Cooperative and cognitive non-orthogonal multiple access (CCR-NOMA) has been
recognized as a promising technique to overcome spectrum scarcity and massive …

Recently, non-orthogonal multiple access (NOMA)-enabled cognitive satellite-unmanned
aerial vehicle (UAV)-terrestrial networks have attracted extensive attention for the …

Unmanned aerial vehicles (UAVs) can be deployed as flying base stations (BSs) to leverage
the strength of line-of-sight connections and effectively support the coverage and throughput …

This paper studies the performance of unmanned aerial vehicle (UAV)-aided short-packet
non-orthogonal multiple access (NOMA) systems under imperfect channel state information …

Energy-saving techniques are vital for the battery-powered sensor devices (SDs), which
affect their lifetime. In this paper, we propose an air-and-ground cooperative wireless sensor …

Aerial-ground interference mitigation is a challenging issue in the emerging cellular-
connected unmanned aerial vehicle (UAV) communications. Due to the strong line-of-sight …

Recently, unmanned aerial vehicles (UAVs) have been used as flying base stations (BSs) to
take advantage of line‐of‐sight (LOS) connectivity and efficiently enable fifth‐generation …

Unmanned aerial vehicles (UAVs) have been widely used in the past few decades due to
their high maneuverability. This paper studies a downlink UAV air-ground wireless network …

Reconfigurable intelligent surface (RIS) is a promising technique that smartly reshapes
wireless propagation environment in the future wireless networks. In this paper, we apply …

This paper examines the downlink scenario of an unmanned aerial vehicle (UAV)-assisted
non-orthogonal-multiple-access (NOMA), where the UAV acts as a decode-and-forward half …