activity
20172024
most citedOptimal Virtual Network Function Deployment for 5G Network Slicing in a Hybrid Cloud Infrastructure

2 citations · 5 across the 5 of their papers we have counts for

collaborators

10 papers

cs.IT20242 cited

An Efficient Convex-Hull Relaxation Based Algorithm for Multi-User Discrete Passive Beamforming

Wenhai Lai, Zheyu Wu, Yi Feng +2

Intelligent reflecting surface (IRS) is an emerging technology to enhance spatial multiplexing in wireless networks. This letter considers the discrete passive beamforming design f…

cs.IT20202 cited

Optimal Virtual Network Function Deployment for 5G Network Slicing in a Hybrid Cloud Infrastructure

Antonio De Domenico, Ya-Feng Liu, Wei Yu

Network virtualization is a key enabler for 5G systems to support the expected use cases of vertical markets. In this context, we study the joint optimal deployment of Virtual Netw…

eess.SP2020

Time-Division Energy Beamforming for Multiuser Wireless Power Transfer with Non-Linear Energy Harvesting

Ganggang Ma, Jie Xu, Ya-Feng Liu +1

Energy beamforming has emerged as a promising technique for enhancing the energy transfer efficiency of wireless power transfer (WPT). However, the performance of conventional ener…

eess.SP2020

Max-Min Fairness in IRS-Aided Multi-Cell MISO Systems with Joint Transmit and Reflective Beamforming

Hailiang Xie, Jie Xu, Ya-Feng Liu

This paper investigates an intelligent reflecting surface (IRS)-aided multi-cell multiple-input single-output (MISO) system with several multi-antenna base stations (BSs) each comm…

cs.NI2019

Joint Switch Upgrade and Controller Deployment in Hybrid Software-Defined Networks

Zehua Guo, Weikun Chen, Ya-Feng Liu +2

To improve traffic management ability, Internet Service Providers (ISPs) are gradually upgrading legacy network devices to programmable devices that support Software-Defined Networ…

cs.IT2019

An Enhanced SDR based Global Algorithm for Nonconvex Complex Quadratic Programs with Signal Processing Applications

Cheng Lu, Ya-Feng Liu, Jing Zhou

In this paper, we consider a class of nonconvex complex quadratic programming (CQP) problems, which find a broad spectrum of signal processing applications. By using the polar coor…