适用于灵活设备和以身体为中心的无线通信的正规三带天线
Wahaj Abbas Awan1, Anees Abbas1, Syeda Iffat Naqvi2
1Department of Information and Communication Engineering, Chungbuk National University, Cheongju 28644, Republic of Korea.
Micromachines
|October 28, 2023
概括
一个新的合规三带天线被设计用于灵活的设备和以身体为中心的无线通信. 它的特定吸收率 (SAR) 值很好地符合安全标准,确保安全运行.
科学领域:
- 电磁学和天线设计
- 无线通信工程 无线通信工程
- 生物医学工程 (SAR分析)
背景情况:
- 灵活的设备和以身体为中心的无线通信需要专门的天线.
- 现有的天线可能无法满足这些应用的符合性和多频段要求.
- 安全性,特别是特定吸收率 (SAR),是穿戴设备的关键问题.
研究的目的:
- 为灵活和以身体为中心的无线应用提出和描述一个符合规格的三带天线.
- 为了评估天线在各种配置中的性能,包括曲状态.
- 通过对其SAR值与监管标准进行分析来评估天线的安全性.
主要方法:
- 在薄薄的罗杰斯RT 5880基板上设计和制造一个合规天线.
- 使用一个截断的角单极,有分支的头,由共平面波导供应,用于多频段操作.
- 在平坦和曲状态下调查天线的符合性和辐射特性.
- 使用四层人体组织模型进行SAR分析.
主要成果:
- 该天线有效运行在2.45,3.5和5.8 GHz.
- 研究了符合性,证明了适用于灵活设备的适用性.
- 测量的SAR值明显低于FCC和欧盟的安全限值 (1.48W/kg用于2.45GHz的1g,0.62W/kg用于5.8GHz的10g).
结论:
- 拟议的合规三带天线适用于灵活的设备和以身体为中心的无线通信.
- 该天线满足多频段运行需求,并显示出出色的符合性.
- 天线的SAR性能确保符合国际安全法规.
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