OOIR: Observatory of International Research

Papers

(The TQCC of IET Microwaves Antennas & Propagation is 3. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-04-01 to 2025-04-01.)

Article	Citations
Improving coverage of indoor millimetre wave systems using spherical reflectors	30
Scattering from a semi‐elliptical cavity with arbitrary orientation placed in a perfect electric conductor plane	30
A combined aperture‐coupled membrane microstrip patch antenna array	25
Synthesis of flat‐top beampatterns based on simple polynomial transforms of Gaussian excitations	17
Guest editorial: Antenna integration and miniaturisation techniques	16
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Miniaturised ultra‐wideband circular polarised koch fractal crossed dipole array	13
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Compact linear‐phase bandpass filters with notched frequency response employing eighth‐mode substrate integrated waveguide and dual‐mode microstrip line structure	12
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Low complexity but near optimal hybrid beamforming design in tera‐hertz communication systems: principles and opportunities	10
The performance of in‐building measurement‐based path loss modelling using kriging	10
A non‐50 Ω‐RMCL transition designed for on‐chip measurement in the 0–170 GHz frequency range	10
A high gain circularly polarised magnetoelectric dipole antenna array with metallic radiating structures for millimetre‐wave applications	10
Combined scheme for mitigating coupling interference in dual‐band shared‐aperture base station antenna	10
High gain, high isolation, and low‐profile two‐element MIMO array loaded by the Giuseppe Peano AMC reflector for wireless communication systems	9
A new periodic fractal parasitic structure to design the circularly polarized microstrip antenna for the satellite navigation system	9
A low sidelobe 77 GHz centre‐fed microstrip patch array antenna	9
Compact dual‐layer substrate‐integrated waveguide bandpass filters with controllable transmission zeros	9
Miniaturised frequency selective surface‐based rasorber with wideband two‐sided absorption and switchable transmission/reflection band	9
An ultra‐wideband compact design for hyperthermia: Open ridged‐waveguide antenna	9
Cover Image	9
Horn array antenna with high aperture efficiency and suppressed grating lobes	8
Prediction of the far field radiated by a flat antenna under test from a reduced set of near‐field bi‐polar measurements	8
A fast multi‐structural tracking method for characteristic modes with the ability to identify and amend errors	8

3D metal printed slot antenna array with high gain and enhanced bandwidth using triple‐mode sine corrugated cavity resonator	8
Efficient electromagnetic analysis of multi‐layer and multi‐scale periodic/quasi‐periodic structures	8
Wideband and metal‐only linear to circular polarization converter using multi‐slot elements	8
A novel metasurface lens antenna design for over‐the‐air testing in millimetre wave radio resource management measurement	8
On aligning cascaded elements with the polarisation of the incident circularly polarised wave	8
A 28‐GHz reconfigurable 1‐bit substrate‐integrated‐waveguide based phase shifter	8
A stochastic contour path finite‐difference time‐domain method for uncertainty analysis of metal slot size	7
High‐gain ultra‐wideband quasi‐conical beam Fabry‐Perot antenna based on beam switching	7
Time domain response of corrugated transmission lines	7
A direct synthesis method of multi‐port filtering power divider with arbitrary phase shift, power division and reference impedances	7
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An efficient adaptive h‐refinement for the RWG‐based electric field integral equation applied to antennas with waveport	7
Machine learning‐assisted direction‐of‐arrival accuracy enhancement technique using oversized lens‐loaded cavity	7
Probability distributions of three‐antenna efficiency measurement in a reverberation chamber	7
3D geometry‐based UAV to vehicle multiple‐input multiple‐output channel model incorporating Unmanned aerial vehicle heaving motion	7
An improved simplified composite right‐/left‐handed zeroth‐order resonator and its application to design a compact microstrip bandpass filter with enhanced upper stopband	7
Miniaturised integrated passive device balun design with balanced amplitude and phase for Wi‐Fi applications	7
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Design of robust and low‐loss 3‐D printed double‐ridged waveguide to microstrip transition	6
Full‐angle beam scanning leaky‐wave antenna array based on spoof surface plasmon polaritons	6
Embroidered Spoof Surface Plasmon Polariton Transmission Line for Wireless Body Sensor Network	6
Compact UHF RFID balun‐like integrated tag antenna for long range detection of water bottles	6
Balanced‐to‐unbalanced and balanced‐to‐balanced filtering rat‐race couplers using multilayer substate integrated waveguide cavities	6
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Comparative analysis of antenna isolation characteristic with & without self‐interference reduction techniques towards in‐band full‐duplex operation	6
Guest Editorial: Antennas and propagation at millimetre, sub‐millimetre wave and terahertz bands	6
A flat aperture antenna composed of a series fed H‐plane horn array excited by a ridge gap waveguide horn	6
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A single‐layer circularly polarized planar lens antenna at millimetre‐wave	6
Design of bandwidth enhancement circular polarisation microstrip antenna loaded with sunflower‐shaped metasurface	5
A W‐band dual‐beam low side‐lobe level antenna with shared slotted waveguide arrays	5
Balanced multiple‐layer dual‐mode substrate integrated waveguide filters with controllable finite‐transmission zeros	5
Design and fabrication of waveguide‐based graded refractive index Rotman lens with an improved insertion loss at K_a‐band	5
Accurate prediction of radio wave propagation in an environment of dielectric ground and obstacles based on the principle of domain decomposition	5
3‐D glass integrated stacked patch antenna array for silicon active package system	5
Analysis of electromagnetic interaction between smooth and corrugated transmission lines by using a circuit model	5
Wideband single‐fed circularly polarised patch antenna	5
One‐dimensional high‐gain beam‐scanning transmitarray fed by phased array with continuous electronic scan and low scan loss	5
Behaviour modelling of passive intermodulation in a complex non‐linear system	5
A high‐gain circular polarization beam scanning transmit array antenna	5
Design and characterisation of a dual probe with double‐loop structure for simultaneous near‐field measurement	5
General approach to the line source electromagnetic scattering by a circular strip: Both E‐ and H‐polarisation cases	5
Watchstrap integrated wideband circularly polarized antenna design for smartwatch applications	5
Design of miniaturised printed quadrifilar helix antenna with isoflux coverage and wide‐angle circular polarisation	5
Low power and low phase noise complementary voltage controlled oscillator optimised by a meta‐heuristic algorithm	5
Polarised beampattern synthesis against array manifold mismatch	5
Antenna array calibration methods based on simultaneous perturbation	5
A wideband and high‐gain switched‐beam antenna system using active frequency selective surface	5
Scattering of an obliquely incident E− polarised plane wave from ensembles of slotted cylindrical cavities: A rigorous approach	5
Longitudinal coupling impedance of a particle traveling in PEC rings: A regularised analysis	4

Magneto‐electric dipole antenna array for 77 GHz automotive radar	4
Stability and steady state analysis of mode lock state of medium coupled microwave oscillators	4
Complex WGM frequencies of gyroelectric cylindrical resonators	4
Efficient minimum blind area model for system and interference uncertainty	4
Multilayer packaging dual‐band balanced bandpass filter based on dual‐mode substrate integrated waveguide cavities with split‐type topology	4
System‐based specifications for better design of ground‐penetrating radar antennas	4
A slotline‐fed wideband dipole with filtering gain response	4
Analysis of double‐Xi‐shaped millimetre‐wave patch antenna backed by a high‐order‐mode cavity using characteristic mode design	4
A grating lobe suppression method for displaced subarrays using genetic algorithm	4
Dyadic Green's function of partially filled graphene‐loaded rectangular waveguides	4
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Frequency and polarisation selective surface for sub‐millimetre wave atmospheric remote sensing	4
Design and development of broadband gap waveguide‐based 0‐dB couplers for Ka‐band applications	4
Metamaterial‐based linear phased array antenna with improved wide‐angle scanning bandwidth by parasitic metal strips	4
Measurement‐based delay, angular dispersion and propagation loss characteristics of outdoor propagation in beam domain and multi‐beam operation at 38 GHz for 5‐G communication systems	4
Boosting the performance of low‐cost eco‐friendly pyramidal absorbers with a Salisbury screen	4
W‐band single‐layer circularly‐polarised antenna based on compact gap waveguide	4
Multi‐band millimetre wave indoor directional channel measurements and analysis for future wireless communication systems	4
A polarization‐insensitive time‐modulated frequency‐selective surface for broad frequency range	4
Rain attenuation prediction model for terrestrial links incorporating wet antenna effects	4
A single‐microstrip‐fed S‐shaped magneto‐electric dipole array with broadband circular polarisation for MMW applications	4
Wideband circularly polarised antenna array with isoflux pattern	4
Three‐dimensional metal‐only phoenix cell and its application for reflectarrays	4
Electromagnetic radiation estimation at the ground plane near fifth‐generation base stations in China by using machine learning method	4
A ray tracing‐assisted device discovery approach for low terahertz communications	4
Dual‐polarised end‐fire antenna based on the high‐order mode of spoof surface plasmon polaritons	4
A low radar cross section antenna array based on a liquid metal metasurface	4
Meander‐line‐loaded circularly polarized square‐slot antenna with inverted‐L‐shaped feed line for C‐band applications	4
A novel broadband windmill‐shaped metasurface antenna with stable radiation patterns	4
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Combined‐harmonics wireless power transfer system	3
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An efficient eigenmode restoration and mode matching method for multi‐junctional inhomogeneous waveguiding structures based on the Krylov subspace method	3
Compact front module with integrated miniaturised antenna in package for parabolic reflector antenna in satellite ground terminals	3
Compact 3‐dB directional coupler design based on substrate integrated dual‐strip coaxial line	3
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Dual‐band circular patch antenna working in TM₄₁ and TM₁₁ mode for on‐/off‐body communications	3
Metasurface‐based circularly polarised antenna: Enhanced bandwidth with characteristic mode analysis and symmetric branch design	3
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Physics‐informed surrogates for electromagnetic dynamics using Transformers and graph neural networks	3
Wideband end‐fire circularly polarised complementary source antenna for millimetre‐wave applications	3
Miniaturised high‐isolation K‐/Ka‐band diplexer with 3D antarafacial channel integration using vertical quasi‐coaxial matching network	3
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A simple yet efficient solution for TE scattering from a right trapezoidal groove	3
Performance analysis of pixelated antennas employing shifted cross‐shaped elements	3
Physics‐based wave propagation model assisted vehicle localisation in tunnels	3
Design of Artificial Electromagnetic Materials Using ResNet‐Based Deep Learning Method	3
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H‐plane horn antenna with very low side lobes using partially dielectric‐filled gap waveguide technology	3
A reconfigurable transmitarray unit cell employing liquid metal	3
Design and implementation of an S‐band near‐field focused array with high E‐field strength	3
General numerical solution of integral equation for long‐range low‐frequency groundwave propagation over irregular terrain	3
Surrogate‐based model using auto‐encoder for optimising multi‐band antennas	3
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Research on methods to enhance the survivability of AWACS with FDA against anti‐ARMs on a battlefield	3
Bandwidth enhancement of circularly polarised slot global navigation satellite systems antenna using an integrated filter‐antenna approach	3
Development of a compact metasurface antenna with reconfigurable pattern through mode combination technique for 5G mm‐wave applications	3
Application of switchable 4G/5G dual antenna system for laptops	3
Multilook phase difference distribution for slightly rough boundary layered ground	3
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Underdetermined direction of arrival estimation of wideband signal based on sparse array	3
Theoretical and experimental investigations on a compact TE₁₁ mode bend for high‐power transmission line	3
Compact Ka‐band conical beam filtenna	3
Malfunctioning conformal phased array: Radiation pattern recovery with particle swarm optimisation	3
Equiripple design of low‐pass filter using stub‐loaded Z‐shaped coupled‐line section	3