高收益 CRLH 维瓦尔迪天线用于 Ku 频段通信系统的增强通道性能
Mustafa Mahdi Ali1,2, Enrique Márquez Segura3, Taha A Elwi4
1Telecommunication Research Institute (TELMA), E.T.S. Ingeniería de Telecomunicación, Universidad de Málaga, Malaga, Spain. mustafa_mahdi@uma.es.
Scientific reports
|March 12, 2026
概括
本研究介绍了一种用于车辆到一切 (V2X) 通信的紧天线,最大限度地降低侧叶水平和后叶水平,同时增强增益和带宽. 新型设计显著提高了可靠的高频系统的比特错误率和通道容量.
科学领域:
- 电磁和天线工程 电磁和天线工程
- 无线通信系统无线通信系统
- 用于射频应用的材料科学
背景情况:
- 现代通信系统,如车辆到一切 (V2X),需要具有优越增益和带宽的天线.
- 复合右/左手 (CRLH) 阵列具有潜力,但面临的挑战是增加尺寸,侧叶水平 (SLL) 和后叶水平 (BLL).
- 总内部反射是导致传统CRLH结构缺陷的一个关键现象.
研究的目的:
- 设计一个紧的天线系统,尽量减少SLL和BLL.
- 为了提高天线增益和带宽,用于先进的通信应用.
- 为高频通信系统提供可靠的天线解决方案.
主要方法:
- 集成一个CRLH阵列,利用希尔伯特和明科夫斯基分形单位细胞,与罗杰斯RT5880基板上的维瓦尔迪天线.
- 整合一个六角反射器来减轻SLL和BLL.
- 使用MATLAB进行比特错误率 (BER) 和通道容量 (CC) 分析的性能评估,以及基于电路理论和人工神经网络 (ANN) 衍生参数的S参数分析.
主要成果:
- 在2个子频段 (14.8-16 GHz和16.4-18 GHz) 的2.8 GHz总带宽下,在15.4 GHz实现了14.5 dBi的最大增益.
- 通过六角反射器将SLL降低到-10.6dB,BLL降低到-2.6dB.
- 与没有反射器的天线相比,BER降低了91.38%,CC提高了11.53%.
- 经过验证的模拟结果与伪造的天线测量结果,显示出极好的一致性.
结论:
- 拟议的紧天线设计有效地减少了SLL和BLL,同时提高了收益和带宽.
- 积分CRLH单元单元和六角反射器的集成在通信系统性能指标 (如BER和CC) 中提供了显著的改进.
- 该研究提供了一种经过验证和可靠的天线解决方案,用于要求高频通信应用,包括V2X.
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