高效率双频带双圆极化传输阵列天线
Tianling Zhang1, Boxiang Yang2, Jiayin Guo3
1School of Electronic Engineering, Xidian University, Xi'an 710071, China.
Micromachines
|March 27, 2025
概括
本研究介绍了一种用于5G毫米波应用的双频发射阵列天线. 拟议的天线在28/39 GHz频段实现了高收益和高效率.
科学领域:
- 电气工程 电气工程
- 天线理论天线理论
- 毫米波技术技术 毫米波技术
背景情况:
- 第五代 (5G) 无线通信系统需要用于毫米波 (mmWave) 频率的高性能天线.
- 双带操作对于毫米波应用的灵活性和容量至关重要.
- 传输阵列天线为光束成形和高收益应用提供平面和可扩展的解决方案.
研究的目的:
- 提出和演示一种新的双频,双循环极化传输阵列天线 (TA).
- 为了实现5G毫米波系统在28GHz和39GHz频段的高效运行.
- 通过模拟和实验测量来验证设计.
主要方法:
- 发射阵列单元单元的设计包括一个宽带线性偏振 (LP) 接收部分和一个双带双循环偏振的发射部分.
- 使用U形槽尺寸和接收部分旋转实现超过2位的相位补偿.
- 24x24 TA 阵列的制造和测量,其光圈尺寸为 88.8 mm x 88.8 mm,由宽带波纹喇天线供电.
主要成果:
- 模拟的最大增益为26.28dBic (26.5-29.5GHz) 和27.4dBic (37-40GHz).
- 测量的最大效率为53.56% (低频段) 和42.89% (高频段).
- 经过证明的双频段 (28/39 GHz) 操作适用于5G毫米波.
结论:
- 拟议的发射阵天线有效地覆盖了28/39 GHz频段,用于5G毫米波应用.
- 该设计具有低成本,高增益和高效率等优势.
- 实验验证证证实了模拟的准确性和天线的实际可行性.
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