Conferences related to Vivaldi antennas

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2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting

The joint meeting is intended to provide an international forum for the exchange of information on state of the art research in the area of antennas and propagation, electromagnetic engineering and radio science


2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Science, technology and applications spanning the millimeter-waves, terahertz and infrared spectral regions


2019 IEEE International Symposium on Phased Array System & Technology (PAST)

Phased array systems have made major steps forward with the development of manymajor radar and communications systems. Due to many recent advances, including MMIC,photonics, anddigital beamforming, phased array systems and technology continue to progress rapidly.Current and futuredevelopments of ground -based, sea-based, airborne, and space -based phased array radar,communications,and other electronic systems will be discussed at this international symposium.


2019 IEEE Radio and Wireless Symposium (RWS)

This is a conference with a focus on wireless components, applications, and systems that impact both our current and future life style. The conference's main niche is to bring together technologists, circuit designers, system designers, and entrepreneurs at a single event. It was and is the place where these worlds meet, where new processes and systems can be benchmarked against the needs of circuit designers at the bleeding edge of RF systems, where today's design compromises can trigger tomorrow's advanced technologies. Where dreams can become a reality. RWS is the cornerstone conference for Radio Wireless Week.


2018 18th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM)

ANTEM's technical sessions will provide a comprehensive and well-balanced program and are intended to provide an international forum for the exchange of information on state-of-the-art research in antennas, propagation, and electromagnetic engineering. Authors are invited to submit contributions for review and possible presentation during the symposium on topics of interest to ANTEM. In addition to regularly scheduled sessions for oral presentations, there will be distinguished lecturers and special sessions. There will be a Student Paper Competition as well as a Technical Exhibition.


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Periodicals related to Vivaldi antennas

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Antennas and Propagation, IEEE Transactions on

Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.


Antennas and Wireless Propagation Letters, IEEE

IEEE Antennas and Wireless Propagation Letters (AWP Letters) will be devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation.


Electromagnetic Compatibility, IEEE Transactions on

EMC standards; measurement technology; undesired sources; cable/grounding; filters/shielding; equipment EMC; systems EMC; antennas and propagation; spectrum utilization; electromagnetic pulses; lightning; radiation hazards; and Walsh functions


Geoscience and Remote Sensing, IEEE Transactions on

Theory, concepts, and techniques of science and engineering as applied to sensing the earth, oceans, atmosphere, and space; and the processing, interpretation, and dissemination of this information.


Instrumentation and Measurement, IEEE Transactions on

Measurements and instrumentation utilizing electrical and electronic techniques.


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Most published Xplore authors for Vivaldi antennas

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Xplore Articles related to Vivaldi antennas

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Novel vivaldi antenna based on balanced-unbalanced feed

2017 Sixth Asia-Pacific Conference on Antennas and Propagation (APCAP), 2017

In view of the adverse effect of the unbalanced feed and the surface current of Vivaldi antenna, the author makes the feed balanced and controls the surface current by adding the sleeve of the coaxial feeder and slotting the antenna floor to enhance the performance of Vivaldi antenna. The surface current of the coaxial cable outer conductor is well suppressed, ...


UWB 4-element ridge-SIW vivaldi antenna array

2014 IEEE Antennas and Propagation Society International Symposium (APSURSI), 2014

A 4-element uniform Vivaldi antenna array fed by a novel ridge SIW (RSIW) feed network has been developed using a two-layer substrate. The low cost planar RSIW divider is designed for wide band operation to sustain the inherent wide bandwidth of the Vivaldi array that is fed by a very wide band GCPW to RSIW transition as well. The proposed ...


Design of ultra-wideband antipodal Vivaldi antenna for target RCS imaging

2015 IEEE International Wireless Symposium (IWS 2015), 2015

A low profile tapered slot antipodal Vivaldi antenna has been designed for array-based UWB target RCS imaging system. The antenna design with dimensions of 100mm×40mm achieves satisfactory impedance matching and radiation across the frequency band from 2.8 to 40 GHz with more than 173% fractional bandwidth. Both simulation and measurement results show that good radiation characteristics have been realized in ...


Dielectric director for near-field microwave imaging

2009 3rd European Conference on Antennas and Propagation, 2009

A dielectric director has been introduced to enhance near-field radiation properties of ultra-wideband antennas. This paper presents a parametric study of selected parameters that define the director used to improve the radiation behavior of a balanced antipodal Vivaldi antenna. The near-field radiation distortion and intensity are of interest. The director permittivity is found to be the key parameter that controls ...


Experimental investigation of 3D localisation of an on-body UWB antenna using several base stations

2014 Loughborough Antennas and Propagation Conference (LAPC), 2014

This paper presents an experimental study of localisation of a body mounted ultra-wideband (UWB) antenna. Several three-dimensional localisation experiments have been performed, using a miniature tapered-slot antenna mounted on the human body as a mobile station and three Vivaldi antennas as base stations, to comprehend the level of accuracy that can be achieved and assess how precisely the tiny movements ...


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Educational Resources on Vivaldi antennas

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IEEE.tv Videos

Brooklyn 5G - 2015 - Edward G. Tiedemann Jr. - Multiple Antennas in Wireless Systems (MAWS)
IMS 2014: Wideband mmWave Channels: Implications for Design and Implementation of Adaptive Beam Antennas
IEEE Edison Medal - Eli Yablonovich - 2018 IEEE Honors Ceremony
MicroApps: Using Digitizers to Characterize Modern Phased Array Antennas
MicroApps: Connectors to Antennas to Waveguide: User-Confgurable and Parameterized 3D EM Model Libraries (AWR)
2011 IEEE Awards Alexander Graham Bell Medal - Arogyaswami J. Paulraj
Transceiver Systems for mmWave Application - Mats Carlsson - RFIC Showcase 2018
Millimeter Wave Mobile Communications for 5G Cellular: It Will Work!
Dorothy, we're not in Kansas anymore, we are in Impedance Land. Oh my! EMC Webinar
mmwave Phased Arrays for 5G Applications - Challenges and Opportunities - Ian Gresham: Brooklyn 5G Summit 2017
Massive MIMO at 60 GHz vs. 2 GHz - Eric Larsson: Brooklyn 5G Summit 2017
Brooklyn 5G - 2015 - Ali M. Niknejad - Going the Distance with CMOS: mm-Waves and Beyond
From Maxwell's Equations to Modern Electromagnetics and Antenna Engineering Marvels
One HTS Josephson Junction, An Array of Applications: Has anything come from HTS devices in the last 30 years?
Micro-Apps 2013: Precision RF/MW Cable and Antenna Test in the Field
Fully-Integrated Non-Magnetic 180nm SOI Circulator - Aravind Nagulu - RFIC Showcase 2018
Serge Haroche and Rodolfo Zich receive IEEE Honorary Membership - Honors Ceremony 2016
IMS 2015: Eugene Lauria - John Tucker Special Tribute - ALMA Band 9 Receiver Design and Performance
Evaluating Over-The-Air Performance of MIMO Wireless Devices
ICASSP 2010 - Radar Imaging of Building Interiors

IEEE-USA E-Books

  • Novel vivaldi antenna based on balanced-unbalanced feed

    In view of the adverse effect of the unbalanced feed and the surface current of Vivaldi antenna, the author makes the feed balanced and controls the surface current by adding the sleeve of the coaxial feeder and slotting the antenna floor to enhance the performance of Vivaldi antenna. The surface current of the coaxial cable outer conductor is well suppressed, which makes the bad influences that the feeding structure caused to the antenna radiation characteristics reduced a lot. And for the radiation patch of the Vivaldi antenna, the surface current is more concentrated, the gain is 3 dB greater than that of the general form at working frequency, and the side lobe is also smaller in the radiation pattern.

  • UWB 4-element ridge-SIW vivaldi antenna array

    A 4-element uniform Vivaldi antenna array fed by a novel ridge SIW (RSIW) feed network has been developed using a two-layer substrate. The low cost planar RSIW divider is designed for wide band operation to sustain the inherent wide bandwidth of the Vivaldi array that is fed by a very wide band GCPW to RSIW transition as well. The proposed antenna structure has been fabricated and showed good radiation characteristics and less than 1.5:1 VSWR over a wide bandwidth exceeding 55% with a maximum gain of 6-10 dB and over 87% efficiency over 6 to 10 GHz. Measured results are in good agreement with simulated ones.

  • Design of ultra-wideband antipodal Vivaldi antenna for target RCS imaging

    A low profile tapered slot antipodal Vivaldi antenna has been designed for array-based UWB target RCS imaging system. The antenna design with dimensions of 100mm×40mm achieves satisfactory impedance matching and radiation across the frequency band from 2.8 to 40 GHz with more than 173% fractional bandwidth. Both simulation and measurement results show that good radiation characteristics have been realized in the whole band. The antipodal Vivaldi antenna has been used in a MIMO antenna array for target RCS imaging successfully. The quality of image validates the performance of the antipodal Vivaldi antenna.

  • Dielectric director for near-field microwave imaging

    A dielectric director has been introduced to enhance near-field radiation properties of ultra-wideband antennas. This paper presents a parametric study of selected parameters that define the director used to improve the radiation behavior of a balanced antipodal Vivaldi antenna. The near-field radiation distortion and intensity are of interest. The director permittivity is found to be the key parameter that controls the near-field radiation behavior.

  • Experimental investigation of 3D localisation of an on-body UWB antenna using several base stations

    This paper presents an experimental study of localisation of a body mounted ultra-wideband (UWB) antenna. Several three-dimensional localisation experiments have been performed, using a miniature tapered-slot antenna mounted on the human body as a mobile station and three Vivaldi antennas as base stations, to comprehend the level of accuracy that can be achieved and assess how precisely the tiny movements of the mobile station could be resolved. Time of Arrival data fusion and peak detection techniques have been used to compute the position of the target node in terms of x, y, z cartesian coordinates. The antennas are envisioned to be employed in a pulse based time- of-flight motion tracking system, using the upper end of the UWB band. The geometry and performance of a UWB Vivaldi antenna designed for the project is also presented.

  • A small aperture multi octave band tapered slot radiator

    For aperture sizes greater than 0.25λ the Vivaldi antenna design and implementation is quite easy. Criticality sets in, if the aperture size is less than 0.25λ. Keeping this aspect in view, in this paper, parametric studies have been carried out on a Vivaldi antenna with a novel taper with exponential plus sinusoidal function. For matching at the lower frequency end, a novel additional circular cavity along with stub has been used. A return loss of less than -7.5dB and good radiation patterns over 7.2-18GHz have been obtained in simulations using HFSS software and a bandwidth of 7.7-18GHz in hardware.

  • Modified Vivaldi monopole antenna array for vehicle-mounted wireless signal detection system

    In this paper, a modified Vivaldi monopole antenna array is proposed to realize the low-profile application in vehicle-mounted wireless signal detection system. The array is arranged circularly with 8 Vivaldi monopole antennas, operating in 0.8GHz-2.7GHz. In contrast to array designs using traditional Vivaldi antenna, the array has omnidirectional radiating pattern and compact size. Each basis element of the array performs well for horizontal scan to 60° and vertical san to 35°. The gain of the single Vivaldi monopole is up to 10dBi.

  • Octave Bandwidth Printed Circuit Phased Array Element

    A printed-circuit radiating element for wideband phased array antennas is described which provides a well-matched impedance bandwidth of approximately one octave in the array environment. The main benefit compared to existing octave or more bandwidth array elements (e.g. flared notch, tapered slot or Vivaldi antenna) is that this new element can be etched onto panels that lie parallel to the plane of the array, permitting several rows and columns of elements on the same substrate which reduces cost significantly. Also the array thickness is reduced, and the phase center does not move with frequency. The element can provide polarization diversity. A new low-dielectric constant syntactic foam material was also tested and found to be suitable for plated- thru via holes and bonding for microwave printed-circuits

  • Effects of edge elements on the scanning character analysis of millimetre wave phased antenna array

    The field distributions and far-field patterns of representative edge positions in millimetre wave phased antenna array have been calculated with the Finite Element Method (FEM). Simultaneously, the Decompose-Solve-Recompose (DSR) scheme is applied to synthesize the edge effects in different outer edge rings within two scale arrays scanning respectively. The scanning patterns and beamwidth in the typical planes demonstrate that the contributions of edge elements will be varied with the scale changing of antenna array. Therefore, edge effects should be considered in the pattern syntheses of small-scale and medium-scale antenna arrays.

  • Gain and lower cut-off frequency improvement of antipodal Vivaldi antenna

    A new modified structure of antipodal Vivaldi antenna (AVA), designed and implemented based on the low-cost FR4 substrate, is investigated. In order to reduce the cut-off frequency and then increase the antenna bandwidth, the radiating element and ground plane are loaded with half-elliptical shape patches. Besides, for improving the antenna gain, an exponentially dielectric loading is placed in the front of the antenna radiation aperture. The results show a considerable reduction of lower cut-off frequency, about 30%, from 3.85 to 2.7GHz. The proposed antenna has the impedance bandwidth of 2.7-12.5 GHz and is proper for UWB applications. Also, the improvement of antenna gain at 4-12.5 GHz band, maximum 2dB enhancement at 12.5GHz, is observed. The simulation and analysis of the proposed antenna is performed by using the commercial HFSS software. The simulated and measured results are in good agreement and validate the design approach.



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