Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-06-21
2005-06-21
Trost, William (Department: 2683)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S432100, C455S435100, C455S439000, C370S331000
Reexamination Certificate
active
06909899
ABSTRACT:
Method and apparatus for effecting handoff in a system supporting both wireless and packet data service communications. In one embodiment, the serving network provides information to the target network sufficient to establish the Point-to-Point Protocol (PPP) connections for handoff. In an alternate embodiment, the serving network and the target network do not share capabilities with respect to concurrent multiple service instances. When the serving network knows the status of the target network, the serving network takes responsibility for the handoff.
REFERENCES:
patent: 6192037 (2001-02-01), Spear
patent: 6424834 (2002-07-01), Chang et al.
patent: 6504567 (2003-01-01), Pagan
patent: 6507567 (2003-01-01), Willars
patent: 6580699 (2003-06-01), Manning et al.
patent: 6781999 (2004-08-01), Eyuboglu et al.
patent: 2001/0030953 (2001-10-01), Chang
patent: 2001/0048693 (2001-12-01), Lee et al.
patent: 2002/0021681 (2002-02-01), Madour
patent: 2002/0097707 (2002-07-01), Balazinski et al.
patent: 2359040 (2002-03-01), None
patent: WO 0167786 (2001-09-01), None
Hsu Raymond T.
Wang Jun
Godsey Sandra L.
Miller Brandon J.
Nguyen Thien T.
Qualcomm Incoporated
Trost William
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