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天線期中報告

天線期中報告. 論文比較 Wen-Shan Chen!', Bau -Yi Lee2, Jing- Ju Lu2, Ke -Ming Lin! , Ching -Yu Huang! and Chih -Kai Yang A PIF A Type USB Dongle Antenna for WLAN Applications CSQRWC2013 Yong-Ling Ban, Jin- Hua Chen, Si-Cheng Sun, Joshua Le-Wei Li , Fellow, IEEE , and Jin-Hong Guo

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天線期中報告

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  1. 天線期中報告 論文比較 Wen-Shan Chen!', Bau-Yi Lee2, Jing-Ju Lu2, Ke-Ming Lin! , Ching-Yu Huang! and Chih-Kai Yang A PIF A Type USB Dongle Antenna for WLANApplications CSQRWC2013 Yong-Ling Ban, Jin-Hua Chen, Si-Cheng Sun, Joshua Le-Wei Li, Fellow, IEEE, and Jin-Hong Guo Miniaturized Triple-band USB Dongle AntennaUsing Loaded-Fractal Loop Monopole with ShortedLoop and Fractal Loop Resonator IEEE 2012 學生: 碩研電子一甲 MA230124 朱竣誠 Southern Taiwan Universityof Science and Technology

  2. 如今,通用串行總線(USB)是太流行的設備,易於在該成為高速通信接口的一個標準的各種設備。因此, 該USBdongle是在定義的無線USB設備(WUSB)一詞的無線通信設備應用。 在第一篇中迂迴PIFA天線與地平面延伸兩個弧形條提出了WLAN USBdongle應用。蜿蜒的PIFA激發諧振模式頻率為2.4 GHz,而下彎曲的條為工作5.2兩個較高的模式和5.S GHz頻段。上彎曲的條和在它上面一個矩形存根用於擴展PIFA的當前路徑和移位2.4 GHz頻段。上帶也增加的較高的阻抗帶寬帶。 第二篇提出了一種小型化的三頻段天線的無線USB適配器應用。該天線由一個加載的分形環單極和短路回圈,它們共同實現了2.45 GHz和5.5 GHz雙頻段的共鳴。創建的3.5 GHz的WiMAX的頻帶,分形環諧振器被耦合在另一側。 在三頻段的操作能夠通過控制參數來確定 的加載的分形環單極的短路環和單極和分形環諧振器之間的耦合。

  3. 天線尺寸

  4. 第一篇的尺寸

  5. 第二篇尺寸

  6. 天線模擬S11特徵比較

  7. 結論 第一篇適用於WLAN和WiMAX的頻段一種新的三頻段USBdongle天線已經被提出,並與測量和仿真驗證。 該天線具有體積小(10毫米ₓ42毫米ₓ0.8毫米)。所設計的天線,適用於USBdongle的應用和足夠的帶寬以覆蓋的WLAN和WiMAX的三個現代化的無線通信服務的大小。 第二篇是緊湊型和小型無線USBdongle天線無線局域網的應用,提出並驗證。實測和模擬-10 dB的阻抗帶寬覆蓋 WLAN2.4,5.2,和5.8 GHz頻段的應用。整體 36.5毫米×10毫米的尺寸適合應用在 調製解調器的無線設備。在展示了天線的 演出中,模擬的輻射模式有一個甜甜圈 塑造頻率為2.4 GHz和全方位的功能在YZ平面。旁邊,兩個天線增益和效率是穩定的, 適用雖然天線部分佔據非常小的 10毫米×10毫米大小。

  8. 心得 在未來的無線通訊產品已漸漸朝向薄型化的發展,所以把天線的體積與面積縮小是一個重要的考量,在這兩篇報告中,都製作出符合的應用頻帶與功能並達到縮小體積這點,這不只應用在天線上,在許多電子產品的開發都是一件非常重要的事,例如完成一個四軸直升機要把硬體減到最輕,減少電量的消耗達到提升飛行的時間,在未來的專題製作上勢必要更加探討與研究。

  9. 參考文獻 [1Sarawuth Chaimool and PrayootAkkaraekthalin, CPW-fed antennasfor WiFi and WiMAX, Advanced Transmission Techniques in WiMAX,ISBN: 978-953- 307-965-3, InTech, http://www.intechopen.com/articles/show/title/cpw-fed- antennas-for-wifi-and-wimax [2] S. Chaimool and K.L. Chung, “CPW- fed mirrored-L monopole antennawith distinct triple bands for WiFi and WiMAX applications,” ElectronLett., vol. 45 no. 18, 2009. [3] K. L. Chung and S. Chaimool, “CPW- fed mirrored-L monopole antennawith distinct triple bands for WiFi and WiMAX applications,” Microw.Opt. Technol. Lett. vol. 53, no.10, pp. 2274-2277, Oct. 2011. [4] P. Li, Z. Nie, X. Zong, J. Ouyang and Y. Ban, “A compact internal folded monopole for GSM/UMTS/LTE in the USB dongle,” Cross Strait Quad- Regional Radio Science and Wireless Technology Conference, pp. 926- 928, July 2011. [5] W.-C. Liu and Y.-L. Chen, “Compact strip-monopole antenna forWLAN- band USB dongle application,” Electron. Lett., vol. 47 no.8,pp.479-480, Apr. 2011.

  10. 參考文獻 [5] L. Qi, J. R. Pereira, and H. M. Salgado, "Fractal Monopole Antenna for WLAN USB Dongle," 2009 Loughborough Antennas & Propagation Conference. [2] S. H. Lee and Y. Sung, "Multiband Antenna for Wireless USB Dongle Applications," IEEE Antennas Wireless Propag. Lett., vol. 10, pp. 25-28, 2011. [3] C. C. Lin, S. W. Kuo, and H. R. Chuang, "A 2.4-GHz Printed MeanderLine Antenna for USB WLAN with Notebook-PC Housing," IEEE Microwave and Wireless Components Lett., vol. 15, pp. 546-548,2005. [4] D. Kim, U. Kim, and 1. Choi, "Design of a Wideband Internal Monopole Antenna for Wireless USB Dongle Application," Proceedings of AsiaPacific Microwave Conference 2010. [5] W. C. Liu and Y. L. Chen, "Compact strip-monopole antenna for WLAN-band USB dongle application," Electronics Letters, vol. 47, 2011.

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