Design of Dual-Band Notched UWB Antenna Loaded with Split Ring Resonators for Wide Band Rejection

Q3 Engineering

International Journal of Electronics Letters Pub Date : 2022-01-03 DOI:10.1080/21681724.2021.2025437

Penchala Reddy Sura, Sekhar M, Katta Anil Kumar

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引用次数: 1

Abstract

ABSTRACT Nowadays, the design of a miniaturised ultra-wideband (UWB) antenna with wide dual band-notched characteristics gained widespread demand in wireless communications to reduce interference. The design of a planar CPW-fed circular UWB antenna loaded with split ring resonators and stubs is presented to eliminate two frequency bands. Two symmetrical circular split ring resonators are etched below the CPW feed at the backside of a circular UWB monopole antenna to suppress 3.61 GHz–5.57 GHz (sub-6 GHz band) wideband interference, whereas the 7.06 GHz–8.79 GHz (X-band uplinks and downlinks) band is suppressed by loading two L-shaped stubs. Slots are also made on the patch and ground to enhance impedance matching at a lower resonance frequency. The proposed notch band antenna has a compact size of 38 × 32 × 1.6 mm3 and has the highest gain of 5.75 dB at a frequency of 9 GHz. The parametric analysis has been performed to obtain optimised dimensions for better performance. The designed antenna is simulated, prototyped and tested to validate the antenna design.

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带劈裂环谐振器的宽带抑制双频缺口超宽带天线设计

目前，设计具有宽双陷波特性的小型化超宽带(UWB)天线在无线通信中得到了广泛的需求，以减少干扰。设计了一种基于分环谐振器和短节的平面cpw馈电超宽带圆形天线，消除了两个频段。在圆形UWB单极天线背面的CPW馈线下方蚀刻两个对称圆形劈开环谐振器，抑制3.61 GHz - 5.57 GHz (sub-6 GHz频段)宽带干扰，而7.06 GHz - 8.79 GHz (x波段上行和下行链路)频段则通过加载两个l形桩来抑制。在贴片和地上也做了插槽，以增强在较低谐振频率下的阻抗匹配。所提出的陷波带天线具有38 × 32 × 1.6 mm3的紧凑尺寸，在9 GHz频率下具有5.75 dB的最高增益。进行了参数分析，以获得优化的尺寸，以获得更好的性能。对设计的天线进行了仿真、原型制作和测试，验证了天线设计的正确性。

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来源期刊

International Journal of Electronics Letters Engineering-Electrical and Electronic Engineering

CiteScore

1.80

自引率

0.00%

发文量

期刊介绍： International Journal of Electronics Letters (IJEL) is a world-leading journal dedicated to the rapid dissemination of new concepts and developments across the broad and interdisciplinary field of electronics. The Journal welcomes submissions on all topics in electronics, with specific emphasis on the following areas: • power electronics • embedded systems • semiconductor devices • analogue circuits • digital electronics • microwave and millimetre-wave techniques • wireless and optical communications • sensors • instrumentation • medical electronics Papers should focus on technical applications and developing research at the cutting edge of the discipline. Proposals for special issues are encouraged, and should be discussed with the Editor-in-Chief.