1.华南理工大学电子与信息学院,广东广州 510640
2.福耀玻璃工业集团股份有限公司,福建福州 350300
3.广州福耀玻璃有限公司,广东广州 511340
4.华南理工大学未来技术学院,广东广州 510641
5.华南理工大学微电子学院,广东广州 511442
6.人工智能与数字经济广东省实验室(广州),广东广州 510335
张柏豪 男,2001年10月出生于吉林省吉林市。现为华南理工大学电子与信息学院硕士研究生。主要研究方向为智能网联汽车车载玻璃天线及其抗表面波技术。E-mail: ee202321012489@mail.scut.edu.cn
陈志兴 男,1983年2月出生于湖南省岳阳市。现为福耀玻璃工业集团股份有限公司汽玻工程院副院长。主要研究方向为终端天线、基站天线及无源元件。E-mail: zhixing.chen@fuyaogroup.com
周文骏 男,1990年4月出生于江苏省无锡市。现为华南理工大学电子与信息学院博士研究生。主要研究方向为智能网联汽车车载玻璃天线。中国电子学会会员编号:E190181632A。E-mail: eezwjzhou@mail.scut.edu.cn
张劭 男,1984年10月出生于湖南省衡阳市。现为福耀玻璃工业集团股份有限公司智能网联研发部广州天线研发所所长。主要研究方向为玻璃天线、基站天线和终端天线。E-mail: shao.zhang@fuyaogroup.com
邓固颖 男,1997年1月出生于湖南省永州市。现为华南理工大学电子与信息学院博士后。主要研究方向为全息天线、超表面、电磁算法及其应用。中国电子学会会员编号:E190181627M。E-mail: dengguying@scut.edu.cn
区俊辉 男,1990年7月出生于广东省广州市。现为华南理工大学未来技术学院副教授、博士生导师。主要研究方向为智能通信、微波智能无线充电(能量信息同传)、射频天线与电路设计。中国电子学会会员编号:E190188468M。E-mail: oujunhui@scut.edu.cn
苏华峰 男,1983年10月出生于海南省儋州市。现为人工智能与数字经济广东省实验室(广州)副研究员。主要研究方向为终端天线、基站天线及全息超表面天线。中国电子学会会员编号:E190033676M。E-mail: huafeng.su@pazhoulab.cn
章秀银 男,1978年12月出生于湖北省广水市。现为华南理工大学微电子学院教授、博士生导师。主要研究方向为天线、射频集成电路、射频组件及子系统、智能无线通信与传感技术。中国电子学会会员编号:E190011182F。E-mail: eexyz@scut.edu.cn
收稿:2026-04-28,
录用:2026-05-25,
纸质出版:2026-06-25
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张柏豪, 陈志兴, 周文骏, 等. 具有抗表面波特性的宽带高效率透明车载玻璃天线分析与设计[J]. 电子学报, 2026, 54(06): 2692-2705.
ZHANG Baihao, CHEN Zhixing, ZHOU Wenjun, et al. Analysis and Design of Wideband High-Efficiency Transparent Vehicular Glass Antenna with Surface Wave Self-Cancelling[J]. Acta Electronica Sinica, 2026, 54(06): 2692-2705.
张柏豪, 陈志兴, 周文骏, 等. 具有抗表面波特性的宽带高效率透明车载玻璃天线分析与设计[J]. 电子学报, 2026, 54(06): 2692-2705. DOI:10.12263/DZXB.20260364
ZHANG Baihao, CHEN Zhixing, ZHOU Wenjun, et al. Analysis and Design of Wideband High-Efficiency Transparent Vehicular Glass Antenna with Surface Wave Self-Cancelling[J]. Acta Electronica Sinica, 2026, 54(06): 2692-2705. DOI:10.12263/DZXB.20260364
面向智能网联汽车的4G/5G通信的新需求,本文提出了一种具有抗表面波功能的宽带高效率透明玻璃天线设计方法。车载玻璃的大尺寸和高介电常数特性容易使天线激励起强烈表面波,大量电磁波无法有效地辐射到自由空间中,导致天线辐射效率下降和方向图畸变,而鲜有研究工作对表面波问题进行深入探究。针对这一难题,本文深入分析呈奇对称分布电流的辐射特性,发现其激励的表面波会在垂直电流的方向上反相抵消,由此推出,
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方向连续且奇对称分布的电流在大尺寸车载玻璃上的表面波电磁场相互抵消,从而抑制表面波传播。基于此,分析阶梯式圆柱玻璃天线的电磁场特性,揭示其
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模式在大尺寸车载玻璃分界面上的电流呈现
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方向连续且奇对称分布的特性,因此具有天然的抗表面波特性,从而在高介电常数的大尺寸车载玻璃中实现高效率的天线辐射。此外,阶梯式圆柱玻璃天线的
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模式辐射特性等效于垂直水平面的单极子天线,具有垂直极化特性和水平全向的辐射能力。在此基础上,采用同轴探针馈电阶梯式玻璃谐振器以仅激励
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模式,并根据玻璃天线的电场分布特性,从下到上逐层调控圆柱体玻璃尺寸,能够同时优化天线的输入阻抗实部与虚部,使得输入阻抗实部向50 Ω靠近,虚部趋近于零。一方面,探针与玻璃天线的匹配性能得到改善,天线的阻抗带宽由此得到提升;另一方面,通过减少被束缚在近场的能量并转换为远场辐射,使得天线的平均辐射效率绝对值也得到增加。采用透明的蓝宝石玻璃谐振器、介质基板和导电薄膜组装车载玻璃天线,完成天线的透光性设计。将透明的阶梯式玻璃天线应用于模拟的车顶天幕玻璃场景中进行仿真和实测,天线工作频段覆盖1.56 GHz~4.16 GHz,相对带宽达到90.9%,带内辐射效率高于80%,平均增益为3.9 dBi。同时,天线实现了垂直极化和水平全向辐射的性能且交叉极化大于15 dB,辐射方向图没有受到表面波的干扰而出现波纹或凹坑,且天线具有良好的透光性能。实验结果证明天线可以布设于车辆的大尺寸天幕玻璃上,具有实际的应用价值。
In response to the new demands of 4G/5G communication for intelligent connected vehicles
this paper proposes a design for a wideband high-efficiency transparent glass antenna with surface wave self-cancelling function. The large size and high dielectric constant of the vehicular glass make it easy for the antenna to excite strong surface waves. A large number of electromagnetic waves cannot be effectively radiated into free space
resulting in a decrease in antenna radiation efficiency and distortion of the radiation pattern. However
few research works have conducted in-depth studies on the surface wave issue. To address this challenge
this paper conducts an analysis of the radiation characteristics of current with an odd symmetric distribution. It is discovered that the surface waves excited by this current will cancel each other out in the opposite direction of the current. Therefore
it can be concluded that the surface wave fields of the current that is continuous and odd-symmetric in the
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direction on the large-sized vehicle glass mutually cancel each other out
thereby suppressing the surface waves. Based on this
the electromagnetic field characteristics of the stepped cylindrical glass antenna are analyzed
revealing that the current of the
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mode in the stepped cylindrical glass antenna at the interface of the large-sized vehicular glass presents a continuous and odd-symmetric distribution in the
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direction. Therefore
it has surface wave self-cancelling characteristics
and thus realizes high radiation efficiency in t
he high dielectric constant large-sized vehicular glass. In addition
the radiation characteristics of the
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mode of the stepped cylindrical glass antenna are equivalent to that of a monopole antenna in the vertical horizontal plane
having vertical polarization and horizontal omnidirectional radiation capability. On this basis
a probe-fed stepped glass resonator is adopted to excite only the
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mode. According to the electric field distribution characteristics of the glass antenna
by adjusting the size of the cylindrical glass from bottom to top
the real part and the imaginary part of the antenna’s input impedance can be simultaneously optimized. The real part of the
input impedance approaches 50 ohms
and the imaginary part approaches zero. On the one hand
the matching performance between the probe and the glass antenna has been improved
and as a result
the impedance bandwidth of the antenna has increased. On the other hand
by reducing the energy trapped in the near field and converting it into far-field radiation
the absolute value of the average radiation efficiency increases. Using transparent sapphire glass resonators
dielectric substrates and conductive films
a vehicular glass antenna is assembled to complete the light-transmitting design of the antenna. The transparent stepped glass antenna is applied to the simulated roof glass scenario for simulation and measurement. The antenna’s frequency band covers 1.56 GHz~4.16 GHz
with a relative bandwidth of 90.9%. The in-band radiation efficiency is higher than 80%
and the average gain is 3.9 dBi. Meanwhile
the antenna achieves vertical polarization and horizontal omnidirectional radiation performance
with cross-polarization greater than 15 dB. The radiation pattern
which shows no ripples or pits
is not disturbed by surface waves
and the antenna has good translucent performance. The experimental results demonstrate that the antenna can be installed on the large-sized glass of vehicles and has practical application value.
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