Planar waveguide slot arrays (WSAs) have been used since 1940 and are currently used as
performing antennas for high frequencies, especially in applications such as communication …

In this communication, a planar folded dipole antenna array with wide operating bandwidth
and compact size is proposed for 5G millimeter-wave (mmWave) applications. The basic …

In the letter, a wideband dual circularly polarized (CP) waveguide antenna array is designed
for K and Ka dual-band satellite communications. A multistage square waveguide structure …

This letter presents an ultrawideband full-metal planar array antenna with over 60%
fractional bandwidth (FBW). A single-ridge waveguide excited semiopen radiating slot is first …

This letter proposes a 60 GHz planar waveguide array antenna with high antenna efficiency,
low cost, and low processing difficulty. The array integrates the radiating elements and the …

A novel wideband high-gain air-filled waveguide-fed antenna array is presented for
millimeter-wave applications. A design scheme based on the optimized multistage phase …

In this paper, an ultra-wideband circularly polarized (CP) waveguide antenna array for
millimeter-wave (mm-Wave) communications is presented. The design includes a wideband …

This article presents a full metal wideband high-performance cosecant squared (CSC2)
pattern antenna. A highly compact structure is achieved by a convoluted feeding network …

This communication introduces a wideband hollow-waveguide (HW)-based dual-polarized
antenna (DPA) with reduced metal layers. A new normal-size 4-to-4 cavity is backed with the …

In this work, an waveguide antenna array composed of stepped and slotted radiators for E-
band applications is presented. The proposed array architecture, including the feeding …