臺灣博碩士論文加值系統

本論文主要是對於行動手機的內藏式天線提出一操作於半波長之迴圈天線設計。首先提出一單迴圈操作在單一頻帶（如UMTS頻帶）的設計，並針對單迴圈的特性進行探討；再者，提出一雙迴圈的設計架構，可以滿足GSM/DCS雙頻手機的操作需求，並對於使用單一饋入之雙迴圈彼此相互的影響進行分析研究。此外，無論單迴圈或雙迴圈天線操作時，其激發接地面表面電流大小以及輻射場型與單極天線或倒F形平板天線相類似。

In this thesis we introduce a half-wavelength loop antenna for operation as an internal antenna for mobile phones. First, we introduce a single loop antenna for single-band operation (eg., UMTS band), and experimental and simulated results are presented. Next, we introduce a dual-band loop structure which covers the operating bandwidths of the GSM/DCS dual-band mobile phone. The proposed dual-loop antenna is studied, especially for the effects between the two loops of the antenna. Both of the single-loop and dual-loop antennas have the characteristics of generating similar surface currents on the ground plane with that of the conventional monopole and planar inverted-F mobile phone antennas.

第一章 序論 (Introduction)
1.1 概述
1.2 文獻探討
1.3 論文內容

第二章 適用於行動手機之半波長迴圈天線—單頻設計
(Half-Wavelength Loop Antenna for Mobile Phones – Single-Band Design)
2.1 天線設計原理
2.2 模擬分析與實驗結果
2.3 迴圈天線激發之半波長與全波長模態實例比較
2.4 心得與討論

第三章 適用於行動手機之半波長迴圈天線—雙頻設計
(Half-Wavelength Loop Antenna for Mobile Phones – Dual-Band Design)
3.1 天線設計原理
3.2 模擬分析與實驗結果
3.3 心得與討論

第四章 結論 (Conclusions)

參考文獻 (References)
論文著作表 (Publication List)

[1]H. C. Tung, C. Y. Fang and K. L. Wong, “An inverted-L monopole antenna loaded with a meandered wire for GSM/DCS dual-band mobile phones,” Microwave Opt. Technol. Lett., vol. 33, pp. 212-214, May 5, 2002.
[2]K. L. Wong, G. Y. Lee and T. W. Chiou, “A low-profile planar monopole antenna for multiband operation of mobile handsets,” IEEE Trans. Antenna Propagat., vol. 51, pp. 121-125, Jan. 2003.
[3]G. Y. Lee, H. T. Chen and K. L. Wong, ”A low-cost surface-mount monopole antenna for GSM/DCS operation,” Microwave Opt. Technol. Lett., vol. 37, pp. 2-4, Apr. 5, 2003.
[4]B. Sun, Q. Liu and H. Xie, ”Compact monopole antenna for GSM/DCS operation of mobile handsets,” Electron. Lett., vol. 39, pp. 1562-1563, Oct. 30, 2003.
[5]F. R. Hsiao and K. L. Wong, “Compact planar inverted-F patch antenna for triple-frequency operation,” Microwave Opt. Technol. Lett., vol. 33, pp. 459-462, Jun. 20, 2002.
[6]S. H. Yeh, C. Y. Fang and K. L. Wong, “PIFA-monopole internal mobile phone antenna for GSM/DCS/PCS triple-band operations,” Microwave Opt. Technol. Lett., vol. 35, pp. 217-219, Nov. 5, 2002.
[7]H. Furuuchi, H. Morishita, H. Ide, Z. Tanaka, K. Fujimoto, ”Balance-Fed Loop Antenna System for Handsets,” in 1999 IEEE Antennas Propagat. Soc. Int. Symp. Dig., vol. 1, pp. 6-9.
[8]W. J. Keller Ⅲ, O. J. Romero, J. Sivaraks and R. P. Garcia, “Loop antenna formed of multiple concentric irregular loops,” U.S. Patent Pub. No. 0096637 A1, May 22, 2003.
[9]W. J. Keller Ⅲ, O. J. Romero and J. Sivaraks, “Multiband antenna formed of superimposed compressed loops,” U.S. Patent Pub. No. 0098814 A1, May 29, 2003.
[10]方啟印，應用在行動手機之新型天線設計，國立中山大學電機工程學系碩士論文，中華民國九十二年六月。