Transmission controller for transmitters in base station for mob

Details Transmission controller for transmitters in base station for mob Transmission controller for transmitters in base station for mob

1997-04-02

1999-10-05

Bost, Dwayne D.

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

455 312, 455426, 34082544, H04B 1500

Patent

active

059638680

ABSTRACT:
A simulcasting transmitter control apparatus in a base station of a mobile telecommunication system controls the output timing of transmitters so as to achieve a simulcasting of their outputs in the same channel. The control apparatus including: a unit for inputting control data form a base station control unit, a unit for generating a reference clock, a unit for generating delayed clocks divided from the reference clock, and a delay unit for receiving the control data, setting each delay time period in accordance with the control data, and delaying outputting of paging data from the transmitter by the delay time period in synchronization with the delayed clocks. The delay time period of the delay unit according to the respective control data compensates for the delay characteristic of the transmitters. The simulcasting of the radio frequency signals of the same channel in a reiteration cell area is carried out in the present invention.

REFERENCES:
patent: 4696051 (1987-09-01), Breeden
patent: 5014344 (1991-05-01), Goldberg
patent: 5261118 (1993-11-01), Vanderspool, II et al.
patent: 5355529 (1994-10-01), Linquist et al.
patent: 5361398 (1994-11-01), Christian et al.
patent: 5365569 (1994-11-01), Witsaman et al.
patent: 5416808 (1995-05-01), Witsaman et al.
patent: 5455965 (1995-10-01), Shaughnessy et al.
patent: 5483665 (1996-01-01), Linquist et al.
patent: 5734985 (1998-03-01), Ito et al.

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