Scheme for controlling transmission powers during soft handover

Details Scheme for controlling transmission powers during soft handover Scheme for controlling transmission powers during soft handover

1997-05-21

1999-03-02

To, Doris H.

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455422, 455437, 455522, 455525, 455575, 370332, 370335, H04Q 700

Patent

active

058783504

ABSTRACT:
A scheme for controlling transmission powers during a soft handover in a CDMA mobile communication system, in which the receiving quality can always satisfy the reference quality even when a relationship between the receiving qualities at the base stations is reversed within the selective combination interval. In this transmission power control scheme, one radio channel among a plurality of radio channels is selected as a reference radio channel at the prescribed selective combination interval, and then a transmission power control is carried out at a prescribed transmission power control interval so that a receiving quality of the reference radio channel satisfies a prescribed reference quality, while not switching the reference radio channel within the prescribed selective combination interval.

REFERENCES:
patent: 5101501 (1992-03-01), Gilhousen et al.
patent: 5267261 (1993-11-01), Blakeney, II et al.
patent: 5574983 (1996-11-01), Douzono et al.

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