arxiveess.SP2026-06-27
A Survey of Physical-layer Authentication Enhanced by Emerging Spatial Domain Technologies
Yuhao Chen, Boxiang He, Junshan Luo, Shilian Wang, Yiyan Ma, Hao Xu, et al.
This article surveys spatial-domain-enhanced Physical-layer Authentication (PLA), with Dual-polarized Antennas (DPA), Massive Multiple-Input Multiple-Output (MIMO), and Reconfigurable Intelligent Surfaces (RIS) as the primary focus. With the rapid growth of wireless deployments,…