CDMA type mobile communication system capable of realizing soft

Details CDMA type mobile communication system capable of realizing soft CDMA type mobile communication system capable of realizing soft

1997-06-06

2000-09-12

Hunter, Daniel S.

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

455442, 370332, H04B 138

Patent

active

061190187

ABSTRACT:
Each radio base station (12-1, 12-2) receives an upward communication channel signal from a mobile station (13-2), calculates a transmission power control signal on the basis of the upward communication channel signal, and transmits the transmission power control signal. A host station (11A) receives the transmission power control signals from the radio base stations as received transmission power control signals, selects, as a selected transmission power control signal, one of the received transmission power control signals that makes upward transmission power for the mobile station the lowest power level, and transmits the selected transmission power control signal to a particular one of the radio base stations that communicates with the mobile station. The particular radio base station receives the selected transmission power control signal and transmits the selected transmission power control signal. The mobile station receives the selected transmission power control signal and controls the upward transmission power on the basis of the selected transmission power control signal.

REFERENCES:
patent: 4613990 (1986-09-01), Halpern
patent: 5305468 (1994-04-01), Bruckert et al.
patent: 5485486 (1996-01-01), Gilhousen et al.
patent: 5574983 (1996-11-01), Douzono et al.
patent: 5771451 (1998-06-01), Takai et al.
patent: 5774785 (1998-06-01), Karlsson
patent: 5794129 (1998-08-01), Komatsu
patent: 5805994 (1998-09-01), Perreault et al.
patent: 5839056 (1998-11-01), Hakkinen
Telecommunication Industry Association/Electronic Industries Association/IS-95, PN-3421, pp. 6-194, 7-12-7-13.

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