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Integrated filtering-antenna with controllable frequency bandwidth

Integrated filtering-antenna with controllable frequency bandwidth

Mao, C.X., Gao, S., Wang, Z.P., Wang, Yi, Qin, F., Sanz-Izquierdo, B. and Chu, Q.X. (2015) Integrated filtering-antenna with controllable frequency bandwidth. In: 9th European Conference on Antennas and Propagation (EuCAP), 13-17 May 2015, Lisbon, Portugal.

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Abstract

An integrated design of a band-pass filter and a patch antenna is proposed in this paper by using an aperture coupled structure. Traditionally, the microwave filter and antenna are designed separately using 50 Ohm interface and then connected by transmission lines, which lead to a large size and more loss. Here, the antenna and microwave filter are directly integrated without a 50 Ohm interface between them. Compared with the traditional cascade designing, the co-design of filter and antenna has a more compact size, simpler configuration, improved frequency selectivity and higher system efficiency. The frequency bandwidth also can be controlled by adjusting the dimension of the coupling aperture in the ground. The measured results agree very well with the simulations, showing the filtering-antenna has good performance in impedance matching, radiation pattern and antenna gain.

Item Type: Conference or Conference Paper (Poster)
Additional Information: © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. Published in Proceedings of 2015 9th European Conference on Antennas and Propagation (EuCAP), ISBN 978-88-907018-5-6.
Uncontrolled Keywords: Antenna radiation patterns, Band-pass filters, Microstrip antennas, Microwave antennas, Microwave filters, Antenna gain, Aperture coupled structure, Bandpass filter, Controllable frequency bandwidth, Coupling aperture, Filtering antenna, Frequency bandwidth, Impedance matching, Integrated filtering antenna, Microwave antenna, Microwave filter, Patch antenna, Radiation pattern, Transmission lines, Apertures, Band-pass filters, Bandwidth, Filtering theory, Microwave filters, Resonator filters, Aperture, Bandwidth, Filtering-antenna, Patch
Faculty / Department / Research Group: Faculty of Engineering & Science > Department of Engineering Science
Last Modified: 03 Jan 2017 15:36
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
URI: http://gala.gre.ac.uk/id/eprint/13937

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