Research Areas

Our group has worked in many diverse areas within electromagnetics, antennas, and microwave engineering. Below are listed some brief descriptions of areas in which we made pioneering contributions. We also have presented exciting and comprehensive presentations at many IEEE sponsored conferences including the International Symposium on Antennas and Propagation and International Microwave Symposium (IMS). Below is a video presentation by Prof. Rahmat-Samii at a recent IMS conference highlighting our work in the areas of electromagnetics.

Antennas for Wireless Communications

  • MIMO antennas
  • Fractal antennas
  • Low-profile antennas for implantable medical devices inside a human body
  • Ultra wide band (UWB) antennas
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Satellite and Ground Antennas

  • Distortion compensation using MEMS-controlled sub-reflectarray
  • Reflector surface distortion compensation using focal plane adaptive array feeds
  • Antennas for high power microwave (HPM) applications
  • Ultra scanning geostationary radar antennas
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Antenna Measurement Techniques

  • Bi-polar planar near-field antenna measurement technique
  • Analysis and development of antennas for compact range applications
  • Near-field technique for antenna measurement and characterization
  • Spherical near-field measurement technique
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Numerical and Optimization Techniques

  • Electromagnetic modeling of periodic structures including frequency selective surfaces (FSS) and mesh configurations
  • Genetic algorithm (GA) optimization
  • Comprehensive diffraction synthesis and PO/PTD/GTD analysis techniques for multi reflector shaped antennas
  • Analysis of radiation and scattering characteristics of antennas mounted on large structures
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Periodic and Electromagnetic Band Gap Structures

  • Fractal FSS's
  • Low-profile circularly polarized curl antennas using EBG
  • Broadband characterization of complex periodic/EBG MEMS enabled FSS
  • Frequency selective surfaces (FSS)
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