A Low-Profile Broadband Filtering Dielectric Resonator Antenna Based on SISL With the Improvement of Suppression Level
Ningning Yan,
Cong Wang,
Yu Luo
et al.
Abstract:To achieve a low-profile, wide-bandwidth, and highly selective design, this paper presents a substrate integrated suspended line (SISL) based broadband filtering dielectric resonator antenna (DRA) with the improvement of suppression level. The dielectric resonator is cylindrical and fed from the bottom by a microstrip-coupled slot. The dual head structure with the designed open stub can provide two radiation nulls on both sides of the passband for the filtering function and can excite three resonant modes (HEM… Show more
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