activity
20162025
most citedUAV-Assisted Underwater Sensor Networks using RF and Optical Wireless Links

51 citations · 147 across the 11 of their papers we have counts for

collaborators

11 papers

eess.SY2025

Design and Optimization of a Hybrid VLC/THz Infrastructure-to-Vehicle Communication System for Intelligent Transportation

Yusef Modami, Hamzeh Beiranvand, Mohammad Taghi Dabiri

This paper proposes a hybrid infrastructure-to-vehicle (I2V) communication framework to support future 6G-enabled intelligent transportation systems (ITS) in smart cities. Leveragi…

eess.SY2025

Performance Analysis of Underwater Optical Wireless Communication Using O-RIS and Fiber Optic Backhaul (Extended version)

Aboozar Heydaribeni, Hamzeh Beyranvand

This Letter presents a novel hybrid underwater wireless optical communication (UWOC) system that integrates underwater optical access points (UOAPs) with a passive optical network…

cs.IT2021★ 29 cited

High-Speed Trains Access Connectivity Through RIS-Assisted FSO Communications

Pouya Agheli, Hamzeh Beyranvand, Mohammad Javad Emadi

Free-space optic (FSO) is a promising solution to provide broadband Internet access for high-speed trains (HSTs). Besides, reconfigurable intelligent surfaces (RIS) are considered…

cs.IT2021★ 51 cited

UAV-Assisted Underwater Sensor Networks using RF and Optical Wireless Links

Pouya Agheli, Hamzeh Beyranvand, Mohammad Javad Emadi

Underwater sensor networks (UWSNs) are of interest to gather data from underwater sensor nodes (SNs) and deliver information to a terrestrial access point (AP) in the uplink transm…

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★ 4 cited

Designing Cost- and Energy-Efficient Cell-Free Massive MIMO Network with Fiber and FSO Fronthaul Links

Pouya Agheli, Mohammad Javad Emadi, Hamzeh Beyranvand

The emerging cell-free massive multiple-input multiple-output (CF-mMIMO) is a promising scheme to tackle the capacity crunch in wireless networks. Designing the optimal fronthaul n…

cs.IT2020

Cognitive RF-FSO Fronthaul Assignment in Cell-Free and User-Centric mMIMO Networks

Pouya Agheli, Mohammad Javad Emadi, Hamzeh Beyranvand

Cell-free massive MIMO (CF-mMIMO) network and its user-centric (UC) version are considered as promising techniques for the next generations of wireless networks. However, fronthaul…

eess.SP2020

Transmit Power Optimization in Optical Coherent Transmission Systems: Analytical, Simulation, and Experimental Results

Ramin Hashemi, Mehdi Habibi, Hamzeh Beyranvand +3

In this paper, we propose to use the discretized version of the so-called Enhanced Gaussian Noise (EGN) model to estimate the non-linearity effects of fiber on the performance of o…

cs.NI2018★ 42 cited

Mobility-Aware Resource Allocation in VLC Networks Using T-Step Look-Ahead Policy

Mohammad Amir Dastgheib, Hamzeh Beyranvand, Jawad A. Salehi +1

Visible light communication (VLC) uses huge license-free spectral bandwidth of visible light for high-speed wireless communication. Since each VLC access point covers a small area,…

cs.NI2018

Ultra-Dense 5G Small Cell Deployment for Fiber and Wireless Backhaul-Aware Infrastructures

Ali Lotfi Rezaabad, Hamzeh Beyranvand, Jawad A. Salehi +1

In this paper, we study the cell planning problem for a two-tier cellular network containing two types of base stations (BSs)-- i.e. with fiber backhaul, referred to as wired BSs (…

cs.NI2016★ 4 cited

Cellular Underwater Wireless Optical CDMA Network: Potentials and Challenges

Farhad Akhoundi, Mohammad Vahid Jamali, Navid Banihassan +3

Underwater wireless optical communications is an emerging solution to the expanding demand for broadband links in oceans and seas. In this paper, a cellular underwater wireless opt…