The future generation of wireless communication networks demands for high spectral
efficiency to accommodate a large number of devices over the limited available frequency …

We investigate the resource allocation and relay selection in a two-hop relay-assisted multi-
user orthogonal frequency division multiple access (OFDMA) network, where the end-nodes …

Non-orthogonal multiple access (NOMA) is envisioned as a promising technology that
enhances the spectrum efficiency for future cellular networks. On the other hand, there is a …

In recent years, the concept of non-orthogonal multiple access (NOMA) has gathered much
attention due to its potential to offer high spectral efficiency, present user fairness and grant …

The energy harvesting cognitive radio networks (EH-CRNs) are expected to play a key role
in satisfying the demands of next generation wireless communications. In the underlay CRN …

In wireless sensor networks, energy harvesting is developed as an effective way to solve
energy drain problem of nodes which powered by battery, just like that cooperative …

Enabling multiple users to transmit on the same channel, simultaneously, is an essential part
of the future generation of communication systems. Optimization of transmit power has a …

Internet of Things (IoT) is an emerging technology that will change our daily life. However,
due to the size limitation, most of them cannot be equipped with a large battery to support …

This paper investigates the problem of relay selection in simultaneous wireless information
and power transfer network, where the relay nodes can harvest energy from received radio …

To achieve a high reliable and energy-saving green communication, we investigate a
multisource simultaneous wireless information and power transfer (SWIPT)-based coded …