Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2006-10-24
2006-10-24
Vuong, Quochien B. (Department: 2682)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S422100
Reexamination Certificate
active
07127273
ABSTRACT:
The invention relates to a radio communications system including a base station, a digital exchange, and a transmission system connecting the base station, and the digital exchange. The base station includes an antenna section, an RF receiver section for receiving an RF uplink signal from the antenna section, a mechanism for providing a digitised downconverted uplink signal from the received RF signal, and a mechanism for transferring the digitised down converted uplink signal to the digital exchange through the transmission system. The digital exchange includes a mechanism for receiving the digitised downconverted uplink signal and a mechanism for baseband processing of the digitised downconverted uplink signal.
REFERENCES:
patent: 5432838 (1995-07-01), Purchase et al.
patent: 5644622 (1997-07-01), Russell et al.
patent: 6298098 (2001-10-01), Krasner et al.
patent: 6377782 (2002-04-01), Bishop et al.
Pulkkinen Jani
Torvinen Marko
Nokia Corporation
Pillsbury Winthrop Shaw & Pittman LLP
Vuong Quochien B.
West Lewis
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