Please use this identifier to cite or link to this item: https://doi.org/10.1109/LAWP.2014.2311813
Title: SIW-slot-fed thin beam-squint-free fabry-pérot cavity antenna with low backlobe levels
Authors: Liu, W.
Chen, Z.N. 
See, T.S.P.
Liu, F.
Keywords: Beam squint
Fabry-Pérot cavity
high-gain antenna
low profile
substrate integrated waveguide
Issue Date: 2014
Citation: Liu, W., Chen, Z.N., See, T.S.P., Liu, F. (2014). SIW-slot-fed thin beam-squint-free fabry-pérot cavity antenna with low backlobe levels. IEEE Antennas and Wireless Propagation Letters 13 : 552-554. ScholarBank@NUS Repository. https://doi.org/10.1109/LAWP.2014.2311813
Abstract: The substrate integrated waveguide (SIW)-slot feeding structure is introduced in a fully substrate-integrated thin Fabry-Pérot cavity (FPC) antenna to achieve the boresight radiation free of beam squint and with low backward radiation levels. Single longitudinal slot symmetrically cut onto the broadwall (the ground plane of the FPC) of the SIW is proposed to feed the FPC antenna in order to point maximum radiation at boresight and avoid frequency-dependent beam squint caused by conventional asymmetrically edge-fed feeding patch. The beam-squint variation of 11.3° along with the edge-fed patch feed is significantly reduced to 0.3° within the operating bandwidth of 9.8-10.1 GHz using the proposed SIW-slot feed. The comparison of the radiation performance shows the proposed SIW-slot-fed FPC antenna suitable for integrated circuits. © 2002-2011 IEEE.
Source Title: IEEE Antennas and Wireless Propagation Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/83030
ISSN: 15361225
DOI: 10.1109/LAWP.2014.2311813
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