Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1996-11-14
1998-09-08
Eisenzopf, Reinhard J.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455562, 455524, 342367, H04Q 730
Patent
active
058059962
ABSTRACT:
A cellular radio system including a plurality of base stations. Each base station includes at least one radio transmitter and receiver, an antenna arrangement which includes at least one antenna having a predetermined radio coverage area, and one or more allocated radio channels for establishing a radio connection with the mobile radio stations within the predetermined radio coverage area. The antenna arrangement can be spatially orientationally directed automatically or by remote control, depending on the time of the day or variation in regional traffic load.
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patent: 5355516 (1994-10-01), Herold et al.
patent: 5428817 (1995-06-01), Tahagi
patent: 5485631 (1996-01-01), Bruckert
patent: 5504937 (1996-04-01), Kangas
WO, A1, 9212601, Jul. 23, 1992--p. 11, line 4-line 32.
WO, A1, 9216061, Sep. 17, 1992--p. 2, line 28-p. 4, line 11; p. 5, line 1-line 20.
Eisenzopf Reinhard J.
Nokia Telecommunications Oy
Sobutka Philip J.
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