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A MFIE/volume integral equation approach with minimum discretization effort for substrate integrated waveguide structures and leaky wave/slot antennas

: Vaupel, T.


Institute of Electrical and Electronics Engineers -IEEE-; IEEE Antennas and Propagation Society:
IEEE Antennas and Propagation Society International Symposium, APSURSI 2016. Proceedings : June 26-July 1, 2016, El Conquistador Resort, Fajardo, Puerto Rico
Piscataway, NJ: IEEE, 2016
ISBN: 978-1-5090-2886-3
ISBN: 978-1-5090-2885-6
ISBN: 978-1-5090-2887-0
IEEE Antennas and Propagation Society (International Symposium) <2016, Fajardo/Puerto Rico>
Fraunhofer FHR ()

This contribution deals with a magnetic field/volume integral equation approach for the characterization of substrate integrated waveguide (SIW) components combined with leaky wave/slot antennas. The SI-waveguides are constructed with a parallel plate medium connecting the ground-planes with vias modeled by volume currents, whereas the slot areas are considered by magnetic surface currents leading to a minimization of necessary basis functions. Further features comprise a concise SIW-port modeling with field monitoring using volume functions as well as compact SIW-absorbers with only 5 required basis functions. The approach is also well-suited for the characterization and optimization of microstrip-SIW transitions.