Joint User Activity Identification and Channel Estimation for Grant-Free NOMA: A Spatial-Temporal Structure-Enhanced Approach

Liantao Wu, Peng Sun 0003, Zhibo Wang, Yang Yang 0001. Joint User Activity Identification and Channel Estimation for Grant-Free NOMA: A Spatial-Temporal Structure-Enhanced Approach. IEEE Internet of Things Journal, 8(15):12339-12349, 2021. [doi]

Abstract

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