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Intelligent Reflecting Surfaces at Terahertz Bands: Channel Modeling and Analysis
An intelligent reflecting surface (IRS) at terahertz (THz) bands is expected to have a massive number of reflecting elements to compensate for the severe propagation losses.
Millimeter-wave Multimode Circular Array for Spatially Encoded Beamforming in a Wide Coverage Area
The circular antenna array is capable of an entire 360 deg.
Millimeter-wave Multi-mode Circular Antenna Array for Uni-cast Multi-cast and OAM Communication
The classical mode excitation of the latter is modified such that in the horizontal plane the antenna array operates as multimode transmitter (i. e., it provides broad- , uni- and/or multi-cast transmission), while in the vertical direction OAM transmission occurs: this dual-functionality by a single antenna-array at 28 GHz is presented for the first time.
Two-Parametric Nyquist Pulses with Better Performance Based on Inverse Hyperbolic Functions
In this article, three new inter-symbol interference (ISI)-free pulses with enhanced performance compared to the state-of-the-art are proposed and studied in terms of frequency and time domain characteristics.
Intelligent Reflecting Surfaces with Spatial Modulation: An Electromagnetic Perspective
Using a secondary source present in a wireless communication environment, such as a backscatter tag, it is possible to leverage the incoming radiation from the source as a reference-wave to synthesize the desired wavefront across the reflecting surface, radiating a field of interest.
