Coordinated Pilot Transmissions for Detecting the Signal Sparsity Level in Massive IoT Networks - Lopez, Onel L. A.; Brante, Glauber; Souza, Richard D.; Juntti, Markku; Latva-aho, Matti (IEEE transactions on communications, 2024)
Keywords: Channel estimation; compressed sensing; Data processing; Fading; Feature extraction; grant-free random access; Inference algorithms; Internet of Things; massive IoT; Matching pursuit algorithms; Mathematical analysis; Mud; multi-user detection; Multiuser detection; Networks; Random access; Random variables; signal sparsity level; Sparsity; Symbols