车用无线网络通信用圆极化双频微带贴片天线

2014 IEEE International Conference on Advanced Networks and Telecommuncations Systems (ANTS) Pub Date : 2014-12-01 DOI:10.1109/ANTS.2014.7057235

R. Vijay, T. Rao

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引用次数: 9

摘要

设计了一种适用于2.45 GHz和5.5 GHz车辆无线通信的圆极化双频微带贴片天线，并对其性能进行了研究。为了获得圆偏振，在矩形贴片的两侧引入了狭槽。利用电磁仿真工具观测到低频段(1.9 GHz-2.6 GHz)和高频段(5.4 GHz-5.63 GHz)的轴比带宽分别为700 MHz和230 MHz。该天线在2.45 GHz和5.5 GHz频段的增益分别为2.24 dB和4.97 dB，在2.4 GHz和5 GHz频段的阻抗带宽分别为320 MHZ和450 MHZ。全向辐射方向图、改进的圆极化、小尺寸和低交叉极化使该天线特别适用于车载无线通信网络。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Circularly polarized dual band micro strip patch antenna for vehicular wireless network communications

A circularly polarized dual band micro strip patch antenna for vehicular wireless communication at 2.45 GHz and 5.5 GHz is designed and studied its performance. To obtain the circular polarization, slots have been introduced at the sides of the rectangular patch. Axial Ratio bandwidth of 700 MHz and 230 MHz at lower (1.9 GHz-2.6 GHz) and higher (5.4 GHz-5.63 GHz) frequency bands are observed using electromagnetic (EM) simulation tools. The proposed antenna gives 2.24 dB at 2.45 GHz and 4.97 dB gain at 5.5 GHz and impedance bandwidth of 320 MHZ at 2.4 GHz band and 450 MHz at 5 GHz band. Omnidirectional radiation pattern, improved Circular polarization, small dimensions and low cross polarization at both bands make this antenna particularly suitable for vehicular wireless communication networks.

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来源期刊

2014 IEEE International Conference on Advanced Networks and Telecommuncations Systems (ANTS)

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