Small-cell architecture is widely adopted by cellular network operators to increase spectral
spatial efficiency. However, this approach suffers from low spectrum temporal efficiency …

Load balancing is an effective approach to address the spatial-temporal fluctuation problem
of mobile data traffic for cellular networks. The existing schemes that focus on channel …

The device-to-device load balancing (D2D-LB) paradigm has been advocated in recent
small-cell architecture design for cellular networks. The idea is to exploit inter-cell D2D …

This paper investigates how to enhance the energy and spectral efficiency (ESE)
performance of large-scale cellular networks by offloading mobile traffic with the aid of …

In this paper, we investigated the spectrum sharing problem for Device-to-Device (D2D)
communications in ultra-dense 5G cellular networks. We propose a simple method for D2D …

This paper addresses two fundamental and interrelated issues in device-to-device (D2D)
enhanced cellular networks. The first issue is how D2D users should access spectrum, and …

Mobile data traffic has been experiencing a phenomenal rise in the past decade. This ever-
increasing data traffic puts significant pressure on the infrastructure of state-of-the-art cellular …

Device-to-device (D2D) communication has been recently proposed to mitigate the burden
of base stations by leveraging the underutilized cellular spectrum resources, where high …

Device-to-device (D2D) communications is being pursued as an important feature in next
generation cellular networks. D2D can improve resource utilization in two ways: Offloading …

The heterogeneous cellular networks (HCNs) with device-to-device (D2D) communications
have been a promising solution to cost-efficient delivery of high data rates. A key challenge …