Jiro Hirokawa

Orcid: 0000-0001-8720-6180

According to our database1, Jiro Hirokawa authored at least 103 papers between 2004 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Awards

IEEE Fellow

IEEE Fellow 2012, "For contributions to high-gain and high-efficiency millimeter-wave planar waveguide slot arrays".

Timeline

Legend:

Book 
In proceedings 
Article 
PhD thesis 
Dataset
Other 

Links

Online presence:

On csauthors.net:

Bibliography

2024
Effective Design of an Array of Coupling Slots With a Reflection-Canceling Wall for a Parallel-Plate Slot Array Antenna.
IEEE Access, 2024

Wavelet OFDM Wireless Communication System for Autonomous Underwater Vehicles Using Loop-Shaped Antennas in Underwater Environments.
IEEE Access, 2024

2023
A Center-Fed Dual-Polarized Parallel-Plate Waveguide Slot Array Antenna Based on a Feeding Waveguide With Centered Longitudinal Feeding Slots.
IEEE Access, 2023

A Double Layer Cross-Slot Aperture-Fed Millimeter-Wave Antenna Array With Wide Axial Ratio Bandwidth.
IEEE Access, 2023

A Two-Dimensional 6×4-Way Hollow Waveguide Beam-Switching Matrix.
IEEE Access, 2023

A Broadband Full-Corporate-Fed Slot Array Antenna Based on the Single-Layer Substrate Integrated Waveguide.
IEEE Access, 2023

Directional beam antenna control in response to drone tilts.
Proceedings of the International Conference on Consumer Electronics - Taiwan, 2023

2022
Design for Operation in Two Frequency Bands by Division of the Coupled Region in a Waveguide 2-Plane Coupler.
IEICE Trans. Electron., December, 2022

Multibeam Patterns Suitable for Massive MIMO Configurations.
IEICE Trans. Commun., October, 2022

Control of Radiation Direction in an Aperture Array Excited by a Waveguide 2-Plane Hybrid Coupler.
IEICE Trans. Commun., August, 2022

Design of the Circularly Polarized Ring Microstrip Antenna with Shorting Pins.
IEICE Trans. Commun., 2022

A Wideband and High-Gain All-Metallic Perpendicular-Corporate-Fed Multi-Layered Parallel-Plate Slot Array Antenna.
IEEE Access, 2022

2021
Control of 120-GHz-Band Split Ring Resonator Filter by Coupling Lattice Pattern Substrate.
IEICE Trans. Electron., 2021

Transmission Characteristics Control of 120 GHz-Band Bandstop Filter by Coupling Alignment-Free Lattice Pattern.
IEICE Trans. Electron., 2021

Design of the Traveling-Wave Series-Fed Microstrip Antenna Array with Power Control Slits of Unequal Inter-Element Spacing.
IEICE Trans. Commun., 2021

Analysis of Intersymbol Interference Characterized by the Large Array Antennas Adopted in a 60-GHz-Band Gigabit Compact-Range Wireless Access System.
IEEE Access, 2021

Realization of a Wideband Series-Fed 4 × 4-Element Waveguide Slot Array in the X-Band.
IEEE Access, 2021

2020
Development and Performance Evaluation of Small SAR System for 100-kg Class Satellite.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2020

Experimental Evaluation of Intersymbol Interference in Non-Far Region Transmission using a Large Array Antenna in the Millimeter-Wave Band.
IEICE Trans. Commun., 2020

Sidelobe Suppression in Both the E and H Planes Using Slit Layers over a Corporate-Feed Waveguide Slot Array Antenna Consisting of 2×2-Element Radiating Units.
IEICE Trans. Commun., 2020

Transmission Enhancement in Rectangular-Coordinate Orthogonal Multiplexing by Excitation Optimization of Slot Arrays for a Given Distance in the Non-Far Region Communication.
IEICE Trans. Commun., 2020

A Four-Corner-Fed Slotted Waveguide Sparse Array for Near-Field Focusing.
IEEE Access, 2020

8 × 2-Element 60-GHz-Band Circularly Polarized Post-Wall Waveguide Slot Array Antenna Loaded With Dipoles.
IEEE Access, 2020

Novel Unmanned Aerial Vehicle-Based Line-of-Sight MIMO Configuration Independent of Transmitted Distance Using Millimeter Wave.
IEEE Access, 2020

Laser-Drilled All-Dielectric Huygens' Transmit-Arrays as 120 GHz Band Beamformers.
IEEE Access, 2020

2019
Wideband Design of a Short-Slot 2-Plane Coupler by the Mode Matching/FEM Hybrid Analysis Considering the Structural Symmetry.
IEICE Trans. Commun., 2019

A PCB-Integratable Metal Cap Slot Antenna for 60-GHz Band Mobile Terminals.
IEICE Trans. Commun., 2019

12- and 21-GHz Dual-Band Dual-Circularly Polarized Offset Parabolic Reflector Antenna Fed by Microstrip Antenna Arrays for Satellite Broadcasting Reception.
IEICE Trans. Commun., 2019

Foreword.
IEICE Trans. Commun., 2019

Perpendicular-Corporate Feed in a Four-Layer Circularly-Polarized Parallel-Plate Slot Array.
IEICE Trans. Commun., 2019

Fabrication and Evaluation of Integrated Photonic Array-Antenna System for RoF Based Remote Antenna Beam Forming.
IEICE Trans. Electron., 2019

A 20-GHz-Band 64 × 64 Hollow Waveguide Two-Dimensional Butler Matrix.
IEEE Access, 2019

Development of Compact SAR Systems for Small Satellite.
Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

Millimeter Wave Antenna for Information Shower: Design Choices and Performance.
Proceedings of the European Conference on Networks and Communications, 2019

2018
Performance Analysis and Hardware Verification of Feature Detection Using Cyclostationarity in OFDM Signal.
IEICE Trans. Commun., 2018

Wideband Waveguide Short-Slot 2-Plane Coupler Using Frequency Shift of Propagating Modes.
IEICE Trans. Electron., 2018

Absorber Integrated Planar Slot Array Antenna for Suppression of Multiple Reflection in 120-GHz-Band Close-Proximity Wireless System.
IEICE Trans. Electron., 2018

Future 5G Millimeter-Wave Systems and Terminals: Propagation Channel, Communication Techniques, Devices, and Measurements.
IEEE Commun. Mag., 2018

A Compact Multi-Beam End-Fire Circularly Polarized Septum Antenna Array for Millimeter-Wave Applications.
IEEE Access, 2018

Millimeter-Wave Frequency Beam Scanning Array With a Phase Shifter Based on Substrate-Integrated-Waveguide.
IEEE Access, 2018

2017
Plate-Laminated Waveguide Monopulse Slot Array Antenna with Full-Corporate-Feed in the E-Band.
IEICE Trans. Commun., 2017

Compact X-Band Synthetic Aperture Radar for 100kg Class Satellite.
IEICE Trans. Commun., 2017

A TM<sub>010</sub> Cavity Power-Combiner with Microstrip Line Inputs.
IEICE Trans. Electron., 2017

One-Body 2-D Beam-Switching Butler Matrix with Waveguide Short-Slot 2-Plane Couplers.
IEICE Trans. Electron., 2017

Recent Technologies in Japan on Array Antennas for Wireless Systems.
IEICE Trans. Commun., 2017

Alignment Control System Using Beam-Tilting 1-D Waveguide-Slot Array Antennas for 120-GHz-Band Corporate-Feed High-Gain 2-D Arrays.
IEICE Trans. Commun., 2017

60GHz-Band Photonic-Integrated Array-Antenna and Module for Radio-over-Fiber-Based Beam Forming.
IEICE Trans. Commun., 2017

Performance analysis and hardware verification of signal detection scheme using cyclic prefix in OFDM.
Proceedings of the 20th International Symposium on Wireless Personal Multimedia Communications, 2017

2016
Practical considerations of terahertz communications for short distance applications.
Nano Commun. Networks, 2016

A 60GHz-Band High-Efficiency Antenna with a Thick Resin Layer and Differentially Fed through a Hole in a Silicon Chip.
IEICE Trans. Commun., 2016

A 12×16-Element Double-Layer Corporate-Feed Waveguide Slot Array Antenna.
IEICE Trans. Commun., 2016

2015
Design of mm-Wave RLSAs with Lossy Waveguides by Slot Coupling Control Techniques.
IEICE Trans. Commun., 2015

Rain Sensing Using Dual-Frequency Measurements from Small-Scale Millimeter-Wave Network.
IEICE Trans. Commun., 2015

Foreword.
IEICE Trans. Commun., 2015

2014
A Partially-Corporate Feed Double-Layer Waveguide Slot Array with the Sub-Arrays also Fed in Alternating-Phases.
IEICE Trans. Commun., 2014

Double-Layer Plate-Laminated Waveguide Slot Array Antennas for a 39GHz Band Fixed Wireless Access System.
IEICE Trans. Commun., 2014

A Simple Through-Hole Based Transformer between Microstrip Line and Post-Wall Waveguide for Millimeter-Wave Applications.
IEICE Trans. Electron., 2014

A Wideband 16×16-Element Corporate-Feed Hollow-Waveguide Slot Array Antenna in the 60-GHz Band.
IEICE Trans. Commun., 2014

Phased Array Antenna Beam Steering Scheme for Future Wireless Access Systems Using Radio-over-Fiber Technique.
IEICE Trans. Commun., 2014

Propagation Characteristics of Honeycomb Structures Used in mm-Wave Radial Line Slot Antennas.
IEICE Trans. Commun., 2014

Millimeter-Wave Propagation Characteristics and Localized Rain Effects in a Small-Scale University Campus Network in Tokyo.
IEICE Trans. Commun., 2014

Photonic architecture for beam forming of RF phased array antenna.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2014

2013
An Equivalent Double Layer Model for a Fast Design and Analysis of High Gain-Multilayer Radial Line Slot Antennas.
IEICE Trans. Commun., 2013

Design and Measurement of the Plate Laminated Waveguide Slot Array Antenna and Its Feasibility for Wireless Link System in the 120 GHz Band.
IEICE Trans. Commun., 2013

Manufacture and Performance of a 60GHz-Band High-Efficiency Antenna with a Thick Resin Layer and the Feed through a Hole in a Silicon Chip.
IEICE Trans. Commun., 2013

2012
LTCC Partially-Filled Post-Wall Rectangular-Waveguide Slot Array Antenna in the Millimeter-Wave Band.
IEICE Trans. Electron., 2012

2011
Full-Wave Design Considering Slot Admittance in 2-D Waveguide Slot Arrays with Perfect Input Matching.
IEICE Trans. Commun., 2011

Loss of Post-Wall Waveguides and Efficiency Estimation of Parallel-Plate Slot Arrays Fed by the Post-Wall Waveguide in the Millimeter-Wave Band.
IEICE Trans. Electron., 2011

Eigenmode Analysis of Propagation Constant for a Microstrip Line with Dummy Fills on a Si CMOS Substrate.
IEICE Trans. Electron., 2011

A High-Efficiency Circularly-Polarized Aperture Array Antenna with a Corporate-Feed Circuit in the 60 GHz Band.
IEICE Trans. Electron., 2011

Practical Slot Array Design by Method of Moments Using One Basis Function and Constant Correction Length.
IEICE Trans. Commun., 2011

A Center-Feed Linear Array of Reflection-Canceling Slot Pairs on Post-Wall Waveguide.
IEICE Trans. Commun., 2011

2010
Design of a Partially-Corporate Feed Double-Layer Slotted Waveguide Array Antenna in 39 GHz Band and Fabrication by Diffusion Bonding of Laminated Thin Metal Plates.
IEICE Trans. Commun., 2010

A Coaxial Feeder with Two Pairs of Parasitic Pins for Realizing Rotationally Symmetric Aperture Illumination in Spiral Array Radial Line Slot Antennas.
IEICE Trans. Commun., 2010

Design of Narrow Wall Windows in a Waveguide to Feed Partially-Dielectric-Filled Oversized-Rectangular Waveguide Based on 2-Dimensional Analyses of Two Orthogonal Directions.
IEICE Trans. Commun., 2010

Connected Post-Wall (C-PW) Waveguide for Efficient Design of Broad Wall Slots by Using Equivalent Solid-Wall Waveguide.
IEICE Trans. Electron., 2010

A Post-Wall Center-Feed Waveguide Circuit Consisting of T-Junctions for Reducing the Slot-Free Area in a Parallel Plate Slot Array Antenna.
IEICE Trans. Electron., 2010

Design of Post-Wall Feed Waveguide for a Parallel Plate Slot Array by an Analysis Model with Corrected Solid-Walls.
IEICE Trans. Commun., 2010

2009
Evaluation of Effective Conductivity of Copper-Clad Dielectric Laminate Substrates in Millimeter-Wave Bands Using Whispering Gallery Mode Resonators.
IEICE Trans. Electron., 2009

Analysis and Design of a Reflection-Cancelling Transverse Slot-Pair Array with Grating-Lobe Suppressing Baffles.
IEICE Trans. Commun., 2009

Analysis and Uniform Design of a Single-Layer Slotted Waveguide Array Antenna with Baffles.
IEICE Trans. Commun., 2009

Bandwidth Enhancement of Aperture Feed by an Air Rectangular Cavity Backing in a LTCC Post-Wall Waveguide.
IEICE Trans. Electron., 2009

2008
Fabrication of Alternating-Phase Fed Single-Layer Slotted Waveguide Arrays Using Plastic Materials with Metal-Plating.
IEICE Trans. Commun., 2008

A Lightweight Radial Line Slot Antenna with Honeycomb Structure for Space Use.
IEICE Trans. Commun., 2008

The Ridged Cross-Junction Multiple-Way Power Divider for Small Blockage and Symmetrical Slot Arrangement in the Center Feed Single-Layer Slotted Waveguide Array.
IEICE Trans. Commun., 2008

Step Width Tolerable for Offset of the Aperture in a Millimeter-Wave Transducer between Post-Wall and Hollow Standard Waveguides.
IEICE Trans. Electron., 2008

2007
A Cost-Effective Transition between a Microstrip Line and a Post-Wall Waveguide Using a Laminated LTCC Substrate in 60-GHz Band.
IEICE Trans. Electron., 2007

Moment Method Analysis of a Plane Wave Generator in an Oversized Rectangular Waveguide.
IEICE Trans. Commun., 2007

2006
A Single-Layer Hollow-Waveguide 8-Way Butler Matrix.
IEICE Trans. Electron., 2006

A Coaxial Line to Post-Wall Waveguide Transition for a Cost-Effective Transformer between a RF-Device and a Planar Slot-Array Antenna in 60-GHz Band.
IEICE Trans. Commun., 2006

Design of 1 m<sup>2</sup> Order Plasma Excitation Single-Layer Slotted Waveguide Array with Conducting Baffles and Quartz Glass Strips Using the GSM-MoM Analysis.
IEICE Trans. Commun., 2006

Coupling of a circularly polarized slot pair on a corrugated waveguide of finite length.
IEICE Electron. Express, 2006

Feasibility of mechanical beam scan by movable dielectric blocks in the feeder of a single-layer waveguide array antenna.
IEICE Electron. Express, 2006

2005
A Three-Way Divider for Partially-Corporate Feed in an Alternating Phase-Fed Single-Layer Slotted Waveguide Array.
IEICE Trans. Commun., 2005

A Post-Wall Waveguide Slot Array with a Three-Way Power Divider on a Single-Layer Dielectric Substrate.
IEICE Trans. Commun., 2005

A Half-Sized Post-Wall Short-Slot Directional Coupler with Hollow Rectangular Holes in a Dielectric Substrate.
IEICE Trans. Electron., 2005

Reflection Characteristics of Center-Feed Single-Layer Waveguide Arrays.
IEICE Trans. Commun., 2005

An Alternating-Phase Fed Single-Layer Slotted Waveguide Array in 76 GHz Band and Its Sidelobe Suppression.
IEICE Trans. Electron., 2005

Feed through an Aperture to a Post-Wall Waveguide with Step Structure.
IEICE Trans. Commun., 2005

A Waveguide Broad-Wall Transverse Slot Linear Array with Reflection-Canceling Inductive Posts and Grating-Lobe Suppressing Parasitic Dipoles.
IEICE Trans. Electron., 2005

Grating Lobes Suppression in Transverse Slot Linear Array with a Dual Parasitic Beam of Strip Dipoles.
IEICE Trans. Commun., 2005

A Design of a Leaky Waveguide Crossed-Slot Linear Array with a Matching Element by the Method of Moments with Numerical-Eigenmode Basis Functions.
IEICE Trans. Commun., 2005

2004
Circularly Polarized Post-wall Waveguide Slotted Arrays.
IEICE Electron. Express, 2004


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