Semi-grant-free (SGF) transmission has recently received significant attention due to its
capability to accommodate massive connectivity and reduce access delay by admitting grant …

Grant-free transmission is an important feature to be supported by future wireless networks
since it reduces the signaling overhead caused by conventional grant-based schemes …

Semi-grant-free (Semi-GF) non-orthogonal multiple access (NOMA) enables grant-free (GF)
and grant-based (GB) users to share the same resource blocks, thereby balancing the …

In this letter, an adaptive power allocation (APA) strategy is proposed for an uplink non-
orthogonal multiple access (NOMA) with semi-grant-free (SGF) transmission, where one …

In this paper, we consider a massive grant-free non-orthogonal multiple access (GF-NOMA)
scheme, where devices have strict latency requirements and no retransmission …

Non-orthogonal multiple access (NOMA) is a promising spectrally-efficient multiple access
technique for the fifth generation (5G) wireless networks. In this paper, we propose a …

Grant-free (GF) transmission holds promise in terms of low latency communication by
directly transmitting messages without waiting for any permissions. However, collision …

Non-orthogonal multiple access (NOMA) has a larger achievable sum rate than orthogonal
multiple access (OMA). This superiority is achieved via superposition coding (SC) and …

In this paper, we propose a cache-aided non-orthogonal multiple access (NOMA) scheme
for spectrally efficient downlink transmission. The proposed scheme not only reaps the …

Non-orthogonal multiple access (NOMA) is a promising technique for future mobile
communication systems, which can approach multiuser channel capacity by sharing the …