System for controlling electric power transmitted in reverse cha

Details System for controlling electric power transmitted in reverse cha System for controlling electric power transmitted in reverse cha

1997-06-16

1999-07-06

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

455524, 455442, 455 671, H04B 700

Patent

active

059208236

ABSTRACT:
The object of the present invention is to minimize the value of transmitted electric power in the reverse channel of a mobile radio station when a plurality of radio communication lines are connected for a relatively long period of time as upon no-break soft hand-over. The system for controlling the electric power transmitted in a reverse channel of the present invention is a mobile communication system for reducing the value of transmitted electric power of a mobile radio station being connected when communication quality of a signal received from the mobile radio station exceeds a range of permitted values. The system includes a base station control station which controls base radio stations. The base station control station has an error rate measuring circuit for selectively combined signals in reverse channels transmitted from the mobile radio station through all the connected communication lines and a reverse channel transmitted electric power correction control circuit. Each of the base radio stations has a reverse channel transmitted electric power control circuit.

REFERENCES:
patent: 5241690 (1993-08-01), Larsson et al.
patent: 5771451 (1998-06-01), Takai et al.
"An Overview of the Application of Code Division Multiple Access (CDMA) to Digital Cellular Systems and Personal Cellular Networks", May (1992), pp. 1-58.

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