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MIMO 天線 期中報告

MIMO 天線 期中報告. 1.Li, Y. and Long, Y. " Multiband Monopole Mobile Phone Antenna With Circular Polarization for GNSS Application ",  IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 62, NO. 4, APRIL 2014 .

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MIMO 天線 期中報告

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  1. MIMO天線期中報告 1.Li, Y. and Long, Y. " Multiband Monopole Mobile Phone Antenna With Circular Polarization for GNSS Application ",  IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 62, NO. 4, APRIL 2014 . 2. Yuan Yao, Xing Wang , Xiaodong Chen , Junsheng Yu and Shaohua Liu" Novel Diversity/MIMO PIFA Antenna With Broadband Circular Polarization for Multimode Satellite Navigation",  IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, VOL. 11, 2012. 學號:ma220213 姓名:林俊念

  2. Type2: Size Type1: Size

  3. Type1天線使用Monopole的方式製作，FR4底板1.6mm，介電系數4.4Type1天線使用Monopole的方式製作，FR4底板1.6mm，介電系數4.4 • Type2天線使用PIFA的方式製作，FR4底板1.6mm，介電系數4.4

  4. Type1天線的頻帶與S11模擬和實測 GSM(880 960 MHz), DCS (1710 1880 MHz) PCS (1850 1990MHz) UMTS (1920 2170 MHz) WiBro (2300 2390 MHz) ISM (2400 2483 MHz) and also covers GNSS, including COMPASS (1559.052 1591.788 MHz) GPS(1575.42 5 MHz) GLONASS (1602 1615.5 MHz) Type2天線的頻帶與S11模擬和實測 1163.72~1605.8865 MHz

  5. Type1: Circular polarization(CP) 利用兩個天線環繞的方式造成角度的呈現90度的變化達到圓極化的功能 判斷是依據軸比(AR)是否<3dB Type2: Circular polarization(CP) 使用PIFA對稱的結構，造成圓極化的效用 判斷是依據軸比(AR)是否<3dB

  6. 心得:其實對於天線沒有懂得很透徹，畢竟大學時候專題不是做這塊，可是慢慢做之後，越來越有興趣，但現在單純設計天線可能已經飽和了，所以目前想法是做系統整合，看能不能將設計的READER和TAG這樣搭配再寫個軟體介面進行結合，只是不曉得能不能行，可能還是要多多看一些論文，多做比較。心得:其實對於天線沒有懂得很透徹，畢竟大學時候專題不是做這塊，可是慢慢做之後，越來越有興趣，但現在單純設計天線可能已經飽和了，所以目前想法是做系統整合，看能不能將設計的READER和TAG這樣搭配再寫個軟體介面進行結合，只是不曉得能不能行，可能還是要多多看一些論文，多做比較。

  7. 參考文獻 • 1.Li, Y. and Long, Y. " Multiband Monopole Mobile Phone Antenna With Circular Polarization for GNSS Application ",  IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 62, NO. 4, APRIL 2014 . • 2. Yuan Yao, Xing Wang , Xiaodong Chen , Junsheng Yu and Shaohua Liu" Novel Diversity/MIMO PIFA Antenna With Broadband Circular Polarization for Multimode Satellite Navigation",  IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, VOL. 11, 2012.

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