Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Patent
1997-11-03
2000-06-13
Urban, Edward F.
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
343908, 343722, 455562, 455129, H04Q 730
Patent
active
060759976
ABSTRACT:
Each transmitter/receiver pair of a radio base station is connected via an antenna bus and radio frequency feeder to antenna near parts equipment such as active antennas, boosters and tower mounted amplifiers. Automatic configuration and calibration of the antenna near parts equipment is accomplished by establishing communication between the base station and each of its connected antenna near part components. Each antenna near part component sends its identification to the base station over the antenna bus at power-on. Furthermore, communications selectively sent over the radio frequency feeder are monitored to determine the connectivity between individual transmitter/receiver pairs of the base station and each antenna near parts equipment. These radio frequency feeder communications are further processed to determine calibration data for configuring each antenna near parts equipment for optimal operation.
REFERENCES:
patent: 5170392 (1992-12-01), Riordan
patent: 5684859 (1997-11-01), Chanroo et al.
patent: 5745858 (1998-04-01), Sato et al.
patent: 5854986 (1998-12-01), Dorren et al.
patent: 5903826 (1999-05-01), Nowak
patent: 5937333 (1999-08-01), Sexton et al.
Lindqvist Dan
Lindskog Kristian
Osterling Jacob
Telefonaktiebolaget L M Ericsson (publ)
Tran Congvan
Urban Edward F.
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