Telecommunications – Transmitter and receiver at separate stations – With control signal
Patent
1997-06-05
1999-08-17
Kuntz, Curtis A.
Telecommunications
Transmitter and receiver at separate stations
With control signal
455437, 455522, 370331, 370335, H04Q 720
Patent
active
059407433
ABSTRACT:
A method and apparatus for controlling the transmission power of a mobile station during handoff of a call between base stations of a cellular system A desired transmission power of a mobile station on an assigned traffic channel of a target base station is determined, and the transmission power of the mobile station is adjusted over a range of power values to be set to the desired transmission power level. The desired transmission power of the mobile station may be determined based on measurements made on the pilot channel of the target base station at the mobile station. Alternately, base station power classes may be defined for the cellular system so that each base station at which it is desired to receive mobile station transmissions at a signal level within a selected range is assigned to a power class associated with that selected range A mobile station involved in a handoff can determine the power level at which it should begin transmitting on a new traffic channel during handoff by determining the power class of the base station to which the new traffic channel is assigned.
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Hottinen Ari
Sunay Oguz
Teittinen Marko
Kuntz Curtis A.
Nokia Mobile Phones Limited
Rivers Brian T.
Vuong Quochien B.
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