08903376 is referenced by 4 patents and cites 13 patents.

A method and an apparatus for operating a timer in a wireless transmit receive unit (WTRU) are described. In one scenario, the method includes the WTRU receiving a circuit switched (CS) call request and a CS service notification, transmitting an evolved packet system mobility management service request (ESR) message, starting the timer, and stopping the timer upon reception of a handover command or a cell change command to indicate a successful CS fallback procedure. In another scenario, the method includes the WTRU receiving a CS call request and a CS service notification, transmitting an ESR message including a CS call rejection indication, starting the timer, and stopping the timer upon reception of an acknowledgement that the ESR message was transmitted or received to indicate a successful CS fallback procedure.

Title
Enhancements for operation of a timer
Application Number
12/615762
Publication Number
8903376 (B2)
Application Date
November 10, 2009
Publication Date
December 2, 2014
Inventor
Ulises Olvera Hernandez
Kirkland
CA
Behrouz Aghili
Commack
NY, US
Mahmoud Watfa
Montreal
CA
Agent
Volpe and Koenig P C
Assignee
Interdigital Patent Holdings
DE, US
IPC
H04W 36/00
H04W 76/02
H04W 24/00
View Original Source