Apparatus and method for establishing header compression...

Details Apparatus and method for establishing header compression... Apparatus and method for establishing header compression...

2008-07-15

2008-07-15

Nguyen, Chau (Department: 2619)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S465000, C370S477000

Reexamination Certificate

active

10901584

ABSTRACT:
Disclosed are an apparatus and method for providing packet data service from a radio network controller (RNC) to user equipment (UE) in a mobile communication system. A radio bearer (RB) of a predetermined channel type is configured to compress and de-compress headers of packets passed between the RNC and the UE. The packet data service is provided from the RNC to the UE via the RB. When the channel type is changed, configuration information associated with an RB of the changed channel type is determined. Header compression (HC) context used in the RB of a previous channel type is acquired according to the configuration information and the RB of the changed channel type including the acquired HC context is configured. The packet data service is continuously provided via the RB of the changed channel type. Therefore, the invention reduces waste of radio resources that is due to a channel type change and delay that is due to system reset.

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