51 citations · 198 across the 17 of their papers we have counts for
17 papers
A Novel 3D Antenna Architecture with Spatial Resource Allocation for Massive MIMO HAPS
Rozita Shafie, Omid Abbasi, Halim Yanikomeroglu +1
Spatial correlation poses a significant challenge in massive multiple-input multiple-output (MIMO) high-altitude platform station (HAPS) systems. The inherent spatial correlation a…
Beamforming for Massive MIMO Aerial Communications: A Robust and Scalable DRL Approach
Hesam Khoshkbari, Georges Kaddoum, Omid Abbasi +2
This paper presents a distributed beamforming framework for a constellation of airborne platform stations (APSs) in a massive Multiple-Input and Multiple-Output (MIMO) non-terrestr…
Distributed Beamforming in Massive MIMO Communication for a Constellation of Airborne Platform Stations
Hesam Khoshkbari, Georges Kaddoum, Bassant Selim +2
Non-terrestrial base stations (NTBSs), including high-altitude platform stations (HAPSs) and hot-air balloons (HABs), are integral to next-generation wireless networks, offering co…
Hemispherical Antenna Array Architecture for High-Altitude Platform Stations (HAPS) for Uniform Capacity Provision
Omid Abbasi, Halim Yanikomeroglu, Georges Kaddoum
In this paper, we present a novel hemispherical antenna array (HAA) designed for high-altitude platform stations (HAPS). A significant limitation of traditional rectangular antenna…
MIMO-NOMA Enabled Sectorized Cylindrical Massive Antenna Array for HAPS with Spatially Correlated Channels
Rozita Shafie, Mohammad Javad Omidi, Omid Abbasi +1
The high altitude platform station (HAPS) technology is garnering significant interest as a viable technology for serving as base stations in communication networks. However, HAPS…
Handoff-Aware Distributed Computing in High Altitude Platform Station (HAPS)-Assisted Vehicular Networks
Qiqi Ren, Omid Abbasi, Gunes Karabulut Kurt +2
Distributed computing enables Internet of vehicle (IoV) services by collaboratively utilizing the computing resources from the network edge and the vehicles. However, the computing…
A VHetNet-Enabled Asynchronous Federated Learning-Based Anomaly Detection Framework for Ubiquitous IoT
Weili Wang, Omid Abbasi, Halim Yanikomeroglu +3
Anomaly detection for the Internet of Things (IoT) is a major intelligent service required by many fields, including intrusion detection, device-activity analysis, and security sup…
FLSTRA: Federated Learning in Stratosphere
Amin Farajzadeh, Animesh Yadav, Omid Abbasi +2
We propose a federated learning (FL) in stratosphere (FLSTRA) system, where a high altitude platform station (HAPS) facilitates a large number of terrestrial clients to collaborati…
HAPS for 6G Networks: Potential Use Cases, Open Challenges, and Possible Solutions
Omid Abbasi, Animesh Yadav, Halim Yanikomeroglu +3
High altitude platform station (HAPS), which is deployed in the stratosphere at an altitude of 20-50 kilometres, has attracted much attention in recent years due to their large foo…
VHetNets for AI and AI for VHetNets: An Anomaly Detection Case Study for Ubiquitous IoT
Weili Wang, Omid Abbasi, Halim Yanikomeroglu +3
Vertical heterogenous networks (VHetNets) and artificial intelligence (AI) play critical roles in 6G and beyond networks. This article presents an AI-native VHetNets architecture t…
Power Allocation for a HAPS-Enabled MIMO-NOMA System with Spatially Correlated Channels
Rozita Shafie, Mohammad Javad Omidi, Omid Abbasi +1
High-altitude platform station (HAPS) systems are considered to have great promise in the multi-tier architecture of the sixth generation (6G) and beyond wireless networks. A HAPS…
Handling Interference in Integrated HAPS-Terrestrial Networks through Radio Resource Management
Afsoon Alidadi Shamsabadi, Animesh Yadav, Omid Abbasi +1
Vertical heterogeneous networks (vHetNets) are promising architectures to bring significant advantages for 6G and beyond mobile communications. High altitude platform station (HAPS…
UxNB-Enabled Cell-Free Massive MIMO with HAPS-Assisted Sub-THz Backhauling
Omid Abbasi, Halim Yanikomeroglu
In this paper, we propose a cell-free scheme for unmanned aerial vehicle (UAV) base stations (BSs) to manage the severe intercell interference between terrestrial users and UAV-BSs…
Transmission Scheme, Detection and Power Allocation for Uplink User Cooperation with NOMA and RSMA
Omid Abbasi, Halim Yanikomeroglu
In this paper, we propose two novel cooperative-non-orthogonal-multiple-access (C-NOMA) and cooperative-rate-splitting-multiple-access (C-RSMA) schemes for uplink user cooperation.…
Caching and Computation Offloading in High Altitude Platform Station (HAPS) Assisted Intelligent Transportation Systems
Qiqi Ren, Omid Abbasi, Gunes Karabulut Kurt +2
Edge intelligence, a new paradigm to accelerate artificial intelligence (AI) applications by leveraging computing resources on the network edge, can be used to improve intelligent…
An Application-Driven Non-Orthogonal Multiple Access Enabled Computation Offloading Scheme
Qiqi Ren, Jian Chen, Omid Abbasi +3
To cope with the unprecedented surge in demand for data computing for the applications, the promising concept of multi-access edge computing (MEC) has been proposed to enable the n…
Trajectory Design and Power Allocation for Drone-Assisted NR-V2X Network with Dynamic NOMA/OMA
Omid Abbasi, Halim Yanikomeroglu, Afshin Ebrahimi +1
In this paper, we find trajectory planning and power allocation for a vehicular network in which an unmanned-aerial-vehicle (UAV) is considered as a relay to extend coverage for tw…