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A compact multiple-input-multiple-output (MIMO) antenna with very high isolation is proposed for ultrawide-band (UWB) applications. The antenna with a compact size of 30.1x20.5 mm^2 (0.31${\lambda}_0$ x0.21${\lambda}_0$ ) consists of two…

Instrumentation and Detectors · Physics 2017-12-04 Hossein Babashah , Hamid Reza Hassani , Sajad Mohammad-Ali-Nezhad

A three-dimensional model of a novel plasma based electrically small antenna is developed for investigating the gas properties and antenna parameters under a low pressure, low plasma temperature environment. The antenna exhibits dipole…

Plasma Physics · Physics 2026-04-10 Samsud Moon

In this paper, a Frequency Selective Surface fractalized unit cell design previously explored in the literature is replicated then extended and optimized for multilayer FSS morphologies. A 10 mm x 10 mm planar unit cell is used and then…

Signal Processing · Electrical Eng. & Systems 2024-02-16 Jordon Fletcher

The wide band of frequencies that includes all those allocated to 2G/3G applications was defined as 2G/3G band and the discone antenna with a structure of radial wires was defined as radial discone. This antenna was theoretically analysed…

Classical Physics · Physics 2015-06-03 N. I. Yannopoulou , P. E. Zimourtopoulos , E. T. Sarris

In this letter, a dual port antenna with polarization adjustability is proposed. The loading effect of four ring slots stimulates a hybrid mode in the antenna that generates eight magnetic monopoles with high gain in boresight. Due to…

Signal Processing · Electrical Eng. & Systems 2019-11-04 Peyman Aghabeyki , Masoud Hamidi , Gholamreza Moradi , Pedram Mousavi

Multi-antenna coded caching is known to combine a global caching gain that is proportional to the cumulative cache size found across the network, with an additional spatial multiplexing gain that stems from using multiple transmitting…

Information Theory · Computer Science 2021-10-12 MohammadJavad Salehi , Emanuele Parrinello , Seyed Pooya Shariatpanahi , Petros Elia , Antti Tölli

Distributed space antennas using electromagnetic formation flight (EMFF) are a promising architecture for large-aperture, long-life space communication systems. Their feasible aperture, however, is governed by coupled constraints on antenna…

Signal Processing · Electrical Eng. & Systems 2026-05-25 Seang Shim , Yuta Takahashi , Naoto Usami , Shin-ichiro Sakai

Graphene is an attractive material for communications in the THz range due to its ability to support surface plasmon polaritons. This enables a graphene antenna to be smaller in size than its metallic counterpart. In addition, the…

Systems and Control · Electrical Eng. & Systems 2022-10-12 E. P. de Santana , A. K. Wigger , Z. Wang , K. Wang , M. Lemme , S. Abadal , P. H. Bolivar

We propose wideband bandpass filters based on multipole resonances of spoof localized surface plasmons (SLSPs). The resonance characteristics and geometric tunability of SLSPs are investigated under microstrip excitations. Strong coupling…

Applied Physics · Physics 2020-04-15 Xuanru Zhang , Di Bao , Jun Feng Liu , Tie Jun Cui

We propose an uplink massive MIMO system using an array of holographic metasurfaces as a sector antenna. The antenna consists of a set of rectangular waveguide-fed metasurfaces combined along the elevation direction into a planar aperture,…

Signal Processing · Electrical Eng. & Systems 2021-08-31 Insang Yoo , David R. Smith

This paper presents a novel, model-based compressive antenna design method for high sensing capacity imaging applications. Given a set of design constraints, the method maximizes the sensing capacity of the compressive antenna by varying…

Optimization and Control · Mathematics 2015-10-06 Richard Obermeier , Jose Angel Martinez-Lorenzo

Dynamic Metasurface Antennas (DMAs) constitute a promising solution for extremely large antenna arrays, requiring lower power consumption and reduced hardware cost as compared to conventional phased arrays. In this paper, we consider a…

Signal Processing · Electrical Eng. & Systems 2026-05-06 Konstantinos D. Katsanos , Panagiotis Gavriilidis , George C. Alexandropoulos

The possibility of making compact stopband filters using coplanar-coupled EBG resonators in inverted microstrip gap waveguide technology is studied in this work. To do this, the filtering characteristics of different configurations of…

Applied Physics · Physics 2024-02-08 Luis Inclán-Sánchez

Holographic MIMO refers to a (possibly large) array with a large number of individually controlled and densely deployed antennas. The objective of this paper is to provide further insight into the use of closely spaced antennas in the…

Information Theory · Computer Science 2024-03-20 Antonio Alberto D'Amico , Luca Sanguinetti

The presence of periodic modulation in graphene leads to a reconstruction of the band structure and formation of minibands. In an external uniform magnetic field, a fractal energy spectrum called Hofstadter butterfly is formed. Particularly…

Mesoscale and Nanoscale Physics · Physics 2023-09-12 Alina Mreńca-Kolasińska , Szu-Chao Chen , Ming-Hao Liu

This article presents a fully 3D-printed wideband metasurface folded reflectarray antenna (MFRA) operating in the millimeter-wave n257 band. The proposed MFRA integrates a novel polarization-rotating reflective metasurface (RMS), a compact…

Signal Processing · Electrical Eng. & Systems 2026-03-19 Evangelos Vassos , Thomas Whittaker , Abdul Jabbar , Aakash Bansal , Will Whittow

Wireless Networks-on-Chip (WNoCs) are regarded as a disruptive alternative to conventional interconnection networks at the chip scale, yet limited by the relatively low aggregate bandwidth of such wireless networks. Hence, any method to…

Hardware Architecture · Computer Science 2022-09-20 Fátima Rodríguez-Galán , Elana Pereira de Santana , Peter Haring Bolívar , Sergi Abadal , Eduard Alarcón

This paper presents illustrative electromagnetic modelling and simulation of graphene antenna using a two-dimensional graphene sheet of zero thickness and a three-dimensional graphene slab of finite thickness. The properties of the antenna…

Applied Physics · Physics 2020-06-23 Sasmita Dash , Christos Liaskos , Ian F. Akyildiz , Andreas Pitsillides

The investigations have been conducted on the involved design parameters to analyze the behavior of the microwave displacement sensor output characteristics. To implement this, a dielectric resonator loaded to a reflection mode operated…

Instrumentation and Detectors · Physics 2023-03-01 Premsai Regalla , Praveenkumar A

This letter considers a two-panel massive multiple-input multiple-output (MIMO) communication system, where the base station (BS) is equipped with two antenna panels that may use different frequency bands for communication. By exploiting…

Information Theory · Computer Science 2024-02-09 Y. Qiu , D. W , Y. Zeng
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