應用於高位元率無線傳輸系統之V頻段漸進式開槽天線陣列

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李媛貞(Yuan-chen Lee) 查詢紙本館藏

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電機工程學系

論文名稱

應用於高位元率無線傳輸系統之V頻段漸進式開槽天線陣列
(V-band Tapered Slot Antenna Array Applied to High-bit-rate Wireless Transmission System)

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摘要(中)

本論文主要研究可應用於高位元率無線傳輸系統之V頻段漸進式開槽天線陣列。近年隨著無線影音傳輸及娛樂需求提升，各國陸續通過將60GHz頻段劃為免授權商業用途，產業界亦相繼投入60GHz頻段元件產品的研究，以實現高位元率無線傳輸。當傳輸頻率提高至60GHz時，其通道傳輸損耗比起在6GHz時反而增加了20dB，因此需要高增益與高指向性天線做為補償。
漸進式開槽天線具有高增益與高指向性兩項特性，同時其結構可類似積木式地排列而易於組合為天線陣列，以提高天線增益。在天線設計方面，本論文分析天線幾何結構參數，使其有較佳的增益及輻射效率；天線饋入方式則採用集總元件共平面波導至槽線轉換器，內含L型匹配電路，藉此縮小饋入結構的電路面積，以利天線陣列的實現。天線陣列由N個漸進式開槽天線以水平方向排列連接，可稱為1×N 漸進式開槽天線陣列。
論文中以薄膜積體電路製程實現一V頻段之1×4 漸進式開槽天線陣列，改善一般晶片天線天線增益過低的問題；並實測天線特性，包括反射損耗、增益和輻射場型，以驗證其效能。

摘要(英)

This paper is presented a V-band tapered slot antenna array applied to high-bit-rate wireless transmission system. With more requests for wireless video transmission and entertainment, and the 60 GHz carrier frequency is available to be an unlicensed band, so the applications around 60 GHz interest more people to research. However, in this band the propagation loss is about 20 dB higher than that at 6 GHz. Therefore, the system needs high gain and high directivity antennas to compensate these effects.
Tapered slot antennas have high gain and high directivity, and its structure is suitable as radiating elements for arrays of brick architecture so that the antenna gain increases. In this paper, the geometric parameters of tapered slot antennas are analyzed to get better gain and radiation status. The feeding technique uses a lumped-element coplanar waveguide to slotline transition which includes the L-section matching network; it can reduce the area of feeding circuits for power-combining block of array. the antenna array is composed of N antennas which are arranged in rows connected horizontally to be a 1×N tapered slot antenna array.
The V-band tapered slot antenna array is realized with GIPD (integrated passive device on glass substrate) process to improve the low gain of general chip antennas. The characteristics of antenna array will be measured, including return loss, gain and radiation pattern, to verify the operating efficiency.

關鍵字(中)

★ 漸進式開槽天線陣列
★ V頻段

關鍵字(英)

★ Tapered Slot Antenna Array
★ V-band

論文目次

中文摘要 i
英文摘要 ii
致謝 iii
目錄 iv
圖目錄 v
表目錄 viii
第一章緒論 1
1.1 研究動機與目的 1
1.2 論文概述 2
第二章漸進式開槽天線陣列之設計與分析 3
2.1 漸進式開槽天線的基本特性 3
2.2.1 天線長度 6
2.2.2 天線開口寬度 10
2.2.3 天線開口邊緣金屬寬度 16
2.3 共平面波導饋入之漸進式開槽天線陣列設計 23
2.3.1 天線的饋入結構 23
2.3.2 1×2之2.4GHz天線陣列之設計 27
2.3.3 天線陣列之實作與量測 35
第三章實現於薄膜積體電路製程之V頻段漸進式開槽天線陣列 41
3.1 漸進式開槽天線陣列之設計流程 41
3.2 1×4之V頻段天線陣列之設計 43
3.3 天線陣列之實作與量測 47
第四章結論 52
參考文獻 54

參考文獻

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指導教授

林祐生(Yo-shen Lin)

審核日期

2011-8-31

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