collaborators

10 papers

eess.SP2026

Dual-Transformer Aided Hierarchical Deep Reinforcement Learning for Robust RIS-Assisted Near-Field Communications

Mohammad Ghassemi, Han Zhang, Ali Afana +2

The deployment of extremely large aperture arrays (ELAAs) in sixth-generation (6G) networks is expected to shift communications into the near-field regime, where spherical-wave pro…

eess.SP2026

Foundation Model-Aided Hierarchical Deep Reinforcement Learning for Blockage-Aware Link in RIS-Assisted Networks

Mohammad Ghassemi, Han Zhang, Ali Afana +2

Reconfigurable intelligent surface (RIS) technology has the potential to significantly enhance the spectral efficiency (SE) of 6G wireless networks. However, practical deployment r…

cs.NI2026

Multi-Modal Data-Enhanced Foundation Models for Prediction and Control in Wireless Networks: A Survey

Han Zhang, Mohammad Farzanullah, Mohammad Ghassemi +3

Foundation models (FMs) are recognized as a transformative breakthrough that has started to reshape the future of artificial intelligence (AI) across both academia and industry. Th…

cs.NI2025

Wireless Multimodal Foundation Model (WMFM): Integrating Vision and Communication Modalities for 6G ISAC Systems

Mohammad Farzanullah, Han Zhang, Akram Bin Sediq +2

The emergence of multimodal foundation models has revolutionized learning paradigms by enabling joint understanding across diverse data types. In the context of next-generation wir…

eess.SP2025

Foundation Model-Aided Deep Reinforcement Learning for RIS-Assisted Wireless Communication

Mohammad Ghassemi, Sara Farrag Mobarak, Han Zhang +3

Reconfigurable intelligent surfaces (RIS) have emerged as a promising technology for enhancing wireless communication by dynamically controlling signal propagation in the environme…

eess.SP2025

Conditional Denoising Diffusion for ISAC Enhanced Channel Estimation in Cell-Free 6G

Mohammad Farzanullah, Han Zhang, Akram Bin Sediq +2

Cell-free Integrated Sensing and Communication (ISAC) aims to revolutionize 6th Generation (6G) networks. By combining distributed access points with ISAC capabilities, it boosts s…