Method for adjusting transmit power during call set-up, and a cellular radio system
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United States of America Patent
Stats
-
Aug 7, 2001
Grant Date -
N/A
app pub date -
Feb 17, 1998
filing date -
Aug 18, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cellular radio system and a method for adjusting transmit power during call set-up. The system comprises at least one base station and a group of subscriber equipment communicating with one or more of the base stations. The signal-to-noise ratio between the subscriber equipment and a base station is estimated before an actual connection is set up. In order that the new connection not interfere with the existing connections, a desired power transmit value with which the desired signal-to-noise ratio is obtained is calculated for the transmit power of the transmitter. An initial value for the transmit power is calculated by means of the power-control parameters of the system and a given time constant and the transmission is started with the initial value. The transmit power in increased from the initial value to the desired power transmit value during a given time constant.
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Family
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