Ashraf Uz Zaman

Showing 183 publications
Gapwaveguide Automotive Imaging Radar Antenna with Launcher in Package Technology
Multilayer Dry Film Photoresist Fabrication of a Robust >100 GHz Gap Waveguide Slot Array Antenna
E-Band Low-Loss Reconfigurable Phase Shifters
Multilayer Dry Film Photoresist Fabrication of a Robust >100 GHz Gap Waveguide Slot Array Antenna
Monopulse Feeding Network Based on New Gap Waveguide Planar Magic-Tees
A 60 GHz-Band 4×4 Butler Matrix Based on Ridge Gap Waveguide
A 60 GHz-Band 4x4 Butler Matrix Based on Ridge Gap Waveguide
An E-band Reconfigurable Phase Shifter Based on Gap Waveguide
Using a Conical Horn as Compact Antenna Test Range Feed in Millimetre Bands
Design and development of broadband gap waveguide-based 0-dB couplers for Ka-band applications
A Single Layer Dual-Polarization Array Antenna Based on Parallel Plate Gap Waveguide
Micromachined Wideband Ridge Gap Waveguide Power Divider at 220-325 GHz
High Gain and Fixed Broadside radiation at 140GHz Band by a Leaky Wave Slotted Waveguide
3D Printed Periodic Structures for RF Packaging of Integrated Array Module at sub-6GHz Band
Compact Low-Loss Chip-to-Waveguide and Chip-to-Chip Packaging Concept Using EBG Structures
Single Layer Dual Circularly Polarized Antenna Elements for Automotive Radar at 77 GHz
An unequal power divider based on ridge gap waveguide with an inserted conductor plate
Micromachined Ridge Gap Waveguide Transmission Line and Transition at 220-310 GHz
A Dual Circularly Polarized Array Antenna for Ka-Band Satellite Communications
Packaging Technique of Highly Integrated Circuits Based on EBG Structure for +100 GHz Applications
Road Surface Characterization Using a Radiometer at 100 GHz
A V-Band Low Sidelobe Cavity-Backed Slot Array Antenna Based on Gap Waveguide
A wideband 3-dB directional coupler in GGW for use in V-Band communication systems
Groove Gap Waveguide Filter Based on Horizontally Polarized Resonators for V-Band Applications
A Method of Reducing Mutual Coupling for a Finite Array
D-band waveguide-to-microstrip transition implemented in eWLB packaging technology
Oil, water, and ice detection on road surfaces with a millimeter-wave radiometer
Nongalvanic Generic Packaging Solution Demonstrated in a Fully Integrated D-Band Receiver
Planar H-Plane Horn Antenna Based on Groove Gap Waveguide Technology
Ka band microstrip fed slot array antenna with PMC packaging
A Series-fed High-Gain Gap Waveguide Planar Array Antenna Fed by Quasi-TEM Wave
A Compact Double-Layer Groove Gap Waveguide Power Divider with High Isolation
A Simple Asymmetric Orthomode Transducer Based on Groove Gap Waveguide
A D-Band Center-Feed Linear Slot Array Antenna Based on Gap Waveguide
An Unequal Power Divider Based on Ridge Gap Waveguide
D-Band Slot Array Antenna Using Combined Ridge and Groove Gap Waveguide Feeding Network
5G mmWave Beam Steering Antenna Development and Testing
A Method of Reducing Mutual Coupling Using an Extra Coupling Path
Polymer based 140 GHz Planar Gap Waveguide Array Antenna for Line of Sight (LOS) MIMO Backhaul Links
8 x 8 Ka-Band Dual-Polarized Array Antenna Based on Gap Waveguide Technology
Ultrawide Band Tightly-Coupled Aperture Magneto-Electric Dipole Array over 20 - 40 GHz
Two Types of High Gain Slot Array Antennas based on Ridge Gap Waveguide in the D-Band
Design of a 38 dBi Slot Array on Gap Waveguide at 140 GHz
A Planar Single-Polarized Ultra-Wideband Antenna Element for Millimeter-Wave Phased Array
Wideband Dual-polarized Array Antenna on Dielectric-based Inverted Microstrip Gap Waveguide
An E-band Compact Frequency Division Duplex Radio Front-end Based on Gap Waveguide Technology
Millimeter wave Microstrip Fed Slot Array Antenna with PMC Packaging for Future 5G Systems
Capacitive-coupled groove gap waveguide filter
140 GHz Planar Gap Waveguide Array Antenna for Line of Sight (LOS) MIMO Backhaul Links
Bandwidth Investigation on Half-Height Pin in Ridge Gap Waveguide
Towards Integrated Active Antennas for 5G mm-wave Applications at Gapwaves
A V-band branch guide 3-dB Coupler based on gap waveguide for use in antenna array
A compact phase shifter in groove gap waveguide for millimeter-wave applications
PCB Based UWB mm-Wave Smart Capped Bowtie Array for 5G Communication Systems
A mmWave Wideband Slot Array Antenna Based on Ridge Gap Waveguide With 30% Bandwidth
Design of Wideband Slot Array Antenna by Groove Gap Waveguide in Millimeter Waves
Millimeter wave high gain antenna based on gap waveguide technology
A wideband high-gain and high-efficiency slot array antenna based on groove gap waveguide
Design of A Wideband Array Antenna Prototype with Gap Waveguide for W-Band Wireless Links
Gap waveguide technology for millimeter-wave antenna systems
W-Band Low-Profile Monopulse Slot Array Antenna Based on Gap Waveguide Corporate-Feed Network
Gap waveguide based 1-D steerable beam antenna concept for millimeter-wave 5G application
Ridge gap waveguide slot antenna array with 30% bandwidth for 60-GHz applications
Millimeter wave wideband high gain antenna based on gap waveguide technology
Slot Antenna Array Unit Cell Directly Fed by Inverted Microstrip Gap Waveguide
Pick and place assembly technique for fabrication of groove gapwaveguide resonator
A dual-polarized slotted-waveguide antenna based on gap waveguide technology
A Wideband Contactless and Bondwire-Free MMIC to Waveguide Transition
Design of 8 × 8 Slot Array Antenna based on Inverted Microstrip Gap Waveguide
Design of a double layer cavity backed slot array antenna in gap waveguide technology
A Ridge Gap Waveguide fed apperture-coupled microstrip antenna array for 60 GHz applications
Diplexer integration into a Ka-band high-gain gap waveguide corporate-fed slot array antenna
E-band 3-D metal printed wideband planar horn array antenna
A GapWaveguide-Fed Wideband Patch Antenna Array for 60-GHz Applications
An E-band Antenna-diplexer Compact Integrated Solution Based on Gap Waveguide Technology
Wideband cavity-backed slot subarray with gap waveguide feed-network for D-band applications
Micromachined Linear Slot Array Antenna for 100 GHz with 10 dB Gain Using GAP Waveguide Technology
Mm-Wave contactless connection for MMIC integration in gap waveguides
Different gap waveguide slot array configurations for mmwave fixed beam antenna application
Optimizing the numerical port for inverted microstrip gap waveguide in full-wave simulators
Corporate distribution networks for slot array antenna based on groove gap waveguide technology
W-band spatial power combiner and splitter in gap waveguide technology
Design of transition from WR-15 to inverted microstrip gap waveguide
A high gain ridge gap waveguide fed slot antenna array for 60 GHz applications
Spatial Power Combining and Splitting in Gap Waveguide Technology
In memory of Professor Per-Simon Kildal
Design of a Cavity-backed Slot Array Unit Cell on Inverted Microstrip Gap Waveguide
A groove gap Waveguide Iris Filter for V-band Application
V-Band Groove Gap Waveguide Diplexer
MICROMACHINED GAP WAVEGUIDE DEVICES FOR ABOVE 100 GHZ
60GHz Slot-Array Antenna Design Based on Gap Waveguide Cavity and Gap Waveguide Feed
Prospective new PMC based gap waveguide shielding for microwave modules
Micromachined gap waveguide devices for above 100 GHz
Micromachined Groove Gap Waveguides for 100 GHz applications
Linear slot array design in ridge gap waveguide technology
Ka-Band Gap Waveguide Coupled-Resonator Filter for Radio Link Diplexer Application
Micromachined gap waveguides for 100 GHz applications
Study of Q-Factors of Ridge and Groove Gap Waveguide Resonators
Ku band linear slot-array in ridge gapwaveguide technology
Investigation of a Microstrip-to-Ridge Gap Waveguide transition by electromagnetic coupling
Slot antenna in ridge gap waveguide technology
Design of a coplanar waveguide-to-ridge gap waveguide transition via capacitive coupling
Metamatrial based packaging method for improved isolation of circuit elements in microwave modules
Micromachined Ridge Gap Waveguide and Resonator for Millimeter-Wave Applications
Bed of Springs for Packaging of Microstrip Circuits in the Microwave Frequency Range
Gap waveguide components for millimeter-wave systems. Couplers, filters, antennas, MMIC packaging
Micromachined Ridge Gap Waveguide and Resonator for 220-325 GHz
Improved Microstrip Filters Using PMC Packaging by Lid of Nails
New low loss inverted microstrip line using gap waveguide technology for slot antenna applications
Micromachined ridge gap waveguide for sub millimeter and millimeter wave applications
Design of Band-Pass Filter Using Gap Waveguide Technology
Design of Micromachined Ridge Gap Waveguides for Millimeter-Wave Applications
Improving microstrip filters with gap waveguide packaging
Validation of ridge gap waveguide performance using in-house TRL calibration kit
Design of cryogenic 2-14 GHz Eleven feed for reflector antennas for future radio telescopes
Packaging of microstrip circuits using gap waveguide approach
Concept of gap waveguide and measured results for first demonstrator
Losses in ridge gap waveguide compared with rectangular waveguide and microstrip lines
Q-factor comparisons between new gap waveguide technology and standard rectangular waveguide
Cryogenic 2-14GHz low noise receiver for radio astronomy using Eleven feed
Cryogenic integration of 2-14 GHz Eleven Feed in wideband receiver for VLBI 2010
Parallel plate cavity mode suppression in microstrip circuit packages using a lid of nails
Design of Transition from Coaxial Line to Ridge Gap Waveguide
Alternative ridge gap waveguide design using a mushroom-type EBG surface
Dual polarised microstrip patch antenna with high port isolation
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Showing 4 research projects
Hardware For Next generation Millimeter Wave Automotive Radar Sensor
Millimeter Wave Massive MIMO Gap Waveguide Antenna Module Design Based on Pick and Place Technique