$4 times4$ -Element Cavity Slot Antenna Differentially-Fed by Odd Mode Ridge Gap Waveguide. - Abduladeem Beltayib; Islam Afifi; Abdel Razik Sebak (IEEE Access, 2019)

Analytical Design Procedure for Forward Wave Couplers in RGW Technology Based on Hybrid PEC/PMC Waveguide Model. - Abduladeem Beltayib; Abdel Razik Sebak (IEEE Access, 2019)