Wideband and high-gain BeiDou antenna with a sequential feed network for satellite tracking

Zhuolin DENG; Zhongyu TIAN; Chenhe DUAN; Pei XIAO; Zhu LIU; Gaosheng LI

doi:10.1631/FITEE.2200244

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Wideband and high-gain BeiDou antenna with a sequential feed network for satellite tracking

Regular Papers | Updated：2023-10-25

- Wideband and high-gain BeiDou antenna with a sequential feed network for satellite tracking
- 用于卫星跟踪的加载顺序馈电网络的宽带高增益北斗天线
- Frontiers of Information Technology & Electronic Engineering Vol. 24, Issue 10, Pages: 1471-1481(2023)
- Affiliations：
  
  1.College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
  2.School of Physics and Electronics, Hunan Normal University, Changsha 410082, China
- Author bio：
  
  ‡Corresponding author
- Funds：
- DOI：10.1631/FITEE.2200244
  CLC： TN967.1
- Received：05 June 2022，
  
  Revised：2022-09-09，
  
  Published：0 October 2023
- Accepted：
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Zhuolin DENG, Zhongyu TIAN, Chenhe DUAN, et al. Wideband and high-gain BeiDou antenna with a sequential feed network for satellite tracking[J]. Frontiers of Information Technology & Electronic Engineering, 2023, 24(10): 1471-1481.
DOI：

Zhuolin DENG, Zhongyu TIAN, Chenhe DUAN, et al. Wideband and high-gain BeiDou antenna with a sequential feed network for satellite tracking[J]. Frontiers of Information Technology & Electronic Engineering, 2023, 24(10): 1471-1481. DOI： 10.1631/FITEE.2200244.

摘要

北斗三号卫星导航系统于2020年正式启用，为全球人民带来高性能服务的同时，导航系统也对北斗天线的设计提出更高要求。本文提出一种宽带圆极化高性能北斗天线。该天线通过四端口顺序馈电网络实现宽带圆极化辐射，馈电网络从1.05 GHz到1.80 GHz的相位不平衡度小于7°。制造的天线在整个全球导航卫星系统（GNSS）频带上的回波损耗大于13 dB，轴比

3 dB，右旋圆极化增益（RHCP）在GNSS低频段大于4 dB，在高频段可达7.1 dB以上。本文天线尺寸为120 mm×120 mm×20 mm，即0.54

×0.54

×0.09

，其中

是中心频率波长。设计的天线连接到GNSS接收机上搜索到12颗北斗卫星，GNSS信号的信噪比（

C/N

）大于30 dB。这种高性能天线将为人们提供高质量的定位服务。

Abstract

BeiDou-3 navigation satellite system was officially opened in 2020. While bringing high-performance services to people around the world

the navigation system requires well-designed BeiDou antennas. In this paper

we propose a wideband circularly polarized high-performance BeiDou antenna. The antenna realizes wideband circularly polarized radiation through a four-port sequential feed network

and the phase imbalance of the feed network from 1.05 to 1.80 GHz is less than 7°. The manufactured antenna demonstrates a return loss of more than 13 dB and an axial ratio

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3 dB over the entire global navigation satellite system (GNSS) frequency band. The right-handed circular polarization (RHCP) gain of the proposed antenna is greater than 4 dB in the GNSS low-frequency band and can reach more than 7.1 dB in the high-frequency band. Dimension of the proposed antenna is 120 mm×120 mm×20 mm

i.e.

0.54

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2.62466669

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https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=49144160&type=

2.62466669

3.21733332

where

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is the wavelength of the center frequency. The proposed antenna connected to a GNSS receiver has tracked 12 BeiDou satellites with

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ratios of GNSS signals greater than 30 dB. Such a high-performance antenna provides a basis for high-quality positioning services.

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references

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