Compact printed log-periodic dipole arrays fed by SIW horn

Qiao Chen, Xiaoxing Yin, Lei Wang

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Substrate integrated waveguide (SIW) horn is a good planar feeding structure for planar antennas and arrays. In this letter, a 18 printed log-periodic dipole array (LPDA) antenna fed by a compact SIW horn is presented. Some linear arrays of metal vias are embedded inside the SIW horn to correct the phase and amplitude distributions on the horn aperture. The measured gain of the proposed antenna is 9.61 dBi, the half power beam-width is 18.1, the FTBR is 17.55 dB, the cross polarization in the axis direction is 21.48 dB, and the side-lobe lever is −14.93 dB at 10 GHz. Good agreement between the simulated and the measured results is obtained.
Original languageEnglish
Title of host publication12th European Conference on Antennas and Propagation (EuCAP 2018)
PublisherInstitution of Engineering and Technology
ISBN (Electronic)9781785618161
ISBN (Print)9781785618154
Publication statusPublished - 10 Dec 2018


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