57 citations · 70 across the 18 of their papers we have counts for
18 papers
Intelligent Wiretap Code Design: Exploiting Wireless Endogenous Security via Information Theory and Deep Learning Integration
Haibin Zhang, Xiangnan Zhou, Chao Wang +6
Recent advancements in wireless endogenous security have explored leveraging the inherent randomness of wireless channels to enhance communication security, providing an effective…
Distributed Information Bottleneck for a Primitive Gaussian Diamond MIMO Channel
Yi Song, Hao Xu, Kai-Kit Wong +2
This paper considers the distributed information bottleneck (D-IB) problem for a primitive Gaussian diamond channel with two relays and MIMO Rayleigh fading. The channel state is a…
SD-Based Low-Complexity Precoder Design for Gaussian MIMO Wiretap Channels
Hao Xu, Kai-Kit Wong, Giuseppe Caire
This paper considers a Gaussian multi-input multi-output (MIMO) multiple access wiretap (MAC-WT) channel, where an eavesdropper (Eve) wants to extract the confidential information…
Coding-Enhanced Cooperative Jamming for Secret Communication: The MIMO Case
Hao Xu, Kai-Kit Wong, Yinfei Xu +1
This paper considers a Gaussian multi-input multi-output (MIMO) wiretap channel with a legitimate transmitter, a legitimate receiver (Bob), an eavesdropper (Eve), and a cooperative…
MAC Wiretap Channels with Confidential and Open Messages: Improved Achievable Region and Low-complexity Precoder Design
Hao Xu, Kai-Kit Wong, Giuseppe Caire
This paper investigates the achievable region and precoder design for multiple access wiretap (MAC-WT) channels, where each user transmits both secret and open (i.e., non-confident…
Distributed Information Bottleneck for a Primitive Gaussian Diamond Channel with Rayleigh Fading
Hao Xu, Kai-Kit Wong, Giuseppe Caire +1
This paper considers the distributed information bottleneck (D-IB) problem for a primitive Gaussian diamond channel with two relays and Rayleigh fading. Due to the bottleneck const…
Achievable Regions and Precoder Designs for the Multiple Access Wiretap Channels with Confidential and Open Messages
Hao Xu, Tianyu Yang, Kai-Kit Wong +1
This paper investigates the secrecy capacity region of multiple access wiretap (MAC-WT) channels where, besides confidential messages, the users have also open messages to transmit…
Information Bottleneck for a Rayleigh Fading MIMO Channel with an Oblivious Relay
Hao Xu, Tianyu Yang, Giuseppe Caire +1
This paper considers the information bottleneck (IB) problem of a Rayleigh fading multiple-input multiple-out (MIMO) channel with an oblivious relay. The relay is constrained to op…
Information Bottleneck for an Oblivious Relay with Channel State Information: the Vector Case
Hao Xu, Tianyu Yang, Giuseppe Caire +1
This paper considers the information bottleneck (IB) problem of a Rayleigh fading multiple-input multiple-out (MIMO) channel. Due to the bottleneck constraint, it is impossible for…
An Achievable Region for the Multiple Access Wiretap Channels with Confidential and Open Messages
Hao Xu, Giuseppe Caire, Cunhua Pan
This paper investigates the capacity region of a discrete memoryless (DM) multiple access wiretap (MAC-WT) channel where, besides confidential messages, the users have also open me…
Effective Capacity and Power Allocation for Machine-Type Communication
Mohammad Shehab, Hirley Alves, Matti Latva-aho
Effective capacity (EC) determines the maximum communication rate subject to a particular delay constraint. In this work, we analyze the EC of ultra reliable Machine Type Communica…
Improving Wireless Physical Layer Security via D2D Communication
Hao Xu, Cunhua Pan, Wei Xu +3
This paper investigates the physical layer security issue of a device-to-device (D2D) underlaid cellular system with a multi-antenna base station (BS) and a multi-antenna eavesdrop…
Performance Analysis of User-centric Virtual Cell Dense Networks over mmWave Channels
Jianfeng Shi, Yinlu Wang, Hao Xu +2
This paper analyzes the ergodic capacity of a user-centric virtual cell (VC) dense network, where multiple access points (APs) form a VC for each user equipment (UE) and transmit d…
Robust Beamforming with Pilot Reuse Scheduling in a Heterogeneous Cloud Radio Access Network
Hao Xu, Cunhua Pan, Wei Xu +3
This paper considers a downlink ultra-dense heterogeneous cloud radio access network (H-CRAN) which guarantees seamless coverage and can provide high date rates. In order to reduce…
Robust Transmission Design for Multi-Cell D2D Underlaid Cellular Networks
Hao Xu, Gordon L. Stüber, Wei Xu +4
This paper investigates the robust transmission design (RTD) of a multi-cell device-to-device (D2D) underlaid cellular network with imperfect channel state information (CSI). The b…
Association and Load Optimization with User Priorities in Load-Coupled Heterogeneous Networks
Zhaohui Yang, Wei Xu, Jianfeng Shi +2
In this paper, we consider the network utility maximization problem with various user priorities via jointly optimizing user association, load distribution and power control in a l…
Pilot Reuse Among D2D Users in D2D Underlaid Massive MIMO Systems
Hao Xu, Wei Xu, Zhaohui Yang +2
In a device-to-device (D2D) underlaid massive MIMO system, D2D transmitters reuse the uplink spectrum of cellular users (CUs), leading to cochannel interference. To decrease pilot…
Joint Time Allocation and Power Control in Multi-Cell Networks with Load Coupling: Energy Saving and Rate Improvement
Zhaohui Yang, Cunhua Pan, Wei Xu +2
In this paper, we consider the problems of minimizing sum power and maximizing sum rate for multi-cell networks with load coupling, where coupling relation occurs among cells due t…