Method and system for multicasting and broadcasting IP...

Details Method and system for multicasting and broadcasting IP... Method and system for multicasting and broadcasting IP...

2007-05-22

2007-05-22

Pham, Chi (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S254000, C370S334000, C370S336000, C370S400000, C370S401000, C370S404000, C370S470000, C370S471000, C455S433000, C455S435100, C455S436000, C455S439000, C455S440000, C455S442000

Reexamination Certificate

active

09987703

ABSTRACT:
A method for multicasting/broadcasting IP data in a mobile communication system, includes the steps of a packet data serving node (PDSN) receiving multicast packet data, transforming the multicast packet data to a PPP frame format having an identification header, transmitting multicast message to base station controller/packet control function (BSC/PCF), the BSC/PCF transmitting multicasting/broadcasting message to all or some of base stations under control of the BSC/PCF according to header information of the multicast message, and transmitting the multicasting/broadcasting message to mobile station through broadcasting channel.

REFERENCES:
patent: 5786771 (1998-07-01), Feeney et al.
patent: 6693896 (2004-02-01), Utsumi et al.
patent: 6850494 (2005-02-01), Bender
patent: 6876640 (2005-04-01), Bertrand et al.

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