Downlink power control method for wireless packet data network

Details Downlink power control method for wireless packet data network Downlink power control method for wireless packet data network

2005-02-15

2005-02-15

Trost, William (Department: 2683)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S127100, C370S318000

Reexamination Certificate

active

06856812

ABSTRACT:
In a system having a base station transmitter for transmitting data blocks to one or more mobile stations over a radio link, a method for determining a transmit power level at which to transmit a current block. A quality measurement is received from a mobile station indicating an average radio link quality over a previous group of blocks, wherein not all of the blocks of the previous group of blocks were necessarily transmitted at the same transmit power level. A transmit power attenuation level is determined for the current block based on the quality measurement. The transmit power attenuation level is subtracted from the initial transmit power level to determine the transmit power level for the current block.

REFERENCES:
patent: 5483669 (1996-01-01), Barnett et al.
patent: 5995496 (1999-11-01), Honkasalo et al.
patent: 6334047 (2001-12-01), Andersson et al.
patent: 6456605 (2002-09-01), Laakso et al.
patent: 6498925 (2002-12-01), Tauchi
patent: 6741866 (2004-05-01), Gustavsson

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