Marianna Ivashina
Showing 208 publications
Optimization of the TRP evaluation in Anechoic-Reverberation Hybrid Chamber
Exploring Uniformity of Reverberation Chambers: Insights from Antenna Reflection Coefficient
Phased Array Scan Performance Review for SATCOM: Dielectric Resonator vs. Patch Antennas
Contactless Measurement of a D-Band On-Chip Antenna Using an Integrated Reflective Load Switch
3D-Printed Silver-Coated Vivaldi Array with Integrated Coaxial Probe Feeding
A Varactor-Based Reconfigurable Intelligent Surface Concept for 5G/6G mm-Wave Applications
Innovative Hybrid RC-AC Test Environments and RIS-Enabled Plane Wave Generation
Reconfigurable Intelligent Surfaces for OTA Testing: Wireless Cable
Out-of-band Interference Suppression of SatCom Antenna Arrays through Transmit Beamforming
Systematic Self-Interference Mitigation in Full Duplex Antenna Arrays Via Transmit Beamforming
Wideband Reflection-Type p-i-n Diode Phase Shifters in GaAs MMIC Technology at W-Band
Design Considerations for Focal-Plane Array Antennas for 6G Millimeter-Wave Backhaul Links
Reconfigurable Intelligent Surfaces for OTA Testing: Optimization and Initial Results
Dual-frequency single-pulse study of PSR B0950+08
Using a Conical Horn as Compact Antenna Test Range Feed in Millimetre Bands
Characterization and Calibration of the Hybrid OTA Chamber Using a Field Scanner
Millimeter-Wave Quasi-Optical Feeds for Linear Array Antennas in Gap Waveguide Technology
Sparse Array Synthesis Including Mutual Coupling for MU-MIMO Average Capacity Maximization
Seeing the forest and the trees: A radio investigation of the ULIRG Mrk 273
First release of Apertif imaging survey data
The Apertif science verification campaign: Characteristics of polarised radio sources
The Hybrid Chamber for OTA measurements: Plane Wave Spectrum Quality Vs. Dynamic Range Trade-off
Apercal - The Apertif calibration pipeline
Characterising the Apertif primary beam response
Enhancing mmWave On-Chip-Antennas Using In-Package Electromagnetic Bandgap Structures
A 55-105 GHz PIN Diode SPDT Switch
Multipath Rician Channel Simulation in the Test Zone of a Hybrid OTA Chamber
Factory Radio Design of a 5G Network in Offline Mode
Numerical analysis of Huygens-like on-chip antennas for mm-wave applications
Feasibility Study of a Wide Coverage Dual-Polarized Phased Array Antenna at 10 GHz
A search for radio emission from double-neutron star merger GW190425 using Apertif
Chromatic periodic activity down to 120 megahertz in a fast radio burst
Power Efficiency and Linearity of Highly Integrated Transmitting Array Antennas
Low-loss K-band Photoconductive Switches in SIW Technology
Apertif view of the OH megamaser IRAS 10597+5926: OH 18 cm satellite lines in wide-area H i surveys
Integrated W-band Photoconductive Switches in SIW Technology
Antenna Technologies for Beyond-5G Wireless Communication: Challenges and Opportunities
A New Hybrid Chamber for Generating a Spectrum of Oblique Incident Plane Waves at the DUT
Emulating Rician distributed channels in a hybrid chamber for OTA measurements
3D Printed Periodic Structures for RF Packaging of Integrated Array Module at sub-6GHz Band
Design of Circularly Polarized End-fire Antenna on Gap Waveguide for Automotive Radar Application
A Design Concept of Power Efficient, High Gain Antenna System for mm-Waves Base Stations
Design and Simulation of a 28 GHz Plane Wave Generator for NR Measurements
Multi-Panel Sparse Base Station Design with Physical Antenna Effects in Massive MU-MIMO
A Wideband and Low-Loss Spatial Power Combining Module for mm-Wave High-Power Amplifiers
Repeating fast radio bursts with WSRT/Apertif
Edge Truncation Effects in a Wide-Scan Phased Array of Connected Bowtie Antenna Elements
Antenna Systems for 5G mm-Wave Radio Access
Antenna Mutual Coupling Effects in Highly Integrated Transmitter Arrays
Array Configuration Effect on the Spatial Correlation of MU-MIMO Channels in NLoS Environments
Integration of Airborne Early Warning Radar Platforms on Aircraft
IC Design Aspects for 5G mm-Wave Systems
Sparse Array Topologies for 5G mmWave Base-Stations: A System-Level Study
High power mm-wave spatial power combiner employing on-chip isolation resistors
Characterization and Performance of an Ultra-Wideband Wide-Coverage Multimode MIMO Antenna
Ultra-High-Performance C-and L-Band Radiometer System for Future Spaceborne Ocean Missions
Towards a Generic Model for MU-MIMO Analysis Including Mutual Coupling and Multipath Effects
Joint Design and Co-integration of Antenna-IC Systems
Deep Integration Antenna Array: Design Philosophy and Principles
A Directly Matched PA-Integrated K-band Antenna for Efficient mm-Wave High-Power Generation
A Wide Coverage S-Band Array with Dual Polarized Connected Bowtie Antenna Elements
N-way spatial power combining in SIW for high power generation MMICs-scalability bounds
Aperiodic Switched Array for Line-of-Sight MIMO Backhauling
Ultra-high performance C L-band radiometer system for future spaceborne ocean missions
Effects of diffraction and feed pattern variation in shaped offset gregorian reflectors
Network model of a 5G MIMO base station antenna in a downlink multi-user scenario
Per-Antenna Power Distribution of a Zero-Forcing Beamformed ULA in pure LOS MU-MIMO
Phased Arrays for Radio Astronomy, Remote Sensing, and Satellite Communications
Feed array breadboard for future passive microwave radiometer antennas
Efficient Millimeter-Wave High Power Generation with Spatial Power-Combined Feeding Element
A Ka-Band Active Integrated Antenna for 5G Applications: Initial Design Flow
Innovative Multi-Feed-Per-Beam Reflector Antenna for Space-Borne Conical-Scan Radiometers
Focal Plane Array Breadboard For Advanced Multiple Beam Radiometer Antennas
Aperiodic Isophoric Slotted Waveguide Antenna for Point-to-Point Communications at Ka-band
Low frequency diffraction effects when shaping the offset gregorian reflector system of the SKA
Toward Wide-Band Low-Loss Gap-Waveguide-Integrated Grid Amplifiers
Point-to-Point 3 x 3 MIMO Performance Gains with Aperiodic Sparse Arrays in Pure LOS Channels
MIMO Channel Capacity Gains in mm-Wave LOS Systems with Irregular Sparse Array Antennas
Multi-Beam Focal Plane Arrays with Digital Beamforming for High Precision Space-Borne Remote Sensing
Effects of Regular and Aperiodic Array Layout in Multi-User MIMO Applications
Capabilities and fundamental limitations of multi-mode antennas in an array environment
W-band spatial power combiner and splitter in gap waveguide technology
Modal-Based Design of a Wideband Quadruple-Ridged Flared Horn Antenna
Spatial Power Combining and Splitting in Gap Waveguide Technology
High-Sensitivity Phased Array Receivers for Radio Astronomy
Synthesis of circular isophoric sparse arrays by using compressive-sensing
Digital-beamforming array antenna technologies for future ocean-observing satellite missions
Domain-Decomposition Approach to Krylov Subspace Iteration
In memory of Professor Per-Simon Kildal
Reconfigurable aperiodic array synthesis by Compressive Sensing
Design of Maximally Sparse Antenna Arrays in the Presence of Mutual Coupling
An Optimal Beamforming Algorithm for Phased-Array Antennas Used in Multi-Beam Spaceborne Radiometers
On Antenna-Architectures for Sensitive Radiometry to Support Oceanography
Multi-Element Aperiodic Array Synthesis by Compressive Sensing
Conical Quad-Mode Antenna With Integrated Tapered Slot Antennas For Wide-Field Polarimetry
Design of a Push-Broom Multi-Beam Radiometer for Future Ocean Observations
A Compact Dual-Polarized 4-Port Eleven Feed with High Sensitivity for Reflectors over 0.35-1.05 GHz
Efficient Wideband Gain Modeling for Interferometric Imaging Arrays in Radio Astronomy
Irregular Quad-Mode Antenna Array: Field-of-View Comparison with the Swedish LOFAR Station
Quad-Mode Antenna for Wide-Scan Sparse Arrays
Design of Wideband Quadruple-Ridged Flared Horn Feeds for Future Radio Telescopes
Characteristic Basis Function Analysis of Large Aperture-Fed Antenna Arrays
Dense focal plane arrays for pushbroom satellite radiometers
Novel multi-beam radiometers for accurate ocean surveillance
A Quadraxial Feed for Ultra-Wide Bandwidth Quadruple-Ridged Flared Horn Antennas
Onsala Space Observatory – IVS Technology Development Center Activities during 2013
Mixed Common and Differential Mode Analysis of Active Receiving Antennas
Modal considerations for synthesizing the tapering profile of a quadruple-ridged flared horn antenna
Aperiodic Array Antennas for Future Satellite Systems
A Quad-Mode Antenna for Accurate Polarimetric Measurements Over an Ultra-Wide Field-of-View
Future spaceborne ocean missions using high sensitivity multiple-beam radiometers
Radiation Pattern Modeling with Characteristic Basis Function Patterns
A Plane Wave Approximation in the Computation of Multiscattering Effects in Reflector Systems
Onsala Space Observatory – IVS Technology Development Center
A Simple Method for Optimal Antenna Array Thinning Using a Broadside MaxGain Beamformer
An overview of Beam Modeling Techniques for Future Radio Telescopes
Design of an active dual-mode antenna with near hemispherical Field of View coverage
Analysis of the strut and feed blockage effects in radio telescopes with compact UWB feeds
Experimental Results for the Sensitivity of a Low Noise Aperture Array Tile for the SKA
Development of a detailed system model of the Eleven feed receiver using the CAESAR software
Polarimetry With Phased Array Antennas: Theoretical Framework and Definitions
Noise-based antenna terms for active receiving arrays
Towards a uniform evaluation of the science quality of SKA technology options: Polarimetrie aspects
Wide bandwidth integrated 1-4 GHz feed development for VLBI and SKA
Performance assessment of bi-scalar beamformers in practical phased array feed systems
Performance of polarimetric beamformers for phased array radio telescopes
Temporal beam pattern stability of a radio astronomy phased array feed
An Optimal Beamforming Strategy for Wide-Field Surveys With Phased-Array-Fed Reflector Antennas
THACO: a Test Facility for Characterizing the Noise Performance of Active Antenna Arrays
Reducing the complexity of the beam calibration models of phased-array radio telescopes
Beamforming, calibration, and figures of merit for polarimetric phased array antennas
An axi-symmetric segmented composite SKA dish design: Performance and production analysis
Element gain drifts as an imaging dynamic range limitation in PAF-based interferometers
Guest Editorial for the Special Issue on Antennas for Next Generation Radio Telescopes
Design of a low-loss low-noise tapered slot phased array feed for reflector antennas
Unified Definitions of Efficiencies and System Noise Temperature for Receiving Antenna Arrays
Performance of multi-beam reflectors fed by phased array feeds with impedance-matching layers
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Showing 21 research projects
Innovative Hybrid Over-The-Air Chamber for Quick Multi-Functional Testing of Wireless Devices
Active Aperture-Integrated Geodesic Lens Antenna for Future Multibeam/Beam-Steering Wireless Links
classIC - Chalmers Lund Center for Advanced Semiconductor System Design
Nästa generations fasstyrda antenner för SATCOM
Back-scattered Field Overmoded Waveguide Measurement Chamber for Integrated Antennas at 100+GHz
Antenna technologies for beyond 5G Wireless Communication
OTA - Over-The-Air Characterization of Active Integrated Antennas for Mobile Systems
MyWave - Efficient Millimetre-Wave Communications for mobile users
Sensor Integration on manned and unmanned aircrafts
Silicon-based Ka-band massive MIMO antenna systems for new telecommunication services (SILIKA)
Millimeter-wave Backhaul Links at above 100 Gbits/s - Taking smart antennas to the limits