A Low-Cost 60-GHz Switched-Beam Patch Antenna Array With Butler Matrix Network

被引：168

作者：

Tseng, Chao-Hsiung ^{[1
]}

Chen, Chih-Jung ^{[2
]}

Chu, Tah-Hsiung ^{[2
]}

机构：

[1] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei 106, Taiwan

[2] Natl Taiwan Univ, Dept Elect Engn, Taipei 106, Taiwan

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2008年 / 7卷

关键词：

Millimeter wave antenna arrays; millimeter wave communication; microstrip antennas; switched-beam antenna;

D O I：

10.1109/LAWP.2008.2001849

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this letter, a low-cost 60-GHz switched-beam patch antenna array with Butler matrix network is developed and experimentally demonstrated. In order to improve integration with the patch elements, a 4 x 4 planar Butler matrix is implemented in a low-dielectric substrate. The four rectangular patches fed by inset microstrip lines are connected to the outputs of the Butler matrix for the 60-GHz operation. Because of the fabrication tolerances, the operating frequency of the fabricated antenna shifts to 62 GHz. The radiation patterns measured at 62 GHz are in good agreement with the theoretical array factors. The antenna developed in this letter provides a cost-effective approach to implement an adaptive antenna for 60-GHz wireless communications.

引用

页码：432 / 435

页数：4

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