Method for allocating common packet channels

Details Method for allocating common packet channels Method for allocating common packet channels

2006-06-06

2006-06-06

Ngo, Ricky (Department: 2663)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S342000, C370S329000

Reexamination Certificate

active

07058038

ABSTRACT:
A method for allocating common packet channels in a next generation mobile communication system is disclosed. A mobile station maps a signature for indicating a specific common packet channels with scrambling codes and transmits an access preamble including the signature to a system to request allocation of the channel. The system maps a signature of a channel assignment for a desired common packet channel with the scrambling codes to transmit it to the mobile station. The mobile station transmits a message to the system through a corresponding physical channel in accordance with the channel assignment. The mobile station can transmit a collision detection preamble for preventing channel collision to the system by mapping with a specific scrambling code set. At this time, the system can select a scrambling code from a scrambling code set designated by the collision detection preamble and can map the selected scrambling code with the channel assignment.

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