Always-on wireless internet protocol communication

Details Always-on wireless internet protocol communication Always-on wireless internet protocol communication

H - Electricity

04

L

H04L 29/06 (2006.01) H04W 4/00 (2009.01) H04W 28/16 (2009.01) H04W 76/00 (2009.01) H04W 80/00 (2009.01) H04L 12/56 (2006.01)

Patent

CA 2544244

A packet data serving node ("PDSN") and method to maintain an always-on wireless communication link with a mobile station in a wireless communication network,. The PDSN includes an inactivity timer, a transceiver, a processor coupled to transceiver, and an always-on module coupled to the processor and the inactivity timer. The inactivity timer starts when entering a packet data session. The transceiver sends a starting value estimate that is a function of an inactivity timer starting value. The processor monitors the communication link for data traffic between the mobile station and the PDSN. The always-on PDSN module resets the inactivity timer if processor detects data traffic. The method includes entering a packet data session; starting an inactivity timer for the session; sending a starting value estimate that is a function of an inactivity timer starting value; monitoring the communication link for data traffic; and resetting the inactivity timer if data traffic is detected.

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