Energy efficiency has a significant importance to optimize the wireless communications
systems by providing high data rates. In order to develop energy efficient systems, one of the …

Device-to-device (D2D) communication is proposed as a vital technology to increase the
system capacity and spectral efficiency, while reducing the latency and energy consumption …

For the high density of users and accompanying network service requirements in the cellular
system, Device-to-Device (D2D) communication is a promising technology to cope with the …

In this work, we consider the device-to-device (D2D) communications underlaying cellular
networks to support local communication needs. In particular, we focus our attention on the …

Device-to-device (D2D) communication underlay cellular networks is a promising technique
to improve spectrum efficiency. In this situation, D2D transmission may cause severe …

Device‐to‐device (D2D) communication underlaying cellular networks can improve the
spectrum efficiency as a result of sharing the radio resources allocated to cellular user …

Multi-hop D2D communication has been proposed with the purpose of improving the
coverage, quality of service (QoS), and flexibility and adaptability of single-hop D2D …

Fifth-generation (5G) cellular networks are being developed to meet the ever-growing data
traffic across mobile devices and their applications. The core of 5G cellular networks is …

In this paper, we consider downlink resource allocation of a cellular user to group of device-
to-device (D2D) communication pair to enhance the overall system throughput and achieve …

Deploying device-to-device (D2D) communication over underlaying cellular network can
significantly enhance the spectrum utilization. However, co-channel interference will occur …