Rob Maaskant

2024

Contactless Measurement of a D-Band On-Chip Antenna Using an Integrated Reflective Load Switch

Reconfiguration Capabilities of the Anechoic-Reverberation Hybrid Chamber for TRP Measurements of Active Antenna Systems

Array Mutual Impedances Can Be Determined from Antenna Range Pattern Measurements

Measuring Array Mutual Impedances Using Embedded Element Patterns

Systematic Self-Interference Mitigation in Full Duplex Antenna Arrays Via Transmit Beamforming

Out-of-band Interference Suppression of SatCom Antenna Arrays through Transmit Beamforming

Hybrid OTA Chamber for Multi-Directional Testing of Wireless Devices: Plane Wave Spectrum Generator Design and Experimental Demonstration

The Hybrid Chamber for OTA measurements: Plane Wave Spectrum Quality Vs. Dynamic Range Trade-off

Characterization and Calibration of the Hybrid OTA Chamber Using a Field Scanner

Sparse Array Synthesis Including Mutual Coupling for MU-MIMO Average Capacity Maximization

Comparison of CBFM-Enhanced Iterative Methods for MoM-Based Finite Antenna Array Analysis

A Wideband mm-Wave Watt-Level Spatial Power-Combined Power Amplifier With 26% PAE in SiGe BiCMOS Technology

The state of the art in beyond 5G distributed massive multiple-input multiple-output communication system solutions

mmWave Metal Bowtie Slot Array Element Integrating Power Amplifier MMIC via On-Chip Probe to Enhance Efficiency and Bandwidth

Algorithmic Radar, a Novel Low-Power Architecture for High-Accuracy PMCW Radar

A mm-Wave Phased-Array Fed Torus Reflector Antenna with ±30° Scan Range for Massive-MIMO Base-Station Applications

2021

Co-Design and Validation Approach for Beam-Steerable Phased Arrays of Active Antenna Elements with Integrated Power Amplifiers

Uniform Linear Arrays With Optimized Inter-Element Spacing for LOS Massive MIMO

Power Efficiency and Linearity of Highly Integrated Transmitting Array Antennas

Performance Analysis of an Integrated Multi-Channel Power Amplifier Incorporating an IC-to-Waveguide Transition

2021

Sparse Automotive MIMO Radar for Super-Resolution Single Snapshot DOA Estimation With Mutual Coupling

2021

Cell Partitioning Antenna System Performance in Multi-User Scenarios for mmWave Communications

Multipath Rician Channel Simulation in the Test Zone of a Hybrid OTA Chamber

A Cavity-Backed Patch Antenna with Distributed Multi-Port Feeding, Enabling Efficient Integration with Doherty Power Amplifier and Band-Pass Filter

Fast Characterization of Mutually Coupled Array Antennas Using Isolated Antenna Far-Field Data

A New Hybrid Chamber for Generating a Spectrum of Oblique Incident Plane Waves at the DUT

2021

Enhancing mmWave On-Chip-Antennas Using In-Package Electromagnetic Bandgap Structures

Silicon-Based IC-Waveguide Integration for Compact and High-Efficiency mm-Wave Spatial Power Combiners

Emulating Rician distributed channels in a hybrid chamber for OTA measurements

Spatial Power Combining and Impedance Matching Silicon IC-to-Waveguide Contactless Transition

On the convergence of the iterative gauss-seidel-based electric field algorithm for the solution of antenna array mutual coupling

2021

Numerical analysis of Huygens-like on-chip antennas for mm-wave applications

Quiet Zone Quality of a Plane Wave Generator inside an Over-Moded Waveguide Chamber Emulating a Variable Angle of Incidence

Antenna Systems for 5G mm-Wave Radio Access

IC Design Aspects for 5G mm-Wave Systems

A Dual-Fed PIFA Antenna Element With Nonsymmetric Impedance Matrix for High-Efficiency Doherty Transmitters: Integrated Design and OTA-Characterization

2020

Semi-Analytical Model of the Rician K-Factor

2020

Array Configuration Effect on the Spatial Correlation of MU-MIMO Channels in NLoS Environments

Antenna Mutual Coupling Effects in Highly Integrated Transmitter Arrays

2020

High power mm-wave spatial power combiner employing on-chip isolation resistors

2020

A Wideband and Low-Loss Spatial Power Combining Module for mm-Wave High-Power Amplifiers

2020

Multi-Panel Sparse Base Station Design with Physical Antenna Effects in Massive MU-MIMO

Effect of antenna array element separation on capacity of MIMO systems including mutual coupling

Characterization and Performance of an Ultra-Wideband Wide-Coverage Multimode MIMO Antenna

2019

Deep Integration Antenna Array: Design Philosophy and Principles

High-Efficiency and Wideband Aperiodic Array of Uniformly Excited Slotted Waveguide Antennas Designed Through Compressive Sensing

A 1-D Steerable Beam Slotted Waveguide Antenna Employing Non-Conventional Aperiodic Array Architecture for mm-wave Line-Of-Sight MIMO

2019

A Directly Matched PA-Integrated K-band Antenna for Efficient mm-Wave High-Power Generation

Guest Editorial Antenna-in-Package, Antenna-on-Chip, Antenna-IC Interface: Joint Design and Cointegration

2019

Towards a Generic Model for MU-MIMO Analysis Including Mutual Coupling and Multipath Effects

2019

MIMO-Sparse Radars for Enhanced DOA Estimation of Spatio-Temporal Correlated Sources

Performance comparison of silicon substrates for IC-waveguide integration based on a contactless transition at mm-wave frequencies

2019

N-way spatial power combining in SIW for high power generation MMICs-scalability bounds

On the Outage Performance of Line-Of-Sight Massive MIMO with a Fixed-Length Uniform Linear Sparse Array

Aperiodic Switched Array for Line-of-Sight MIMO Backhauling

Capacity Gains of (3 × 3)×(3 × 3) MIMO Fixed Links with Planar Aperiodic Sparse Arrays in Pure-LOS Channels

2018

Wideband mm-Wave Transition Between a Coupled Microstrip Line Array and SIW for High-Power Generation MMICs

Network model of a 5G MIMO base station antenna in a downlink multi-user scenario

2018

A Ka-Band Active Integrated Antenna for 5G Applications: Initial Design Flow

2018

Efficient Millimeter-Wave High Power Generation with Spatial Power-Combined Feeding Element

An E-band silicon-ic-to-waveguide contactless transition incorporating a low-loss spatial power combiner

2018

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

2018

On the Sparsity and Aperiodicity of a Base Station Antenna Array in a Downlink MU-MIMO Scenario

Fast analysis of active antenna systems following the Deep Integration paradigm

2018

Characterization method of an automotive random-LOS OTA measurement setup

Effects of Regular and Aperiodic Array Layout in Multi-User MIMO Applications

Toward Wide-Band Low-Loss Gap-Waveguide-Integrated Grid Amplifiers

2017

Wide-Band Spatially Distributed TE10 Substrate Integrated Waveguide Transition for High-Power Generation at mm-Wave Frequencies

Element Pattern Prediction in Mutually-Coupled Arrays Through Isolated Antenna Characterization

The CBFM-Enhanced Jacobi Method for Efficient Finite Antenna Array Analysis

Aperiodic Isophoric Slotted Waveguide Antenna for Point-to-Point Communications at Ka-band

Point-to-Point 3 x 3 MIMO Performance Gains with Aperiodic Sparse Arrays in Pure LOS Channels

2017

MIMO Channel Capacity Gains in mm-Wave LOS Systems with Irregular Sparse Array Antennas

Enhancing the Jacobi Method with the CBFM for array antenna analysis

Useful Physical Images and Algorithms for Vector Dyadic Green's Functions [Wireless Corner]

Accelerating the CBFM-enhanced jacobi method

Deep Integration: A Paradigm Shift in the Synthesis of Active Antenna Systems

2017

A Wideband Contactless and Bondwire-Free MMIC to Waveguide Transition

High-Sensitivity Phased Array Receivers for Radio Astronomy

2016

Synthesis of circular isophoric sparse arrays by using compressive-sensing

Synergy in design of phased array antennas for modern radio astronomy and wireless communication systems

2016

Synthesis of Maximally Sparse Arrays Using Compressive Sensing and Full-Wave Analysis for Global Earth Coverage Applications

2016

In memory of Professor Per-Simon Kildal

Comparison of the iterative jacobi method and the iterative Domain Green'S Function Method for finite array analysis

2016

Mm-Wave contactless connection for MMIC integration in gap waveguides

Modal-Based Design of a Wideband Quadruple-Ridged Flared Horn Antenna

2016

Domain-Decomposition Approach to Krylov Subspace Iteration

2016

Application of the Compressive-Sensing Approach to the Design of Sparse Arrays for SATCOM Applications

2016

Reconfigurable aperiodic array synthesis by Compressive Sensing

Teaching and Learning Electromagnetics: An Analytical Problem-Solving Approach

2016

Array-fed cylindrical reflector antenna for automotive OTA tests in Random Line-Of-Sight

2016

W-band spatial power combiner and splitter in gap waveguide technology

Capabilities and fundamental limitations of multi-mode antennas in an array environment

2016

Spatial Power Combining and Splitting in Gap Waveguide Technology

2015

Maximum Aperture Power Transmission in Lossy Homogeneous Matters

2015

Field Computations Through the ACA Algorithm

2015

Multi-Element Aperiodic Array Synthesis by Compressive Sensing

Fast Solution of Multiple Slot-Coupled Waveguide Junctions Using the CBFM

2015

Irregular Quad-Mode Antenna Array: Field-of-View Comparison with the Swedish LOFAR Station

2015

Fast Prediction of Aperture Efficiency and Sidelobe Levels in Shaped Reflector Systems through Model Based Output Space Mapping

2015

Efficient correction for both direction-dependent and baseline-dependent effects in interferometric imaging: An A-stacking framework

2015

Efficient Wideband Gain Modeling for Interferometric Imaging Arrays in Radio Astronomy

2015

Quad-Mode Antenna for Wide-Scan Sparse Arrays

Conical Quad-Mode Antenna With Integrated Tapered Slot Antennas For Wide-Field Polarimetry

2015

Design of Maximally Sparse Antenna Arrays in the Presence of Mutual Coupling

2015

A Comparison of Two Types of Macro Basis Functions Defined on LEGO Electromagnetic Bricks

2015

Equivalent Circuit of a Quadraxial Feed for Ultra-Wide Bandwidth Quadruple-Ridged Flared Horn Antennas

2015

Optimal Aperture Distribution for Maximum Power Transfer in Planar Lossy Multilayered Matters

Accelerating the Domain Green's Function Method through adaptive cross approximation

Beamforming strategies for active multi-mode antennas: Maximum gain, Signal-to-Noise ratio, and polarization discrimination

2014

Optimal aperture distribution for near-field detection of foreign objects in lossy media

2014

Design of Wideband Quadruple-Ridged Flared Horn Feeds for Future Radio Telescopes

Fast analysis of periodic antennas and metamaterial-based waveguides

2014

A Quadraxial Feed for Ultra-Wide Bandwidth Quadruple-Ridged Flared Horn Antennas

Efficient Analysis of Large Aperiodic Antenna Arrays Using the Domain Green’s Function Method

Scalability Analysis and Modeling of Future Massive MIMO Antenna Array Systems

Modal considerations for synthesizing the tapering profile of a quadruple-ridged flared horn antenna

Applying the NGF-enhanced Domain Green's Function Method to the analysis of antenna arrays and ground planes of finite sizes

2014

Fast and Accurate Analysis of Reflector Antennas with Phased Array Feeds Including Multiple Reflections between Feed and Reflector

2014

Aperiodic Array Antennas for Future Satellite Systems

A Quad-Mode Antenna for Accurate Polarimetric Measurements Over an Ultra-Wide Field-of-View

2014

Macro Basis Function Framework for Solving Maxwell’s Equations in Surface Integral Equation Form

Toward a practical demonstration of physics-based beam calibration models - CBFPs and the LOFAR-LBA antenna array radio telescope

2014

Efficient Analysis of Large Aperiodic Antenna Arrays Using the Domain Green's Function Method

A comparison of domain decomposition techniques for analysing disjoint finite antenna arrays

2014

Radiation Pattern Modeling with Characteristic Basis Function Patterns

Mixed Common and Differential Mode Analysis of Active Receiving Antennas

2014

Mixed-Mode Sensitivity Analysis of a Combined Differential and Common Mode Active Receiving Antenna Providing Near-Hemispherical Field-of-View Coverage

2014

Characteristic Basis Function Analysis of Large Aperture-Fed Antenna Arrays

Application of the characteristic basis function pattern method to reflector surface inaccuracies and sidelobe modeling

2013

Improving the Calibration Efficiency of an Array Fed Reflector Antenna through Con-strained Beamforming

Applying the CBFM-enhanced domain Green's function method to the analysis of large disjoint subarray antennas

2013

A Simple Method for Optimal Antenna Array Thinning Using a Broadside MaxGain Beamformer

2013

An overview of Beam Modeling Techniques for Future Radio Telescopes

2013

Accurate Beam Prediction Through Characteristic Basis Function Patterns for the MeerKAT/SKA Radio Telescope Antenna

Design of an active dual-mode antenna with near hemispherical Field of View coverage

2013

A Plane Wave Approximation in the Computation of Multiscattering Effects in Reflector Systems

Comparison of parallel-plate Green’s function acceleration techniques

2012

Performance evaluation of far-field patterns for radio astronomy applications through the Jacobi-Bessel series

2012

Polarimetry With Phased Array Antennas: Theoretical Framework and Definitions

2012

Polarimetry With Phased Array Antennas: Sensitivity and Polarimetric Performance Using Unpolarized Sources for Calibration

2012

Characteristic basis function patterns – a novel expansion method for the fast and accurate prediction of antenna array beams

2012

Development of a detailed system model of the Eleven feed receiver using the CAESAR software

2012

Fast analysis of gap waveguides using the characteristic basis function method and the parallel-plate Green’s function

2012

Noise-based antenna terms for active receiving arrays

2012

Towards the understanding of the interaction effects between reflector antennas and phased array feeds

2012

Efficient Prediction of Array Element Patterns Using Physics-Based Expansions and a Single Far-Field Measurement

2011

The Method of Equivalent Dipole Moments (MEDM) - a Novel CBFM Approach for the Fast and Accurate Solution of Dielectric-Scattering Problems

2011

Analysis of the EMBRACE aperture array antenna by the characteristic Basis Function Method

2011

An Optimal Beamforming Strategy for Wide-Field Surveys With Phased-Array-Fed Reflector Antennas

2011

Analysis of large microstrip-fed tapered slot antenna arrays by combining electrodynamic and quasi-static field models

2011

Performance of polarimetric beamformers for phased array radio telescopes

Beamforming, calibration, and figures of merit for polarimetric phased array antennas

2011

Multi-level characteristic basis function method (MLCBFM) for the anaylsis of large antenna arrays

2011

Aperture array development for future large radio telescopes

2010

Reply to Comments on ‘Decoupling efficiency of a wideband Vivaldi focal plane array feeding a reflector antenna’

2010

Unified Definitions of Efficiencies and System Noise Temperature for Receiving Antenna Arrays