Radio communication system

Details Radio communication system Radio communication system

2006-10-17

2006-10-17

Kerveros, James C. (Department: 2138)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

07124343

ABSTRACT:
A radio communication system includes a communication channel for the transmission of data packets from a primary station to a secondary station. In operation, on detection of a data packet, the secondary station transmits an acknowledgement signal to the primary station to indicate the status of the received data packet, and resets a timer. While the timer is running, the secondary station modifies a characteristic of uplink transmissions. In one embodiment the modification includes the secondary station transmitting a negative acknowledgement for each time at which a data packet could have been transmitted if no indication of a data packet is received. In another embodiment the modification includes the secondary station altering a parameter relating to transmission of channel quality information to the primary station.

REFERENCES:
patent: 5745502 (1998-04-01), Khayrallah et al.
patent: 6606313 (2003-08-01), Dahlman et al.
patent: 6871078 (2005-03-01), Nishioka et al.
patent: 2001/0032325 (2001-10-01), Fong et al.
patent: WO0135580 (2000-11-01), None

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