Telecommunications – Transmitter and receiver at separate stations – Having measuring – testing – or monitoring of system or part
Patent
1994-05-26
1995-11-28
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at separate stations
Having measuring, testing, or monitoring of system or part
455 88, 455115, 4552261, 455 541, H04B 1700
Patent
active
054716497
ABSTRACT:
Base Station Transceiver Equipment 10 is provided such as for use in a cellular radio telephone system. In a first aspect of the invention, a device within the equipment measures a parameter (e.g. timing, signal strength) of a mobile transceiver and instructs the mobile to adjust that parameter of its transmitted signals. Subsidiary transceiver equipment 11 (a diagnostic sub-system or "test mobile") is provided in relative proximity to the base station transceiver equipment. The subsidiary equipment can change the parameter of its transmissions to simulate relative distance from the base station transceiver equipment for test purposes. In other aspects of the invention, a device is provided for testing the base station antenna.
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S. Hansen et al.: "The GSM Base Station System and the Related Equipment".
Philips Telecommunication & Data Systems Review, vol. 45, No. 3, Sep. 1987, Eindhoven NL. pp. 69-80, E. Grohmann et al.: "Radio Base Station RBS 901 for the Nordic Mobile Telephone System".
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Pickersgill Phillip
Rees Idris J. M.
Eisenzopf Reinhard J.
Motorola Inc.
Vo Nguyen
Warren Raymond J.
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