Method and apparatus for controlling uplink power to...

Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability

Reexamination Certificate

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Details

C714S052000, C714S708000, C714S712000, C714S715000

Reexamination Certificate

active

10798166

ABSTRACT:
In the absence of a continuous channel from the mobile terminal that incorporates a CRC in each transmitted frame from which the base station can derive a power control signal for feedback to the mobile station for maintaining the mobile station's pilot Eb/N0level at a desired target that corresponds to a particular frame error rate, the pilot signal received by the base station from the mobile terminal itself is arranged in a frame format. Each pilot frame is compared with an a prioi known transmitted pilot signal bit pattern to determine whether it has been received in error. In response to a comparison of a received pilot frame with the expected known bit pattern of the pilot frame, an error signal is derived, which in the described embodiment is either a step-up or step-down signal that is fed back to the mobile terminal to increase or decrease its transmitted pilot Eb/N0level, respectively.

REFERENCES:
patent: 6963753 (2005-11-01), Hamabe
patent: 2001/0010684 (2001-08-01), Willenegger et al.
patent: 2002/0085502 (2002-07-01), Chheda et al.
patent: 893 889 (1999-01-01), None
patent: 1 501 208 (2005-01-01), None
patent: WO99/12275 (1999-03-01), None
European Search Report, Appl. No. 05251293.6-2411 PCT/, (Jul. 20, 2005).

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