Transmission level control system and method in radio communicat

Details Transmission level control system and method in radio communicat Transmission level control system and method in radio communicat

1994-03-10

1996-06-11

Pham, Chi H.

Telecommunications

Transmitter

Plural separate transmitters or channels

455116, 455126, H04B 104

Patent

active

055265294

ABSTRACT:
In a transmission level control system in a radio communication station where an in-station apparatus is connected with an antenna site through a transmission line, the in-station apparatus includes a plurality of burst carrier transmitters, and the antenna site comprises a level controller for controlling the carrier level so as to compensate the received carriers for level reduction stemming from the transmission line. The in-station apparatus comprises a carrier combiner for combining the transmitted burst carriers to transmit them to the antenna site through the transmission line, a selector for selecting one of the burst carrier transmitters, and a controller for activating the level control operation of the level controller only when only the burst carrier transmitter selected by the selector outputs the transmitted carrier, otherwise inhibiting. In cases where there are some continuous carriers in the transmitted carriers, the level control operation is activated only when all the transmitted carriers are continuous carriers, otherwise inhibited.

REFERENCES:
patent: 5101176 (1992-03-01), Norimatsu
patent: 5187809 (1993-02-01), Rich et al.
patent: 5257415 (1993-10-01), Kumagai et al.
patent: 5369789 (1994-11-01), Kosugi et al.
Patent Abstracts of Japan, vol. 15, No. 236 (E-1078) Jun. 18, 1991; JP-A-03 071 731.
Patent Abstracts of Japan, vol. 15, No. 288 (E-1092) Apr. 26, 1991; JP-A-03 101 525.

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