Active 3D double-RIS-aided multi-user communications: two-timescale-based separate channel estimation via Bayesian learning
Double-reconfigurable intelligent surface (RIS) is a promising technique, achieving a substantial gain improvement compared to single-RIS techniques. However, in double-RIS-aided systems, accurate channel estimation is more challenging than in single-RIS-aided systems. This work solves the problem o...
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Main Authors: | Yang, Songjie, Lyu, Wanting, Xiu, Yue, Zhang, Zhongpei, Yuen, Chau |
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Other Authors: | School of Electrical and Electronic Engineering |
Format: | Article |
Language: | English |
Published: |
2023
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Subjects: | |
Online Access: | https://hdl.handle.net/10356/172075 |
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Institution: | Nanyang Technological University |
Language: | English |
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