Subscriber unit for controlling initial power ramp-up using short codes
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United States of America Patent
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Feb 11, 2003
Issued Date -
N/A
app pub date -
Mar 1, 2002
filing date -
Jun 27, 1996
priority date (Note) -
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Abstract
A subscriber unit for controlling transmission power during the establishment of a communication channel utilizes the transmission of a short code during initial power ramp-up. The short code is a sequence which has a much shorter period than a conventional access code. The ramp-up starts from an initial power level which is quickly increased, while repeatedly transmitting the short code until a detection signal is received by the base station. The use of short codes limits power overshoot and interference.
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