Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Patent
1998-03-25
2000-09-12
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
455414, 455426, 455466, 455446, H04B 700, H04M 342
Patent
active
061190217
ABSTRACT:
A method of operating a cellular mobile radio system with a plurality of radio cells each of which is supplied by one or more base stations, in which connection each base station regularly sends out system information which is received and evaluated by mobile stations present in the supply region of the base station to indicated which services are supported at the time by the corresponding base station. The invention is characterized by the fact that one or more base stations of selected radio cells send out additional system information which can be received by correspondingly developed mobile stations, and the mobile station determines from the system information and the additional system information whether a cell supports no services, exclusively the previous services, exclusively one or more additional services, or all services offered.
REFERENCES:
patent: 5613213 (1997-03-01), Naddell et al.
patent: 5724664 (1998-03-01), Lantto
patent: 5752193 (1998-05-01), Scholefield et al.
patent: 5930241 (1999-07-01), Fried
patent: 5974322 (1999-10-01), Carlsson et al.
patent: 6041228 (2000-03-01), Niska et al.
Detecon Deutsche Telepost Consulting GmbH
Eisenzopf Reinhard J.
Nguyen Duc
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