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MIMO天線期中報告 論文研討: Yi-Ane Chen, Wen-Jiao Liao, Xin-Xiong Chen, and Bang-Yun Dai, “LTE band Capacitive Coupling Element Antenna for Smart Phone Devices,” The International Workshop on Antenna Technology(iWAT) , Mar. 2015. 報告人: 碩研電子一甲 MA330113 辛緯薰 Southern Taiwan University of Science and Technology 摘要 研究方向: 此 paper提出的天線是採用微帶線饋入,並在饋入端加 上電容,型成一個匹配網路,主要頻帶式運用在LTE 的頻段。 特色是小尺寸、簡單的架構、低成本、有好的輻射效 率, 參考文獻 LTE band Capacitive Coupling Element Antenna for Smart Phone Devices 1 天線設計 參考文獻 LTE band Capacitive Coupling Element Antenna for Smart Phone Devices 2 天線設計 參考文獻 LTE band Capacitive Coupling Element Antenna for Smart Phone Devices 3 天線設計 參考文獻 LTE band Capacitive Coupling Element Antenna for Smart Phone Devices 4 天線設計 參考文獻 LTE band Capacitive Coupling Element Antenna for Smart Phone Devices 5 天線設計 參考文獻 LTE band Capacitive Coupling Element Antenna for Smart Phone Devices 6 天線實作 參考文獻 LTE band Capacitive Coupling Element Antenna for Smart Phone Devices 7 天線實作 參考文獻 LTE band Capacitive Coupling Element Antenna for Smart Phone Devices 8 結論 此天線在饋入端加入電容匹配網路,其尺寸小 、有好的效率、容易設計。在匹配網路中, LTE的頻帶利用對稱的結構來實現,透過調整 之間的容值來達到所需的頻寬與頻帶。 9 心得 這篇PAPER跟之前的比起來有些許不一樣的感覺,主要是以 前看的PAPER都是用運路徑來產生感抗與容抗,而這篇 PAPER是直接在饋入端匹配網路,架構相對應來的簡單,從 實際的天線圖可看出,拉一條路徑,連接到懸空的板子上, 占用的面積也很小,匹配網路學的好,運用在天線上面,可 以解決不少問題。 10 參考文獻 [1] L. J. Ying, Y. L. Ban, and J. H. Chen, “Low-profile coupled-feed printed PIFA for internal seven-band LTE/GSM/UMTS mobile phone antenna,” Cross Strait Quad-Regional Radio Science and Wireless Technology Conference, pp. 418-421, Jul. 2011. [2] A. Cihangir, F. Ferrero, F. Sonnerat, R. Pilard, F. Gianesello, and D.Gloria, “Combination of two neutralized coupling element antennas for low LTE and GSM mobile phones,” Antennas and Propagation Society International Symposium (APSURSI), pp. 2215-2216, Jul. 2011. [3] T. W. Kang, K. L. Wong, L. C. Chou, and M. R. Hsu, “Coupled-fed shorted monopole with a radiating feed structure for eight-band LTE/WWAN operation in the laptop computer,” IEEE Trans. Ant. Propag., vol. 58, pp. 3464–3470, Nov. 2010. [4] J.-H. Lu, Z.-W. Lin, “Planar Compact LTE/WWAN Monopole Antenna for Tablet Computer Application, ” IEEE Ant. Wireless Propag. Lett.,vol. 12, pp. 147-150, 2013. [5] K. L. Wong, T. J. Wu and P. W. Lin, “Small-size uniplanar WWAN tablet computer antenna using a parallel-resonant strip for bandwidth enhancement,’’ IEEE Trans. Ant. Propag., vol. 61, no. 1, pp. 492-496, Jan. 2013. [6] R. Valkonen, M. Kaltiokallio, and C. Icheln, “Capacitive coupling element antennas for multi-standard mobile handsets,” EEE Trans. Ant.Propag., vol. 61, no. 5, pp. 2783-2791, May 2013. [7] J. Holopainen, R. Valkonen, O. Kivek, J. Ilvonen and P. Vainikainen,“Broadband equivalent circuit model for capacitive coupling elementbasedmobile terminal antenna", IEEE Ant. Wireless Propag. Lett., vol.9, pp. 716-719, 2010. 參考文獻 LTE band Capacitive Coupling Element Antenna for Smart Phone Devices 11