Method and apparatus for facilitating handoffs in a wireless...

Details Method and apparatus for facilitating handoffs in a wireless... Method and apparatus for facilitating handoffs in a wireless...

2007-11-27

2007-11-27

Ferguson, Keith (Department: 2618)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S332000, C370S338000, C370S329000, C370S328000, C370S348000, C455S436000, C455S437000, C455S438000, C455S426100, C455S426200, C455S439000, C455S422100

Reexamination Certificate

active

11245847

ABSTRACT:
A method and apparatus for facilitating handoff for a mobile entity in a wireless communication network is provided (100). The method comprising obtaining a first internet protocol (IP) address for the mobile entity (105) when the mobile entity is attached to a first access node, identifying at least one target access node (110), the target access node being a potential access node for handoff for the mobile entity, sending a trigger message corresponding to the mobile entity to the identified target access node (115) and acquiring a second IP addresses for the mobile entity at the target access node (120). The invention also proposes a method for creating a tunnel for facilitating the handoff for a mobile entity from the first access node to the target access node (205, 210, 215, 220).

REFERENCES:
patent: 6909899 (2005-06-01), Wang et al.
patent: 2003/0125027 (2003-07-01), Gwon et al.
patent: 2005/0018637 (2005-01-01), Karoubalis et al.
patent: 2006/0120287 (2006-06-01), Foti et al.
patent: 2007/0002833 (2007-01-01), Bajic

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