Millimeter-wave bands (around 28, 38, 60, and 73 GHz) are anticipated to play a decisive
role in the hosting of future wireless systems. The necessity of smart antennas to adaptively …

A symmetrical dual-beam end-fire bowtie antenna with gain enhancement is achieved by
integrating three pairs of metamaterial (MTM) arrays for 5G MIMO applications. The first pair …

In this letter, a compact substrate-integrated waveguide (SIW) notched-septum polarizer is
designed, manufactured, and tested. Metalized slots are used instead of vias in proximity to …

This article reviews and summarizes the developments of endfire circularly polarized (CP)
planar antennas. The difficulty in designing such antennas is that there is not a large …

Beam steering characteristics of millimeter-wave substrate-integrated magneto-electric (ME)
dipole phased arrays with large sizes are investigated in this article. The formation …

The design of 5G 4-element antenna array system with the capability of switching its
operation between right hand circular polarization (RHCP) and left hand circular polarization …

A novel Ka-band spoof-surface-plasmon-polaritons (SSPPs) Butler-matrix-fed multibeam
patch antenna array is proposed. An SSPPs-fed single-layered microstrip patch antenna …

This paper presents a compact SIW beamforming network (BFN) for feeding a four-beam slot
array antenna, which can be used in 5G mobile applications. The proposed BFN is realized …

A wideband vertically-polarized end-fire magneto-electric (ME) dipole antenna fed by an
asymmetrical substrate integrated coaxial line (ASICL) is proposed for millimeter-wave (mm …

In this letter, a high-efficiency multibeam circularly polarized (CP) antenna array with the
groove gap waveguide (GGW) feeding technology for W-band application is proposed. First …