Results 51 to 60 of about 964 (180)

A Flexible Design Cross‐Coupled SIW Bandpass Filter With Different Path Loads Using Mixed‐Coupling Topology

open access: yesInternational Journal of RF and Microwave Computer-Aided Engineering, Volume 2026, Issue 1, 2026.
This paper presents an innovative coupling design for a bandpass substrate integrated waveguide (SIW) filter, enabling high selectivity and facilitating flexible design. The proposed filter design has two parts: one is a mixed coupling structure, and the second part is a cross‐coupling path.
Govind Kumar Mishra   +3 more
wiley   +1 more source

Design and Implementation of a New 4 × 4 BFN Using Multi‐Aperture and Multislot Coupler for 5G Application

open access: yesInternational Journal of RF and Microwave Computer-Aided Engineering, Volume 2026, Issue 1, 2026.
This paper proposes a 4 × 4 beamforming network (BFN) using a novel configuration. The proposed architecture utilizes a two‐layer multi‐aperture and multislot coupler (MA/MSC). Power coupling between ports within each layer is achieved through designed apertures.
H. Hassanshahi   +4 more
wiley   +1 more source

A Compact Integrated Microwave and Millimeter Wave Antenna for 5G Applications

open access: yesInternational Journal of RF and Microwave Computer-Aided Engineering, Volume 2026, Issue 1, 2026.
This letter presents the design of a compact integrated antenna operating across both FR1 and FR2 frequency ranges for 5G applications. The proposed structure, with overall dimensions of 0.58λG × 0.66λG × 0.01λG, employs a common aperture shared by a slot antenna and a patch antenna.
Syeda Shafaq Karim   +2 more
wiley   +1 more source

Optimization Methodology of Multiple Air Hole Effects in Substrate Integrated Waveguide Applications [PDF]

open access: yesJournal of the Korean Institute of Electromagnetic Engineering and Science, 2018
A wide spectrum of potential applications using substrate integrated waveguide (SIW) technologies in conjunction with air hole regions is introduced, and an efficient optimization methodology to cope with the multiple air hole effect in SIW applications ...
Jin-Yang Kim   +3 more
doaj   +1 more source

Efficient Frequency Sweep in RF Devices Simulation: A Combined Approach of Asymptotic Waveform Evaluation and Multigrid Solver

open access: yesEngineering Reports, Volume 7, Issue 11, November 2025.
A combined AWE‐Multigrid approach accelerates RF frequency sweeping by reducing computation time and resources through asymptotic expansions and multilevel grid resolution, validated by numerical experiments demonstrating superior performance over traditional methods.
Lingzhi Ren, Tao Li, Haili Zhang
wiley   +1 more source

W-Band Hybrid Unequal Feeding Network of Waveguide and Substrate Integrated Waveguide for High Efficiency and Low Sidelobe Level Slot Array Antenna Application

open access: yesInternational Journal of Antennas and Propagation, 2017
A W-band hybrid unequal feeding network of waveguide and substrate integrated waveguide (SIW) is presented in this paper. It comprises a two-way hybrid waveguide-SIW E-plane divider and an unequal SIW dividing network. Firstly, the two-way hybrid divider
Jun Wang, Yu Jian Cheng
doaj   +1 more source

Fabrication of Microwave Devices Based on Magnetic Nanowires Using a Laser-Assisted Process

open access: yesMicromachines, 2019
This paper compares two laser-assisted processes developed by the authors for the fabrication of microwave devices based on nanowire arrays loaded inside porous alumina templates.
Vivien Van Kerckhoven   +2 more
doaj   +1 more source

High‐Performance Multiport Antenna With Frequency Selective Surface for 5G Ka‐Band Applications

open access: yesRadio Science, Volume 60, Issue 11, November 2025.
Abstract This paper presents a novel multiport antenna tailored for 5G millimeter‐wave (mm‐Wave) applications. The proposed design features orthogonally arranged radiating elements to ensure compactness with an overall footprint of just 20 × 26 mm2.
Mohammad Alibakhshikenari   +10 more
wiley   +1 more source

AGORA: Adaptive Generation of Orthogonal Rational Approximations for Frequency‐Response Data

open access: yesInternational Journal of Circuit Theory and Applications, Volume 53, Issue 10, Page 5751-5759, October 2025.
This paper introduces the adaptive generation of orthogonal rational approximations (AGORA) method for rational function approximation of measured or simulated microwave network parameters. AGORA allows estimating the model order for a given error tolerance and does not require any initial estimates or adjustment of hyperparameters. ABSTRACT This paper
Andria Lemus, Arif Ege Engin
wiley   +1 more source

Optimized Multiband Circularly Polarized Patch Antenna With Coupled Sub‐Patches for Wireless Applications

open access: yesMicrowave and Optical Technology Letters, Volume 67, Issue 10, October 2025.
ABSTRACT In this paper, a high gain multiband patch antenna is designed and analyzed for use in wireless applications. Coupled sub‐patches are integrated around a central hexagonal patch to extend the operating frequency and improve gain across multiple frequency bands.
Mahdi Abdelkarim   +2 more
wiley   +1 more source

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