Performing handover by deferring IP address establishment

Details Performing handover by deferring IP address establishment Performing handover by deferring IP address establishment

2005-05-06

2008-08-26

Trost, William (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S437000, C455S438000, C370S329000, C370S331000, C709S238000, C709S239000

Reexamination Certificate

active

07418264

ABSTRACT:
In a broadband wireless access system, when handover is performed while receiving data, a method of deferring IP address establishment procedures is provided to allow such data to be delivered between the base stations. When the terminal receiving downlink data moves from a first base station region to a second base station region, the first base station delivers the downlink data to the second base station, and the second base station uses a particular message to inform that there is data to be delivered to the terminal such that the IP address establishment of the terminal is deferred.

REFERENCES:
patent: 6590880 (2003-07-01), Maenpaa et al.
patent: 2002/0114293 (2002-08-01), Madour et al.
patent: 2002/0118656 (2002-08-01), Agrawal et al.
patent: 2005/0025164 (2005-02-01), Kavanagh et al.
patent: 2005/0130660 (2005-06-01), Park et al.
patent: 2005/0213539 (2005-09-01), Dutta et al.

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