Pulse or digital communications – Repeaters – Testing
Patent
1995-05-04
1998-07-14
Chin, Wellington
Pulse or digital communications
Repeaters
Testing
375222, 375376, 34082574, 379 59, 370330, 380 34, 455422, H04K 104, H04L 2726, H04B 138
Patent
active
057815828
ABSTRACT:
A base station communicates with a plurality of mobile stations over a cellular network. In one embodiment, the base station includes a receiver having a receiver synthesizer input, where the receiver is configured to receive inbound information from the mobile station on a first predetermined frequency. The receiver further has two programmable frequency sources that are configured to alternately supply a receiver synthesizer input signal to the receiver. The base station also includes a transmitter having a transmitter synthesizer input, where the transmitter is configured to transmit outbound information to the mobile station on a second predetermined frequency. The transmitter further has two programmable frequency sources that are configured to alternately supply a transmitter synthesizer input signal to the transmitter. A processor is connected to the receiver and the transmitter and is configured to decode the inbound information and to encode the outbound information to communicate with the mobile station. This two-way communication continues by programming and then alternately selecting the receive synthesizers to receive on the correct frequency, and by programming and then alternately selecting the transmit synthesizers to transmit on the correct frequency. A preferred protocol is Global Systems for Mobile Communication (GSM).
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Msutta Gurbux S.
Sage Gerald F.
Chin Wellington
InterWAVE Communications International Ltd.
Luther William
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