9 papers · 1 filter
Adaptive DOA Estimation With KL-Based Kernel Bandwidth Adaptation Under Impulsive Noise
Mojtaba Hajiabadi, Saeid Pakravan, Ghosheh Abed Hodtani +1
Direction-of-arrival (DOA) estimation can degrade markedly in impulsive noise, where methods relying on Gaussian or second-order statistical assumptions are particularly susceptibl…
Fluid Antenna-Enabled Hybrid NOMA and AirFL Networks Under Imperfect CSI and SIC
Saeid Pakravan, Mohsen Ahmadzadeh, Ming Zeng +2
The integration of communication and computation is essential for next-generation wireless systems, especially in scenarios demanding massive connectivity and ultra-low latency. Ov…
Performance Analysis of Fluid Antenna-Assisted Over-the-Air Federated Learning Under Spatially Correlated Fading
Mohsen Ahmadzadeh, Saeid Pakravan, Wessam Ajib +3
Fluid antenna (FA) technology has recently emerged as an effective means of exploiting spatial diversity through position-domain reconfigurability. This paper investigates the inte…
Copula-Based Analysis of Fluid Antenna-Assisted Over-the-Air Computation
Saeid Pakravan, Mohsen Ahmadzadeh, Wessam Ajib +2
This letter studies an uplink over-the-air computation (AirComp) framework in which multiple user equipments are equipped with fluid-antenna (FA) arrays and operate over spatially…
Robust Resource Allocation in RIS-Assisted Wireless Networks Integrating NOMA and Over-the-Air Federated Learning
Saeid Pakravan, Mohsen Ahmadzadeh, Ming Zeng +4
This paper addresses the critical issue of spectrum scarcity and the need to support diverse services, including communication and learning tasks, by presenting a reconfigurable in…
AI-Empowered Resource Allocation for Wirelessly Powered Pinching-Antenna Systems
Saeid Pakravan, Mohsen Ahmadzadeh, Ming Zeng +2
This paper considers a multi-user system, where the users first harvest energy from the base station and then use the harvested energy to transmit information via non-orthogonal mu…
Fluid Antenna Systems under Channel Uncertainty and Hardware Impairments: Trends, Challenges, and Future Research Directions
Saeid Pakravan, Mohsen Ahmadzadeh, Ming Zeng +3
Fluid antenna systems (FAS) have recently emerged as a promising paradigm for achieving spatially reconfigurable, compact, and energy-efficient wireless communications in beyond fi…
Robust Resource Allocation for Over-the-Air Computation Networks with Fluid Antenna Array
Saeid Pakravan, Mohsen Ahmadzadeh, Ming Zeng +3
Fluid antenna (FA) array is envisioned as a promising technology for next-generation communication systems, owing to its ability to dynamically control the antenna locations. In th…
Enhanced Over-the-Air Federated Learning Using AI-based Fluid Antenna System
Mohsen Ahmadzadeh, Saeid Pakravan, Ghosheh Abed Hodtani +3
This paper investigates an over-the-air federated learning (OTA-FL) system that employs fluid antennas (FAs) at an access point. The system enhances learning performance by leverag…