應用於毫米波系統之串聯式圓極化孔徑耦合天線陣列設計

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姓名

陳冠廷(Guan-Ting Chen) 查詢紙本館藏

畢業系所

電機工程學系

論文名稱

應用於毫米波系統之串聯式圓極化孔徑耦合天線陣列設計
(Design of Series-Fed Circularly Polarized Aperture-Coupled Antenna Array for Millimeter-Wave Applications)

相關論文

★ 頻率可重置之雙頻天線設計

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至系統瀏覽論文 (2025-7-1以後開放)

摘要(中)

摘要
本篇提出應用於毫米波系統之串聯式圓極化孔徑耦合天線陣列設計，提供第五代行動通訊使用。
本篇論文天線利用孔徑耦合方式饋入，將傳輸線與天線分層設計，使得在毫米波頻段能降低傳輸線輻射對場型的影響，天線使用矩型貼片天線，並以45°擺放，由於孔徑也參與輻射，因此在孔徑形狀上使用C型孔徑多加一段槽孔，讓天線物理尺寸長寬不同的情況下能產生圓極化，除此之外，此孔徑設計也能減小此天線在正下方(負Z方向)的輻射，避免能量的浪費，本論文使用國家晶片系統設計中心提供之RO4003高頻兩層板製程製作。
量測結果28 GHz單一圓極化孔徑耦合天線量測頻寬21 %，3-dB軸比頻寬5.9 %，增益為2.3 dBic，模擬前後比13 dB。28 GHz串聯式圓極化孔徑耦合四個天線單元陣列量測頻寬8.4 %，3-dB軸比頻寬16.6 %，增益為8.9 dBic，模擬前後比16 dB。

摘要(英)

Abstract
In the thesis, the design of series-fed circularly polarized aperture-coupled antenna array for millimeter-wave applications is proposed to provide the 5th generation wireless systems. The proposed antenna is fed by the aperture coupling method. The transmission line and the antenna are designed in opposite sides of the ground plane, so that the influence of the transmission line radiation on the pattern can be reduced in the millimeter wave band. The antenna uses a rectangular patch antenna, and the aperture also participates in radiation. The C-shaped aperture is added with an additional slot in the aperture shape, so that the antenna can produce circular polarization when the physical size of the antenna is different in length and width. In addition, this aperture design can also reduce the antenna Backward (negative Z direction) radiation to avoid waste of energy. This paper uses the RO4003 high-frequency two-layer board process provided by the National Chip Implementation Center.
The measured impedance bandwidth of the 28 GHz single circularly polarized aperture-coupled antenna is 21 %, the 3-dB axial ratio bandwidth is 5.9 %, the gain is 2.3 dBic, and the simulated front-to-back ratio is 13 dB. The measured impedance bandwidth of the 28 GHz series-fed four-elements circularly polarized aperture-coupled antenna array is 8.4 %, the 3-dB axial ratio bandwidth is 16.6 %, the gain is 8.9 dBic, and the simulated front-to-back ratio is 16 dB.

關鍵字(中)

★ 毫米波
★ 串聯式
★ 圓極化
★ 孔徑耦合
★ 天線陣列

關鍵字(英)

★ Millimeter-Wave
★ Series-Fed
★ Circularly Polarized
★ Aperture-Coupled
★ Antenna Array

論文目次

目錄
頁次
摘要 i
Abstract ii
致謝 iii
目錄 iv
圖目錄 vii
表目錄 x
第一章序論 1
1-1研究動機 1
1-2文獻回顧 2
1-3章節介紹 4
第二章使用天線原理介紹 5
2-1簡介 5
2-2貼片天線 6
2-3孔徑耦合天線 8
2-4 圓極化天線 11
2-5孔徑耦合圓極化天線 13
第三章 28 GHz串聯式孔徑耦合圓極化天線陣列初期設計 14
3-1簡介 14
3-2 孔徑耦合圓極化天線設計 15
3-3 串聯式孔徑耦合圓極化天線陣列設計 22
3-3-1 二個天線單元陣列 22
3-3-2 三個天線單元陣列 26
3-3-3 四個天線單元陣列 30
3-4 模擬與量測 34
3-4-1 單一天線單元 34
3-4-2 四個天線單元陣列 36
3-5結論分析 37
第四章 28 GHz串聯式孔徑耦合圓極化天線陣列改善頻寬設計 39
4-1簡介 39
4-2 孔徑耦合圓極化天線設計 39
4-3 串聯式孔徑耦合圓極化天線陣列設計 47
4-3-1 二個天線單元陣列 47
4-3-2 三個天線單元陣列 50
4-3-3 四個天線單元陣列 54
4-3-4 五個天線單元陣列 57
4-4 模擬與量測 61
4-4-1 單一天線單元 61
4-4-2 四個天線單元陣列 66
4-5結論分析 69
第五章結論 72
參考文獻 73

參考文獻

參考文獻
[1] Chunwei Min and Charles E. Free, “Analysis of Traveling-Wave-Fed Patch Arrays, ” IEEE Trans. Antennas Propag., vol. 57, no. 3, pp. 664-670, Mar. 2009.
[2] Hussam Al-Saedi, Wael M. Abdel-Wahab, Suren Gigoyan, Raj Mittra, and Safieddin Safavi-Naeini, “Ka-Band Antenna With High Circular Polarization Purity and Wide AR Beamwidth,” IEEE Antennas Wireless Propag. Lett., vol. 17, pp. 1508-1511, Sep. 2018.
[3] Nolwenn Caillet, Stephane Pinelf, Cedric Quendo, Christian Person, Eric Rius, Jean-Francois Favennec, and Joy Laskar, “A Wideband Circularly Polarized Patch Array for V-band Low-Cost Applications,” in Proc. Asia Pacific Microw. Conf. (APMC2007), Bangkok, Thailand, Dec. 11-14, 2007, pp. 1-4.
[4] Constantine A. Balanis, Antenna Theory : Analysis and Design,3rd edition,Wiley-Interscience,2005
[5] Marcel Kossel, Hansruedi Benedickter, and Werner Baechtold, “Circular Polarized Aperture Coupled Patch Antennas for an WID System in the 2.4 GHz ISM Band, ” IEEE Radio and wireless Conference (RAWCON99), pp 235-239, Aug. 1999.
[6] Miguel A. Barbosa Kortright, and Rainee N. Simons, “K-Band Cross-Aperture Coupled Circularly Polarized Dual Frequency Microstrip Patch Antenna with Single Feed, ” in 2018 IEEE International Symp. on APS & USNC/URSI National Radio Science Meeting. IEEE, 2018, pp 337-338.
[7] Hussam Al-Saedi, Jawad K. Ali, Wael M. Abdel-Wahab, S. Gigoyan, and Safieddin Safavi-Naeini, “A Dual Circularly Polarized Patch Antenna for Broadband MilliMeter Wave (MMW) Communication Systems, ” in Proc. IEEE Int. Symp. Antennas Propag., 2016, pp 593-594.

指導教授

丘増杰(Tsen-chieh Chiu)

審核日期

2020-7-22

推文