Dual polarized circular microstrip space-fed antenna array design with high isolation and broad bandwidth

2012 International Conference on Devices, Circuits and Systems (ICDCS) Pub Date : 2012-03-15 DOI:10.1109/ICDCSYST.2012.6188743

P. Mishra, G. Kumar

引用次数: 1

Abstract

This paper presents a novel approach to design dual polarized antenna with high isolation and broad bandwidth using space-fed antenna arrays. The three layer stacked configuration is used for the antenna array design. Space-fed antenna array design removes the complexity and losses of the feed networks and achieves better efficiency. FR4 substrate of εr = 4.4, tan δ = 0.02 and h = 1.6 mm is used for low cost antenna design. The antenna is designed for 5.8 GHz frequency band. Antenna design is simulated using IE3D software and results are presented. Antenna isolation of better than 30 dB between two orthogonal ports and cross-polar level less than 40 dB has been achieved. The VSWR<;2 bandwidth is 13% and maximum antenna gain is 11.8 dBi. This antenna array can be extended to higher gain antenna design.

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高隔离宽带宽双极化圆微带空馈天线阵列设计

提出了一种利用空馈天线阵列设计高隔离、宽带宽双极化天线的新方法。天线阵列设计采用三层堆叠结构。空间馈电天线阵的设计消除了馈电网络的复杂性和损耗，提高了馈电网络的效率。采用εr = 4.4, tan δ = 0.02, h = 1.6 mm的FR4衬底进行低成本天线设计。天线设计在5.8 GHz频段。利用IE3D软件对天线设计进行了仿真，并给出了仿真结果。实现了两个正交端口之间的天线隔离优于30 dB，交叉电平小于40 dB。VSWR< 2带宽为13%，最大天线增益为11.8 dBi。这种天线阵列可以扩展到更高增益的天线设计。

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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2012 International Conference on Devices, Circuits and Systems (ICDCS)

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