Automatic power control system for a code division multiple access (CDMA) communications system
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United States of America Patent
Stats
-
Jan 6, 2004
Grant Date -
Aug 29, 2002
app pub date -
Feb 27, 2002
filing date -
Jun 30, 1995
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A subscriber unit (SU) transmitter transmits signals over global and assigned channels to a base station which are initialized at an initial power level and adjusted to a controlled power level in advance of transmitting a communication data signal on an assigned channel to the base station. The power level of the SU transmitter is controlled to adjust the SU transmitter power level in response to power control signals received from the base station. The SU transmitter power level is monitored in advance of transmitting a communication data signal on an assigned channel to the base station. The transmitter is controlled such that transmission of a communication data signal on an assigned channel is blocked if a predetermined power limit is reached before commencing transmission of the communication data signal on the assigned channel.
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