Author

Rahim Tafazolli

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Review Oct 2026

Reconfigurable Intelligent Surfaces: Architectures, Models, and Applications

Reconfigurable Intelligent Surfaces (RIS), also known as programmable metasurfaces, have emerged as a promising technology for next-generation wireless communication systems by enabling programmable control over the propagation environment. Through dynamic manipulation of the phase, amplitude, and polarization of elect...

M. Fallahzadeh, Mohammad Hossein Koohi Ghamsari, A. Mallahzadeh et al. · 0 citations

Conference Aug 2026

Integrated Sensing, Communication, and Computing for Low-Altitude Wireless Networks with Security-Aware Information Freshness

Low-altitude wireless networks (LAWNs) are highly vulnerable to eavesdropping due to their dominant line-of-sight links, which give adversaries similar propagation conditions to legitimate users. While integrated sensing, communication, and computing (ISCC) has been widely studied, existing works typically treat securi...

Chang-Yuan Zhao, Hui-Jun Xing, Jia-Cheng Wang et al. · 2026 IEEE/CIC International... · 0 citations

2026

Service-Oriented Attention HAPPO for xApps Coordination in Digital Twin-Enabled AI-RAN

Coordinating multiple heterogeneous xApps in Open Radio Access Networks (O-RAN) is challenging because real-time inter-xApp synchronization introduces communication overhead, latency, and scalability bottlenecks under live deployments. This paper proposes an attention-based Heterogeneous-Agent Proximal Policy Optimizat...

Zhizhou He, Mohammad Shojafar, Rahim Tafazolli · IEEE Transactions on Network... · 0 citations