Leaky-Wave Antenna based on Half-Mode Substrate Integrated Waveguide with Large Scanning Range

BAI Yu-kun; SUN Shi-en

doi:10.13756/j.gtxyj.2020.05.012

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Leaky-Wave Antenna based on Half-Mode Substrate Integrated Waveguide with Large Scanning Range

- Leaky-Wave Antenna based on Half-Mode Substrate Integrated Waveguide with Large Scanning Range
- Study on Optical communication Issue 5, Pages: 50-53(2020)
- 作者机构：
  
  天津理工大学电气电子工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2020.05.012
  CLC： TN822.6
- Published：2020，
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[1]白育堃,孙世恩.基于半模基片集成波导的宽角扫描漏波天线[J].光通信研究,2020(05):50-53+78.

BAI Yu-kun, SUN Shi-en. Leaky-Wave Antenna based on Half-Mode Substrate Integrated Waveguide with Large Scanning Range. [J]. (5):50-53(2020)
[1]白育堃,孙世恩.基于半模基片集成波导的宽角扫描漏波天线[J].光通信研究,2020(05):50-53+78. DOI： 10.13756/j.gtxyj.2020.05.012.

BAI Yu-kun, SUN Shi-en. Leaky-Wave Antenna based on Half-Mode Substrate Integrated Waveguide with Large Scanning Range. [J]. (5):50-53(2020) DOI： 10.13756/j.gtxyj.2020.05.012.

摘要

针对传统的半模基片集成波导漏波天线存在开放边界处能量泄露以及无法进行连续波束扫描的问题

文章提出了一种带有折叠接地面的半模基片集成波导漏波天线。通过在波导表面周期性加载具有横向与纵向缝隙的辐射单元

抑制了侧向辐射的开放阻带效应

使得天线能够实现从后向至前向的连续波束扫描。该天线可在9～13 GHz的工作频段内实现-51～24°

总计75°的宽角度波束扫描

实际测量的增益范围在6.9～12.3 dBi之间。由于波导的开放边界处设置了金属化通孔阵列

使得天线增益明显提高。相比以往报道的同类型天线

文章提出的天线具有更大的波束扫描范围与扫描灵敏度

该天线可应用于无线通信和波束扫描雷达系统中。

Abstract

Aiming at the problems of energy leakage at the open boundary and the failure of continuous beam scanning in the traditional half-mode substrate integrated waveguide leaky-wave antenna

a half-mode substrate integrated waveguide leaky wave antenna with folded ground plane is proposed. By periodically loading radiation elements of transverse and longitudinal slots on the surface of the half-mode substrate integrated waveguide

the open stopband effect of the broadside radiation is suppressed

enabling the antenna to achieve continuous beam scanning from backward to forward. The operating frequency band of the antenna is 9～13 GHz

achieving a wide beam scanning range from-51 to 24 °

namely 75 ° in total. The actual measured gain range is between 6.9～12.3 dBi. Since the metal vias array is arranged at the open boundary of the half-mode substrate integrated waveguide

the gain can be significantly improved. Compared with the same type of antennas previously reported

the proposed antenna exhibits a larger beam scanning range and higher scanning sensitivity. The antenna has the potential to be applied in wireless communication and beam scanning radar systems.

关键词

无线通信波束扫描基片集成波导漏波天线

Keywords

wireless communicationbeam scanningsubstrate integrated waveguideleaky-wave antennas

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