{"title":"宽波束双圆极化整流天线","authors":"Ningxin Mao, Deqiang Yang, Yue Tang","doi":"10.1109/ISAPE.2018.8634276","DOIUrl":null,"url":null,"abstract":"In this paper, a novel dual-circularly polarized rectenna, with a wide 3-dB axial-ratio beam-width, operating in the WIFI band(the central frequency is 2.4GHz) is proposed for harvesting the ambient radio frequency (RF) energy. Here, the rectenna with two $50-\\mathbf{\\Omega}$ microstrip-fed ports are designed to realize both right-hand and left-hand circular polarization. Good isolation is achieved by reasonably adjusting the radius of the annular slots and the length of the feed microstrip. A prototype is manufactured and tested. Measured results are in reasonably good agreement with the simulated ones, exhibiting a 3-dB AR beam-width as wide as 120° for both LHCP and RHCP. The measured polarization isolation is better than 20dB at 2.4GHz and reflection coefficient is better than 15 dB within the working band. In addition, the 3-dB ARBW is approximately 6.25% (2.32-2.48 GHz).","PeriodicalId":297368,"journal":{"name":"2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"A Dual Circularly Polarized Rectenna with Wide-Beam\",\"authors\":\"Ningxin Mao, Deqiang Yang, Yue Tang\",\"doi\":\"10.1109/ISAPE.2018.8634276\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, a novel dual-circularly polarized rectenna, with a wide 3-dB axial-ratio beam-width, operating in the WIFI band(the central frequency is 2.4GHz) is proposed for harvesting the ambient radio frequency (RF) energy. Here, the rectenna with two $50-\\\\mathbf{\\\\Omega}$ microstrip-fed ports are designed to realize both right-hand and left-hand circular polarization. Good isolation is achieved by reasonably adjusting the radius of the annular slots and the length of the feed microstrip. A prototype is manufactured and tested. Measured results are in reasonably good agreement with the simulated ones, exhibiting a 3-dB AR beam-width as wide as 120° for both LHCP and RHCP. The measured polarization isolation is better than 20dB at 2.4GHz and reflection coefficient is better than 15 dB within the working band. In addition, the 3-dB ARBW is approximately 6.25% (2.32-2.48 GHz).\",\"PeriodicalId\":297368,\"journal\":{\"name\":\"2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE)\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISAPE.2018.8634276\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISAPE.2018.8634276","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Dual Circularly Polarized Rectenna with Wide-Beam
In this paper, a novel dual-circularly polarized rectenna, with a wide 3-dB axial-ratio beam-width, operating in the WIFI band(the central frequency is 2.4GHz) is proposed for harvesting the ambient radio frequency (RF) energy. Here, the rectenna with two $50-\mathbf{\Omega}$ microstrip-fed ports are designed to realize both right-hand and left-hand circular polarization. Good isolation is achieved by reasonably adjusting the radius of the annular slots and the length of the feed microstrip. A prototype is manufactured and tested. Measured results are in reasonably good agreement with the simulated ones, exhibiting a 3-dB AR beam-width as wide as 120° for both LHCP and RHCP. The measured polarization isolation is better than 20dB at 2.4GHz and reflection coefficient is better than 15 dB within the working band. In addition, the 3-dB ARBW is approximately 6.25% (2.32-2.48 GHz).