Base station and mobile communication system

Details Base station and mobile communication system Base station and mobile communication system

2006-06-27

2006-06-27

Rao, Seema S. (Department: 2666)

Multiplex communications

Communication over free space

Combining or distributing information via code word channels...

C370S286000, C370S289000, C375S144000, C375S148000

Reexamination Certificate

active

07068637

ABSTRACT:
In a mobile communication system employing code division multiple accesses and having radio logical channels such as control channels and traffic channels, for the purpose of interference cancellation processing which is implemented without a large processing delay even under a call control application, the baseband receiving part of the mobile communication system includes a common control channel demodulator302which executes the demodulation processing of a common control channel as to a received baseband reception signal301, an interference canceller309which executes interference cancellation processing for a received multiplexed signal on the basis of the notification information of the control channels, and a synthesis/error correction processor315which executes error correction processing, etc. as to user information having undergone the interference cancellation processing and thereafter executes frame formation processing. The common control channel is demodulated by the common control channel demodulator302and is not submitted to interference cancellation processing, thereby to heighten the processing speed of system information. In the interference canceller309, cross-correlation interferences are cancelled as to the dedicated control channel and the traffic channel other than the common control channel, thereby to enhance a channel efficiency.

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