Simulation of shaped metasurface antennas including the feeder coupling
(2022) 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting — Location: Singapore (4.December.2021)
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- Abstract
- An effective Method of Moment (MoM) tool able to rapidly and accurately analyze arbitrarily shaped metasurface (MTS) antennas is provided. The MTS is assumed to be fed by a coax probe as is usually the case in practice. The feed as well as the MTS are meshed with local basis functions. The calculation of the interactions between the MTS basis functions, which are the dominant unknowns, is accelerated with the FFT. The surface current is then computed iteratively using the GMRES algorithm. Once the currents on the MTS and on the feed are obtained, the efficiency of the antenna can be derived. The method is validated with an in-house numerical tool developed for the particular case of circular MTSs. An excellent comparison is observed
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Cavillot, J., Bodehou, N., & Craeye, C. (2022). Simulation of shaped metasurface antennas including the feeder coupling. 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting. Published. 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Singapore. https://doi.org/10.1109/APS/URSI47566.2021.9704196