Miniaturized UWB Microstrip filtering Patch Antenna Integrated with Uniform Impedance Resonator filter for In- Body Biomedical Devices

Miniaturized UWB Microstrip filtering Patch Antenna Integrated with Uniform Impedance Resonator filter for In- Body Biomedical Devices | 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 Miniaturized UWB Microstrip filtering Patch Antenna Integrated with Uniform Impedance Resonator filter for In- Body Biomedical Devices Ramesh Boddu, Phaninder Vinay Kokkiligadda This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4340547/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract The utilization of in-body biomedical devices (IBBDs) is gaining considerable interest in the pursuit of remedies for complicated medical conditions. Biomedical devices, which are capable of being ingested, injected, or implanted within the human body, have enabled the wireless monitoring of physiological signs of patients. This eliminates the need for frequent hospital visits and routine examinations. In such cases, the antenna serves as an essential component for transmitting bio-data from the IBBDs to the external environment. Many aspects need to be taken into account while designing an in-body antenna, including as miniaturisation, connection budget, safety for patients, biological compatibility, minimal power consumption, and efficient functioning within approved medical frequency ranges. By keeping all these factors in view, an Ultra-Wide Band (UWB) microstrip antenna is designed and then integrated with Uniform Impedance Resonator (UIR) filter for In-Body Biomedical Devices (IBBDs) is presented in this letter. Initially, a conventional rectangular patch is implemented on the low cost FR4 substrate with ε r = 4.4 having the thickness of 1.6mm backed with defected ground structure. The overall dimensions of the proposed antenna is 30X30X1.6 mm 3 fed with simple microstrip line feed. The proposed design is used to operate for the entire UWB frequency range. The filtering microstrip antenna is designed by integrating the UWB antenna with 3 rd order Uniform Impedance Resonator (UIR) filter with the feed line. The proposed filtering antenna is used to operate at 5.5GHz-6.2GHz with the center frequency of 5.82GHz. The Industrial, Scientific, and Medical (ISM) bands of 13.56MHz, 2.40–2.48GHz, and 5.71–5.87GHz are approved globally for IBBD applications and were assigned to Europe by the Electronic Communication Committee (ECC). The proposed filtering antenna design is aimed to operate at 5.71-5.87GHHz band. The proposed design is simulated using commercially available EM tool using CSTMWS. To validate the simulated results all three UWB antenna, UIR filter and Filtering antenna are fabricated and measured. For the recommended designs, there is a strong correlation between the measured and simulated results. Index Terms: In-Body Biomedical Devices (IBBDs), Ultra Wide Band (UWB), Uniform Impedance Resonator (UIR), Electronic Communication Committee (ECC), ISM Band. In-Body Biomedical Devices (IBBDs) Ultra Wide Band (UWB) Uniform Impedance Resonator (UIR) Electronic Communication Committee (ECC) ISM Band Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted 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-4340547","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":298782777,"identity":"d9b0210d-4673-47c8-942b-a13f0c117c44","order_by":0,"name":"Ramesh Boddu","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA5UlEQVRIiWNgGAWjYLACxoYDDAwHEoCoAshjZm4gWgvjgQdnQFoYidfCfPBhG4SLV7V5++nEhz933JHjO55jcCBxXm00fztQy4+KbTi1yJzJ3WzMe+aZseSZN0At247nzjjM2MDYc+Y2Ti0SDLnbpBnbDiduuAGyZdux3AagFmbGNjxa+N9u//kTrmXOsdz5BLVI5G5j4IVraajJ3UBYy9vN0rxtIL88KziQcOxA7kagloN4/cKfu/HjzzZQiCVv/vijpi533vnDBx/8qMCtBR0cBpMHiFYPBHWkKB4Fo2AUjIIRAgAv/mzklB/CtQAAAABJRU5ErkJggg==","orcid":"","institution":"Raghu Engineering College","correspondingAuthor":true,"prefix":"","firstName":"Ramesh","middleName":"","lastName":"Boddu","suffix":""},{"id":298782778,"identity":"73a07604-cb43-48ff-846a-cbaae7f88a95","order_by":1,"name":"Phaninder Vinay Kokkiligadda","email":"","orcid":"","institution":"Raghu Engineering College","correspondingAuthor":false,"prefix":"","firstName":"Phaninder","middleName":"Vinay","lastName":"Kokkiligadda","suffix":""}],"badges":[],"createdAt":"2024-04-29 06:08:43","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-4340547/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-4340547/v1","draftVersion":[],"editorialEvents":[],"editorialNote":"","failedWorkflow":false,"files":[{"id":74143220,"identity":"cb922d9f-8008-49c2-870e-c9bea46f16ed","added_by":"auto","created_at":"2025-01-18 14:23:49","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":1437200,"visible":true,"origin":"","legend":"","description":"","filename":"MiniaturizedUWBMicrostripfilteringPatchAntennaIntegratedwithUniformImpedanceResonatorfilterforInBodyBiomedicalDevices.pdf","url":"https://assets-eu.researchsquare.com/files/rs-4340547/v1_covered_c4fc19f4-205e-409e-86a6-31e9fb0a4070.pdf"}],"financialInterests":"No competing interests reported.","formattedTitle":"Miniaturized UWB Microstrip filtering Patch Antenna Integrated with Uniform Impedance Resonator filter for In- Body Biomedical Devices","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":true,"highlight":"","institution":"","isAcceptedByJournal":false,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"researchsquare","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":true,"externalIdentity":"","sideBox":"","snPcode":"","submissionUrl":"/submission","title":"Research Square","twitterHandle":"researchsquare","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"","reportingPortfolio":"","inReviewEnabled":false,"inReviewRevisionsEnabled":true},"keywords":"In-Body Biomedical Devices (IBBDs), Ultra Wide Band (UWB), Uniform Impedance Resonator (UIR), Electronic Communication Committee (ECC), ISM Band","lastPublishedDoi":"10.21203/rs.3.rs-4340547/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-4340547/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eThe utilization of in-body biomedical devices (IBBDs) is gaining considerable interest in the pursuit of remedies for complicated medical conditions. Biomedical devices, which are capable of being ingested, injected, or implanted within the human body, have enabled the wireless monitoring of physiological signs of patients. This eliminates the need for frequent hospital visits and routine examinations. In such cases, the antenna serves as an essential component for transmitting bio-data from the IBBDs to the external environment. Many aspects need to be taken into account while designing an in-body antenna, including as miniaturisation, connection budget, safety for patients, biological compatibility, minimal power consumption, and efficient functioning within approved medical frequency ranges. By keeping all these factors in view, an Ultra-Wide Band (UWB) microstrip antenna is designed and then integrated with Uniform Impedance Resonator (UIR) filter for In-Body Biomedical Devices (IBBDs) is presented in this letter. Initially, a conventional rectangular patch is implemented on the low cost FR4 substrate with ε\u003csub\u003er\u003c/sub\u003e = 4.4 having the thickness of 1.6mm backed with defected ground structure. The overall dimensions of the proposed antenna is 30X30X1.6\u003cem\u003emm\u003c/em\u003e\u003csup\u003e3\u003c/sup\u003e fed with simple microstrip line feed. The proposed design is used to operate for the entire UWB frequency range. The filtering microstrip antenna is designed by integrating the UWB antenna with 3 rd order Uniform Impedance Resonator (UIR) filter with the feed line. The proposed filtering antenna is used to operate at 5.5GHz-6.2GHz with the center frequency of 5.82GHz. The Industrial, Scientific, and Medical (ISM) bands of 13.56MHz, 2.40–2.48GHz, and 5.71–5.87GHz are approved globally for IBBD applications and were assigned to Europe by the Electronic Communication Committee (ECC). The proposed filtering antenna design is aimed to operate at 5.71-5.87GHHz band. The proposed design is simulated using commercially available EM tool using CSTMWS. To validate the simulated results all three UWB antenna, UIR filter and Filtering antenna are fabricated and measured. For the recommended designs, there is a strong correlation between the measured and simulated results. 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