A Wideband Antenna with Circular and Rectangular Shaped Slots for Mobile Phone Applications

被引：4
|
作者：
Zong, Wei-Hua [1 ]
Yang, Xiao-Mei [1 ]
Xiao, Xia [1 ]
Li, Shan-Dong [2 ,3 ]
Wei, Xiang-Yang [4 ]
Jin, Zhe-Jun [1 ]
Qu, Xiao-Yun [5 ]
机构：
[1] Qingdao Univ, Sch Elect & Informat, Qingdao 266071, Peoples R China
[2] Qingdao Univ, Coll Phys, Qingdao 266071, Shandong, Peoples R China
[3] Qingdao Univ, Key Lab Photon Mat & Technol Univ Shandong, Lab Fiber Mat & Modern Text, Growing Base State Key Lab, Qingdao 266071, Shandong, Peoples R China
[4] Goertek Inc, RF Dept, Qingdao 266071, Peoples R China
[5] China Aerosp Sci & Technol Corp, Acad 5, Inst 513, Yantai 264000, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION | 2016年 / 2016卷
关键词：
RECONFIGURABLE ANTENNA; OPERATION; DIODE;
D O I：
10.1155/2016/2975425
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A wideband slot antenna for mobile phone applications is proposed. The antenna has two slots with open ends etched on the opposite edges of the ground plane. The main slot, of total length of 59 mm, is composed of a rectangle connected to a circle having radius of 5 mm. Another slot, having a rectangular shape with width of 2.8 mm and length of 26 mm, is employed to enhance the antenna bandwidth. The slots are fed by means of a rectangular monopole connected to a circular patch joined to a bent 50 Omega microstrip transmission line forming two right angles. To obtain a wideband impedance matching, the upper edge of the monopole and a part of the feeding line evolve along the top edge of the two slots. To reduce the antenna size, the upper part of the board above the slot (just 3 mm from the slot) is folded vertically to the ground plane. The measured bandwidth of the antenna is 0.698-1.10 GHz and 1.64-2.83 GHz covering LTE700/2300/2500, GSM850/900/1800/1900, and UMTS bands.
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页数：9
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