Radio communication system and mobile station device

Details Radio communication system and mobile station device Radio communication system and mobile station device

2011-08-16

2011-08-16

Phan, Tri H (Department: 2471)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S350000, C370S509000, C375S354000, C455S515000

Reexamination Certificate

active

08000287

ABSTRACT:
A mobile station device transmits a random access preamble to a base station device and performs uplink timing alignment based on the synchronization timing deviation information included in a random access response which the base station device transmits in response to the transmitted random access preamble, wherein in an uplink synchronous status, the mobile station device does not perform uplink timing alignment based on synchronization timing deviation information included in a random access response, which is a response to a random access preamble whose preamble ID is randomly selected by the mobile station device.

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