Wan, J;
Tong, KF;
Chan, CH;
(2019)
Simulation and Experimental Verification for a 52 GHz Wideband Trapped Surface Wave Propagation System.
IEEE Transactions on Antennas and Propagation
, 67
(4)
pp. 2158-2166.
10.1109/TAP.2019.2905657.
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Abstract
Trapped surface wave (TSW) provides a flexible 2-D wireless solution when compared to existing wired and free space communications systems. This work aims to provide the theoretical guidance, supported by simulation techniques and experimental verifications, for 1) designing the wideband and highly efficient rectangular aperture TSW transducers and 2) selecting the best reactive surface impedance for high efficiency. First, a method for computing the TSW excitation efficiency is proposed for the first time and it can be applied to different kinds of reactive surface geometries and transducer apertures. Then, the relation between the TSW excitation efficiency, surface reactance, and aperture height is derived. Then, the maximum excitation efficiency, the corresponding optimal surface reactance, and aperture height are presented. Furthermore, the relation between the TSW angular coverage and aperture width is determined. These studies show that the aperture height mainly determines the TSW excitation efficiencies, while the aperture width controls the TSW angular coverage; hence, the two aperture parameters of a transducer can be independently determined. Finally, an experiment setup, based on the provided guidelines, has been built to demonstrate a 52 GHz wide 3 dB-transmission-bandwidth for high-performance communications systems.
| Type: | Article |
|---|---|
| Title: | Simulation and Experimental Verification for a 52 GHz Wideband Trapped Surface Wave Propagation System |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/TAP.2019.2905657 |
| Publisher version: | https://doi.org/10.1109/TAP.2019.2905657 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Science & Technology, Technology, Engineering, Electrical & Electronic, Telecommunications, Engineering, Aperture, surface wave, ultra-wideband antenna |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10072929 |
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