3 citations · 6 across the 15 of their papers we have counts for
15 papers
STAR-RIS Enhanced Joint Physical Layer Security and Covert Communications for Multi-antenna mmWave Systems
Han Xiao, Xiaoyan Hu, Ang Li +4
This paper investigates the utilization of simultaneously transmitting and reflecting RIS (STAR-RIS) in supporting joint physical layer security (PLS) and covert communications (CC…
On the Generalization and Advancement of Half-Sine-Based Pulse Shaping Filters for Constant Envelope OQPSK Modulation
Pengcheng Mu, Yan Liu, Zihao Guo +2
The offset quadrature phase-shift keying (OQPSK) modulation is a key factor for the technique of ZigBee, which has been adopted in IEEE 802.15.4 for wireless communications of Inte…
STAR-RIS Assisted Covert Communications in NOMA Systems
Han Xiao, Xiaoyan Hu, Tong-Xing Zheng +1
Covert communications assisted by simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) in non-orthogonal multiple access (NOMA) systems have bee…
Weighted Sum Rate Enhancement by Using Dual-Side IOS-Assisted Full-Duplex for Multi-User MIMO Systems
Sisai Fang, Gaojie Chen, Chong Huang +4
This paper established a novel multi-input multi-output (MIMO) communication network, in the presence of full-duplex (FD) transmitters and receivers with the assistance of dual-sid…
Copula-based Performance Analysis for Fluid Antenna Systems under Arbitrary Fading Channels
Farshad Rostami Ghadi, Kai-Kit Wong, F. Javier Lopez-Martinez +1
In this letter, we study the performance of a single-user fluid antenna system (FAS) under arbitrary fading distributions, in which the fading channel coefficients over the ports a…
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…
Simultaneously Transmitting and Reflecting RIS (STAR-RIS) Assisted Multi-Antenna Covert Communications: Analysis and Optimization
Han Xiao, Xiaoyan Hu, Pengcheng Mu +4
This paper investigates the multi-antenna covert communications assisted by a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS). In particula…
STAR-RIS Aided Covert Communication
Han Xiao, Xiaoyan Hu, Pengcheng Mu +4
This paper investigates the multi-antenna covert communications assisted by a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS). In particula…
An Information-Theoretic Characterization of MIMO-FAS: Optimization, Diversity-Multiplexing Tradeoff and -Outage Capacity
Wee Kiat New, Kai-Kit Wong, Hao Xu +2
Multiple-input multiple-output (MIMO) system has been the defining mobile communications technology in recent generations. With the ever-increasing demands looming towards the sixt…
Fluid Antenna System: New Insights on Outage Probability and Diversity Gain
Wee Kiat New, Kai-Kit Wong, Hao Xu +2
To enable innovative applications and services, both industry and academia are exploring new technologies for sixth generation (6G) communications. One of the promising candidates…
Impact of Phase-Shift Error on the Secrecy Performance of Uplink RIS Communication Systems
Abdelhamid Salem, Kai-Kit Wong, Chan-Byoung Chae
Reconfigurable intelligent surface (RIS) has been recognized as a promising technique for the sixth generation (6G) of mobile communication networks. The key feature of RIS is to r…
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…