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About this paper
Yong Zeng, Junting Chen, Jie Xu, Di Wu, Xiaoli Xu, Shi Jin, Xiqi Gao, David Gesbert and 2 more
The tutorial explains channel knowledge maps (CKMs), site-specific databases linking locations to channel information, as a way to reuse radio-environment knowledge rather than rely only on repeated live measurements. It reviews map construction and beamforming uses. A reported prototype found CKM-based beam alignment comparable to exhaustive sweeping over 4,096 beam pairs and better than location-only alignment in tested scenarios, not across all networks or environments.
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