Method and apparatus for pre-transmission power control using lo

Details Method and apparatus for pre-transmission power control using lo Method and apparatus for pre-transmission power control using lo

1997-07-01

2000-05-23

Kuntz, Curtis A.

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

455 39, 455 69, 455517, H04B 100

Patent

active

06067458&

ABSTRACT:
The present invention employs a method and apparatus for providing improved power control when changing the rate at which data is sent in a communications system. When data arrives at the transmitter for transmission at a high rate, power control feedback is changed from a slow mode (with a low bandwidth feedback channel) to a fast mode (with a high bandwidth feedback channel). This control changes even before the data is transmitted at the high rate. Once the power level is accurately estimated for data transmission at the high rate, then data transmission begins at the high rate.

REFERENCES:
patent: 5461639 (1995-10-01), Wheatley, III et al.
patent: 5528593 (1996-06-01), English et al.
patent: 5621723 (1997-04-01), Walton, Jr. et al.
patent: 5754961 (1998-05-01), Serizawa et al.
patent: 5812938 (1998-09-01), Gilhousen et al.

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