Handover of mobile node to a new access router

Details Handover of mobile node to a new access router Handover of mobile node to a new access router

2007-03-06

2007-03-06

Ferguson, Keith (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S436000, C455S438000, C455S439000, C455S422100, C455S403000, C455S432100, C455S437000, C370S351000, C370S389000, C370S395200, C370S395300

Reexamination Certificate

active

10669571

ABSTRACT:
A method and apparatus are provided for handing over a mobile node from a first access router to a second access router. This may include moving a mobile node from a first geographic location associated with the first access router to a second geographic location associated with the second access router. A request message may then be sent from the second access router to the mobile node. A connectivity report may then be sent from the mobile node to the second access router.

REFERENCES:
patent: 2001/0044305 (2001-11-01), Reddy et al.
patent: 2002/0068570 (2002-06-01), Abrol et al.
patent: 2002/0097719 (2002-07-01), Chaskar et al.
patent: 2002/0122432 (2002-09-01), Chaskar
patent: 2002/0191627 (2002-12-01), Subbiah et al.
patent: 2003/0091021 (2003-05-01), Trossen et al.
patent: 2003/0210674 (2003-11-01), Honkasalo et al.
patent: 2004/0092264 (2004-05-01), Koodli et al.
patent: 2004/0203783 (2004-10-01), Wu et al.
patent: 03003639 (2003-01-01), None
Trossen et al., “A Dynamic Protocol For Candidate Access-Router Discovery”, draft-Trossen-Seamoby-dycard-00.txt, Oct. 25, 2002, pp. 1-48.
Trossen et al., “Issues in Candidate Access Router Discovery For Seamless IP-Level Handoffs”, Oct. 16, 2002, pp. 1-9.

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