… codebook based on star-QAM signalling … HARQ scheme increases the throughput and
reduces the latency by 20.21% and 24.69% compared with the SCMA with traditional HARQ …

… RedCap UE, by modifying the PUCCH repetition for HARQ and the DMRS bundling for
PUSCH, and for IoT NTN by disabling the HARQ feedback; ii. to integrate the use of Global …

… by multiple base stations, giving rise to “star-of-stars” topology, and hence improves the …
and the Hybrid Automatic Repeat Request (HARQ) protocol with information about the situation …

… multiple access (C-NOMA) heterogeneous air-ground inte… Deep risk-sensitive reinforcement
learning[6] models the … introducing risk assessment to optimize latency and reduce risk…

… In [22], [23], the authors studied a hybrid automatic repeat request (HARQ) scheme for URLLC
systems. … The red star is the optimal solution located at the boundary of the feasible set V. …

… access (NOMA) system with … NOMA system, and provided a scheme to increase connectivity
and reduce time delay. At the same time, the author in [19] investigated the downlink NOMA …

… Non-orthogonal multiple access (NOMA) is introduced to an UAV-assisted URLLC … delay,
queuing delay, the round-trip delay of a HARQ re-transmission, and the packet decoding and …

… [32] use RL to reduce the mean decoding error probability in time-varying uplink NOMA-…
for simultaneously transmitting and reflecting (star) ris assisted noma systems. IEEE Trans Wirel …

… To address these challenges, Hybrid ARQ (HARQ) is adopted in both the former case [20],
[60]–[67] and the latter case [68]–[72]. HARQ is a combination of ARQ and FEC. These …

… can be found during risk assessment, where sufficient safety function for risk is asserted. …
The second technical improvement is fast HARQ Retransmission. For the HARQ delay, most of it …