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Calibration device for an antenna array, as well as an associated antenna array and methods for its operation

  • US 20040032365A1
  • Filed: 06/06/2003
  • Published: 02/19/2004
  • Est. Priority Date: 08/19/2002
  • Status: Active Grant
First Claim
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1. Calibration device for an antenna array, or for an antenna array which has two or more antenna elements (3, 3

  • ) which are arranged in two or more columns (7), preferably in front of a reflector (5), in which case a beam forming network (17) can be connected upstream of the column inputs (15) for the antenna elements (3, 3

    ) which are arranged in a respective column, characterized by the following features;

    if the total number of antenna elements (3, 3

    ) which are provided for a column (7) is N, where N is a natural number, only N/2 or less coupling devices (111) and/or probes (11) are provided, the number of couplers or probes (11) which are provided are associated with only some of the antenna elements (3, 3

    ); and

    a combination network (27, 27

    , 27

    ) is also provided, via which the coupling devices (111) and/or probes (11) which are provided are connected.

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