應用於LTE/WWAN手持行動裝置之天線設計

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姓名

洪彥銘(yan-ming Hong) 查詢紙本館藏

畢業系所

通訊工程學系在職專班

論文名稱

應用於LTE/WWAN手持行動裝置之天線設計
(Antenna Design LTE/WWAN of Mobile Handset Applications)

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摘要(中)

本論文主要是設計並探討一可涵蓋長期演進(LTE700/2300/2500)及無線廣域網路(GSM850/GSM900/DCS1800/PCS1900/UMTS2100)八個頻段之手持裝置,參考市面上常見的手機尺寸,並定義整體空間大小為55x120mm2,其次考慮到實際組裝性,將天線尺寸定義為(55mm x 10mm x4.5mm3)進行設計。
由於時下手持裝置等產品外觀設計多以輕薄為主，故此論文天線設計乃以一軟型電路板貼附在塑膠件的結構為設計方向，實際應用上採用成熟的印刷軟型電路技術方式製作天線線路，並將天線與塑塑膠件結合，完成天線單元，以目前成熟的天線廠與手機代工廠都具備在大量生產時保持特性的一致性與高良率。在設計天線低頻部分(LTE700/GSM850/GSM900)，是藉由天線饋入點產生一λ/4的單極天線與接地端產生出寄生路徑所產生低頻寬頻結構，而高頻部分(DCS1800/PCS1900/UMTS2100/ LTE2300/LTE2500)則是在低頻兩個路徑上增加支流來增加高頻應所需要的1GHz頻寬的需求。詳細的天線設計模擬分析以及實作結果在本文中將一一介紹。

摘要(英)

. For the high-band portion(DCS1800 / PCS1900 / UMTS2100 / LTE2300 / LTE2500) of antenna, the proposed antenna was added trace attached on low band for tuning the high-band matching to achieve up to 1 GHz bandwidth demand. Detailed antenna designs and measured results are introduced in this thesis.
This thesis mainly studies the long term evolution (LTE700/2300/2500) and wireless wideband network (GSM850/GSM900/DCS1800/PCS1900/UMTS2100) of handheld devices. Referring the size of mobile phone in the market, defining the overall space at 55mm x120mm, and further considering the workability of assembly in real use, the antenna size is defined at 55mm x 10mm x 4.5mm in this design. Due to the market trend of the mobile phone, the size is preferred to be light and thin. The design of the film antenna in this thesis is based on the printed circuit FPCB stick on the plastic material for the application of the mature skill and capacity of producing printed circuit FPCB. In order to complete the design of combination of the antenna and plastic from the huge market demand, this kind of antenna make itself high yield rate and quality consistence. In this antenna design at low
frequencies (LTE700/GSM850/GSM900), it is to useλ/4 monopole which connected to the ground to generate parasitic trace; a wideband at lower frequencies. For high frequencies (DCS1800/PCS1900/UMTS2100/ LTE2300/LTE2500), it is to add partial current at 2 traces of low frequencies for the purpose of increasing 1 GHz which is required at high frequencies. Antenna design, simulation analysis, and practical test data will be will be given in each chapter.

關鍵字(中)

★ 天線寬頻結構
★ 手機天線設計
★ 單極天線設計

關鍵字(英)

★ LTE Antenna Design
★ Monopole Antennna Design
★ Mobile Antenna

論文目次

目錄
摘要 2
Abstract 3
圖目錄 ii
表目錄 iv
第一章緒論 1
1-1 研究動機與目的 1
1-2 文獻回顧 4
1-3 章節介紹 6
第二章天線原理 7
2-1半波長偶極天線 7
2-2 天線輻射效果 9
2-2-1 天線輻射效率 9
2-2-2 天線增益 10
第三章手持裝置LTE/WWAN之天線設計 11
3-1 設計簡介 11
3-2天線低頻段之設計模擬 12
3-2-1 天線模擬架構 12
3-2-2 天線參數分析 13
3-3多頻?天線設計模擬 17
3-3-1天線結構分析 17
3-3-2 天線參數分析 18
3-3-3 天線電流及輻射場形模擬分析 24
3-4 天線設計總結 32
第四章天線量測與分析 34
第五章結論 48
參考文獻 49
附錄 51

參考文獻

[1] Youn suk Jeong, Sang Heun Lee, Ji Hwan Yoon, Won Yong Lee, Woo Young Choi and Young JoongYoon, “Internal Mobile Antenna For LTE GSM850GSM900PCS1900
WiMAXWLAN”, IEEE Trans. PAMI, pp. 559-562,August 2010
[2] Fang-Hsien Chi and Kin-Lu Wong, “Internal Coupled-Fed Dual-Loop Antenna Integrated With a USB Connector for WWAN/LTE Mobile Handset”, IEEE Trans. PAMI,Vol 59, pp. 4215-4221,Nonemeber 2011.
[3] Chan-Woo Yang, Young-BaeJung and Chang Won Jung, “Octaband Internal Antenna For 4G Mobile Handset”, IEEE Trans. PAMI,Vol.10, pp. 817-819,2011
[4] Won Yong Lee, Youn Suk Jeong, Sang Heun Lee, Jae Rim Oh, Kyoung Sun Hwang and Young Joong Yoon, “A compact Multiband Inverted-F Antenna for LTE/WWAN/GPS/WiMAX/WLAN Operations in the Laptop Computer”, IEEE Trans. PAMI,Vol.10, pp. 2240-2243,2010
[5] Kin-Lu Wong, Yu-Wei Chang, Chun-Yih Wu and Wei Yu Li, “A Small-Size Penta-Band WWAN Antenna Integrated with USB Connector for Mobile Phone Applications”, Applications of Electromagnetism and Student Innovation Competition Awards (AEM2C), 2010 International Conference on, pp. 147-151, 2010.
[6] Kin-Lu Wong, Wei-Yu Chen and Ting-Wei Kang, “On-Board Printed Coupled-Fed Loop Antenna in Close Proximity to the Surrounding Ground Plane for Penta-Band WWAN Mobile Phone”, Antennas and Propagation, IEEE Transactions on, vol. 59, pp. 751-757, 2011.
[7] Po-Wei Lin and Kin-Lu Wong, “Integrated Monopole Slot and Monopole Strip for WWAN Handset Antenna”, Antennas and Propagation (APCAP), 2012 IEEE Asia-Pacific Conference on, pp. 227-228, 2012.
[8] Wen-Shan Chen, Hong-Ying Lin and Wei-Chiang Jhang, “A WWAN Monopole Antenna for Tablet Computer”, Microwave and Millimeter Wave Technology (ICMMT), 2012 International Conference on, vol. 3, pp. 1-4, 2012.

[9] Kin-Lu Wong, Yu-Wei Chang and Shu-Chuan Chen, “Bandwidth Enhancement of Small-Size Planar Tablet Computer Antenna Using a Parallel-Resonant Spiral Slit”, Antennas and Propagation, IEEE Transactions on, vol. 60, pp. 1705-1711, 2012.
[10] Robert S. Elliott, "Antenna theory and design revised edition", John Wiley & Sons, USA, pp. 1-68, 2003
[11] W.S. Chen, B.Y. Lee, and Y.T. Liu, "A coupled-fed loop antenna for fourth generation mobile system applications", Microwave Opt. Technol. Lett. , vol. 54, no. 7, August 2012.
[12] F.H. Chu, and K.L. Wong, "Planar printed strip monopole with a closely-coupled parasitic shorted strip for eight-band LTE/GSM/UMTS mobile phone", IEEE Trans. Antennas and propagation, vol. 58, no. 10, pp. 3426-3431, October 2010.
[13] K.L. Wong, and Y.W. Chi, "Very-small-size printed loop antenna for GSM/DCS/PCS/UMTS operation in the mobile phone", Microwave Opt. Technol. Lett. , vol. 51, no. 1, January 2009.
[14] K.L. Wong and L.C. Lee, "Multiband printed monopole slot antenna for WWAN operation in the laptop computer", IEEE Trans. Antennas and Propag. , vol. 57, no.2, pp. 324–330, February 2009.
[15] W.L. Wong, and Y.W. Chang, "Internal WWAN/LTE handset antenna integrated with usb connector", Microwave Opt. Technol. Lett. , vol. 54, no. 5, May 2012. Microwave Opt. Technol. Lett. , vol. 51, no. 1, January 2009.
[16] F.H. Chu, and K.L. Wong, "Internal coupled-fed dual-loop antenna integrated with a usb connector for WWAN/LTE mobile handset", IEEE antennas Wireless propagation, vol. 59, no.11, November 2011
[17] Kin-Lu Wong, Tsung-Ju Wu and Po-Wei Lin, “Small-Size Uniplanar WWAN Tablet Computer Antenna Using a Parallel-Resonant Strip for Bandwidth Enhancement”, Antennas and Propagation, IEEE Transactions on, vol. 61, pp. 492-496, 2013.
[18] K.L. Wong, and C.T. Lee, "Small-size wideband monopole antenna closely coupled with a chip-inductor-loaded shorted strip for 11-band WWAN/WLAN/WiMAX operation in the slim mobile phone", Microwave Opt. Technol. Lett. , vol. 53, no. 2, February 2011.

指導教授

丘增杰、林嘉慶

審核日期

2014-5-13

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