论文标题
使用极大的孔径阵列近场和多形
Near-Field Beamforming and Multiplexing Using Extremely Large Aperture Arrays
论文作者
论文摘要
可以通过无线访问点在空间多路复用的用户数取决于其天线阵列的光圈。当孔径增加和波长收缩时，可以利用“新”电磁现象来进一步增强网络容量。在本章中，我们描述了极大的孔径阵列（ELAA）如何将辐射近场区域扩展到公里距离。我们演示了这如何影响视线（LOS）场景中的传播模型，并实现有限的深度波束形成。特别是，可以同时为位于同一方向但距离不同的用户服务。
The number of users that can be spatially multiplexed by a wireless access point depends on the aperture of its antenna array. When the aperture increases and wavelength shrinks, "new" electromagnetic phenomena can be utilized to further enhance network capacity. In this chapter, we describe how extremely large aperture arrays (ELAA) can extend the radiative near-field region to kilometer distances. We demonstrate how this affects the propagation models in line-of-sight (LoS) scenarios and enables finite-depth beamforming. In particular, it becomes possible to simultaneously serve users that are located in the same direction but at different distances.
