Optimal use of request access TDMA slots for automatic level control
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United States of America Patent
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Sep 7, 2004
Grant Date -
N/A
app pub date -
Jul 6, 1999
filing date -
Jul 6, 1999
priority date (Note) -
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Abstract
Systems and methods for controlling subscriber unit power level using power measurements made on access request transmissions. Since a subscriber unit access request typically precedes a subscriber unit data transmission by a relatively short period of time, the data transmission power level will then be based on a recent power measurement. The access request may also trigger a sequence of power control steps including the transmission of special upstream power measurement transmissions which can be used as the basis for even more accurate power control. These power control features are particularly useful in fading environments such as found in a wireless system.
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