7 citations · 12 across the 39 of their papers we have counts for
11 papers · 1 filter
Generative Semantic Communications with Foundation Models: Perception-Error Analysis and Semantic-Aware Power Allocation
Chunmei Xu, Mahdi Boloursaz Mashhadi, Yi Ma +2
Generative foundation models can revolutionize the design of semantic communication (SemCom) systems allowing high fidelity exchange of semantic information at ultra low rates. In…
Communicate Less, Synthesize the Rest: Latency-aware Intent-based Generative Semantic Multicasting with Diffusion Models
Xinkai Liu, Mahdi Boloursaz Mashhadi, Li Qiao +3
Generative diffusion models (GDMs) have recently shown great success in synthesizing multimedia signals with high perceptual quality, enabling highly efficient semantic communicati…
Generalizing Deep Learning-Based CSI Feedback in Massive MIMO via ID-Photo-Inspired Preprocessing
Zhenyu Liu, Yi Ma, Rahim Tafazolli
Deep learning (DL)-based channel state information (CSI) feedback has shown great potential in improving spectrum efficiency in massive MIMO systems. However, DL models optimized f…
A Physical Layer Security Framework for IRS-Assisted Integrated Sensing and Semantic Communication Systems
Hamid Amiriara, Mahtab Mirmohseni, Ahmed Elzanaty +2
In this paper, we propose a physical layer security (PLS) framework for an intelligent reflecting surface (IRS)-assisted integrated sensing and semantic communication (ISASC) syste…
Fast Iterative ELAA-MIMO Detection Exploiting Static Channel Components
Jiuyu Liu, Yi Ma, Rahim Tafazolli
Extremely large aperture array (ELAA) is a promising multiple-input multiple-output (MIMO) technique for next generation mobile networks. In this paper, we propose two novel approa…
Accelerating Iteratively Linear Detectors in Multi-User (ELAA-)MIMO Systems with UW-SVD
Jiuyu Liu, Yi Ma, Jinfei Wang +1
Current iterative multiple-input multiple-output (MIMO) detectors suffer from slow convergence when the wireless channel is ill-conditioned. The ill-conditioning is mainly caused b…
Wi-Fi Beyond Communications: Experimental Evaluation of Respiration Monitoring and Motion Detection Using COTS Devices
Jiuyu Liu, Yi Ma, Rahim Tafazolli
Wi-Fi sensing has become an attractive option for non-invasive monitoring of human activities and vital signs. This paper explores the feasibility of using state-of-the-art commerc…
Semantic-Aware Power Allocation for Generative Semantic Communications with Foundation Models
Chunmei Xu, Mahdi Boloursaz Mashhadi, Yi Ma +1
Recent advancements in diffusion models have made a significant breakthrough in generative modeling. The combination of the generative model and semantic communication (SemCom) ena…
Multi-Satellite MIMO Systems for Direct User-Satellite Communications: A Survey
Zohre Mashayekh Bakhsh, Yasaman Omid, Gaojie Chen +3
Advancements in satellite technology have made direct-to-device connectivity a viable solution for ensuring global access. This method is designed to provide internet connectivity…
Symmetric Rank- Regularization for Iterative Inversion of Ill-Conditioned MIMO Channels
Jinfei Wang, Yi Ma, Rahim Tafazolli
While iterative matrix inversion methods excel in computational efficiency, memory optimization, and support for parallel and distributed computing when managing large matrices, th…
Near-Field Fading Channel Modeling for ELAAs: From Communication to ISAC
Jiuyu Liu, Yi Ma, Ahmed Elzanaty +1
Extremely large aperture array (ELAA) is anticipated to serve as a pivotal feature of future multiple-input multiple-output (MIMO) systems in 6G. Near-field (NF) fading channel mod…