Wireless communications empowered by reconfigurable intelligent surfaces: Model-based vs model-free channel estimation

Wireless communications empowered by reconfigurable intelligent surfaces: Model-based vs model-free channel estimation

Reconfigurable intelligent surfaces (RISs) are lately being attractive for their great potential in future sixth generation wireless communications (6G), which is attributed to their affordable energy consumption and easy integration. However, the large numbers of low-cost reflecting elements compri...

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Bibliographic Details
Main Authors: Li Wei, Chongwen Huang, George C. Alexandropoulos, Ahmet M. Elbir, Zhaohui Yang, Zhaoyang Zhang, Marco Di Renzo, Mérouane Debbah, Chau Yuen
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2023-09-01
Series:Journal of Information and Intelligence
Subjects:
Reconfigurable intelligent surfaces
Channel estimation
Model-based methods
Model-free methods
Online Access:http://www.sciencedirect.com/science/article/pii/S2949715923000392
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