367 citations · 1.5k across the 122 of their papers we have counts for
10 papers · 1 filter
Artificial-noise-aided Secure Multicast Precoding for Directional Modulation Systems
Feng Shu, Ling Xu, Jiangzhou Wang +2
In multi-cast scenario, all desired users are divided into groups. Each group receives its own individual confidential message stream. Eavesdropper group aims to intercept …
GPI-based Secrecy Rate Maximization Beamforming Scheme for Wireless Transmission with AN-aided Directional Modulation
Hai Yu, Simin Wan, Wenlong Cai +7
In a directional modulation network, a general power iterative (GPI) based beamforming scheme is proposed to maximize the secrecy rate (SR), where there are two optimization variab…
User-centric C-RAN Architecture for Ultra-dense 5G Networks: Challenges and Methodologies
Cunhua Pan, Maged Elkashlan, Jiangzhou Wang +2
Ultra-dense networks (UDN) constitute one of the most promising techniques of supporting the 5G mobile system. By deploying more small cells in a fixed area, the average distance b…
Pilot Optimization and Power Allocation for OFDM-based Full-duplex Relay Networks with IQ-imbalances
Jin Wang, Hai Yu, Yongpeng Wu +4
In OFDM relay networks with IQ imbalances and full-duplex relay station (RS), how to optimize pilot pattern and power allocation using the criterion of minimizing the sum of mean s…
Joint User Selection and Energy Minimization for Ultra-Dense Multi-channel C-RAN with Incomplete CSI
Cunhua Pan, Huiling Zhu, Nathan J. Gomes +1
This paper provides a unified framework to deal with the challenges arising in dense cloud radio access networks (C-RAN), which include huge power consumption, limited fronthaul ca…
Covert Communication Achieved by A Greedy Relay in Wireless Networks
Jinsong Hu, Shihao Yan, Xiangyun Zhou +3
Covert communication aims to hide the very existence of wireless transmissions in order to guarantee a strong security in wireless networks. In this work, we examine the possibilit…
Secure Precise Wireless Transmission with Random-Subcarrier-Selection-based Directional Modulation Transmit Antenna Array
Feng Shu, Xiaomin Wu, Jinsong Hu +2
In this paper, a practical wireless transmission scheme is proposed to transmit confidential messages to the desired user securely and precisely by the joint use of multiple techni…
Unified Offloading Decision Making and Resource Allocation in ME-RAN
Kezhi Wang, Pei-Qiu Huang, Kun Yang +2
In order to support communication and computation cooperation, we propose ME-RAN architecture, which consists of mobile edge cloud (ME) as the computation provision platform and ra…
Covert Communication in Wireless Relay Networks
Jinsong Hu, Shihao Yan, Xiangyun Zhou +2
Covert communication aims to shield the very existence of wireless transmissions in order to guarantee a strong security in wireless networks. In this work, for the first time we e…
Joint Precoding and RRH selection for User-centric Green MIMO C-RAN
Cunhua Pan, Huiling Zhu, Nathan J. Gomes +1
This paper jointly optimizes the precoding matrices and the set of active remote radio heads (RRHs) to minimize the network power consumption (NPC) for a user-centric cloud radio a…