In this work, we examine the potential of reconfigurable intelligent surfaces (RISs) to
facilitate enhance uplink (UL) transmissions in grant-free non-orthogonal multiple access …

Quantum Annealing (QA) uses quantum fluctuations to search for a global minimum of an
optimization-type problem faster than classical computer. To meet the demand for future …

This paper considers a resource scheduling problem of a cooperative cognitive radio
network based on orthogonal frequency division multiplexing technology, in which primary …

Unmanned aerial vehicles have been applied and play a critical role in radio surveillance
because of their flexibility, mobility, and likely line-of-sight to ground destinations. Here …

We study a relay-based unmanned aerial vehicle (UAV) to serve secondary users in a hot-
spot area while taking practical considerations that directly impact the achievable network …

The integration of reconfigurable intelligent surfaces (RISs) and grant-free non-orthogonal
multiple access (GFNOMA) has emerged as a promising solution for enhancing spectral …

This paper introduces a reconfigurable intelligent surface (RIS)-assisted grant-free non-
orthogonal multiple access (GF-NOMA) scheme. We propose a joint user equipment (UE) …