Reverse link, transmit power correction and limitation in a radiotelephone system

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United States of America Patent

PATENT NO 5452473
SERIAL NO

08203151

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
QUALCOMM INCORPORATED5775 MOREHOUSE DRIVE SAN DIEGO CA 92121

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kerr, Richard J San Diego, CA 7 611
Kornfeld, Richard K San Diego, CA 16 863
Maloney, John E San Diego, CA 29 2634
Weiland, Ana L Encinitas, CA 6 350
Wilson, Nathaniel B San Diego, CA 13 1028

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