Smart cities are developed to optimize operations across the city such as waste and traffic
management, water supply management, criminal tracking, and pollution monitoring, etc …

With the rapid growth of Internet of Things (IoT) devices around the world, thousands of
mobile users share many data with each other daily. IoT communication has been …

With the rapid growth of smartphone and tablet users, Device-to-Device (D2D)
communications have become an attractive solution for enhancing the performance of …

D2D communications facilitate proximal devices to directly communicate with each other,
bypassing cellular base stations or access points, and bring many benefits such as …

Abstract Device-to-Device (D2D) communications have emerged as a promising technology
for the next generation mobile communication networks and wireless systems (5G). As an …

Device-to-Device (D2D) is a major part of 5G that will facilitate deployments with extended
coverage where devices can act as users or relays. These relays normally act as decode …

Abstract Internet of Things (IoT) is a developing technology in our time that is prone to
security problems as it uses wireless and shared networks. A challenging scenario in IoT …

Abstract 5G cellular network is becoming a preferred communication network for deployment
of the Internet of Things (IoT), due to its high speed, better connectivity, increased …

Abstract Device-to-device (D2D) communication is one of the promising features in 5G
cellular networks. However, there are also new security challenges such as mutual …

In this paper, we consider network assisted device-to-device (D2D) communication between
two user equipments (UEs) in a cellular network. For the scenario, when both the UEs are in …