{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,27]],"date-time":"2026-04-27T11:21:38Z","timestamp":1777288898266,"version":"3.51.4"},"reference-count":28,"publisher":"MDPI AG","issue":"15","license":[{"start":{"date-parts":[[2022,7,25]],"date-time":"2022-07-25T00:00:00Z","timestamp":1658707200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Faculty of Electrical and Computer Engineering, Cracow University of Technology","award":["grant No. E-1\/2022"],"award-info":[{"award-number":["grant No. E-1\/2022"]}]},{"name":"Ministry of Science and Higher Education, Republic of Poland","award":["grant No. E-1\/2022"],"award-info":[{"award-number":["grant No. E-1\/2022"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>In this article, a rectangular dielectric resonator antenna (RDRA) with circularly polarized (CP) response is presented for 5G NR (New Radio) Sub-6 GHz band applications. A uniquely shaped conformal metal feeding strip is proposed to excite the RDRA in higher-order mode for high gain utilization. By using the proposed feeding mechanism, the degenerate mode pair of the first higher-order, i.e., TE\u03b413x at 4.13 GHz and TE1\u03b43y,\u00a0 at 4.52 GHz is excited to achieve a circularly polarized response. A circular polarization over a bandwidth of ~10%, in conjunction with a wide impedance matching over a bandwidth of ~17%, were attained by the antenna. The CP antenna proposed offers a useful gain of ~6.2 dBic. The achieved CP bandwidth of the RDRA is good enough to cover the targeted 5G NR bands around 4.4\u20134.8 GHz, such as n79. The proposed antenna configuration is modelled and optimized using computer simulation technology (CST). A prototype was built to confirm (validate) the performance estimated through simulation. A good agreement was observed between simulated and measured results.<\/jats:p>","DOI":"10.3390\/s22155531","type":"journal-article","created":{"date-parts":[[2022,7,26]],"date-time":"2022-07-26T00:17:27Z","timestamp":1658794647000},"page":"5531","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["A Novel Design and Development of a Strip-Fed Circularly Polarized Rectangular Dielectric Resonator Antenna for 5G NR Sub-6 GHz Band Applications"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9394-5219","authenticated-orcid":false,"given":"Usman","family":"Illahi","sequence":"first","affiliation":[{"name":"Electrical Engineering Department, FET, Gomal University, Dera Ismail Khan 29050, KP, Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6005-878X","authenticated-orcid":false,"given":"Javed","family":"Iqbal","sequence":"additional","affiliation":[{"name":"Electrical Engineering Department, FET, Gomal University, Dera Ismail Khan 29050, KP, Pakistan"},{"name":"School of Electrical and Electronic Engineering, Engineering Campus, Universiti Sains Malaysia, Nibong Tebal 14300, Penang, Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4161-6875","authenticated-orcid":false,"given":"Muhammad","family":"Irfan","sequence":"additional","affiliation":[{"name":"Electrical Engineering Department, College of Engineering, Najran University, Najran 61441, Saudi Arabia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mohamad","family":"Ismail Sulaiman","sequence":"additional","affiliation":[{"name":"Advanced Telecommunication Technology, Communication Technology Section, British Malaysian Institute, Universiti Kuala Lumpur, Gombak 53100, Selangor, Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Muhammad Abbas","family":"Khan","sequence":"additional","affiliation":[{"name":"Department of Electrical Engineering, Balochistan University of Information Technology, Engineering and Management Sciences, Quetta 87300, Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0392-8704","authenticated-orcid":false,"given":"Abdul","family":"Rauf","sequence":"additional","affiliation":[{"name":"Department of Electrical Engineering, National University of Sciences and Technology, H-12, Islamabad 44000, Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8503-037X","authenticated-orcid":false,"given":"Inam","family":"Bari","sequence":"additional","affiliation":[{"name":"Systems Engineering Department, Military Technological College, Muscat 111, Oman"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mujeeb","family":"Abdullah","sequence":"additional","affiliation":[{"name":"School of Aeronautical and Electrical Engineering, College of Aeronautical Engineering, National University of Science and Information Technology, Risalpur 24080, Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0405-0083","authenticated-orcid":false,"given":"Fazal","family":"Muhammad","sequence":"additional","affiliation":[{"name":"Electrical Engineering Department, University of Engineering and Technology, Mardan 23200, Pakistan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3086-0947","authenticated-orcid":false,"given":"Grzegorz","family":"Nowakowski","sequence":"additional","affiliation":[{"name":"Faculty of Electrical and Computer Engineering, Cracow University of Technology, Warszawska 24 Str., 31-155 Krak\u00f3w, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0546-7083","authenticated-orcid":false,"given":"Adam","family":"Glowacz","sequence":"additional","affiliation":[{"name":"Department of Automatic Control and Robotics, Faculty of Electrical Engineering, Automatics, Computer 22 Science and Biomedical Engineering, AGH University of Science and Technology, A. Mickiewicza 30, 23-059 Krak\u00f3w, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,7,25]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Rafique, U., Khan, S., Ahmed, M.M., Kiani, S.H., Abbas, S.M., Saeed, S.I., Alibakhshikenari, M., and Dalarsson, M. (2022). Uni-Planar MIMO Antenna for Sub-6 GHz 5G Mobile Phone Applications. Appl. 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