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cs.IT2021
Long-Term CSI-based Design for RIS-Aided Multiuser MISO Systems Exploiting Deep Reinforcement Learning
Hong Ren, Cunhua Pan, Liang Wang +2
In this paper, we study the transmission design for reconfigurable intelligent surface (RIS)-aided multiuser communication networks. Different from most of the existing contributio…
cs.IT2021
Joint Optimization of Preamble Selection and Access Barring for Random Access in MTC with General Device Activities
Wang Liu, Ying Cui, Feng Yang +2
Most existing random access schemes for machine-type communications (MTC) simply adopt a uniform preamble selection distribution, irrespective of the underlying device activity dis…
cs.IT2021
Joint Optimization of Preamble Selection and Access Barring for MTC with Correlated Device Activities
Wang Liu, Ying Cui, Lianghui Ding +4
Most existing works on random access for machine-type communication (MTC) assume independent device activities. However, in several Internet-of-Things (IoT) applications, device ac…