Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Patent
1997-04-29
1999-08-03
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
455561, 455 73, 342361, 343797, H04B 140
Patent
active
059337885
ABSTRACT:
A radio station for transmitting and receiving digital information in a mobile communications system is provided having transmission and diversity reception implemented via a single antenna. For this purpose, the antenna has at least two exciter systems with different polarization. The transmitting and receiving units are connected to the exciter systems in a suitable manner, for example, via duplexers.
REFERENCES:
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patent: 4700196 (1987-10-01), Campbell et al.
patent: 4704733 (1987-11-01), Kawano
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patent: 5432780 (1995-07-01), Smith et al.
patent: 5550813 (1996-08-01), Vella-Coleiro
patent: 5576717 (1996-11-01), Searle et al.
patent: 5581260 (1996-12-01), Newman
patent: 5724666 (1998-03-01), Dent
Siemens Function Specification issued by Mobile Radio Networks, Siemens AG, 1995, 3 pages.
Wiesner, Lothar: "Fernschreib und Datenubertragung uber Kurzwelle," Siemens AG, 1980, pp. 93-105.
Faerber Michael
Muehlbauer Helmut
Wangerczyn Franz-Peter
Eisenzopf Reinhard J.
Nguyen Duc
Siemens Aktiengesellschaft
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