Evaluation of the reconfigurable printed fractal tree antenna for enhanced pattern diversity in MIMO systems

  • Authors:

  • Alex Lackpour;Prathaban Mookiah;Marc Olivieri;Kapil Dandekar

  • Affiliations:

  • Lockheed Martin Advanced Technology Laboratories, Cherry Hill, NJ and Department of Electrical and Computer Engineering, Drexel University, Philadelphia, PA;Department of Electrical and Computer Engineering, Drexel University, Philadelphia, PA;Lockheed Martin Advanced Technology Laboratories, Cherry Hill, NJ;Department of Electrical and Computer Engineering, Drexel University, Philadelphia, PA

  • Venue:
  • RWS'10 Proceedings of the 2010 IEEE conference on Radio and wireless symposium
  • Year:
  • 2010

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Abstract

This paper evaluates the reconfigurability of a 2D fractal tree antenna to improve the capacity of a 2x2 MIMO link using pattern diversity. Each fractal tree antenna possesses several degrees of freedom: number of fractal stages, branches per stage, angle between branches, and parent-to-child branch scaling length. Simulations of various Reconfigurable Printed Fractal Tree Arrays (RPFTAs) are conducted so their spatial correlation and MIMO channel capacity can be found. Capacity improvement from two different RPFTAs are reported, assuming a perfect feedback channel.