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Showing papers in "Journal of Electromagnetic Waves and Applications in 2020"


Journal ArticleDOI
TL;DR: In this paper, a compact UWB-MIMO antenna with dual band-notched behaviors is proposed, where bending and E-shaped meander structures are introduced to broaden the bandwidth.
Abstract: A compact UWB-MIMO antenna with dual band-notched behaviors is proposed. The bending and E-shaped meander structures are introduced to broaden the bandwidth. Two circular patches are placed orthogo...

36 citations


Journal ArticleDOI
TL;DR: A comprehensive review of the state-of-the-art techniques and geometries which have been explored in the areas of dielectric Resonator Antennas (DRA) can be found in this article.
Abstract: This paper presents a comprehensive review of the state of art techniques and geometries which have been explored in the areas of Dielectric Resonator Antennas (DRA). With the evolution of first re...

35 citations


Journal ArticleDOI
TL;DR: A 4 × 4 multiple-input–multiple-output (MIMO) antenna array for ultra-wide band (UWB) applications with 5.5 GHz wireless local area network (WLAN) band rejection characteristics is presented.
Abstract: This paper presents a 4 × 4 multiple-input–multiple-output (MIMO) antenna array for ultra-wide band (UWB) applications with 5.5 GHz wireless local area network (WLAN) band rejection characteristics...

33 citations


Journal ArticleDOI
TL;DR: In this article, a miniaturized single band-stop frequency selective surface (FSS) with higher order angular stability and polarization insensitivity is utilized to reconfigure the radiation patte.
Abstract: In this paper, a miniaturized single band-stop frequency selective surface (FSS) with higher order of angular stability and polarization insensitivity is utilized to reconfigure the radiation patte...

31 citations


Journal ArticleDOI
TL;DR: In this article, a circularly polarized 4-port multiple inputs multiple outputs (MIMO) dielectric resonator-based antenna with two resonating bands for WLAN (5.0 GHz) and WiMAX (3.5 GHz) applications is presented.
Abstract: This article presents a circularly polarized 4-port Multiple Inputs Multiple Outputs dielectric resonator-based antenna with two resonating bands for WLAN (5.0 GHz) and WiMAX (3.5 GHz) applications...

26 citations


Journal ArticleDOI
TL;DR: In this article, a high-isolation cavity-backed inverted U-shaped slot antenna using substrate-integrated waveguide (SIW) for C-band applications is presented.
Abstract: This paper presents a novel compact high-isolation cavity-backed inverted U-shaped slot antenna using substrate-integrated waveguide (SIW) for C-band applications. The SIW cavity is loaded by an in...

25 citations


Journal ArticleDOI
TL;DR: In this paper, the back radiation incident on-body tissue due to wearable antennas is investigated and the main lobe to back lobe power ratio for the wearables is reduced by reducing the power ratio of the antennas.
Abstract: In this paper, the back radiation incident on-body tissue due to wearable antennas is investigated. The research is directed toward reducing the “Main lobe to back lobe power ratio” for the wearabl...

25 citations


Journal ArticleDOI
TL;DR: In this paper, a new design of a compact dual-band MIMO antenna with high isolation for WLAN and X-band satellite applications is presented. But the proposed antenna is realized in a single-input multiple-output (SIMO) channel.
Abstract: This paper presents a new design of a compact dual-band Multiple Input Multiple Output (MIMO) antenna with high isolation for WLAN and X-band satellite applications. The proposed antenna is realize...

23 citations


Journal ArticleDOI
TL;DR: In this article, the authors studied the transmission spectrum and band structure of a one-dimensional photonic crystal made of alternating layers of SiO2 and TiO2 with a GaAs defect layer.
Abstract: We study the transmission spectrum and the band structure of a one-dimensional photonic crystal, made of alternating layers of SiO2 and TiO2 with a GaAs defect layer. The relative permittivity of t...

22 citations


Journal ArticleDOI
TL;DR: In this article, a two-element UWB MIMO antenna with triple-band notch characteristics is presented, and a single Two Via Compact Electromagnetism (SOCEMG) is used.
Abstract: In this editorial, a compact two element Ultra Wide Band Multiple Input Multiple Output (UWB MIMO) antenna with triple-band notch characteristics is presented. A single Two Via Compact Electromagne...

22 citations


Journal ArticleDOI
TL;DR: In the last five years or so, there has been a great interest in RF OAM to address the contradiction between the lack of wireless spectrum resources and the continually growing demands of the bandw....
Abstract: In the last five years or so, there has been a great interest in RF OAM to address the contradiction between the lack of wireless spectrum resources and the continually growing demands of the bandw...

Journal ArticleDOI
TL;DR: In this paper, a set square design was proposed to serve as a wideband metamaterial Absorber for X-band applications, and the simulation results show that the absorber has − 8 ǫdB absorption bandwidth.
Abstract: This paper presents a set square design which serves as a wideband Metamaterial Absorber (MA) for X-band applications. The simulation results show that the absorber has − 8 dB absorption bandwidth...

Journal ArticleDOI
TL;DR: In this paper, a compact MIMO antenna with high isolation was proposed for Wi-MAX/WLAN applications, which covers 2.5/5.8 GHz frequency bands.
Abstract: In this paper, we design a compact MIMO antenna with high isolation. The antenna covers 2.5/5.8 GHz frequency bands, which are allocated for Wi-MAX / WLAN applications. The suggested MIMO antenna c...

Journal ArticleDOI
TL;DR: A low-profile multi-input-multi-output (MIMO)/diversity antenna suitable for wireless local area network (WLAN) applications and has the ability to transmit or receive the 2.4 and 5.8 GHz signals simultaneously, without any external switching circuit between the module and the proposed antenna.
Abstract: A low-profile multi-input-multi-output (MIMO)/diversity antenna suitable for wireless local area network (WLAN) applications is presented. In the proposed antenna, two identical elements (each of s...

Journal ArticleDOI
TL;DR: A CPW-fed dome-shaped monopole radiating elements with 2 × 2 MIMO configuration with dual-band response obtained by embedding a pair of comb-shaped slots in the ground plane is presented.
Abstract: In the present endeavor, a CPW-fed dome-shaped monopole radiating elements with 2 × 2 MIMO configuration is presented. The dual-band response of the antenna is obtained by embedding a pair of comb-...

Journal ArticleDOI
TL;DR: In this paper, the concept of the circularly polarized agile, multiple-input multiple-output (MIMO) dielectric resonator antenna (DRA) structure for 5G new radio application in m...
Abstract: In this paper, the concept of the circularly polarized agile, multiple-input multiple-output (MIMO) dielectric resonator antenna (DRA) structure for fifth generation (5G) new radio application in m...

Journal ArticleDOI
TL;DR: A novel two-element multiple input multiple output (MIMO) reconfigurable antenna that can be switched among 600 MHz, 1.8, 2.4, 3.5, and 5.5 GHz bands is presented.
Abstract: This paper presents a novel two-element multiple input multiple output (MIMO) reconfigurable antenna that can be switched among 600 MHz, 1.8, 2.4, 3.5, and 5.5 GHz bands. The proposed antenna consi...

Journal ArticleDOI
TL;DR: In this article, a novel compact antenna for ultra-wideband application is investigated and presented, which consists of a modified patch with rectangular parasitic elements at the top, whereas a d...
Abstract: A novel compact antenna for ultra-wideband application is investigated and presented. The proposed structure consists of a modified patch with rectangular parasitic elements at the top, whereas a d...

Journal ArticleDOI
TL;DR: In this article, the transmission of a normally incident plane wave through a pixelated metasurface with meta-atoms made up of graphene-patched and InSb-patches pixels on a silicon substrate was simulated using CST Mic...
Abstract: Transmission of a normally incident plane wave through a pixelated metasurface with meta-atoms made up of graphene-patched and InSb-patched pixels on a silicon substrate was simulated using CST Mic...

Journal ArticleDOI
TL;DR: In this paper, the authors used a spaceborne synthetic aperture radars for monitoring ocean surfaces. And they found that various environmental conditions prevailing on the ocean surfaces strongly influence the quality of de...
Abstract: Spaceborne synthetic aperture radars are powerful tools for monitoring ocean surfaces. Various environmental conditions prevailing on the ocean surfaces strongly influence the quality of de...

Journal ArticleDOI
TL;DR: In this article, a fork-shaped UWB-MIMO antenna is designed and experimentally tested to achieve hexa-band rejection characteristics. Initially, the proposed array consists of two fork-shape...
Abstract: In the present article, a fork-shaped UWB-MIMO antenna is designed and experimentally tested to achieve hexa-band rejection characteristics. Initially, the proposed array consists of two fork-shape...

Journal ArticleDOI
TL;DR: In this paper, an X-band perfect cross-polarization convertor (CPC) consisting of Γ-shaped metal patch imprinted on a metal-backed FR-4 dielectric substrate is designed, analyzed, and characteri...
Abstract: In this paper, an X-band perfect cross-polarization convertor (CPC) that consists of Γ-shaped metal patch imprinted on a metal-backed FR-4 dielectric substrate is designed, analyzed, and characteri...

Journal ArticleDOI
TL;DR: The implementation of the proposed array in MIMO systems is validated by various diversity parameters like low ECC, high DG, high MEG, low CCL and stable TARC attributes, and an acceptable agreement is achieved between the simulated and experimental results.
Abstract: In this article, a dual-port aperture-coupled circular fractal antenna array is designed, developed and tested for its usage in 4G, WLAN, radar, satellite and ISS communication systems, covering C-...

Journal ArticleDOI
TL;DR: In this paper, a 4*4 multiple-input multiple-output (MIMO) antenna with compact size and good isolation is presented for UWB applications, and the concept of polarization diversity is discussed and employed to s...
Abstract: A 4*4 multiple-input multiple-output (MIMO) antenna with compact size and good isolation is presented for UWB applications. The concept of polarization diversity is here discussed and employed to s...

Journal ArticleDOI
TL;DR: In this article, the application of drone-mounted continuous wave (CW) radars for remote sensing of snow properties has been discussed, and the authors propose a method to detect the presence of snow in the images.
Abstract: Drone borne radar systems have seen considerable advances over recent years, and the application of drone-mounted continuous wave (CW) radars for remote sensing of snow properties has great potenti...

Journal ArticleDOI
TL;DR: In this article, the H-polarized plane wave scattering from an infinite flat grating of perfectly electrically conducting strips, placed on the interface of a dielectric slab, was considered.
Abstract: We consider the H-polarized plane wave scattering from an infinite flat grating of perfectly electrically conducting strips, placed on the interface of a dielectric slab. We reduce this pro...

Journal ArticleDOI
TL;DR: In this article, the design of fidget spinner-shaped antenna (FSSA) loaded with parasitic EC-SRR (edge coupled-split ring resonator) for multi-standard wireless applications is presented.
Abstract: This paper presents the design of fidget spinner-shaped antenna (FSSA) loaded with parasitic EC-SRR (edge coupled-split ring resonator) for multi-standard wireless applications. Parasitic EC-SRR el...

Journal ArticleDOI
TL;DR: The electromagnetic interference caused by microwave sources leads to the malfunction and faulty readings of many real-time systems as mentioned in this paper, hence it is essential to provide EMI shielding for sensiti...
Abstract: The electromagnetic interference (EMI) caused by microwave sources leads to the malfunction and faulty readings of many real-time systems. Hence it is essential to provide EMI shielding for sensiti...

Journal ArticleDOI
TL;DR: In this paper, two different microstrip antennas (LHCP and RHCP antennas) are presented to explain the effects of S-shape and Z-shape slots for left-hand circular polarization and right-hand circu...
Abstract: This paper is presenting two different microstrip antennas (LHCP and RHCP antennas). It can explain the effects of S-shape and Z-shape slots for left-hand circular polarization and right-hand circu...

Journal ArticleDOI
TL;DR: In this article, the authors review recent progress in perfect absorbers of electromagnetic waves that utilize metamaterials and present various numerical techniques that are inevitable for the research on MMs.
Abstract: This paper reviews recent progress in perfect absorbers of electromagnetic waves that utilize metamaterials (MMs). Various numerical techniques that are inevitable for the research on MMs, along wi...