Interlaced multiband antenna arrays

  • US 7,932,870 B2
  • Filed: 06/02/2009
  • Issued: 04/26/2011
  • Est. Priority Date: 10/26/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. An interlaced multiband antenna array comprising:

  • a plurality of antenna elements;

    wherein the interlaced multiband antenna array is adapted to operate simultaneously on a plurality of working frequency bands;

    wherein positions of the plurality of antenna elements result from juxtaposition of a plurality of mono-band antenna arrays, each mono-band antenna array of the plurality of mono-band antenna arrays comprises a plurality of mono-band antenna elements;

    wherein a number of the plurality of mono-band antenna arrays corresponds to a number of the plurality of working frequency bands of the interlaced multiband antenna array;

    wherein the interlaced multiband antenna array employs a single multiband antenna element in positions where mono-band antenna elements of a plurality of the plurality of mono-band antenna arrays come together;

    wherein the single multiband antenna element comprises a plurality of electromagnetically-coupled portions which are adapted to interact with each other to establish radio-electric characteristics of the single multiband antenna element with respect to radiation and impedance patterns that are substantially similar in a plurality of the plurality of working frequency bands;

    wherein a central frequency of a first working frequency band of the plurality of working frequency bands does not corresponds to an integer divider of a central frequency of a second working frequency band of the plurality of working frequency bands; and

    wherein at least one mono-band antenna element of one of the plurality of mono-band antenna arrays operating at said first working frequency band is repositioned to coincide with a nearest mono-band antenna element of another one of the plurality of mono-band antenna arrays operating at said second working frequency band.

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