… We first present the proposed HARQ procedure for a relay-based system where the
retransmission of erroneous packets is taken over by the relay node. Then we focus on latency and …

… , uplink RANOMA IoT networks with clustered IoT devices is studied, where short packet and
… Unlike conventional HARQ, in the proposed scheme, retransmission of a packet is served to…

… Automatic Repeat reQuest (HARQ) retransmission procedures in this GF-NOMA system. We
… Considering the small packets of mURLLC traffic, we set the packet transmission time Ttx as …

… In this thesis, the NOMA, NOMA-RA, and short-packet communications due to their advance
feature for supporting not only the low latency and higher reliability but also the massive …

… Moreover, HARQ provides more flexibility to control the type and amount of … as NOMA.
The ARQ system considered in this work consists of an IoT node that needs to send M packets …

… HARQ type-I, the system with HARQ type-II does not discard the previously erroneous packet(s)
… In other words, instead of simply repeating the packet as in HARQ type-I, in HARQ type-II …

… HARQ, and a transmission including reactive HARQ with … the transmission of short packets.
On the other hand, treating … In order to illustrate the possible gains of sparse NOMA with slot …

… tion of NOMA over its OMA counterparts in short-packet communications. … NOMA compared
to OMA is characterized in closed-form. Simulations verify the superior performance of NOMA …

… promising grantfree NOMA solutions with respect to synchronization and HARQ, and …
packets. Therefore, the ratio of the number of bits required for signaling to that for data packets …

… HARQ, if the initial transmission rate is higher than the achievable rate of channel, an HARQ
… 1, we consider a downlink NOMA short-packet communication system between a BS and K …