57 citations · 218 across the 29 of their papers we have counts for
32 papers
CKM-Based Predictive Beamforming for Energy-Efficient Mobile Tracking in ISCAP System
Maryam Asadi-Ahmadabadi, S. Mohammad Razavizadeh, Vahid Jamali
This paper proposes a channel-knowledge-map (CKM)-based predictive beamforming framework for integrated sensing, communication, and powering (ISCAP) of a mobile energy-constrained…
Doubly Adaptive Channel and Spatial Attention for Semantic Image Communication by IoT Devices
Soroosh Miri, Sepehr Abolhasani, Shahrokh Farahmand +2
Internet of Things (IoT) networks face significant challenges such as limited communication bandwidth, constrained computational and energy resources, and highly dynamic wireless c…
Enhancing Connectivity for Emergency Vehicles Through UAV Trajectory and Resource Allocation Optimization
S. Fatemeh Bozorgi, S. Mohammad Razavizadeh, Mohsen Rezaee
Effective communication for emergency vehicles - such as ambulances and fire trucks - is essential to support their operations in various traffic and environmental conditions. In t…
Secure Beamforming in Multi-User Multi-IRS Millimeter Wave Systems
Anahid Rafieifar, Hosein Ahmadinejad, S. Mohammad Razavizadeh +1
We study the secrecy rate maximization problem in a millimeter wave (mmWave) network, consisting of a base station (BS), multiple intelligent reflecting surfaces (IRSs) (or reconfi…
Capacity Achieving Design for Hybrid Beamforming in Millimeter Wave Massive MIMO Systems
Rohollah Vahdani, S. Mohammad Razavizadeh
Hybrid digital and analog beamforming is a highly effective technique for implementing beamforming methods in millimeter wave (mmWave) systems. It provides a viable solution to rep…
Integrated Sensing, Communication, and Powering (ISCAP) for IoT: A Joint Beamforming Design
Maryam Asadi Ahmadabadi, S. Mohammad Razavizadeh, Vahid Jamali
This paper studies Integrated Sensing, Communication, and Powering (ISCAP) as a novel framework designed to enhance Internet of Things (IoT) applications within sixth-generation wi…
DRL-Based Secure Spectrum-Reuse D2D Communications with RIS Assistance
Maryam Asadi Ahmadabadi, Farimehr Zohari, S. Mohammad Razavizadeh
This study examines the secrecy performance of an uplink device-to-device (D2D) communication system enhanced by reconfigurable intelligent surfaces (RIS) while considering the pre…
Securing RIS-Aided Wireless Networks Against Full Duplex Active Eavesdropping
Atefeh Zakeri, S. Mohammad Razavizadeh
This paper investigates the physical layer security of a Reconfigurable Intelligent Surface (RIS)-aided wireless network in the presence of full-duplex active eavesdropping. In thi…
Integrated Access and Backhaul (IAB) in Low Altitude Platforms
Reza Ghasemi Alavicheh, S. Mohammad Razavizadeh, Halim Yanikomeroglu
In this paper, we explore the problem of utilizing Integrated Access and Backhaul (IAB) technology in Non-Terrestrial Networks (NTN), with a particular focus on aerial access netwo…
Integrated Access and Backhaul in Cell-free Massive MIMO Systems
Ali Hosseinalipour Jazi, S. Mohammad Razavizadeh, Tommy Svensson
One of the major challenges with cell-free (CF) massive multiple-input multiple-output (MIMO) networks is providing backhaul links for a large number of distributed access points (…
Direction-Based Jamming Detection and Suppression in mmWave Massive MIMO Networks
Saeed Bagherinejad1, S. Mohammad Razavizadeh
In this paper, we study the problem of physical layer security in the uplink of millimeter-wave massive multiple-input multiple-output (MIMO) networks and propose a jamming detecti…
Vertical Beamforming in Reconfigurable Intelligent Surface-aided Cognitive Radio Networks
S. Fatemeh Zamanian, S. Mohammad Razavizadeh, Qingqing Wu
In this letter, we investigate joint application of reconfigurable intelligent surface (RIS) and vertical beamforming in cognitive radio networks (CRN). After properly modeling the…
Deep Reinforcement Learning-based Anti-jamming Power Allocation in a Two-cell NOMA Network
Sina Yousefzadeh Marandy, Mohammad Ali Amirabadi, Mohammad Hossein Kahaei +1
The performance of Non-orthogonal Multiple Access (NOMA) system dramatically decreases in the presence of inter-cell interference. This condition gets more challenging if a smart j…
Spectral Efficiency of Dense Multicell Massive MIMO Networks in Spatially Correlated Channels
FahimeSadat Mirhosseini, Aliakbar Tadaion, S. Mohammad Razavizadeh
This paper is on the spectral efficiency (SE) of a dense multi-cell massive multiple-input multiple-output (MIMO). The channels are spatially correlated and the multi-slope path lo…
Secrecy Rate Maximization in Multi-IRS Millimeter Wave Networks
Anahid Rafieifar, S. Mohammad Razavizadeh
This paper investigates the problem of increasing the security at the physical layer of a Millimeter Wave (mmWave) network equipped with several Intelligent Reflecting Surfaces (IR…
Secure Simultaneous Information and Power Transfer for Downlink Multi-user Massive MIMO
Zahra Goli, S. Mohammad Razavizadeh, Hamed Farhadi +1
In this paper, downlink secure transmission in simultaneous information and power transfer (SWIPT) system enabled with massive multiple-input multiple-output (MIMO) is studied. A b…
Jamming-Robust Uplink Transmission for Spatially Correlated Massive MIMO Systems
Hossein Akhlaghpasand, Emil Björnson, S. Mohammad Razavizadeh
In this paper, we consider how the uplink transmission of a spatially correlated massive multiple-input multiple-output (MIMO) system can be protected from a jamming attack. To sup…
Price of Anarchy in Multiuser Massive MIMO: Coordinated versus Uncoordinated Channel Tracking for High-Rate Internet of Things
Hediyeh Soltanizadeh, Shahrokh Farahmand, S. Mohammad Razavizadeh
Incorporation of high-rate internet of things (IoT) service into a massive MIMO framework is investigated. It is revealed that massive MIMO possess the inherent potential to offer…
3D Beamforming in Reconfigurable Intelligent Surfaces-assisted Wireless Communication Networks
S. Mohammad Razavizadeh, Tommy Svensson
Reconfigurable Intelligent Surfaces (RIS) or Intelligent Reflecting Surfaces (IRS) are metasurfaces that can be deployed in various places in wireless environments to make these en…
Jamming Suppression in Massive MIMO Systems
Hossein Akhlaghpasand, Emil Björnson, S. Mohammad Razavizadeh
In this paper, we propose a framework for protecting the uplink transmission of a massive multiple-input multiple-output (mMIMO) system from a jamming attack. Our framework include…
Security Vulnerability of FDD Massive MIMO Systems in Downlink Training Phase
Mohammad Amin Sheikhi, S. Mohammad Razavizadeh
We consider downlink channel training of a frequency division duplex (FDD) massive multiple-input-multiple-output (MIMO) system when a multi-antenna jammer is present in the networ…
Energy Efficiency Maximization in mmWave Wireless Networks with 3D Beamforming
Mahdi Baianifar
In this paper, we address the problem of three dimensional beamforming in millimeter wave (mmWave) wireless networks. In particular, we study the impact of base station (BS) antenn…
QoE-Aware Beamforming Design for Massive MIMO Heterogeneous Networks
Hadis Abarghouyi, S. Mohammad Razavizadeh, Emil Bjornson
One of the main goals of the future wireless networks is improving the users quality of experience (QoE). In this paper, we consider the problem of QoE-based resource allocation in…
Jamming Detection in Massive MIMO Systems
Hossein Akhlaghpasand, S. Mohammad Razavizadeh, Emil Björnson +1
This paper considers the physical layer security of a pilot-based massive multiple-input multiple-output (MaMIMO) system in presence of a multi-antenna jammer. To improve security…