{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,24]],"date-time":"2026-02-24T23:51:41Z","timestamp":1771977101952,"version":"3.50.1"},"reference-count":26,"publisher":"World Scientific Pub Co Pte Ltd","issue":"03","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J CIRCUIT SYST COMP"],"published-print":{"date-parts":[[2024,2]]},"abstract":"<jats:p> This paper describes a four-port MIMO antenna array design featuring bow-tie-shaped slot-loaded patches with wideband capabilities that cover the frequency range from 24.2[Formula: see text]GHz to 30.8[Formula: see text]GHz. The proposed antenna design is printed on an FR4 substrate and occupies an area of 25[Formula: see text]\u00d7[Formula: see text]24[Formula: see text]mm<jats:sup>2<\/jats:sup>. The MIMO antenna consists of four antenna arrays that are symmetrically placed in an upper-lower configuration. The bow-tie-shaped slots loaded radiators are separated horizontally by 3.48[Formula: see text]mm and vertically by 5.94[Formula: see text]mm. Each antenna array contains two elements that are separated by a distance of wavelength\/4. The suggested MIMO antenna array delivers a high gain of 19.09[Formula: see text]dB at 27.8[Formula: see text]GHz and has a bandwidth of 6.6[Formula: see text]GHz that covers the frequency band of 24.2\u201330.8[Formula: see text]GHz. The research demonstrates the quality of the proposed MIMO antenna through various diversity parameters such as mutual coupling, port correlation, diversity gain, and data rate that can be transmitted over a communication medium. The simulation results are validated and found to be consistent with the experimental results. The presented antenna covers the entire bandwidth allocated to different regions, including Europe (24.25\u201327.5[Formula: see text]GHz), Sweden (26.5\u201327.5[Formula: see text]GHz), USA (27.5\u201328.35[Formula: see text]GHz), China (24.25\u201327.5[Formula: see text]GHz), Japan (27.5\u201328.28[Formula: see text]GHz), and Korea (26.5\u201329.5[Formula: see text]GHz). The proposed MIMO antenna design could be an excellent option for 26\/28[Formula: see text]GHz 5G NR n257, n258, and n260 bands under mm-wave wireless communication systems. <\/jats:p>","DOI":"10.1142\/s0218126624500555","type":"journal-article","created":{"date-parts":[[2023,7,20]],"date-time":"2023-07-20T03:46:06Z","timestamp":1689824766000},"source":"Crossref","is-referenced-by-count":6,"title":["A Quad-Port Design of a Bow-Tie Shaped Slot Loaded Wideband (24.2\u201330.8GHz) MIMO Antenna Array for 26\/28GHz mm-Wave 5G NR n257\/n258\/n260 Band Applications"],"prefix":"10.1142","volume":"33","author":[{"given":"Yousra","family":"Ghazaoui","sequence":"first","affiliation":[{"name":"High School of Technology, Moulay Ismail University, Meknes 50050, Morocco"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3416-2246","authenticated-orcid":false,"given":"Mohammed","family":"EL Ghzaoui","sequence":"additional","affiliation":[{"name":"Faculty of 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