Reconfigurable Intelligent Surface for Massive Connectivity: Joint Activity Detection and Channel Estimation - Xia, Shuhao; Shi, Yuanming; Zhou, Yong; Yuan, Xiaojun (IEEE transactions on signal processing, 2021)
Keywords: Algorithms; approximate message passing; Bayesian analysis; Channel estimation; Channels; Connectivity; Convergence; Data transmission; Device activity detection; Devices; Estimation; Gaussian distribution; Grammar; Internet of Things (IoT); massive machine-type communications (mMTC); Message passing; reconfigurable intelligent surface; Reconfigurable intelligent surfaces; Sequences; Series expansion; Signal processing algorithms; Sparse matrices; Sparsity; Statistical inference; Taylor series; Uniform resource locators