Results 51 to 60 of about 1,829,302 (216)

Pattern Synthesis for Sparse Arrays by Compressed Sensing and Low-Rank Matrix Recovery Methods

open access: yesInternational Journal of Antennas and Propagation, 2018
Antenna array pattern synthesis technology plays a vital role in the field of smart antennas. It is well known that the pattern synthesis of homogeneous array is the key topic of pattern synthesis technology.
Ting Wang, Ke-Wen Xia, Ning Lu
doaj   +1 more source

Palm Tree Coplanar Vivaldi Antenna Array on the Same Substrate Size: Design and Performance Evaluation

open access: yesInternational Journal of Electronics and Communications System, 2022
This paper aims to describe the performance of the palm tree Coplanar Vivaldi Antenna Array (CVA) that was simulated from 0.25-6.25 GHz in terms of return loss and radiation pattern.
Nurhayati Nurhayati   +3 more
doaj   +1 more source

Investigation and analysis of the effects of geometry orientation of array antenna on directivity for wire-less communication

open access: yesCogent Engineering, 2016
Array antennas offer a wide range of opportunities in the variation of their directivity patterns through amplitude and phase control. Directivity is one of very important parameters when optimizing Antenna.
Twahir Kazema, Kisangiri Michael
doaj   +1 more source

Design of a rectenna system for GSM-900 band using novel broadside 2 × 1 array antenna

open access: yesThe Journal of Engineering, 2017
In this study, a rectenna operating at the GSM-900 frequency band has been fabricated and tested. This rectenna composed of a 2 × 1 T-shaped monopole array antenna and an energy processing circuit.
Manish Singh   +2 more
doaj   +1 more source

Sidelobe Suppression in Array-Pattern Synthesis Using Periodic Leaky-Wave Antenna and Binomial Array

open access: yesModelling and Simulation in Engineering, 2020
This paper presents the conception and realization of a 2D antenna array using periodic leaky-wave antenna (PLWA) and the binomial array (BA) at 6 GHz as the application of WLAN. The series array of periodic leaky-wave antenna was provided by an array of
Hicham Aziz   +3 more
doaj   +1 more source

A Microwave/Millimeter Wave Dual-Band Shared Aperture Patch Antenna Array

open access: yesIEEE Access, 2020
This paper describes the design of microwave/millimeter wave dual-band patch antenna array with shared aperture. The antenna array is designed of stack structure of three printed circuit boards.
Zongxin Wang, Zeqin Huang
doaj   +1 more source

Compact Planar Sparse Array Antenna with Optimum Element Dimensions for SATCOM Ground Terminals

open access: yesInternational Journal of Antennas and Propagation, 2015
A novel antenna array architecture for low-cost and compact SATCOM mobile terminal is presented. Based on equal-amplitude aperiodic phased array with fewer active chain numbers, it possesses advantages including lower weight, less cost, and higher power ...
Junqi Lu, Yongxin Guo
doaj   +1 more source

Comparing Mutual Coupling of Ring Metamaterial on Square and Vivaldi Array Antennas

open access: yesBuletin Pos dan Telekomunikasi: Media Komunikasi Ilmiah, 2020
The antenna performance is seen from the S-parameter value. The S-parameter graph can be seen as the return loss (S11, S22) and the mutual coupling (S21, S12) value.
Petrus Kerowe Goran, Eko Setijadi
doaj   +1 more source

OAM mode purity improvement based on antenna array

open access: yesDigital Communications and Networks
Orbital Angular Momentum (OAM) waves are characterized by helical wave fronts and orthogonality between different modes. Therefore, OAM waves have huge potential in improving wireless communications' channel capacity and radar imaging's resolution ...
Dandan Liu   +3 more
doaj   +1 more source

A Miniaturized Base Station Antenna With Novel Phase Shifter for 3G/LTE Applications

open access: yesIEEE Access, 2018
This paper presents a new type of miniaturized base station antenna array, which consists of a metal reflector, six upper-band dipoles, and a couple of ladder sidewalls, operating over 1.71-2.69 GHz (DCS/PCS/UMTS/LTE). Meanwhile, this paper also proposes
Yejun He   +5 more
doaj   +1 more source

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