A COMPACT BUTLER MATRIX FOR WLAN APPLICATION

被引：1
|
作者：
Maddah-Ali, Mohsen [1 ]
Forooraghi, Keyvan [1 ]
机构：
[1] Tarbiat Modares Univ, Dept Elect Engn, Tehran, Iran
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2010年 / 52卷 / 10期
关键词：
compact butler matrix; defected ground structures; branch-line coupler; 0-dB coupler; DESIGN;
D O I：
10.1002/mop.25474
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 article, a compact butler matrix for wireless communications is designed and implemented at 2.4 GHz using defected ground structures (DGS). The butler matrix consists of a 3-dB coupler, crossover (0-dB coupler), and phase shifter. The 3-dB coupler and crossover are compacted using T-model of transmission line and DGS. The size of proposed butler matrix is about 35% of a conventional matrix. To verify simulation results, designed matrix has been implanted and measured. Fortunately, there is very good agreement between simulation results and measured results. (C) 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52:2294-2298, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25474
引用
收藏
页码：2294 / 2298
页数：5
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