An E‐shaped microstrip patch antenna for reconfigurable dual‐band operation
An E‐shaped microstrip patch antenna for reconfigurable dual‐band operation
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用于可重构双频操作的E形微带贴片天线
DOI：
10.1002/mop.29814
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发表时间：
2016
影响因子：
1.5
通讯作者：
B. Braaten
中科院分区：
文献类型：
--
作者：
S. Asif;A. Iftikhar;Saeed M. Khan;M. Usman;B. Braaten
提出了一种双频同时可重构E形微带贴片天线。该天线能够高效地同时切换两个频段，而不需要任何外部匹配网络。它的结构简单，由一个单层插入式馈电贴片和三个放置在适当位置的射频开关组成，以重新配置频段。当PIN二极管关闭(反向偏置)时，建议天线的谐振频率为3.5 GHz和8.1 GHz，但当PIN二极管接通(正向偏置)时，天线重新配置为3.1 GHz和7.2 GHz。使用全波仿真工具HFSS V.15.0对所提出的E形微带贴片进行了分析。此外，还引入了边馈技术来简化设计，并在制作的设计中加入了简单的偏置电路。在3.1 GHz、3.5 GHz、7.2 GHz和8.1 GHz下，分别测得4.6 dBI、5.2 dBI、4.0 dBI和4.4 dBI的增益。模拟结果与实测结果吻合较好。该天线能够在S频段、C频段和X频段的多个频率下谐振，因此适用于WiMAX应用、微波通信和卫星链路。©2016威利期刊，Inc.微波技术通讯58：1485-1490,2016
A simultaneous dual‐band frequency reconfigurable E‐shaped microstrip patch antenna is proposed in this paper. The antenna is capable of efficiently switching both the frequency bands at the same time without the need of any external matching network. Its structure is simple and consists of a single‐layer inset‐feed patch and three RF switches placed at appropriate locations to reconfigure the frequency bands. The proposed antenna resonates at 3.5 GHz and 8.1 GHz when the PIN diodes are 'OFF' (reverse biased) but reconfigured to 3.1 GHz and 7.2 GHz when the PIN diodes are turned 'ON' (forward biased). A full wave simulation tool HFSS v. 15.0 is used for the analysis of the proposed E‐shaped microstrip patch. Moreover, an edge‐fed technique is introduced to simplify the design and simple biasing circuit has been incorporated in the fabricated design. A gain of 4.6 dBi, 5.2 dBi, 4.0 dBi, and 4.4 dBi is measured at 3.1 GHz, 3.5 GHz, 7.2 GHz, and 8.1 GHz, respectively. Good agreement is achieved between simulated and measured results. Its ability to resonate at multiple frequencies in the S‐, C‐ and X‐bands makes this antenna suitable for WIMAX applications, microwave communications and satellite links. © 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:1485–1490, 2016