Transmitter circuit architecture and method for reducing in-band noise in point to multipoint communication systems
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United States of America Patent
Stats
-
Mar 2, 2004
Grant Date -
Sep 11, 2003
app pub date -
Jun 27, 2001
filing date -
Jun 27, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A novel wireless point to multipoint communication system which maximizes the number of remote stations capable of communicating with a base station is disclosed. Independent gain control of the transmitter on the remote stations as a function of the distance between the remote station and the base station is used. The gain control may be accomplished by attenuators in the RF transmit circuit of the remote stations. The attenuators may be placed immediately preceding the RF amplifiers in the RF transmit circuit of the remote stations. The amount of attenuation of the attenuators may be controlled by a microprocessor. By minimizing the gain from the remote station transmitters, the noise floor of the base station receiver is minimized thereby increasing the performance of the base station receiver. This increase in performance permits more remote stations to communicate with the base station.
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