Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2008-05-20
2008-05-20
Gelin, Jean (Department: 2617)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S078000, C455S182100, C455S179100, C455S176100, C455S188100
Reexamination Certificate
active
07376446
ABSTRACT:
A base station for a mobile communications system, a mobile communications system including the base station and a method of increasing base station capacity. Each base station antenna is coupled to a transmission line that may be connected to a triplexer. The triplexer separates uplink signals from a duplex signal on the transmission line. The uplink and downlink signals are both in two sub-bands that are separated by a third sub-band. The triplexer passes the uplink signal to a duplexer/combiner that forwards the uplink signal to a combiner. The duplexer/combiner and combiner each pass downlink signals in one of the sub-bands to the triplexer, which combines the passes to the duplex signal.
REFERENCES:
patent: 6346912 (2002-02-01), Reinhart et al.
patent: 6603983 (2003-08-01), Hildebrand
patent: 7181171 (2007-02-01), Forrester
patent: 2004/0077379 (2004-04-01), Smith et al.
patent: 2004/0119644 (2004-06-01), Puente-Baliarda et al.
patent: 2004/0209590 (2004-10-01), Forrester et al.
patent: 2005/0153709 (2005-07-01), Forrester
Gelin Jean
Greenberg Laurence A.
Lau YungSang
Locher Ralph E.
Nokia Siemens Networks GmbH & Co. KG
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