| Related citation: | Xiaojun Tang,Peng Chen,Jianlan Wu,Ping Wang,Hao Wang,Guangli Yang.A Novel Tri-band GPS/WLAN Antenna for Tablet with Full Metal Housing[J].Journal of Harbin Institute Of Technology(New Series),2018,25(2):33-40.DOI:10.11916/j.issn.1005-9113.16160. |
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| Author Name | Affiliation | | Xiaojun Tang | School of Information and Communication Engineering, Shanghai University, Shanghai 200040, China | | Peng Chen | School of Information and Communication Engineering, Shanghai University, Shanghai 200040, China | | Jianlan Wu | College of Information and Communication Engineering, Harbin Engineering University, Harbin 150000, China | | Ping Wang | School of Information and Communication Engineering, Shanghai University, Shanghai 200040, China | | Hao Wang | School of Information and Communication Engineering, Shanghai University, Shanghai 200040, China | | Guangli Yang | School of Information and Communication Engineering, Shanghai University, Shanghai 200040, China |
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| Abstract: |
| A full metal housing antenna for tablet to cover the GPS and WLAN b/g/a bands (1565-5,2-2484 and 4920-5825 MHz) is presented.The cavity is created by the enclosed volume of PCB and metal housing of the tablet. The cavity is properly excited by a flat exciting element with dimensions of only 36×4 mm2 positioned at an open slot between PCB and metal housing at the tablet's top surface. Among many excited cavity mode resonances, the ones close to the target frequency bands were selected and properly adjusted by adding grounding vias and shorting strip based on the E field distributions. This unique cavity mode excited antenna has measured -6 dB return loss bandwidth of 1 500－1 600 MHz, 2 380－2 500 MHz, 4 580－5 960 MHz and the average efficiencies for all the three bands are over 50%. Therefore, it overcomes the efficiency degradation issue that traditional IFA or monopole antennas are facing at the full metal housing environment. |
| Key words: cavity full metal housing GPS WLAN tablet |
| DOI：10.11916/j.issn.1005-9113.16160 |
| Clc Number:TN82 |
| Document Code::A |
| Fund: |
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| Descriptions in Chinese: |
| 一种新颖的应用于全金属外壳平板三频段GPS/WLAN天线设计 汤小俊1，陈鹏1，吴剑岚2，王平1，王浩1，杨广立1 （1. 上海大学 信息与通信工程学院，上海 200040； 2.哈尔滨工程大学 信息与通信工程学院，哈尔滨 150000) 创新点说明：1）该文设计是真正意义上的全金属无缝外壳平板天线，优于非金属外壳和金属外壳开缝类的平板天线设计； 2）该天线的设计覆盖了目前市场上比较流行的GPS、WLAN a、WLAN b三频带设计； 3）本文亮点是运用了本证模理论，该理论是波导理论，而波导在金属中是全反射，能量吸收少。运用全金属外壳产生的墙体作为天线辐射体，即使在恶劣的环境中效率也很高； 4）该天线相对于其他天线来说在尺寸面积上占有优势，只有36 mm x 4 mm。 研究方法： 控制变量法； 采用的仪器及软件分别是：安捷伦网络分析仪和XFdtd电磁仿真软件 关键词：腔体；全金属外壳；GPS；WLAN;平板 |
