12 papers
Learning Representative Port Subsets for Efficient Fluid Antenna Systems
Quan Zhou, Ming Zeng
Fluid antenna systems (FASs) provide many candidate ports, but probing all ports for each channel realization incurs substantial online overhead. We study a complementary offline p…
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…
Robust Single- and Multi-Pinching Antenna Systems Under User Location Uncertainty
Hao Feng, Ebrahim Bedeer, Ming Zeng +3
Pinching antenna (PA) systems have recently emerged as a promising architecture for reconfigurable wireless communications by enabling flexible antenna placement along a dielectric…
Rotatable Antenna Assisted Mobile Edge Computing
Ji Wang, Hao Chen, Yixuan Li +4
This paper investigates a rotatable antenna (RA) assisted mobile edge computing (MEC) network, where multiple users offload their computation tasks to an edge server equipped with…
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…