Method and apparatus for channel optimization during...

Details Method and apparatus for channel optimization during... Method and apparatus for channel optimization during...

2007-03-27

2007-03-27

Nguyen, Chau (Department: 2616)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S338000, C455S436000

Reexamination Certificate

active

09494199

ABSTRACT:
A method and apparatus for requesting PPP instances from a packet data services network includes a mobile station configured to send an origination message to a packet data service node (PDSN) at which it has arrived upon leaving the vicinity of another PDSN. The message informs the new PDSN of the new location of the mobile station and indicates both the number of dormant PPP instances associated with the mobile station and a service reference identifier for each such PPP instance. A flag within the message may be used to indicate whether the PPP instances are dormant (i.e., whether the mobile station is engaged in a call). Communications channel resources of packet data services nodes are optimized by reducing the information included in messages from the Packet Control Function network element to the Packet Data Service Node network element, and by reducing the use of Mobile Internet Protocol agent advertisement.

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