Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2004-02-04
2008-03-04
Anderson, Matthew D. (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S442000, C455S524000, C455S436000, C370S318000, C370S320000, C370S331000, C370S332000, C370S333000, C370S334000
Reexamination Certificate
active
07340269
ABSTRACT:
Disclosed is an uplink transmission power control method, by which a transmission power of an uplink signal is efficiently controlled while a terminal communicates with a plurality of base stations. The present invention includes the steps of computing command values for a plurality of base stations in a terminal in soft handover with a plurality of the base stations transmitting power control commands to the terminal and lowering uplink transmission power if the command values computed for a plurality of the base stations includes at least one power-down command. And, the present invention includes the steps of receiving a power control command transmitted from at least one base station, computing at least one command value according to the received power control command, and lowering uplink transmission power if the command value includes a transmission power-down command value.
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International Search Report dated Aug. 24, 2004.
Ahn Joon Kui
Hwang Seung Hoon
Kim Bong Hoe
Anderson Matthew D.
Ked & Associates LLP
LG Electronics Inc.
Sharma Sujatha
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