摘要
设计了一种用于用户端设备 (CPE) 且工作在2G/3G/4G/IMT/5G频段的小型化超宽带交叉振子天线. 单个交叉振子的双臂由阶梯型枝节组成, 天线的带宽不但能够通过选择阶梯型枝节的阶数来控制, 还可以通过延伸枝节末端来展宽. 偶极子通过连接在同轴线上的微带枝节来馈电. 此外, 通过在交叉振子下方增加开缝的寄生贴片, 天线整体的带宽能够扩展到5G sub-6 GHz频段. 此外, 对天线结构进行了加工和测试. 结果表明天线的10 dB相对带宽为147.3 % (0.77–5.07 GHz), 双端口之间的隔离度优于20 dB.
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Acknowledgements
We would like to thank Kun LI from Huawei Technologies Co., Ltd. for his helpful suggestion and great support.
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Jingli GUO and Lun CUI designed the research. Lun CUI drafted the manuscript. Jingli GUO, Ying LIU, Baohua SUN, and Xiaofeng LI helped organize the manuscript. Jingli GUO and Lun CUI revised and finalized the paper.
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Jingli GUO, Lun CUI, Ying LIU, Baohua SUN, and Xiaofeng LI declare that they have no conflict of interest.
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Project supported by the National Natural Science Foundation of China (No. 61771395) and the Natural Science Basic Research Plan in Shaanxi Province, China (No. 2018JM6085)
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Guo, J., Cui, L., Liu, Y. et al. A compact ultra-wideband crossed-dipole antenna for 2G/3G/4G/IMT/5G customer premise equipment applications. Front Inform Technol Electron Eng 23, 339–345 (2022). https://doi.org/10.1631/FITEE.2000456
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DOI: https://doi.org/10.1631/FITEE.2000456