A journey from improper Gaussian signaling to asymmetric signaling

S Javed, O Amin, B Shihada… - … Surveys & Tutorials, 2020 - ieeexplore.ieee.org
The deviation of continuous and discrete complex random variables from the traditional
proper and symmetric assumption to a generalized improper and asymmetric …

Optimization of data exchange in 5G vehicle-to-infrastructure edge networks

T Huang, X Yuan, J Yuan… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In recent years, intelligent transportation systems are a vital part of the development of smart
cities. In intelligent transportation systems, it is necessary for each vehicle to know the states …

MIMO multiway distributed relay channel with full data exchange: an achievable rate perspective

X Yuan, J Zhang, YJ Zhang, X Zhao, X Kuai - IEEE Access, 2018 - ieeexplore.ieee.org
We consider efficient communications over the multiple-input multiple-output (MIMO)
multiway distributed relay channel (MDRC) with full data exchange, where each user …

Optimal degrees of freedom region for the asymmetric MIMO Y channel

K Liu, X Yuan, M Tao - IEEE Communications Letters, 2016 - ieeexplore.ieee.org
This letter studies the optimal degrees of freedom (DoF) region for the asymmetric three-user
MIMO Y channel with antenna configuration (M 1, M 2, M 3, N), where Mi is the number of …

On the DoF region for the asymmetric MIMO two-way X relay channel

K Liu, X Yuan, M Tao - IEEE Transactions on Communications, 2017 - ieeexplore.ieee.org
In this paper, we study the degrees of freedom (DoF) region for the multiple-input multiple-
output two-way X relay channel with asymmetric antenna setting. In this channel model …

An overview on multiway relay communications: Fundamental issues, recent advances, and new challenges

R Wang, X Yuan - arXiv preprint arXiv:2010.04407, 2020 - arxiv.org
To address the coverage and capacity challenges in fifth-generation (5G) wireless networks,
the relay technique has been considered as a promising solution and recently attracted …

Deep-ultraviolet optoelectronic devices enabled by the hybrid integration of next-generation semiconductors and emerging device platforms

N Alfaraj - 2019 - repository.kaust.edu.sa
In this dissertation, the design and fabrication of deep-ultraviolet photodetectors were
investigated based on gallium oxide and its alloys, through the heterogeneous integration …

Optimal dof region of the mimo butterfly network

X Liao, J Sun, Y Liu - IEEE Communications Letters, 2018 - ieeexplore.ieee.org
A butterfly network is a classical model to demonstrate the throughput advantage of the
network coding technique over wireline networks. We are curious about what happens if the …

Capacity of the Gaussian Two-Pair Two-Way Relay Channel to Within Bit

X Yuan, H Xin, SC Liew, Y Li - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This paper studies the transceiver design of the Gaussian two-pair two-way relay channel
(TWRC), where two pairs of users exchange information through a common relay in a …

Asymmetric Signaling: A New Dimension of Interference Management in Hardware Impaired Communication Systems

S Javed - 2021 - repository.kaust.edu.sa
Hardware impairments (HWIs) impose a huge challenge on modern wireless commu-
nication systems owing to the characteristics like compactness, least complexity, cost ef …