Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Patent
1997-07-29
1999-08-03
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
455 69, H04B 100
Patent
active
059337826
ABSTRACT:
A downlink transmission power control scheme for a mobile communication system using the site diversity, which carries out a primary downlink transmission power control using a primary control signal which is transmitted from the mobile station and terminated at each base station, and an additional downlink transmission power control using additional control signals which are transmitted from the base station control station to the base stations. The additional downlink transmission power control may also use a secondary control signal which is transmitted from the mobile station and terminated at the base station control station. The primary downlink transmission power control can be carried out during a non-site diversity period while the additional downlink transmission power control is carried out during the site diversity period, or the primary downlink transmission power control and the additional downlink transmission power control can be both carried out during the site diversity period.
REFERENCES:
patent: 5265119 (1993-11-01), Gilhousen et al.
patent: 5487180 (1996-01-01), Ohtake
patent: 5771451 (1998-06-01), Takai et al.
patent: 5878350 (1999-03-01), Nakamura et al.
Nakamura Takehiro
Nakano Etsuhiro
Ohno Koji
Sato Takaaki
Aoki Makoto
Eisenzopf Reinhard J.
NTT Mobile Communications Network Inc.
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