使用波束成形和贝塞尔波束进行子特拉赫兹近场通道测量和分析
Duschia Bodet1, Vitaly Petrov2, Sergey Petrushkevich3
1Department of Electrical and Computer Engineering and Institute for the Wireless Internet of Things, Northeastern University, Boston, MA, 02115, USA. bodet.d@northeastern.edu.
Scientific reports
|August 24, 2024
概括
低于特拉赫兹的无线系统面临着近场传播的挑战. 贝塞尔束为未来的6G网络提供了比传统方法更好的性能.
科学领域:
- 电气工程 电气工程
- 无线通信无线通信
- 电磁学 电磁学 电磁学 电磁学
背景情况:
- 低于特拉赫兹 (100-300 GHz) 的频率对于超越5G无线网络至关重要,可实现高速数据和传感.
- 在子特拉赫兹系统中近场传播偏离标准远场模型,影响系统效率.
- 目前4G/5G的光束成形技术在近场环境中效果较差.
研究的目的:
- 准确测量和分析近场子特拉赫兹频道.
- 为了评估近场特定贝塞尔束的性能,与传统的束形相比.
- 为6G及以后的下一代通道模型开发提供参考数据.
主要方法:
- 准确测量近场子特拉赫兹频道.
- 使用最先进的光束成形技术对子特拉赫兹频道测量的分析.
- 评估近场特定的贝塞尔束用于子特拉赫兹通信.
主要成果:
- 近场传播表现出复杂的模式,远场模型无法捕捉到.
- 贝塞尔光束显示了功率波动的减少和近距离领域的更高的聚焦效益.
- 在近场子特拉赫兹频道中确定了新的距离和角度中心依赖性.
结论:
- 近场通道特征需要为子特拉赫兹系统进行专门的建模.
- 贝塞尔束显示出对高效的近场子特拉赫兹通信的承诺.
- 这些发现将为未来无线世代 (6G及以后) 的通道模型的开发提供信息.
相关概念视频
01:30Electromagnetic Fields
Electric fields generated by static charges, often referred to as electrostatic fields, are characteristically different from electric fields created by time-varying magnetic fields. While the former is a conservative field, implying that no net work is done on a test charge if it goes around in a complete loop in the field, the latter is, by definition, not a conservative field; net work is done, and it is proportional to the rate of change of magnetic flux.
However, the observation of Gauss's...
However, the observation of Gauss's...
01:27Polar Coordinates: Problem Solving
Directional radiation patterns are central to antenna analysis, as they illustrate how signal strength varies with direction. These patterns are often modeled using polar plots, where the radial distance from the origin represents signal intensity at a given angle. A commonly used idealized form is the four-lobed rose curve, which captures the concept of directional beams in a simplified mathematical form.The four-lobed rose curve, described by r = cos(2θ), features four symmetric lobes, each...