A Dual-Band Metasurface-Based Antenna with Shorting Pins
Zhang, Wenzhang, Zhou, Jiafeng, Huang, Yi, Akinsolu, Mobayode O., He, Mingwei and Liu, Bo (2021) A Dual-Band Metasurface-Based Antenna with Shorting Pins. In: 2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP), 15-17 November 2021, Chongqing, China.
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Abstract
A dual-band metasurface (MTS)-based antenna can be realized by composite right-/left-handed (CRLH) structures for wireless power transfer or ambient wireless energy harvesting. The bandwidth in the right-handed (RH) region can be obtained by exciting different desired transverse magnetic (TM) modes while that in the left-handed (LH) region can be achieved by mushroom radiating structures. The position choice of shorting pins in mushroom structures is significant since it will not only affect the potential bandwidth in the RH region, but also be related to the resonant frequencies in the LH region. The positions of the shorting pins will be chosen where the Electric field distribution is minimal for modes excited in the RH region. The proposed dual-band MTS-based antenna with an overall size of 0.375 λ0×0.375λ0×0.035 λ0 can achieve 25% and 48% fractional bandwidths, and 5.0 and 9.6 dBi peak gains in the lower and higher frequency band, respectively.
| Item Type: | Conference or Workshop Item (Paper) |
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| Keywords: | Microwave measurement , Microwave antennas , Antenna measurements , Wireless communication , Radio frequency , Dual band , Bandwidth |
| Divisions: | Applied Science, Computing and Engineering |
| Depositing User: | Hayley Dennis |
| Date Deposited: | 10 Jul 2024 14:49 |
| Last Modified: | 10 Jul 2024 14:49 |
| URI: | https://wrexham.repository.guildhe.ac.uk/id/eprint/18182 |
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