Very compact ultra-wideband slot antenna with integrated LTE band

IF 1.4 4区工程技术 Q4 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE Analog Integrated Circuits and Signal Processing Pub Date : 2025-03-21 DOI:10.1007/s10470-025-02382-4

Boualem Hammache, Idris Messaoudene, Abderraouf Messai, Arun Kesavan, Tayeb A. Denidni

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Abstract

This work presents a very compact ultra-wideband (UWB) slot antenna with an integrated long-term evolution (LTE) band at 2.6 GHz. The slot UWB antenna has a small size of 24 mm × 8 mm × 1.524 mm. Additional elementary slots (stepped slots) are etched in the back side of the antenna to obtain an UWB range by assembly the resonance frequency of each elementary slot. An F-shaped slot is integrated into the back side of the antenna to create a resonance frequency in the LTE band. For the experimental results, the proposed antenna provides two resonance frequency bands. The first mode is an UWB bandwidth between 3.1 and 12 GHz, and the second one operates at the LTE band between 2.58 and 2.73 GHz, where the reflection coefficient is less than − 10 dB. The radiation characteristics of the antenna are omnidirectional in the horizontal plane and bidirectional in the vertical plane. A good agreement is shown between the measured and simulated results in terms of impedance matching and radiation pattern.

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非常紧凑的超宽带插槽天线，集成 LTE 频段

这项研究提出了一种非常紧凑的超宽带（UWB）槽式天线，集成了 2.6 GHz 的长期演进（LTE）频段。该槽式 UWB 天线尺寸小，仅为 24 毫米 × 8 毫米 × 1.524 毫米。天线背面蚀刻了额外的基本槽（阶梯槽），通过组装每个基本槽的共振频率来获得 UWB 范围。天线背面还集成了一个 F 形槽，以产生 LTE 频段的谐振频率。实验结果表明，所提议的天线提供了两个共振频率带。第一种模式是 3.1 和 12 GHz 之间的 UWB 带宽，第二种模式工作在 2.58 和 2.73 GHz 之间的 LTE 频段，其反射系数小于 - 10 dB。天线的辐射特性在水平面内是全向的，在垂直面内是双向的。在阻抗匹配和辐射模式方面，测量结果和模拟结果显示出良好的一致性。

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来源期刊

Analog Integrated Circuits and Signal Processing 工程技术-工程：电子与电气

CiteScore

0.30

自引率

7.10%

发文量

141

审稿时长

7.3 months

期刊介绍： Analog Integrated Circuits and Signal Processing is an archival peer reviewed journal dedicated to the design and application of analog, radio frequency (RF), and mixed signal integrated circuits (ICs) as well as signal processing circuits and systems. It features both new research results and tutorial views and reflects the large volume of cutting-edge research activity in the worldwide field today. A partial list of topics includes analog and mixed signal interface circuits and systems; analog and RFIC design; data converters; active-RC, switched-capacitor, and continuous-time integrated filters; mixed analog/digital VLSI systems; wireless radio transceivers; clock and data recovery circuits; and high speed optoelectronic circuits and systems.