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 2021-05-01 to 2025-05-01.)

Article	Citations
A polarization‐insensitive time‐modulated frequency‐selective surface for broad frequency range	30
Complex WGM frequencies of gyroelectric cylindrical resonators	17
A wideband and high‐gain switched‐beam antenna system using active frequency selective surface	17
Design and development of broadband gap waveguide‐based 0‐dB couplers for Ka‐band applications	15
Watchstrap integrated wideband circularly polarized antenna design for smartwatch applications	13
A low sidelobe 77 GHz centre‐fed microstrip patch array antenna	13
A new periodic fractal parasitic structure to design the circularly polarized microstrip antenna for the satellite navigation system	12
Low complexity but near optimal hybrid beamforming design in tera‐hertz communication systems: principles and opportunities	12
A fast multi‐structural tracking method for characteristic modes with the ability to identify and amend errors	10
Guest editorial: Antenna integration and miniaturisation techniques	10
Design of robust and low‐loss 3‐D printed double‐ridged waveguide to microstrip transition	10
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Wideband and metal‐only linear to circular polarization converter using multi‐slot elements	10
Surrogate‐based model using auto‐encoder for optimising multi‐band antennas	9
Metamaterial‐based linear phased array antenna with improved wide‐angle scanning bandwidth by parasitic metal strips	9
Multilayer packaging dual‐band balanced bandpass filter based on dual‐mode substrate integrated waveguide cavities with split‐type topology	9
A high‐gain circular polarization beam scanning transmit array antenna	9
Performance analysis of pixelated antennas employing shifted cross‐shaped elements	9
Machine learning‐assisted direction‐of‐arrival accuracy enhancement technique using oversized lens‐loaded cavity	9
System‐based specifications for better design of ground‐penetrating radar antennas	9
Design and implementation of an S‐band near‐field focused array with high E‐field strength	9
A reconfigurable transmitarray unit cell employing liquid metal	9
3D geometry‐based UAV to vehicle multiple‐input multiple‐output channel model incorporating Unmanned aerial vehicle heaving motion	9
Boosting the performance of low‐cost eco‐friendly pyramidal absorbers with a Salisbury screen	9
Miniaturised high‐isolation K‐/Ka‐band diplexer with 3D antarafacial channel integration using vertical quasi‐coaxial matching network	8

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Bandwidth enhancement of circularly polarised slot global navigation satellite systems antenna using an integrated filter‐antenna approach	8
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Multi‐band millimetre wave indoor directional channel measurements and analysis for future wireless communication systems	7
Equiripple design of low‐pass filter using stub‐loaded Z‐shaped coupled‐line section	7
Three‐Dimensional Integral Equation‐based GSTC Method for Composite Structure With Arbitrary‐Shaped Nonpenetrating Metasurface	7
Wideband end‐fire circularly polarised complementary source antenna for millimetre‐wave applications	7
Iterative synthesis method for high‐directivity symmetrical stepped‐impedance microstrip parallel‐line coupler	7
Asymptotic regularisation of the solution to the problem of electromagnetic field scattering from a set of small impedance particles	6
High‐gain tapered monopulse antenna based on octuple excitation method in diffusion bonding technology at W‐band	6
Integral equation analysis of multiport H‐plane microwave circuits by using 2D rectangular cavity Green's functions accelerated by the Ewald Method	6
Study on a new three‐dimensional troposcatter parabolic equation method	6
Theoretical and numerical studies on multi‐physical issues of space parabolic membrane antennas	6
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Design of a dual‐CP gap waveguide fed aperture array antenna	6
Novel antenna array configuration using miniature double box branch‐line couplers for wideband circularly polarised applications	6
Evaluation of the E‐polarization focusing ability in Thz range for microsize cylindrical parabolic reflector made of thin dielectric layer sandwiched between graphene	6
Integral transforms and the regularisation method in the time‐domain excitation of open PEC slotted cone scatterers	6
An electromagnetic scattering reanalysis method for partial geometry modifications	6
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Synthesis design of dual‐path coupled line circular ring resonator filter with tunable characteristic impedances and transmission zeros	6
Beam‐steering capability for OAM‐based reflectarray at 5G‐mmWave frequencies	5
Evaluation of admittance domain behavioural model complexity requirements for Power Amplifier design	5
All‐dielectric circularly polarised loop antenna made of high‐permittivity ceramic/water	5
Bandwidth‐extended single‐input switchable Doherty power amplifier based on dual compensating reactance with adjusted drain voltage	5
A six‐port network based on substrate integrated waveguide coupler with metal strips	5
Embedded circuit analysis and design method for reconfigurable metasurface element	5
Wideband filtering waveguide antenna based on the stepped impedance resonator	5
A single‐beam full‐space scanning leaky‐wave antenna with high‐efficiency based on spoof surface plasmon polaritons	5
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Embedding antennas with tilted beam patterns into parabolic wave equation‐based models for tunnel propagation	5
Compact Planar Zero‐Ground‐Clearance End‐Fire CP Antenna With Integrated Slow‐Wave Structure for Mobile Terminal Applications	5
Wideband single‐layer patch antenna with stable high gain using characteristic mode analysis	5
An efficient and highly accurate singularity extraction method for the evaluation of transient potentials of stratified media	5
Doppler effects in UAV‐to‐vehicle multipath channels under 6D mobility	5
A novel broadband polarisation conversion reflective metasurface	5
Filter Design Using Ultra‐Miniaturised Substrate‐Integrated Coaxial Cavity	5
Comparative analysis of finite‐difference and split‐step based parabolic equation methods for tunnel propagation modelling	5
Efficient propagation modelling for open‐confined mixed space using a hybrid ray‐tracing/waveguide theory method	4
A circularly polarised multiple input multiple output antenna with single‐sense for sub‐6 GHz 5G applications	4
Miniaturised element frequency selective surface design for high power microwave applications	4
Miniaturised ultra‐wideband circular polarised koch fractal crossed dipole array	4
Sparse virtual array synthesis for MIMO radar imaging systems	4
Combined scheme for mitigating coupling interference in dual‐band shared‐aperture base station antenna	4
Self‐learning tuning of coaxial cavity filter by using the poles and residues of admittance function	4
Near‐field sensor based on substrate integrated waveguide microstrip cavity resonator with a circular aperture	4
The bow‐tie antenna: Performance limitations and improvements	4
Coherence optimised subarray partition for hybrid MIMO phased array radar	4
Dual‐band design and decoupling between two planar inverted‐F antennas using linear parasitic elements and bridge line	4

Broadband pattern‐reconfigurable water loop antenna, pattern‐reconfigurable water loop antenna	4
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A high gain circularly polarised magnetoelectric dipole antenna array with metallic radiating structures for millimetre‐wave applications	4
Size reduction of a conical horn antenna loaded by multi‐layer metamaterial lens	4
Balanced‐to‐unbalanced and balanced‐to‐balanced filtering rat‐race couplers using multilayer substate integrated waveguide cavities	4
Impact of anomalous surface boundary conditions on the planar negative‐refractive index lens	4
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Stable phase‐centre horn antenna using 3D printed dielectric rod for aperture efficiency improvement of space‐fed antennas	4
The Cauchy method of analytical regularisation in the modelling of plane wave scattering by a flat pre‐fractal system of impedance strips	4
Miniaturised wideband bandpass filter with good selectivity based on 3D heterogeneous integrated passive device technology	4
Multiport analysis and design of segmented antennas	4
An efficient adaptive h‐refinement for the RWG‐based electric field integral equation applied to antennas with waveport	4
Balanced multiple‐layer dual‐mode substrate integrated waveguide filters with controllable finite‐transmission zeros	4
Time domain response of corrugated transmission lines	4
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Electromagnetic characterisation of conductive 3D‐Printable filaments for designing fully 3D‐Printed antennas	4
A miniaturised frequency selective rasorber with wide transmission band	4
Analysis and design of a sharp‐rejection wideband bandstop filter with multi‐transmission zeros and reflection zeros	4
Improved hybrid discretisation of volume integral equation with the characteristic basis function method for analysing scattering from complex dielectric objects	3
Dual‐band filtering power divider with independent in‐band power split ratio using a single quad‐mode dielectric resonator	3
A photopaper‐based low‐cost, wideband wearable antenna for wireless body area network applications	3
Compact triple‐broadband implantable antenna for multi‐functions in telemedicine	3
Research on methods to enhance the survivability of AWACS with FDA against anti‐ARMs on a battlefield	3
Design and fabrication of waveguide‐based graded refractive index Rotman lens with an improved insertion loss at K_a‐band	3
General numerical solution of integral equation for long‐range low‐frequency groundwave propagation over irregular terrain	3
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	3
Combined‐harmonics wireless power transfer system	3
Three‐dimensional single‐shell dielectric lens design using complex coordinates and local axis‐displaced confocal quadrics	3
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A compact single‐layer reflective metasurface for high‐efficiency polarisation conversion applications in C and X bands	3
Dual‐band bandpass filter with high selectivity based on 3D printable groove gap waveguide	3
A novel broadband circularly polarised waveguide slot array antenna with a wide axial ratio bandwidth	3
A compact triple‐band dipole array antenna for selected sub 1 GHz, 5G and WiFi access point applications	3
Multi‐model fusion approach for electromagnetic inverse scattering problems	3
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Efficient indoor propagation channel prediction based on deep learning approach	3
Compact front module with integrated miniaturised antenna in package for parabolic reflector antenna in satellite ground terminals	3
Physics‐based wave propagation model assisted vehicle localisation in tunnels	3
Efficient electromagnetic analysis of multi‐layer and multi‐scale periodic/quasi‐periodic structures	3
Rain attenuation prediction model for terrestrial links incorporating wet antenna effects	3
Experimental validation of a phaseless, non‐redundant planar spiral scanning for antenna characterisation	3
A miniature microstrip quad‐band filtering power divider based on quad‐mode resonators	3
Ultra‐wideband antenna system for in‐band full‐duplex applications	3
Multiband waveguide filters with advanced filtering characteristics based on an in‐band transmission zeros method and stacked cylindrical resonators	3
Analysis and modelling of rampart line antennas	3
Design of super wide band 3‐way power divider/combiner	3
Optimal synthesis of reconfigurable planar arrays for monopulse radar applications: Use of subarrays and distributions with common aperture tail	3
Physics‐informed surrogates for electromagnetic dynamics using Transformers and graph neural networks	3
A single‐layer circularly polarized planar lens antenna at millimetre‐wave	3
Stability and steady state analysis of mode lock state of medium coupled microwave oscillators	3
Wideband single‐fed circularly polarised patch antenna	3
On the input impedance of probe‐fed electromagnetic bandgap antennas based on lattice modes	3
Frequency‐diverse aperture imaging using an open cavity with a rough base	3