Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2011-08-09
2011-08-09
Pérez-Gutiérrez, Rafael (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S437000
Reexamination Certificate
active
07996010
ABSTRACT:
A mobile telecommunications system comprises a network of a plurality of cells and at least one user equipment device operable to communicate in the system and to operate in a first RAT and a second RAT. The method comprises, in the user equipment device, determining whether the validity of data stored on the user equipment device will expire within an expiry period, the stored data being for use in handover of operation of the user equipment device from the first RAT to the second RAT.
REFERENCES:
patent: 5457810 (1995-10-01), Ivanov et al.
patent: 6628946 (2003-09-01), Wiberg et al.
patent: 7079840 (2006-07-01), Roberts et al.
patent: 7245919 (2007-07-01), Lau et al.
patent: 7251490 (2007-07-01), Rimoni
patent: 7437178 (2008-10-01), Jeong et al.
patent: 7444142 (2008-10-01), Roberts et al.
patent: 2001/0055969 (2001-12-01), Bonta et al.
patent: 2003/0040331 (2003-02-01), Zhao
patent: 2003/0152049 (2003-08-01), Turner
patent: 2003/0218995 (2003-11-01), Kim et al.
patent: 2004/0266435 (2004-12-01), de Jong et al.
patent: 2005/0014507 (2005-01-01), Iimori
patent: 2005/0043034 (2005-02-01), Abdel-Ghaffar et al.
patent: 2005/0096050 (2005-05-01), Hidaka
patent: 2005/0177623 (2005-08-01), Roberts et al.
patent: 2005/0213540 (2005-09-01), Matsumoto
patent: 2007/0049344 (2007-03-01), Van Der Velde et al.
patent: 1 519 606 (2005-03-01), None
patent: 1 553 798 (2005-07-01), None
patent: 1 562 387 (2005-08-01), None
Farnsworth Andrew
Norton Mark Dennis
Roberts Gideon
Kasraian Allahyar
Novak Druce & Quigg LLP
Perez-Gutierrez Rafael
Research In Motion Limited
LandOfFree
Apparatus and method for querying for RAT handover system... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus and method for querying for RAT handover system..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for querying for RAT handover system... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2724082