This paper reviews the topic of true time delay (TTD) and its importance and implications in
wideband imaging phased arrays. The paper describes an early analog version of TTD …

A novel multibeam antenna based on a 4× 4 Butler matrix with sidelobe level (SLL) control is
proposed in the 60-GHz band. The SLL is controlled using a dedicated circuit composed by …

This letter describes a novel focal curve design method for two-dimensional Rotman lenses.
The proposed design method offers some additional degrees of freedom in the design of …

A dual-layer Rotman lens with reduced footprint and wide field of view is introduced here in
substrate integrated waveguide (SIW) technology in the 24-GHz band. Both layers are …

This chapter presents an overview on the drivers behind the 5G evolution and explains
technological breakthroughs in the microwave and millimeter wave domain that will create …

A novel compact multilayer multibeam antenna array based on substrate integrated
waveguide (SIW) is proposed in this letter for 5G millimeter wave (mm‐wave) applications. A …

We propose a fast and accurate full-wave code capable of analyzing electrically large
substrate integrated waveguides consisting of stacked parallel-plate waveguides hosting …

A single-ended microstrip grid array antenna has been designed and measured for 24 GHz
automotive radars application. It has been designed on Rogers 5880 substrate with …

This paper describes a continuous parallel plate waveguide (PPW) quasi-optical
beamformer (QOBF) with an array of septum polarizers to generate circular polarization. The …

In recent years, the evolution of vehicular safety systems and the burgeoning field of
autonomous vehicles have underscored the need for advanced radar solutions tailored to …