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https://doi.org/10.1109/TAP.2013.2293788
Title: | Metamaterial-based low-profile broadband mushroom antenna | Authors: | Liu, W. Chen, Z.N. Qing, X. |
Keywords: | Broadband antenna composite right/left-handed (CRLH) low profile metamaterial mushroom transmission-line model wide bandwidth |
Issue Date: | 2014 | Citation: | Liu, W., Chen, Z.N., Qing, X. (2014). Metamaterial-based low-profile broadband mushroom antenna. IEEE Transactions on Antennas and Propagation 62 (3) : 1165-1172. ScholarBank@NUS Repository. https://doi.org/10.1109/TAP.2013.2293788 | Abstract: | A metamaterial-based broadband low-profile mushroom antenna is presented. The proposed antenna is formed using an array of mushroom cells and a ground plane, and fed by a microstrip line through a slot cut onto the ground plane. With the feeding slot right underneath the center gap between the mushroom cells, the dual resonance modes are excited simultaneously for the radiation at boresight. A transmission-line model integrated with the dispersion relation of a composite right/left-handed mushroom structure is applied to analyze the modes. The proposed dielectric-filled $(\varepsilon-{\rm r}=3.38)$ mushroom antenna with a low profile of $0.06\lambda0 ($\lambda0 is the operating wavelength in free space) and a ground plane of $1.10\lambda-{0}\times 1.10\lambda0 attains 25% measured bandwidth ${(\vert S-{11}\vert | Source Title: | IEEE Transactions on Antennas and Propagation | URI: | http://scholarbank.nus.edu.sg/handle/10635/82688 | ISSN: | 0018926X | DOI: | 10.1109/TAP.2013.2293788 |
Appears in Collections: | Staff Publications |
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