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Dual Band Metamaterial Antenna For LTE/Bluetooth/WiMAX System.
Scientific Reports ( IF 3.8 ) Pub Date : 2018-01-19 , DOI: 10.1038/s41598-018-19705-3
Md. Mehedi Hasan , Mohammad Rashed Iqbal Faruque , Mohammad Tariqul Islam

A compact metamaterial inspired antenna operate at LTE, Bluetooth and WiMAX frequency band is introduced in this paper. For the lower band, the design utilizes an outer square metallic strip forcing the patch to radiate as an equivalent magnetic-current loop. For the upper band, another magnetic current loop is created by adding metamaterial structure near the feed line on the patch. The metamaterial inspired antenna dimension of 42 × 32 mm2 compatible to wireless devices. Finite integration technique based CST Microwave Studio simulator has been used to design and numerical investigation as well as lumped circuit model of the metamaterial antenna is explained with proper mathematical derivation. The achieved measured dual band operation of the conventional antenna are sequentially, 0.561~0.578 GHz, 2.346~2.906 GHz, and 2.91~3.49 GHz, whereas the metamaterial inspired antenna shows dual-band operation from 0.60~0.64 GHz, 2.67~3.40 GHz and 3.61~3.67 GHz, respectively. Therefore, the metamaterial antenna is applicable for LTE and WiMAX applications. Besides, the measured metamaterial antenna gains of 0.15~3.81 dBi and 3.47~3.75 dBi, respectively for the frequency band of 2.67~3.40 GHz and 3.61~3.67 GHz.

中文翻译:

用于LTE /蓝牙/ WiMAX系统的双频段超材料天线。

本文介绍了一种在LTE,蓝牙和WiMAX频段上工作的紧凑的,受超材料启发的天线。对于较低的频段,该设计利用了一个外部方形金属条,迫使贴片作为等效的磁电流回路辐射。对于较高的频带,通过在贴片上的馈线附近添加超材料结构来创建另一个磁电流环路。超材料激发的天线尺寸为42×32 mm 2与无线设备兼容。已经使用基于有限集成技术的CST Microwave Studio仿真器进行设计和数值研究,并通过适当的数学推导来解释超材料天线的集总电路模型。常规天线已实现的实测双频操作依次为0.561〜0.578 GHz,2.346〜2.906 GHz和2.91〜3.49 GHz,而超材料激发天线则显示了0.60〜0.64 GHz,2.67〜3.40 GHz和2.5GHz的双频操作。分别为3.61〜3.67 GHz。因此,超材料天线适用于LTE和WiMAX应用。此外,在2.67〜3.40 GHz和3.61〜3.67 GHz频段,测得的超材料天线增益分别为0.15〜3.81 dBi和3.47〜3.75 dBi。
更新日期:2018-01-19
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