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Antenna Placement

Antenna Placement
MMA_Iridium.jpg

Satellite with integrated, 106-element
microstrip patch array.

Many techniques exist for the simulation of antennas in free-space. In practice such antennas are mounted on physical structures which significantly influences their free-space radiation characteristics. Measurements of the radiation characteristics of an antenna mounted on a large platform is difficult or even impossible to perform and the challenge therefore exists to accurately simulate the interaction of an antenna with electrically large environments.

Antenna placement problems can solved with  a number of different solver techniques in FEKO, depending on the electrical size of the structure:

  • Electrically small problems of only a few wavelengths can be solved with the Method of Moments (MoM)
  • Electrically large problems can be solved with the:
    • Multilevel Fast Multipole Method (MLFMM) which offers accuracy comparable with that of the MoM, but with an implementation that requires significantly less computational resources.
    • Hybrid Method of Moments / Physical Optics (MoM/PO).
    • Hybrid Method of Moments / Geometrical Optics (MoM/GO).
  • Electrically huge problems can be solved with the hybrid Method of Moments / Uniform Theory of Diffraction (MoM/UTD) technique.

 

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Radiation hazard zones around high powered communication antenna Windscreen antennas in a vehicle Wide-band communications antenna on naval platform
Additional Information

Additional Information