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Integrated bluetooth/LTE2600 superwideband monopole antenna with triple notched (WiMAX/WLAN/DSS) band characteristics for UWB/X/Ku band wireless network applications
Wireless Networks ( IF 2.1 ) Pub Date : 2020-01-01 , DOI: 10.1007/s11276-019-02230-0
Vigneswaran Dhasarathan , Manish Sharma , Manoj Kapil , Prem Chand Vashist , Shobhit K. Patel , Truong Khang Nguyen

In this manuscript, a compact superwideband monopole antenna with triple notched band characteristics is presented and is experimentally investigated. Proposed antenna is also suitable for lower band of applications including Bluetooth and LTE2600 bands. Superwideband bandwidth with bandwidth ratio ≥ 10:1 is obtained by using two identical ellipse which are placed at 70° with reference to major axis. A fractal stub is used to notch WiMAX interfering band while WLAN and DSS bands are notched by etching modified rectangular slots on the radiating patch. Antenna also constitutes slotted ground with chamfered corners for better matching of impedance. Proposed antenna is also investigated in terms of frequency, time and space domain. Antenna offers a wider superwideband bandwidth with VSWR ≤ 2 for 2.34 GHz to 20.00 GHz. In time domain, antenna offers constant group delay in entire operating bandwidth and acceptable impulse response for input signal. Also, antenna offers maximum gain of 4.98 dBi and radiation efficiency of 89%. Stable radiation pattern and above features of proposed antenna suggest antenna to be a good candidate for numerous applications in wireless system.



中文翻译:

集成蓝牙/ LTE2600超宽带单极天线,具有三陷波(WiMAX / WLAN / DSS)频段特性,适用于UWB / X / Ku频段无线网络应用

在该手稿中,提出了一种具有三重陷波特性的紧凑型超宽带单极天线,并进行了实验研究。拟议的天线还适用于较低频段的应用,包括蓝牙和LTE2600频段。带宽比≥10:1的超宽带带宽是通过使用两个相同的椭圆(相对于主轴成70°放置)获得的。分形短截线用于对WiMAX干扰频带进行陷波,而WLAN和DSS频带通过在辐射贴片上蚀刻修改后的矩形槽来陷波。天线还构成带有倒角的开槽地面,以更好地匹配阻抗。还从频率,时域和空域方面研究了拟议的天线。天线提供了更宽的超宽带带宽,在2.34 GHz至20.00 GHz范围内VSWR≤2。在时域上 天线在整个工作带宽中提供恒定的群时延,并为输入信号提供可接受的脉冲响应。此外,天线的最大增益为4.98 dBi,辐射效率为89%。提议的天线的稳定辐射方向图和上述特征表明,该天线是无线系统中众多应用的理想选择。

更新日期:2020-04-22
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