activity
20202026
most citedEnergy Efficiency Maximization in the Uplink Delta-OMA Networks

17 citations · 32 across the 17 of their papers we have counts for

collaborators

19 papers

cs.IT2026

Polarforming-Enabled Power-Splitting SWIPT: A GNN-Based Optimization Approach

Hamed Aghaei-Karkaj, Kamran Ebrahimi, Zahra Mehrzad +3

Simultaneous wireless information and power transfer (SWIPT) is a critical technology for the future of the Internet of Things (IoT). However, ensuring a stable power supply in suc…

cs.IT2026

GNN-Based Polarforming for Multi-User MISO Short-Packet URLLC under Imperfect CSI

Zahra Mehrzad, Hamed Aghaei-Karkaj, Rahman Saadat Yeganeh +4

This paper investigates polarization-aware transmission for multi-user multiple-input single-output (MU-MISO) short-packet ultra-reliable low-latency communications (URLLC) under i…

eess.SP2025

Hybrid FIM and STAR-BD-RIS-Aided Wireless Communications with Short Packet Length: A Meta-TD3 Approach

Ayla Eftekhari, Maryam Cheraghy, Armin Farhadi +2

Reconfigurable intelligent surfaces (RIS) and flexible intelligent metasurfaces (FIM) have been widely adopted in multi-user wireless communication systems to enhance channel quali…

eess.SP2024

Meta Reinforcement Learning for Resource Allocation in Multi-Antenna UAV Network with Rate Splitting Multiple Access

Hosein Zarini, Maryam Farajzadeh Dehkordi, Armin Farhadi +5

Unmanned aerial vehicles (UAVs) with multiple antennas have recently been explored to improve capacity in wireless networks. However, the strict energy constraint of UAVs, given th…

eess.SP2024

On the Performance of Unmanned Aerial Vehicles with MIMO VLC

Hosein Zarini, Amir Mohammadisarab, Maryam Farajzadeh Dehkordi +5

This paper centers around a multiple-input-multiple-output (MIMO) visible light communication (VLC) system, where an unmanned aerial vehicle (UAV) benefits from a light emitting di…

cs.IT2024

Energy Efficient Design of Active STAR-RIS-Aided SWIPT Systems

Sajad Faramarzi, Hosein Zarini, Sepideh Javadi +4

In this paper, we consider the downlink transmission of a multi-antenna base station (BS) supported by an active simultaneously transmitting and reconfigurable intelligent surface…

cs.IT2024

Meta Reinforcement Learning for Resource Allocation in Aerial Active-RIS-assisted Networks with Rate-Splitting Multiple Access

Sajad Faramarzi, Sepideh Javadi, Farshad Zeinali +5

Mounting a reconfigurable intelligent surface (RIS) on an unmanned aerial vehicle (UAV) holds promise for improving traditional terrestrial network performance. Unlike conventional…

cs.IT2024

SLIPT in Joint Dimming Multi-LED OWC Systems with Rate Splitting Multiple Access

Sepideh Javadi, Sajad Faramarzi, Farshad Zeinali +5

Optical wireless communication (OWC) systems with multiple light-emitting diodes (LEDs) have recently been explored to support energy-limited devices via simultaneous lightwave inf…

eess.SP2024★ 2 cited

QoS Improvement in Multi User Cellular-Symbiotic Radio Network Assisted by Active-STAR-RIS

Rahman Saadat Yeganeh, Mohammad Javad Omidi, Farshad Zeinali +2

In this article, we employ active simultaneously transmitting and reflecting reconfigurable intelligent surfaces (ASRIS) to enhance the quality of 6G cellular network services. The…

cs.IT2024★ 1 cited

Resource Allocation in STAR-RIS-Aided SWIPT with RSMA via Meta-Learning

Mojtaba Amiri, Elaheh Vaezpour, Sepideh Javadi +3

Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is a cutting-edge concept for the sixth-generation (6G) wireless networks. In this paper, w…

cs.IT2024

Meta-Learning for Resource Allocation in Uplink Multi-Active STAR-RIS-aided NOMA System

Sepideh Javadi, Armin Farhadi, Mohammad Robat Mili +2

Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is a novel technology which enables the full-space coverage. In this letter, a multi-active…

cs.LG2022

Liquid State Machine-Empowered Reflection Tracking in RIS-Aided THz Communications

Hosein Zarini, Narges Gholipoor, Mohamad Robat Mili +3

Passive beamforming in reconfigurable intelligent surfaces (RISs) enables a feasible and efficient way of communication when the RIS reflection coefficients are precisely adjusted.…

eess.SP2022

Xavier-Enabled Extreme Reservoir Machine for Millimeter-Wave Beamspace Channel Tracking

Hosein Zarini, Mohammad Robat Mili, Mehdi Rasti +2

In this paper, we propose an accurate two-phase millimeter-Wave (mmWave) beamspace channel tracking mechanism. Particularly in the first phase, we train an extreme reservoir machin…

eess.SP2021★ 2 cited

Multi Agent Reinforcement Learning Trajectory Design and Two-Stage Resource Management in CoMP UAV VLC Networks

Mohammad Reza Maleki, Mohammad Robat Mili, Mohammad Reza Javan +2

In this paper, we consider unmanned aerial vehicles (UAVs) equipped with a visible light communication (VLC) access point and coordinated multipoint (CoMP) capability that allows u…

eess.SP2021

Swish-Driven GoogleNet for Intelligent Analog Beam Selection in Terahertz Beamspace MIMO

Hosein Zarini, Mohammad Robat Mili, Mehdi Rasti +2

In this paper, we propose an intelligent analog beam selection strategy in a terahertz (THz) band beamspace multiple-input multiple-output (MIMO) system. First inspired by transfer…

cs.IT2021★ 17 cited

Energy Efficiency Maximization in the Uplink Delta-OMA Networks

Ramin Hashemi, Hamzeh Beyranvand, Mohammad Robat Mili +3

Delta-orthogonal multiple access (D-OMA) has been recently investigated as a potential technique to enhance the spectral efficiency in the sixth-generation (6G) networks. D-OMA ena…

cs.IT2020

Multi-objective Resource Allocation for D2D and Enabled MC-NOMA Networks by Tchebycheff Method

Siavash Bayat, Ata Khalili, Shayan Zargari +2

This paper considers a resource allocation problem in device-to-device (D2D) communications sharing the same frequency spectrum. In particular, the CUs utilize non-orthogonal multi…

cs.IT2020

Weighted Sum-Rate Maximization for Multi-IRS-assisted Full-Duplex Systems with Hardware Impairments

Mohammad Amin Saeidi, Mohammad Javad Emadi, Hamed Masoumi +3

Smart and reconfigurable wireless communication environments can be established by exploiting well-designed intelligent reflecting surfaces (IRSs) to shape the communication channe…

cs.IT2020★ 10 cited

Performance Trade-off Between Uplink and Downlink in Full-Duplex Communications

Ata Khalili, Mohammad Robat Mili, Derrick Wing Kwan Ng

In this paper, we formulate two multi-objective optimization problems (MOOPs) in orthogonal frequency-division multiple access (OFDMA)-based in-band full-duplex (IBFD) wireless com…