(3.235.108.188) 您好!臺灣時間:2021/03/07 20:00
字體大小: 字級放大   字級縮小   預設字形  
回查詢結果

詳目顯示:::

我願授權國圖
: 
twitterline
研究生:陳偉吉
研究生(外文):Wei-Ji Chen
論文名稱:利用寄生槽縫增加頻寬之筆記型電腦無線廣域網路天線設計
論文名稱(外文):Bandwidth Enhancement of WWAN Laptop Computer Antenna Using a Parasitic Open Slot
指導教授:翁金輅翁金輅引用關係
指導教授(外文):Kin-Lu Wong
學位類別:碩士
校院名稱:國立中山大學
系所名稱:電機工程學系研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2010
畢業學年度:98
語文別:中文
論文頁數:60
中文關鍵詞:使用者全人體頻寬增加單極槽孔行動通訊天線筆記型電腦天線無線廣域網路天線
外文關鍵詞:Mobile antennasOpen slotUser’s whole-bodyBandwidth enhancementWWAN antennasLaptop computer antennas
相關次數:
  • 被引用被引用:0
  • 點閱點閱:174
  • 評分評分:系統版面圖檔系統版面圖檔系統版面圖檔系統版面圖檔系統版面圖檔
  • 下載下載:0
  • 收藏至我的研究室書目清單書目收藏:0
本論文提出一種利用寄生槽縫增加頻寬之技術,使得內藏式筆記型電腦天線在螢幕接地面上方邊緣處之尺寸僅48 × 10 × 3.5 mm^3的情況下,形成一寬頻之低頻頻段來涵蓋GSM850/900系統操作,同時在高頻頻段亦可涵蓋GSM1800/1900/UMTS系統操作。為了實際之應用,我們以本論文提出之天線設計來探討天線位置、鄰近金屬片、屏蔽金屬片、鍵盤接地面、FR4基板及接地面尺寸對於天線的影響。此外,我們也分析了使用者全人體對於無線廣域網路天線的影響,由於人體是有損材質,所以當人體靠近天線時,會使得天線的輻射效率下降。
In this thesis, we propose a new bandwidth-enhancement method of using a parasitic open slot to achieve a wide lower band for the internal laptop computer antenna with a small size to cover the GSM850/900 operation and a wide upper band to cover the GSM1800/1900/UMTS operation as well. The occupied antenna volume is only 48 × 10 × 3.5 mm^3 above the top edge of the display ground. For practical application, we analyze the effects of the antenna position, nearby metal plate, shielding metal plate, keyboard ground, FR4 substrate, and the size of display ground on the performance of the WWAN antenna. In addition, effects of the user’s whole-body on the proposed antenna are also analyzed. Owing to the user’s whole-body being mainly lossy materials, a decrease in the antenna’s radiation efficiency is observed when the user’s whole-body is in close proximity to the WWAN laptop computer antenna.
文字目錄 i
圖形目錄 iii
表格目錄 v

第一章 序論 (Introduction) 1
1.1 研究動機 1
1.2 文獻導覽 2
1.3 論文提要 3

第二章 筆記型電腦無線廣域網路天線設計 (WWAN Laptop Computer Antenna) 5
2.1 利用寄生槽縫增加頻寬之技術原理 5
2.2 實驗結果與參數分析 10
2.3 延伸研究 18
2.4 心得與討論 20

第三章 筆記型電腦內部環境對無線廣域網路天線的影響研究 (Effects of Internal Environment of the Laptop Computer on the WWAN Antenna) 22
3.1 天線擺放位置的影響 22
3.2 鄰近金屬片對天線的影響 23
3.3 屏蔽金屬片對天線的影響 25
3.4 鍵盤接地面對天線的影響 26
3.5 介質基板對天線的影響 29
3.6 螢幕接地面尺寸對天線的影響 31
3.7 心得與討論 32

第四章 使用者全人體對筆記型電腦無線廣域網路天線的影響研究 (Effects of User’s Whole-body on the WWAN Laptop Computer Antenna) 33
4.1 人體模型參數設定 33
4.2 人體對天線的影響 35
4.3 SAR模擬分析 40
4.4 心得與討論 43

第五章 結論 (Conclusions) 44

參考文獻 (References) 46

論文著作表 (Publication List) 49
[1]http://www.eettaiwan.com/ART_8800600374_876045_NT_0c46214d.HTM
[2]http://www.apple.com/ipad/
[3]K. L. Wong and L. C. Lee, “Multiband printed monopole slot antenna for WWAN operation in the laptop computer,” IEEE Trans. Antennas Propagat., vol. 57, pp. 324-330, Feb. 2009.
[4]C. T. Lee and K. L. Wong, “Study of a uniplanar printed internal WWAN laptop computer antenna including user’s hand effects,” Microwave Opt. Technol. Lett., vol. 51, pp. 2341-2346, Oct. 2009.
[5]K. L. Wong and F. H. Chu, “Internal planar WWAN laptop computer antenna using monopole slot elements,” Microwave Opt. Technol. Lett., vol. 51, pp. 1274-1279, May 2009.
[6]K. L. Wong and S. J. Liao, “Uniplanar coupled-fed printed PIFA for WWAN operation in the laptop computer,” Microwave Opt. Technol. Lett., vol. 51, pp. 549-554, Feb. 2009.
[7]C. H. Chang and K. L. Wong, “Internal coupled-fed shorted monopole antenna for GSM850/900/1800/1900/UMTS operation in the laptop computer,” IEEE Trans. Antennas Propagat., vol. 56, pp. 3600-3604, Nov. 2008.
[8]X. Wang, W. Chen and Z. Feng, “Multiband antenna with parasitic branches for laptop applications,” Electron. Lett., vol. 43, pp. 1012-1013, Sep. 13, 2007.
[9]P. Vainikainen, J. Ollikainen, O. Kivekas and I. Kelander, “Resonator-based analysis of the combination of mobile handset antenna and chassis,” IEEE Trans. Antennas Propagat., vol. 50, pp. 1433-1444, Oct. 2002.
[10]W. Y. Chen and K. L. Wong, “Small-size coupled-fed shorted T-monopole for internal WWAN antenna in the slim mobile phone,” Microwave Opt. Technol. Lett., vol. 52, pp. 257-262, Feb. 2010.
[11]C. H. Chang and K. L. Wong, “Printed λ/8-PIFA for penta-band WWAN operation in the mobile phone,” IEEE Trans. Antennas Propagat., vol. 57, pp. 1373-1381, May 2009.
[12]K. L. Wong and C. H. Huang, “Bandwidth-enhanced internal PIFA with a coupling feed for quad-band operation in the mobile phone,” Microwave Opt. Technol. Lett., vol. 50, pp. 683-687, Mar. 2008.
[13]K. L. Wong and C. H. Huang, “Printed PIFA with a coplanar coupling feed for penta-band operation in the mobile phone,” Microwave Opt. Technol. Lett., vol. 50, pp. 3181-3186, Dec. 2008.
[14]C. T. Lee and K. L. Wong, “Uniplanar coupled-fed printed PIFA for WWAN/WLAN operation in the mobile phone,” Microwave Opt. Technol. Lett., vol. 51, pp. 1250-1257, May 2009.
[15]H. Wang, M. Zheng and S. Q. Zhang, “Monopole slot antenna,” U.S. Patent No. 6,618,020 B2, Sep. 9, 2003.
[16]S. K. Sharma, L. Shafai and N. Jacob, “Investigation of wide-band microstrip slot antenna,” IEEE Trans. Antennas Propagat., vol. 52, pp. 865-872, Mar. 2004.
[17]S. I. Latif, L. Shafai and S. K. Sharma, “Bandwidth enhancement and size reduction of microstrip slot antennas,” IEEE Trans. Antennas Propagat., vol. 53, pp. 994-1002, Mar. 2005.
[18]A. P. Zhao and J. Rahola, “Quarter-wavelength wideband slot antenna for 3-5 GHz mobile applications,” IEEE Antennas Wireless Propagat. Lett., vol. 4, pp. 421-424, 2005.
[19]R. Bancroft, “Dual slot radiator single feedpoint printed circuit board antenna,” U.S. Patent No. 7,129,902 B2, Oct. 31, 2006.
[20]P. Lindberg, E. Ojefors and A. Rydberg, “Wideband slot antenna for low-profile hand-held terminal applications,” Proc. 36th European Microwave Conf. (EuMC2006), Manchester, UK, pp. 1698-1701.
[21]W. S. Chen and K. Y. Ku, “Broadband design of a small non-symmetric ground λ/4 open slot antenna,” Microwave Journal, pp. 110-120, Jan. 2007.
[22]C. I. Lin and K. L. Wong, “Printed monopole slot antenna for internal multiband mobile phone antenna,” IEEE Trans. Antennas Propagat., vol. 55, pp. 3690-3697, Dec. 2007.
[23]C. H. Wu and K. L. Wong, “Hexa-band internal printed slot antenna for mobile phone application,” Microwave Opt. Technol. Lett., vol. 50, pp. 35-38, Jan. 2008.
[24]C. I. Lin and K. L. Wong, “Internal hybrid antenna for multiband operation in the mobile phone,” Microwave Opt. Technol. Lett., vol. 50, pp. 38-42, Jan. 2008.
[25]C. H. Wu and K. L. Wong, “Internal hybrid loop/monopole slot antenna for quad-band operation in the mobile phone,” Microwave Opt. Technol. Lett., vol. 50, pp. 795-801, Mar. 2008.
[26]W. S. Chen and K. Y. Ku, “Band-rejected design of the printed open slot antenna for WLAN/WiMAX operation,” IEEE Trans. Antennas Propagat., vol. 56, pp. 1163-1169, Apr. 2008.
[27]C. I. Lin and K. L. Wong, “Printed monopole slot antenna for penta-band operation in the folder-type mobile phone,” Microwave Opt. Technol. Lett., vol. 50, pp. 2237-2241, Sep. 2008.
[28]http://www.ansoft.com/products/hf/hfss/, Ansoft Corporation HFSS.
[29]http:///www.ets-lindgren.com
[30]Private communication with Yageo Corporation, http://www.yageo.com.tw
[31]http://www.semcad.com, SEMCAD, Schmid & Partner Engineering AG (SPEAG).
[32]http://www.fcc.gov/oet/rfsafety/dielectric.html
[33]Commission Eur. Communities, “Council recommendation on limits for exposure of the general public to electromagnetic fields: 0 Hz-300 GHz,” Brussels, Belgium, Jun. 1998.
[34]Federal Communication Commission (FCC), “Evaluating compliance with FCC guidelines for human exposure to radio-frequency electromagnetic fields,” Washington, DC, OET Bulletin. 65, Aug. 1997.
QRCODE
 
 
 
 
 
                                                                                                                                                                                                                                                                                                                                                                                                               
第一頁 上一頁 下一頁 最後一頁 top
系統版面圖檔 系統版面圖檔