Method and apparatus for determining a transmit power

Details Method and apparatus for determining a transmit power Method and apparatus for determining a transmit power

2008-01-15

2008-01-15

Maung, Nay (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S067110, C455S069000, C455S422100, C455S446000, C455S456500

Reexamination Certificate

active

07319883

ABSTRACT:
The invention relates to determining a transmit power in a cellular communication system comprising a cell including an inner zone served by a first carrier and an outer zone. A base station (201) comprises a receiver (211) for receiving measurement reports from communication units (203, 205, 207, 209). The measurement reports comprise receive characteristics such as receive signal levels. A distribution processor (217) generates a distribution of the receive characteristics, and a modified transmit power processor (219) determines a modified transmit power level in response to the distribution. Specifically, a modified transmit power level is determined as the power reduction of a transmit power that will result in a given traffic distribution between the inner zone and the outer zone. the modified transmit power processor (219) is coupled to a cell transmit power processor (225) which determines a cell transmit power associated with the first carrier in response to the modified transmit power level. Specifically a maximum transmit power of the first carrier is set to the cell transmit power level.

REFERENCES:
patent: 5901355 (1999-05-01), Doner
patent: 6760566 (2004-07-01), Wright et al.
patent: 2002/0187784 (2002-12-01), Tigerstedt et al.
patent: 2002/0187811 (2002-12-01), Gerogiokas
patent: 0 920 145 (1999-06-01), None

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