activity
20152026
most citedUser Association in 5G Networks: A Survey and an Outlook

617 citations · 784 across the 19 of their papers we have counts for

collaborators
Showing cs.NIShow all

8 papers · 1 filter

cs.NI2018★ 6 cited

Energy and Latency Control for Edge Computing in Dense V2X Networks

Jingjing Zhao, Lifeng Wang, Kai-Kit Wong +2

This study focuses on edge computing in dense millimeter wave vehicle-to-everything (V2X) networks. A control problem is formulated to minimize the energy consumption under delay c…

cs.NI2018★ 11 cited

Edge and Central Cloud Computing: A Perfect Pairing for High Energy Efficiency and Low-latency

Xiaoyan Hu, Lifeng Wang, Kai-Kit Wong +3

In this paper, we study the coexistence and synergy between edge and central cloud computing in a heterogeneous cellular network (HetNet), which contains a multi-antenna macro base…

cs.NI2018★ 2 cited

Content Placement in Cache-Enabled Sub-6 GHz and Millimeter-Wave Multi-antenna Dense Small Cell Networks

Yongxu Zhu, Gan Zheng, Lifeng Wang +2

This paper studies the performance of cache-enabled dense small cell networks consisting of multi-antenna sub-6 GHz and millimeter-wave base stations. Different from the existing w…

cs.NI2017★ 1 cited

Edge Caching in Dense Heterogeneous Cellular Networks with Massive MIMO Aided Self-backhaul

Lifeng Wang, Kai-Kit Wong, Sangarapillai Lambotharan +2

This paper focuses on edge caching in dense heterogeneous cellular networks (HetNets), in which small base stations (SBSs) with limited cache size store the popular contents, and m…

cs.NI2017★ 5 cited

A New Look at Physical Layer Security, Caching, and Wireless Energy Harvesting for Heterogeneous Ultra-dense Networks

Lifeng Wang, Kai-Kit Wong, Shi Jin +2

Heterogeneous ultra-dense networks enable ultra-high data rates and ultra-low latency through the use of dense sub-6 GHz and millimeter wave (mmWave) small cells with different ant…

cs.NI2017

Wireless Powered Dense Cellular Networks: How Many Small Cells Do We Need?

Lifeng Wang, Kai-Kit Wong, Robert W. Heath +1

This paper focuses on wireless powered 5G dense cellular networks, where base station (BS) delivers energy to user equipment (UE) via the microwave radiation in sub-6 GHz or millim…