Frequency reconfigurable multiband meander patch antenna for cognitive radio with wide tuning frequency range

2016 5th International Conference on Multimedia Computing and Systems (ICMCS) Pub Date : 2016-09-01 DOI:10.1109/ICMCS.2016.7905657

J. Floc'h, I. B. Trad, I. Rouissi

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Abstract

Reconfigurable antennas share attractive properties that can be used to enhance modern wireless systems performances. In this paper, a compact multiband meander antenna with frequency reconfigurable capabilities is studied and presented. The reference antenna is based on a meander patch structure radiating at F1=0.7, F2=1.46, F3=2.03, F4=2.75GHz and easy to be integrated on PCB (Printed Circuit Board). In order to electronically sweep the resonance frequencies over wide bands, one varactor diode was integrated between the meander patch printed on the top layer and a floating ground plane on the back layer. When applying reverse voltage, the proposed antenna is able to reach wide frequency ranges from 0.7 to 0.98GHz for F1, 1.46 to 2.02GHz for F2 and 2.23 to 2.47GHz for the new generated resonance frequency F5 (appears when applying a voltage V=9V (C=1.5pF) and more). The measured results agree well with simulations, good radiation properties were obtained. Realized prototype and related results are presented and discussed.

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频率可重构多频带弯曲贴片天线用于宽调谐频率范围的认知无线电

可重构天线具有吸引人的特性，可用于增强现代无线系统的性能。本文研究并提出了一种具有频率可重构能力的紧凑型多频带弯曲天线。参考天线基于弯曲贴片结构，辐射频率为F1=0.7, F2=1.46, F3=2.03, F4=2.75GHz，易于集成在PCB(印刷电路板)上。为了在较宽的频带上对谐振频率进行电子扫描，将一个变容二极管集成在顶层印刷的弯曲贴片和后层的浮动地平面之间。当施加反向电压时，所提出的天线能够达到较宽的频率范围，F1为0.7至0.98GHz, F2为1.46至2.02GHz，新产生的谐振频率F5为2.23至2.47GHz(当施加电压V=9V (C=1.5pF)或更高时出现)。测量结果与模拟结果吻合较好，获得了良好的辐射性能。给出了实现样机及相关结果，并进行了讨论。

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2016 5th International Conference on Multimedia Computing and Systems (ICMCS)

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