A simple and practical underlay scheme for short-range secondary communication

MS Ibrahim, PA Karakasis… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The unprecedented growth in wireless Internet-of-Things and WiFi devices has renewed
interest in mechanisms for efficient spectrum reuse. Existing schemes require some level of …

Unsupervised learning for reference signals overhead reduction in 3GPP MIMO systems

OM Sleem, MS Ibrahim, A Malhotra… - … Machine Learning in …, 2023 - ieeexplore.ieee.org
The unprecedented increase in the number of wireless-connected devices requires novel
solutions to improve the data rate at low latency. Reference signals overhead reduction is a …

Identifiable Shared Component Analysis of Unpaired Multimodal Mixtures

S Timilsina, S Shrestha, X Fu - arxiv preprint arxiv:2409.19422, 2024 - arxiv.org
A core task in multi-modal learning is to integrate information from multiple feature spaces
(eg, text and audio), offering modality-invariant essential representations of data. Recent …

A novel linear precoder design for reliable UL/DL detection in TDD cellular networks

MS Ibrahim, A Hussain… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The ever-growing demands on wireless connectivity, especially with the emergence of
various data-intensive low-latency applications, require novel multiplexing solutions capable …

Performance Enhancement for Cell-Edge Users via UAVs in Cellular Networks

R Wu, N Deng, H Wei, N Zhao… - IEEE Transactions on …, 2025 - ieeexplore.ieee.org
In cellular networks, the performance of cell-edge users is notably deficient, especially for
those receiving almost comparable signal strengths from the serving base station (BS) and …

Content-Style Learning from Unaligned Domains: Identifiability under Unknown Latent Dimensions

S Shrestha, X Fu - arxiv preprint arxiv:2411.03755, 2024 - arxiv.org
Understanding identifiability of latent content and style variables from unaligned multi-
domain data is essential for tasks such as domain translation and data generation. Existing …

Three-dimensional spatial differentiation based on a single metalens

J Li, H Bao, X Zhu, L Deng, J Guan - Optics Express, 2025 - opg.optica.org
Spatial differentiation is the key element for edge detection and holds unquestionable
significance in the current information era. All-optical computation based on metasurfaces …

Performance Analysis of Cellular Edge Users with Air-Ground Cooperation

R Wu, N Deng, M Haenggi, H Wei… - 2024 IEEE Wireless …, 2024 - ieeexplore.ieee.org
To address the poor performance experienced by cell-edge users located equidistantly to
the serving base station (BS) and the nearest interfering BS (s), this paper proposes an air …

Unsupervised Detection via Artificial Dual-Path Transmission

A Hussain, MS Ibrahim… - 2022 56th Asilomar …, 2022 - ieeexplore.ieee.org
Channel estimation in rapidly time-varying or short and bursty communication scenarios is
costly in terms of both pilot overhead and co-channel interference. In recent work, it was …

Delay-locking: Unraveling multiple unknown signals in unknown multipath

MS Ibrahim, ND Sidiropoulos - 2020 IEEE 21st International …, 2020 - ieeexplore.ieee.org
Given a mixture of co-channel user signals subject to frequency-selective multipath, sensed
through an array of co-located antennas, how can we recover the user signals? This is a …