Method of calibrating and testing spatial nulling antenna

Details Method of calibrating and testing spatial nulling antenna Method of calibrating and testing spatial nulling antenna

1997-09-26

1999-12-28

Chin, Wellington

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455562, 455101, 455132, 455272, 342360, 342423, 34235708, 34235712, H04Q 732, H04B 710

Patent

active

060093358

ABSTRACT:
A method and apparatus is provided for calibrating and detecting faults in a receiver having a multi-element antenna. The method includes the steps of selecting an antenna element of the multi-element antenna and transmitting a signal through the selected element. The method further includes the steps of detecting the transmitted signal through at least one antenna element of a remaining set of elements of the multi-element antenna and calculating a phase shift for the at least one antenna element of the remaining set of elements.

REFERENCES:
patent: 5263189 (1993-11-01), Kultgen et al.
patent: 5469172 (1995-11-01), Schleder et al.
patent: 5724666 (1998-03-01), Dent
patent: 5826179 (1998-10-01), Lindenmeier et al.
patent: 5870681 (1999-02-01), Myer
patent: 5884192 (1999-03-01), Karlsson et al.
patent: 5903826 (1999-05-01), Nowak
patent: 5926768 (1999-07-01), Lewiner et al.
patent: 5930243 (1999-07-01), Parish et al.

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