{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,3,22]],"date-time":"2025-03-22T11:42:20Z","timestamp":1742643740730},"reference-count":34,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2021,10,26]],"date-time":"2021-10-26T00:00:00Z","timestamp":1635206400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J Communication"],"published-print":{"date-parts":[[2022,2]]},"abstract":"Summary<\/jats:title>A discussion of using an ultrawide band (UWB) Hilbert\u2010shaped metamaterial (MTM) antenna structure for RF energy harvesting is exemplified in this article to conduct the use of organic substrates. Therefore, the proposed design is structured as a low profile rectangular MTM array in the context of wearable systems. The antenna is mounted on a prepared indium\u2010nickel oxide\u2010based polymerized Palm fiber (INP) substrate and backed with a ground plane of square electromagnetic band gap (EBG) defects. Fifteen samples of INP substrate are prepared for this study. Thus, the prepared INP substrates characterizations are tested using a T\u2010resonator transmission line technique printed on an FR4 substrate. In this technique, the measured scattering parameters are interpreted from two resonators with two different characteristics impedance to be employed for retrieving the relative permittivity (\u03b5<\/jats:italic>r<\/jats:sub>) and permeability (\u03bc<\/jats:italic>r<\/jats:sub>). This process is included to ensure the prepared substrate properties controllability for microwave devices manufacturing. After that, the proposed antenna is manufactured from silver nanoparticle (SNP) printout. The performance of the proposed antenna is tested numerically and experimentally. It is found that the proposed antenna shows an UWB response to start from 3 and up to 10\u2009GHz that suits different applications including IoT, 5G, and WiMAX system networks. The measured gain spectrum shows four peaks at 3.5, 4.2, 5.4, and 6\u2009GHz with gain values of 1.1, 2, 3.4, and 3.9\u2009dBi, respectively. Finally, the conversion efficiency of RF harvesting is measured experimentally for the antenna in case of flat profile and bended structure at the frequency bands of interest to reveal insignificant changes.<\/jats:p>","DOI":"10.1002\/dac.5024","type":"journal-article","created":{"date-parts":[[2021,10,27]],"date-time":"2021-10-27T05:46:16Z","timestamp":1635313576000},"update-policy":"http:\/\/dx.doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Miniaturized flexible metamaterial antenna of circularly polarized high gain\u2010bandwidth product for radio frequency energy harvesting"],"prefix":"10.1002","volume":"35","author":[{"given":"Malak Naem Nashoor","family":"Alaukally","sequence":"first","affiliation":[{"name":"Electrical and Computer Engineering Department Altmbas University Istanbul Turkey"}]},{"ORCID":"http:\/\/orcid.org\/0000-0002-8389-5457","authenticated-orcid":false,"given":"Taha A.","family":"Elwi","sequence":"additional","affiliation":[{"name":"Communication Engineering Department Al\u2010Ma'moon University College Baghdad Iraq"}]},{"given":"Dogu Cagdas","family":"Atilla","sequence":"additional","affiliation":[{"name":"Electrical and Computer Engineering Department Altmbas University Istanbul Turkey"}]}],"member":"311","published-online":{"date-parts":[[2021,10,26]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1155\/2018\/1692018"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2018.2834392"},{"key":"e_1_2_8_4_1","volume-title":"Wireless Information and Power Transfer: A New Paradigm for Green Communications","author":"Nalin 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