H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 7/32 (2006.01)
Patent
CA 2275156
The process and apparatus of the present invention limits the output power of a radiotelephone, operating in a cellular system in the preferred embodiment. This ensures the transmitted sidebands and synthesizer phase noise remains within a certain specification. This is accomplished by power detection and a correction accumulator that together, generate a gain control signal by limiting the gain adjustment to a maximum value, even when the cell site communicating with the radiotelephone is sending power turn-up commands to the radiotelephone. This process includes dynamically correcting the output level of the transmitter due to gain variations in the transmitter stages or gain control elements.
Kerr Richard J.
Kornfeld Richard K.
Maloney John E.
Weiland Ana L.
Wilson Nathaniel B.
Qualcomm Incorporated
Smart & Biggar
LandOfFree
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