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cs.IT2022
Low-Complexity Channel Estimation for Massive MIMO Systems with Decentralized Baseband Processing
Yanqing Xu, Bo Wang, Enbin Song +2
The traditional centralized baseband processing architecture is faced with the bottlenecks of high computation complexity and excessive fronthaul communication, especially when the…
cs.IT2022
CSI Sensing from Heterogeneous User Feedbacks: A Constrained Phase Retrieval Approach
Lei Li, Xing Zeng, Ya-Feng Liu +2
This paper investigates the downlink channel state information (CSI) sensing in 5G heterogeneous networks composed of user equipments (UEs) with different feedback capabilities. We…