Reverse link, transmit power correction and limitation in a radi

Details Reverse link, transmit power correction and limitation in a radi Reverse link, transmit power correction and limitation in a radi

1995-03-20

1996-12-31

Faile, Andrew

Telecommunications

Transmitter and receiver at separate stations

With control signal

455115, 455116, 455126, H04B 104

Patent

active

055904084

ABSTRACT:
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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"CDMA Network Engineering Handbook", Nov. 23, 1993, pp. 8-1 -8-8.

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