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Dual-Band Patch Antenna with Filtering Performance and Harmonic Suppression

Mao, C, Gao, Steven, Wang, Y, Sanz-Izquierdo, Benito, Wang, Z, Qin, F, Xin Chu, Q, Li, Jianzhou, Gao, W, Xu, J and others. (2016) Dual-Band Patch Antenna with Filtering Performance and Harmonic Suppression. IEEE Transactions on Antennas and Propagation, 64 (9). pp. 4074-4077. ISSN 0018-926X. (doi:10.1109/TAP.2016.2574883) (KAR id:55780)

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A novel design of dual-band antenna with integrated filtering performance is proposed. A low-profile aperture-coupled U-slot patch antenna is employed for dual-band operation with a uniform polarization, which is fed by a dual-mode stub-loaded resonator (SLR). The U-slot patch works as a dual-mode resonator of the dual-band filter as well as the radiation element. The odd- and even-mode of the SLR are coupled and tuned with the U-slot patch, generating two 2nd-order operation bands at 3.6 and 5.2 GHz. Compared with the traditional patch antenna, the proposed antenna exhibits improved bandwidth and frequency selectivity. In addition, the bandwidths can be controlled by adjusting the coupling strength between the SLR and the patch. Furthermore, the higher-order harmonics can be suppressed over a broadband without increasing the footprint of the design. Measured and simulated results agree well with each other, showing an excellent performance in terms of impedance matching, bandwidths, 2nd-order filtering, out-of-band rejection, cross polarization discrimination (XPD) and gains at both bands.

Item Type: Article
DOI/Identification number: 10.1109/TAP.2016.2574883
Subjects: T Technology
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: Tina Thompson
Date Deposited: 02 Jun 2016 14:10 UTC
Last Modified: 16 Feb 2021 13:35 UTC
Resource URI: (The current URI for this page, for reference purposes)
Gao, Steven:
Sanz-Izquierdo, Benito:
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