Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1996-07-05
1999-11-23
Chin, Wellington
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455522, 455 671, 4552261, H04Q 722
Patent
active
059916273
ABSTRACT:
The invention relates to controlling transmission power and carrying out a handover during a data transmission over the radio path between a mobile station and a base station (BTS) in a mobile telecommunications system. A mobile station can be allocated at least two traffic channels for a high-speed data transmission. The mobile station is arranged to measure the characteristics of the received signal, such as the signal level and/or quality, in each of the allocated traffic channels. The radio network is arranged to control the transmitting power of the mobile and base stations and make the decision on a handover on the basis of a combination of measurement results of two or more traffic channels, or on the basis of the measurement result of the poorest traffic channel.
REFERENCES:
patent: 4763322 (1988-08-01), Eizenhofer
patent: 4972506 (1990-11-01), Uddenfeldt
patent: 5199031 (1993-03-01), Dahlin
patent: 5579373 (1996-11-01), Jang
patent: 5603081 (1997-02-01), Raith et al.
Honkasalo Harri
Honkasalo Zhi-Chun
Jokinen Harri
Lin David
Posti Harri
Chin Wellington
Nokia Telecommunications Oy
Sobutka Philip J.
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