access icon free Wideband low-profile dielectric resonator antenna with a lattice structure

A new kind of broadband dielectric resonator antenna with a lattice structure is presented. The top dielectric resonator broken up into a lattice structure is adopted to achieve a wide operating bandwidth in a compact size, which makes it suitable to be arrayed. A backed cavity based on substrate integrated waveguide technology is introduced to reduce the unwanted radiation from the surface wave. The antenna is excited through a slot feeding structure. Measured results show that the prototype can achieve an impedance bandwidth of 39% and a peak gain of 9.6 dBi.

Inspec keywords: substrate integrated waveguides; broadband antennas; antenna feeds; dielectric resonator antennas

Other keywords: slot feeding structure; substrate integrated waveguide technology; lattice structure; wideband low-profile dielectric resonator antenna; broadband dielectric resonator antenna; backed cavity

Subjects: Single antennas; Waveguides and microwave transmission lines; Other dielectric applications and devices

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http://iet.metastore.ingenta.com/content/journals/10.1049/el.2017.2604
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