodes according to available service level; classifying the mobile nodes according to required service level, generating service level neighbor graphs each including access nodes supporting the same service level; generating a mapping table for mapping the mobile nodes to the neighbor graphs according to service level required by the mobile node; and supporting movement of a mobile node between networks using the neighbor graph and the mapping table.

REFERENCES:
patent: 2004/0105415 (2004-06-01), Fujiwara et al.
patent: 2004/0196808 (2004-10-01), Chaskar et al.
patent: 2005/0138178 (2005-06-01), Astarabadi

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