In recent years, the hybrid branch‐line coupler has attracted much attention due to its
appealing features such as of low cost and ease in fabrication for wireless communications …

Energy harvesting is well established as one of the prominent enabling technologies [along
with radio-frequency identification (RFID), wireless power transfer, and green electronics] for …

Substrate-integrated circuits (SICs)[1] have attracted much attention in the last several years
because of their great potential. The first implementation of the concept can be found in [2] …

A novel millimeter-wave (mm-wave) 90° phase-compensated hybrid coupler using the ridge-
gap waveguide (RGW) technology is studied and developed. The coupler is low-loss at mm …

The evolution of a wireless communication system to the fifth generation is accompanied by
a huge improvement in the performance of the communication system through providing …

Printed ridge gap waveguide (PRGW) is considered among the state of art guiding
technologies due to its low signal distortion and low loss at Millimeter Wave (mmWave) …

In this paper, a simplified ray tracing method is used to approximately predict the coupling
characteristics of H-plane multi-aperture substrate integrated waveguide (SIW) couplers …

The fifth generation (5G) is the next wireless mobile communication technology that targets
to provide huge capac-ity, low latency and high data speeds. Like any new wireless …

Substrate integrated circuits (SIC) have attracted much attention in the last years because of
their great potential of low cost, easy manufacturing, integration in a circuit board, and higher …

In this paper, Quadrature Phase Shift Keying (QPSK) modulation and demodulation system
based on a Substrate Integrated Waveguide (SIW) is designed and implemented for high …