While fifth-generation (5G) communications are being rolled out worldwide, sixth-generation
(6G) communications have attracted much attention from both the industry and the …

Reconfigurable intelligent surfaces (RISs) and nonorthogonal multiple access (NOMA) have
been recognized as key enabling techniques for the envisioned sixth generation (6G) of …

As a key important approach for next generation communication systems, Non-Orthogonal
Multiple Access (NOMA) has made high attention in the wireless communication. NOMA …

Increasing number of devices connected to the networks, applications and demands of new
generation wireless communications cause very high energy consumption resulting in large …

Unmanned aerial vehicles (UAVs) are anticipated to be integrated into the next generation
wireless networks as new aerial mobile nodes, which can provide various live streaming …

The next generation Internet of Things (IoT) exhibits a unique feature that IoT devices have
different energy profiles and quality of service (QoS) requirements. In this paper, two energy …

Energy self-sustainability is critically important for future Internet of Things (IoT) networks to
support an ever-growing massive number of wireless devices with low maintenance cost …

Non-orthogonal multiple access (NOMA) has recently been employed into millimeter wave
(mmWave) beamspace MIMO to further improve connection density and spectrum efficiency …

In this paper, we address the problem of energy consumption associated with mixed signal
components such as analog-to-digital components in millimeter-wave (mmWave) massive …

Intelligent reflecting surface (IRS) is regarded as a promising technology because it can
achieve higher passive beamforming gain. In particular, the IRS assisted simultaneous …