A multiresonance double cross element is used to design a dual-band reflectarray with dual linear polarization. The proposed element has a single conductive layer structure which makes it easy to manufacture. The results presented in this paper show that the mutual effect between the elements of the two bands is negligible. Hence, it is easy to achieve the phase compensation for each band separ...

Abstract : This paper presents an equivalent model for a multiple-resonance reflectarray cell. It allows predicting the different phase-states of the cell from only a very few full-wave simulations. Demonstrations are first given for a passive cell where different geometrical parameters are varied. Then, the approach is generalized to a reconfigurable cell. Finally, a canonical reflectarray wit...

This paper proposes a novel method for designing dual-polarized reconfigurable reflectarray antenna (RRA) based on symmetrically rotated sub-array operating in single-band. To improve aperture efficiency and prevent grating lobes, miniaturized unit cell of rectangular ring patch with size ...

A novel ultra-wideband (UWB) reflectarray antenna for the Internet of Vehicles (IoV) is introduced in this paper. By simply connecting neighboring elements, proposed achieves a remarkable radiation pattern bandwidth 20 GHz, ranging from 10 GHz to 30 GHz. To explain operating principles antenna, equivalent circuit (EQC) model unit cell built, which also provides an efficient and rapid way analyz...

This paper presents a unit cell structure for liquid crystal (LC)-based reconfigurable reflective arrays, aimed at improving the imbalance in response time. Conventional LC-based reflectarray antenna cells, which have been widely used as high-gain beam-steerable antennas, an time because of different alignment LC molecules during rise and decay times. By separating metal layers contact with lay...

This communication develops a triple-band shared-aperture antenna operating at X/K/Ka-band with high figures of merit such as aperture reuse efficiency and simple configuration to achieve gain. The proposed is implemented by integrating Fabry–Perot (FP) cavity X-band into dual-band reflectarray enabled frequency selective surfaces (FSSs). unit cells (UCs) form the phase-shifting for can offer p...