共面波導饋入式微帶天線及頻寬增進之設計

Coplanar waveguide fed patch antenna design and bandwidth enhancement

許家睿(Chia-Jui Hsu)

指導教授 ： 林怡成

國立臺灣大學/電機資訊學院/電信工程學研究所/碩士(2004年)

https://doi.org/10.6342/NTU.2004.10043

摘要

在本論文中，我們設計了操作在V頻段(60GHz)無線區域網路的共面波導饋入圓極化微帶天線。為了達到較寬的頻寬，我們應用了兩種方法，一種是改變天線輻射金屬片挖槽的形狀，而另一種則是在饋入端加入一個串聯電容電感的匹配電路。我們利用較容易取得的介質板材FR4，設計在5GHz來驗證這兩種方法，實驗結果顯示頻寬確實獲得改善。
除此之外，本論文也呈現了另一種共面波導饋入的微帶天線，即共面微帶天線。我們各別設計了操作於10GHz的線性及圓形極化天線，此種結構同樣可以利用來設計在V頻段的應用。

關鍵字

頻寬增進 ； 微帶天線 ； 共面波導

並列摘要

In this thesis, circularly polarized patch antennas fed by coplanar waveguide are designed for 60GHz (V-band) WLAN systems. To obtain wider bandwidth, two approaches are investigated. One is to taper the etched shapes on the patch, and the other is to add a series LC matching network to the input end. For verification, they are implemented and measured at 5GHz with FR4 PCB and results show good bandwidth enhancement.
In addition, a CPW-fed coplanar patch antenna is presented. Both linearly polarized and circularly polarized antennas are designed at 10GHz. This structure can also be utilized for V-band applications.

並列關鍵字

Coplanar waveguide ； patch antenna ； bandwidth enhancement

參考文獻

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