Telecommunications – Carrier wave repeater or relay system – Portable or mobile repeater
Reexamination Certificate
2006-02-28
2006-02-28
Corsaro, Nick (Department: 2684)
Telecommunications
Carrier wave repeater or relay system
Portable or mobile repeater
C455S127200, C455S430000, C370S318000
Reexamination Certificate
active
07006791
ABSTRACT:
An uplink power control system and method of the present invention includes a current sensing technique for predicting the P1 db power compression point. A dc current sensor detects the level of dc current transmitted from a control unit to an antenna unit of the system. The current measurements are analyzed to generate a theoretical prediction of amplifier linearity as the power levels are increased. The change in dc current indicates an inflection point where the amplifier no longer behaves linearly to an increase in RF power. Using this inflection point, an accurate assessment of the P1 db compression point of the system can be determined and the signal power levels adjusted accordingly.
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Corsaro Nick
Snell & Witmer L.L.P.
U.S. Monolithics, L.L.C.
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