Method for fast recovery of normal services

Details Method for fast recovery of normal services Method for fast recovery of normal services

2011-07-19

2011-07-19

Mizrahi, Diane (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

Reexamination Certificate

active

07983717

ABSTRACT:
A method for fast recovery of normal services on repeatedly traversed routes is disclosed. A mobile device searches for recent cell information when the mobile device loses normal services. When the recent cell information is found, the mobile device may retrieve designated cells information associated with the recent cell information. The designated cells information identifies a set of designated cells from which the mobile device has most recently regained normal services. The mobile device then scans the set of designated cells to determine whether a designated cell is available to the mobile device and then acquires normal services from the available designated cell.

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3RD Generation Partnership Project, “Technical Specification Group core Network and Terminals, Non-Access-Stratum (NAS) functions related to Mobile Station (MD)in idle mode,” (3GPP TS 23.122), V6.5.0, Jun. 2005, Valbonne, France.

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