Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Patent
1996-09-06
1999-04-13
Le, Thanh Cong
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
455 65, 4552772, H04B 726
Patent
active
058945989
ABSTRACT:
A radio communication system comprises a transmitting antenna for transmitting radio signals. Each radio signal is transmitted via one of a plurality of beams of different maximum radiated directions. The system also comprises a transmitting section for adding to a radio signal, transmitted via an i-th beam among the plurality of beams, beam identification information that identifies on which i-th beam of said plurality of beams said radio signal is being transmitted. The system further comprises a receiving antenna for receiving the radio signals transmitted by the plurality of beams and a receiver for selectively receiving a signal transmitted by a specific beam according to a predetermined estimation standard. Alternatively, the system may comprise a first radio station and a second radio station. The first radio station may include a transmitting antenna for transmitting signals with beam identification numbers and a receiving antenna for receiving signals from other radio stations. The second radio station may include a receiving antenna capable of receiving signals transmitted by the first transmitting antenna and a receiver for selectively receiving a signal transmitted by a specific beam according to a predetermined estimation standard. The second radio station may also include a transmitting antenna that forms a wide-angle beam to transmit the specific beam.
REFERENCES:
patent: 5095535 (1992-03-01), Freeburg
patent: 5561850 (1996-10-01), Makitalo et al.
patent: 5576717 (1996-11-01), Searle et al.
Cong Le Thanh
Kabushiki Kaisha Toshiba
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