Communications: directive radio wave systems and devices (e.g. – Directive – Utilizing correlation techniques
Patent
1997-09-18
2000-07-11
Issing, Gregory C.
Communications: directive radio wave systems and devices (e.g.,
Directive
Utilizing correlation techniques
G01S 328
Patent
active
060879866
ABSTRACT:
According to the present invention, there is provided an adaptive array antenna including a plurality of antenna elements for receiving radio waves transmitted via multi-carrier waves, weighting means for weighting received signals received by the plurality of antenna elements with weight amounts for the respective antenna elements, adding means for adding up weighted signals by the weighting means, extracting means for extracting particular carrier components from the received signals received by the plurality of antenna elements, and weight setting means for setting the weight amounts for the respective antenna elements to the weighting means on the basis of the particular carrier components extracted by the extracting means.
REFERENCES:
patent: 4890302 (1989-12-01), Muilwijk
patent: 5274844 (1993-12-01), Harrison et al.
patent: 5473333 (1995-12-01), Chiba
patent: 5854612 (1998-12-01), Kamiya
Takashi Sekiguchi, et al., "Beamspace Adaptive Array Antenna for Broadband Signals", Proceedings of International Symposium on Antennas and Propagation, Sep. 26, 1996, pp. 761-764.
Mukai Manabu
Namekata Minoru
Shoki Hiroki
Issing Gregory C.
Kabushiki Kaisha Toshiba
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