A Compact Coupled-Fed Loop Antenna for Mobile LTE Smartphones
A coupled-fed loop antenna with Octa-bands operation for long-term evolution (LTE) smartphones is proposed in this paper. The antenna occupies a nonground space of only 6.5 mm × 72 mm, and two wide-band operations can be achieved by exploiting the multimode characteristics of loop antenna and using...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2018-01-01
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| Series: | International Journal of Antennas and Propagation |
| Online Access: | http://dx.doi.org/10.1155/2018/8426574 |
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| _version_ | 1850216408750751744 |
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| author | Ping Wang Yu Shao Dong Huang Muhammad Abdul Basit |
| author_facet | Ping Wang Yu Shao Dong Huang Muhammad Abdul Basit |
| author_sort | Ping Wang |
| collection | DOAJ |
| description | A coupled-fed loop antenna with Octa-bands operation for long-term evolution (LTE) smartphones is proposed in this paper. The antenna occupies a nonground space of only 6.5 mm × 72 mm, and two wide-band operations can be achieved by exploiting the multimode characteristics of loop antenna and using high-pass matching circuits. In low band, the LTE700/GSM850/900 operation is achieved by the loop mode of 0.5 λ and matching chip capacitor which generates a dual-resonance mode at 0.74 GHz and 0.9 GHz. In high band, the 1 λ mode, the 1.5 λ mode, and the 2 λ mode of the entire loop are combined with the 0.5 λ mode of the left-side coupling loop to cover the DCS1800/PCS1900/UMTS 2100/LTE 2300/2500 operation bands. The measured average realized gains and efficiencies are approximately 1.56 dBi/2.38 dBi and 55.3%/63.6% in the two bands, and a good radiation pattern is achieved as well. |
| format | Article |
| id | doaj-art-3c5d5a9495cc45ca91ffd88053d4fe21 |
| institution | OA Journals |
| issn | 1687-5869 1687-5877 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Antennas and Propagation |
| spelling | doaj-art-3c5d5a9495cc45ca91ffd88053d4fe212025-08-20T02:08:19ZengWileyInternational Journal of Antennas and Propagation1687-58691687-58772018-01-01201810.1155/2018/84265748426574A Compact Coupled-Fed Loop Antenna for Mobile LTE SmartphonesPing Wang0Yu Shao1Dong Huang2Muhammad Abdul Basit3School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, No. 2, Chongwen Road, Nan’an District, Chongqing 400065, ChinaSchool of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, No. 2, Chongwen Road, Nan’an District, Chongqing 400065, ChinaChongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beijing 400714, ChinaElectronics Department, University of Engineering & Technology Taxila Sub-Campus, Chakwal, PakistanA coupled-fed loop antenna with Octa-bands operation for long-term evolution (LTE) smartphones is proposed in this paper. The antenna occupies a nonground space of only 6.5 mm × 72 mm, and two wide-band operations can be achieved by exploiting the multimode characteristics of loop antenna and using high-pass matching circuits. In low band, the LTE700/GSM850/900 operation is achieved by the loop mode of 0.5 λ and matching chip capacitor which generates a dual-resonance mode at 0.74 GHz and 0.9 GHz. In high band, the 1 λ mode, the 1.5 λ mode, and the 2 λ mode of the entire loop are combined with the 0.5 λ mode of the left-side coupling loop to cover the DCS1800/PCS1900/UMTS 2100/LTE 2300/2500 operation bands. The measured average realized gains and efficiencies are approximately 1.56 dBi/2.38 dBi and 55.3%/63.6% in the two bands, and a good radiation pattern is achieved as well.http://dx.doi.org/10.1155/2018/8426574 |
| spellingShingle | Ping Wang Yu Shao Dong Huang Muhammad Abdul Basit A Compact Coupled-Fed Loop Antenna for Mobile LTE Smartphones International Journal of Antennas and Propagation |
| title | A Compact Coupled-Fed Loop Antenna for Mobile LTE Smartphones |
| title_full | A Compact Coupled-Fed Loop Antenna for Mobile LTE Smartphones |
| title_fullStr | A Compact Coupled-Fed Loop Antenna for Mobile LTE Smartphones |
| title_full_unstemmed | A Compact Coupled-Fed Loop Antenna for Mobile LTE Smartphones |
| title_short | A Compact Coupled-Fed Loop Antenna for Mobile LTE Smartphones |
| title_sort | compact coupled fed loop antenna for mobile lte smartphones |
| url | http://dx.doi.org/10.1155/2018/8426574 |
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