A High-Performance Compact Ultra-Wideband Antenna Covering 3.33–15.81 GHz and 35.58–45.38 GHz for Advanced Wireless Applications

A High-Performance Compact Ultra-Wideband Antenna Covering 3.33–15.81 GHz and 35.58–45.38 GHz for Advanced Wireless Applications | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article A High-Performance Compact Ultra-Wideband Antenna Covering 3.33–15.81 GHz and 35.58–45.38 GHz for Advanced Wireless Applications Md. Abdul Kayum, Nusrat Jahan Resma, Md. Selim Hossain This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-7793312/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted 19 You are reading this latest preprint version Abstract This paper presents the design, optimization, and performance assessment of a compact ultra-wideband (UWB) patch antenna realized on a Rogers RT5880(lossy) substrate with an overall dimension of 20 × 28 × 0.8 mm3. The proposed antenna operates efficiently over two wide frequency region, extending from 3.33–15.81 GHz and 35.58–45.38 GHz, while maintaining a VSWR ≤ 2 across both operating region. The antenna exhibits an excellent impedance response, achieving a minimum coefficient of 44.35 dB at 10.85 GHz and a secondary resonance peak of 40.76 dB at 6.96 GHz. Furthermore, the antenna attains an overall radiation efficiency exceeding 90%, with a maximum efficiency of 96.82% at 12.45 GHz. The realized gain varies from 2.52dBi at 4.45 GHz to a maximum of 8.39dBi at 38 GHz, while the directivity increases from 2dBi at 3.8 GHz to 8.52dBi at 38 GHz. These findings substantiate that the proposed antenna delivers high efficiency, stable radiation characteristics, and substantial gain, rendering it a promising candidate for wideband and millimeter-wave wireless communication systems. Patch Antenna Monopole Antenna Ultra-Wideband (UWB) Wireless Applications High Efficiency Millimeter-Wave Communication Compact Design Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Under Review Version 1 posted Editorial decision: Revision requested 19 Dec, 2025 Reviews received at journal 07 Dec, 2025 Reviews received at journal 28 Nov, 2025 Reviews received at journal 28 Nov, 2025 Reviewers agreed at journal 28 Nov, 2025 Reviews received at journal 27 Nov, 2025 Reviewers agreed at journal 26 Nov, 2025 Reviewers agreed at journal 26 Nov, 2025 Reviewers agreed at journal 26 Nov, 2025 Reviewers agreed at journal 26 Nov, 2025 Reviewers agreed at journal 26 Nov, 2025 Reviewers agreed at journal 26 Nov, 2025 Reviews received at journal 28 Oct, 2025 Reviewers agreed at journal 28 Oct, 2025 Reviewers invited by journal 27 Oct, 2025 Editor invited by journal 22 Oct, 2025 Editor assigned by journal 09 Oct, 2025 Submission checks completed at journal 09 Oct, 2025 First submitted to journal 06 Oct, 2025 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-7793312","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":525543348,"identity":"0fa53f68-b256-4f61-89c6-b084e43d37c7","order_by":0,"name":"Md. 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