A narrow-frame antenna for WWAN/LTE/WiMAX/WLAN mobile phones |
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| Affiliation: | 1. Imam Khomeini International University, Ghazvin, Iran;2. University of Sistan and Baluchestan, Zahedan, Iran;1. Lebanese University, Faculty of Science I, LPE Research Center, Beirut, Lebanon;2. ENIB/CNRS UMR 6285 Lab-STICC, Brest, France;3. CRITC Research Center, Arts Sciences and Technology University in Lebanon (AUL), Lebanon;1. Department of Electrical and Electronics Engineering, Istanbul University, Istanbul, Turkey;2. Department of Electrical and Computer Engineering, North Carolina State University, NC, United States;3. Department of Electrical Engineering, Qatar University, Doha, Qatar;4. Electrical Engineering Department, The University of Texas at Dallas, USA;1. Electrical Engineering Department, Khaje Nasir Toosi University, Tehran, Iran;2. Electrical Engineering Department, Shahid Beheshti University, Tehran, Iran;3. School of New Technologies, Iran University of Science and Tech., Tehran, Iran;4. Electrical and Electronics Engineering Department, University of Qom, Qom, Iran;1. EHF Key Lab of Science, University of Electronic Science and Technology of China (UESTC), Chengdu 611731, China;2. Center of Communication and Tracking Telemetering Command, Chongqing University, Chongqing 400044, China;3. Sichuan Jiuzhou Electric Group co., Ltd., Mianyang, Sichuan 621000, China |
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| Abstract: | In this paper, we present a novel narrow-frame antenna with a size of 75 × 8 × 5.8 mm3 for 5.7 in. mobile phones. The antenna mainly consists of a monopole with four branches that are coupled to a two-branch grounded strip. Our antenna is able to cover more bands than other narrow-frame antennas by excitation of several resonant modes. The improved range of the antenna covers the following eleven bands: LTE700, GSM850, GSM900, DCS, PCS, UMTS, LTE2300, LTE2500, LTE3400 (3400–3800 MHz)/WiMAX3.5 GHz (3400–3650 MHz), WLAN5.2 GHz (5150–5350 MHz) and WLAN5.8 GHz (5725–5875 MHz). Another advantage of the proposed antenna is that it does not need any lumped element to match the antenna. The working principles of the proposed antenna are thoroughly studied. A prototype of the proposed antenna is fabricated and measured, with the results in good agreement with the simulation results. |
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| Keywords: | Mobile Antenna Multiband antenna Narrow-frame antenna WWAN LTE WiMAX WLAN antenna |
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