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Directive, electrically-small UWB antenna system and method

  • US 9,209,525 B2
  • Filed: 04/01/2012
  • Issued: 12/08/2015
  • Est. Priority Date: 04/01/2011
  • Status: Active Grant
First Claim
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1. An electrically-small directive antenna system comprising a twin lead transmission line and at least one load and further comprising a multipole configuration of radiation centers, the radiation centers emitting or receiving signals, and the radiation centers phased so as to yield a substantial cancellation of the signals in at least one direction resulting in a directive antenna pattern and wherein the twin-lead transmission line is impedance matched to at least one load, wherein the twin-lead transmission line is characterized by a length greater than a separation distance, and wherein the length is less than a quarter wavelength at a frequency of operation.

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