基于小型化的手机MIMO天线阵列在联合EMF中进行低SAR研究
Wen-Qi Hou1, Yu-Xin Li1, Ming-Fei Luo1
1Key Laboratory of Opto-Electronic Technology and Intelligent Control of Ministry of Education, Lanzhou Jiaotong University, Lanzhou, China.
PloS one
|January 14, 2026
概括
手机使用,特别是4G和5G,增加了电磁场 (EMF) 暴露. 这项研究表明,组合频率显著提高了用户的特定吸收率 (SAR),突出了潜在的安全问题.
科学领域:
- 电磁学 电磁学 电磁学 电磁学
- 人类暴露研究 人类暴露研究
- 移动通信技术 移动通信技术
背景情况:
- 移动电话媒体功能增加了使用时间,导致更高的电磁场 (EMF) 暴露.
- 传统的电磁场安全研究往往忽视了联合频率的影响,需要进一步量化公众暴露.
- 同时的4G和5G运行呈现了一个独特的EMF暴露场景.
研究的目的:
- 量化4G/5G手机同时使用的EMF暴露剂量.
- 评估组合电磁场对用户的影响.
- 研究小型化的手机多输入多输出 (MIMO) 天线阵列在降低特定吸收率 (SAR) 的有效性.
主要方法:
- 使用小型化的手机MIMO天线阵列作为辐射源.
- 建立了多功能人类模型来模拟实际的智能手机使用.
- 在单个和组合EMF场景下进行了系统SAR分析.
主要成果:
- 多频暴露导致 SAR 峰值在各种组织中比单频暴露高1.02至15.85倍.
- 证明小型化的MIMO天线阵列可以显著减少被吸收的SAR.
- 在4G和5G辐射组合下量化了增加的SAR.
结论:
- 与单个频率相比,联合4G/5G EMF暴露显著提高了用户的SAR.
- 微型的MIMO天线阵列在减轻SAR方面显示出希望.
- 需要进一步的研究,以确保公共安全与不断发展的移动通信技术.
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