Jie Ding 0001, Mahyar Nemati, Shiva Raj Pokhrel, Ok-Sun Park, Jinho Choi 0001, Fumiyuki Adachi. Enabling Grant-Free URLLC: An Overview of Principle and Enhancements by Massive MIMO. IEEE Internet of Things Journal, 9(1):384-400, 2022. [doi]
Abstract is missing.