應用於5G與LTE之攜帶式裝置天線設計

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姓名

吳宇軒(Yu-Hsuan Wu) 查詢紙本館藏

畢業系所

通訊工程學系在職專班

論文名稱

應用於5G與LTE之攜帶式裝置天線設計
(Antenna Design for 5G and LTE of Mobile Device)

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至系統瀏覽論文 (2026-5-20以後開放)

摘要(中)

本論文提出應用於LTE與5G之攜帶式裝置多頻段天線設計，以及操作於5G之多頻段天線。設計為求普及性，其空間與尺寸參考蘋果手機IPHONE11。

　　第一隻天線操作於LTE頻段Band1、3、5、13、14、20、38 (1920~2170MHz、1710~1880MHz、824~894MHz、746~787MHz、758~798MHz、791~862MHz、2570~2620MHz)以及5G頻段N46、N47、N79 (5150~5925MHz、5855~5925MHz、4400~5000MHz)，其設計方法透過與接地面積的距離耦合，以及在迴路上做延伸的方式產生共振，可操作於低中高三頻帶。

　　第二支天線操作於N41、N71、N77、N78、N79（2496~2690MHz、617~698MHz、3300~4200MHz、3300~3800MHz、4400~5000MHz），其設計方式是透過在迴路上增加一路徑與低頻路徑相互耦合，產生中高模態，再由饋入端旁，產生一結構，優化阻抗匹配性。

　　本論文提出的兩隻天線在設計上都有良好的輻射表現，整體輻射效率42%~79%，在設計上皆保有輕薄短小之特性，可應用於現行的無線通訊產業中。

摘要(英)

This thesis proposes designs of multi-band antennas for LTE and 5G mobile devices, and 5G multi-band antennas. For popularity, the size and space follow APPLE Cellphone-IPHONE11.

　　The first antenna is used in LTE frequency Band1, 3, 5, 13, 14, 20, 38 (1920~2170MHz, 1710~1880MHz, 824~894MHz, 746~787MHz, 758~798 MHz, 791~862MHz, 2570~2620MHz) and 5G frequency band N46, N47, N79 (5150~5925MHz, 5855~5925MHz, 4400~5000MHz). The design method is coupled with the distance from the grounding area. In addition, it has resonance by extending traces in the antenna loop.

　　The second antenna is used in 5G band N41, N71, N77, N78, N79 (2496~2690MHz, 617~698MHz, 3300~4200MHz, 3300~3800MHz, 4400 ~5000MHz). The design method is to add a path in antenna trace to couple with the low-frequency path. It produces some middle to high band resonances. A structure is inserted between feedings to optimize impedance matching.

　　This thesis proposes two antennas have good performance, the overall radiation efficiency is 42%~79%. Both of antennas are short and small, it widely used in current wireless communication industry.

關鍵字(中)

★ 天線

關鍵字(英)

★ 5G

論文目次

摘要……………………………………………………………………………………………………I
Abstract………………………………………………………………………………………II
誌謝…………………………………………………………………………………………………III
目錄……………………………………………………………………………………………………IV
圖目錄………………………………………………………………………………………………VI
第一章緒論
1-1研究動機…………………………………………………………………………………1
1-2研究目的…………………………………………………………………………………2
1-3章節介紹…………………………………………………………………………………4
第二章天線基本原理
2-1 基礎理論…………………………………………………………………………….5
2-2偶極天線…………………………………………………………………………………6
2-3平面倒F天線…………………………………………………………………………8
2-4天線重要參數………………………………………………………………………9
2-4-1反射損耗……………………………………………………………………………9
2.4.2天線增益……………………………………………………………………………10
2.4.3 天線效率…………………………………………………………………………10
2.4.4 場型……………………………………………………………………………………11
第三章應用於5G與LTE之多頻段天線設計
3.1 設計簡述………………………………………………………………………………12
3.2 天線基礎結構………………………………………………………………….…….13
3.3參數分析…………….…………………………………………………………….…….14
3.3.1 天線結構分析………………………………………………………………..…15
3.3.2 表面電流分析圖………………………………………………………………16
3.3.3 天線輻射場型圖………………………………………………………………19
3.4量測與比對
3-4-1天線效率與增益模擬量測分析……………………………………………26
3-4-2 3D輻射場型圖………………………………….……………………………….32
第四章應用於5G之行動裝置多頻天線設計
4.1 設計簡述………………………………………………………………………………33
4.2天線基礎結構…………………………………………………………………………34
4.3參數分析…………………………………………………………………………………35
4.3.1表面電流分析圖………………………………………………………………37
4.3.2天線輻射場型圖………………………………………………………………40
4-4量測與比對
4-4-1天線參數分析比對……………………………………………………………48
4-4-2 3D輻射場型圖………………………………………………………………54
第五章結論…………………………………………………………………………………55
參考文獻…………………………………………………………………………………………56

參考文獻

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指導教授

林嘉慶(Chia-Ching Lin)

審核日期

2021-6-7

推文