Results 51 to 60 of about 673,683 (345)
Wideband and UWB antennas for wireless applications. A comprehensive review [PDF]
, 2017 A comprehensive review concerning the geometry, the manufacturing technologies, the materials, and the numerical techniques, adopted for the analysis and design of wideband and ultrawideband (UWB) antennas for wireless applications, is presented. Planar,
Cicchetti, Renato +2 more
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Dual Polarized Monopole Patch Antennas for UWB Applications with Elimination of WLAN Signals
Advanced Electromagnetics, 2016 This paper presents the design, fabrication and measurement of dual polarized microstrip patch antennas for ultra wideband (UWB) applications with notch at 5-6 GHz band. The proposed antenna rejects the wireless local area network (WLAN) signals and work
P. Kumar, J. L. Masa-Campos
doaj +1 more source
, 2015 The focus of UWB antenna research activity has matured in recent years and currently mainly concentrates on applications such as biomedicine and security. Early UWB antenna designs were driven by the FCC allocation of spectrum in 2002 and focussed on obtaining wide impedance bandwidths with reasonable group delay characteristics.
Ammann, Max +2 more
openaire +3 more sources
Compact multiband antenna employing wideband dual ZOR for mobile handset applications
ICT Express, 2017 In this study, a compact multiband antenna employing a wideband dual zeroth-order resonator (ZOR) is proposed for mobile handset applications. The theory of wideband zeroth-order mode and multimode is used to design the proposed antenna covering LTE850 ...
Jeong Keun Ji
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Highly efficient impulse-radio ultra-wideband cavity-backed slot antenna in stacked air-filled substrate integrated waveguide technology [PDF]
, 2018 An impulse-radio ultra-wideband (IR-UWB) cavity-backed slot antenna covering the [5.9803; 6.9989] GHz frequency band of the IEEE 802.15.4a-2011 standard is designed and implemented in an air-filled substrate integrated waveguide (AFSIW) technology for ...
Lemey, Sam +3 more
core +1 more source
Microstrip to parallel strip balun as spiral antenna feed [PDF]
, 2012 This paper presents the design and implementation of a microstrip to parallel strip balun which are frequently used as balanced antennas feed. This wideband balun transition is composed of a parallel strip which is connected to the spiral antenna and a ...
Coetzee, Jacob +2 more
core +2 more sources
Simulation Analysis of a Wideband Antenna on a Drone
2022 IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom), 2022 Wireless systems have been upgraded over the past several years and as a result, drone-based communications have found a wide range of applications. This paper presents the performance of a printed log-periodic antenna, which operates in the frequency range from 0.7 to 6.5 GHz when mounted on the top of a drone. The effect of a metallic mast and a base
Venkat Reddy Kandregula +6 more
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A Super-Wideband Miniaturized Graphene-Dielectric Folded Monopole Antenna
Advanced ElectromagneticsA graphene-dielectric folded monopole antenna with super-wideband bandwidth and a small volume is proposed in this paper. The antenna features a disc-loaded folded cylindrical configuration that mainly consists of graphene-powder and graphene-ink ...
L. Guo
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Diamond-shaped metasurface low-profile wideband antenna
The Journal of Engineering, 2019 A low profile wideband metasurface (MTS) antenna based on periodically modulated diamond-shaped patch is presented. The proposed antenna consists of diamond-shaped MTS patches and a slotted antenna fed by a microstrip line, which excites both the quasi ...
Chenyun Shi +3 more
doaj +1 more source
Formulating layered adjustable autonomy for unmanned aerial vehicles [PDF]
, 2017 Purpose - In this paper, we propose a Layered Adjustable Autonomy (LAA) as a dynamically adjustable autonomy model for a multi-agent system. It is mainly used to efficiently manage humans and agents share control of autonomous systems and maintain humans’
A Mostafa, Salama +3 more
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