activity
20242026
most citedPower Efficient Cooperative Communication within IIoT Subnetworks: Relay or RIS?

7 citations · 8 across the 7 of their papers we have counts for

collaborators

7 papers

eess.SP2026

Massive MIMO-OFDM ISAC for Sparse ISAR Imaging: Joint Power and Subcarrier Allocation

Hamid Reza Hashempour, Yanjiao Li, Jie Zhang +2

This paper investigates a massive multiple-input multiple-output (mMIMO) orthogonal frequency-division multiplexing (OFDM) framework for integrated sensing and communication (ISAC)…

eess.SP2026

Cell-Free Massive MIMO for Joint Communication and Proactive Monitoring

Mustafa S. Abbas, Zahra Mobini, Hamid Reza Hashempour +2

This paper introduces a novel joint communication and proactive monitoring (JCAM) system that simultaneously monitors multiple untrusted links and serves multiple legitimate users.…

eess.SP2026

Secure Rate-Splitting and RIS Beamforming with Untrusted Energy Harvesting Receivers

Hamid Reza Hashempour, Le-Nam Tran, Duy H. N. Nguyen +1

We consider a reconfigurable intelligent surface (RIS)-assisted heterogeneous network comprising legitimate information-harvesting receivers (IHRs) and untrusted energy-harvesting…

eess.SY2026

DRL-Based Spectrum Sharing for RIS-Aided Local High-Quality Wireless Networks

Hamid Reza Hashempour, Mina Khadem, Eduard A. Jorswieck +1

This paper investigates a smart spectrum-sharing framework for reconfigurable intelligent surface (RIS)-aided local high-quality wireless networks (LHQWNs) within a mobile network…

eess.SP2026

Robust SAC-Enabled UAV-RIS Assisted Secure MISO Systems With Untrusted EH Receivers

Hamid Reza Hashempour, Le-Nam Tran, Duy H. N. Nguyen +1

Secure downlink transmission in UAV-assisted reconfigurable intelligent surface (RIS)-enabled multiuser MISO systems is challenging due to imperfect channel state information (CSI)…

eess.SP20251 cited

Energy-Efficient Federated Learning with Relay-Assisted Aggregation in IIoT Networks

Hamid Reza Hashempour, Mostafa Nozari, Gilberto Berardinelli +4

This paper presents an energy-efficient transmission framework for federated learning (FL) in industrial Internet of Things (IIoT) environments with strict latency and energy const…