US 7,466,675 B2
Method and apparatus for supporting a reduced resource dormant state for packet data
Thomas B. Hart, West Dundee, Ill. (US); and Jay Jayapalan, Buffalo Grove, Ill. (US)
Assigned to Motorola, Inc., Schaumburg, Ill. (US)
Filed on Jan. 16, 2004, as Appl. No. 10/759,654.
Claims priority of provisional application 60/447656, filed on Feb. 14, 2003.
Prior Publication US 2005/0073969 A1, Apr. 07, 2005
Int. Cl. H04B 7/216 (2006.01)
U.S. Cl. 370—329  [370/395.2; 370/431; 370/400] 19 Claims
OG exemplary drawing
 
1. A method for supporting a reduced-resource dormant state for packet data, the method comprising:
forwarding data for a mobile station (MS) via a tunnel;
maintaining session context information for the MS;
releasing the tunnel to support a reduced-resource dormant state;
releasing a portion of the session context information to support the reduced-resource dormant state,
receiving new data for the MS after releasing the tunnel;
in response to receiving new data for the MS, sending a reconnection request for establishment of a new tunnel; and
forwarding the new data via the new tunnel;
wherein forwarding data via the tunnel comprises forwarding data to a packet control function (PCF) via the tunnel;
wherein sending the reconnection request comprises sending the reconnection request to the PCF for establishment of the new tunnel; and
wherein forwarding the new data comprises forwarding the new data to the PCF via the new tunnel.