64 citations · 66 across the 9 of their papers we have counts for
9 papers
HAPS-RIS or HAPS-Relay: Which Outperforms Under Impairments with NOMA in 6G NTN?
Bilal Karaman, Faicel Khennoufa, Ilhan Basturk +4
This paper investigates the performance of high-altitude platform station (HAPS)-assisted communication systems employing either reconfigurable intelligent surfaces (RIS) or relay…
Two-Tier High Altitude Platform Stations (HAPS) for Exploring Wireless Energy Harvesting
Faicel Khennoufa, Khelil Abdellatif, Halim Yanikomeroglu +3
In sixth-generation (6G) cellular networks and beyond, aerial platforms, such as uncrewed aerial vehicles (UAVs) and high-altitude platform stations (HAPS), are anticipated to play…
HAPS-RIS-assisted IoT Networks for Disaster Recovery and Emergency Response: Architecture, Application Scenarios, and Open Challenges
Bilal Karaman, Ilhan Basturk, Engin Zeydan +4
Reliable and resilient communication is essential for disaster recovery and emergency response, yet terrestrial infrastructure often fails during large-scale natural disasters. Thi…
On the Trade-Off Between Sum-Rate and Energy Efficiency through the Convergence of HAPS and Active RIS Technologies
Bilal Karaman, Ilhan Basturk, Ferdi Kara +3
This paper investigates the integration of active reconfigurable intelligent surfaces (RIS) relay with high-altitude platform stations (HAPS) to enhance non-terrestrial network (NT…
On-Demand HAPS-Assisted Communication System for Public Safety in Emergency and Disaster Response
Bilal Karaman, Ilhan Baştürk, Ferdi Kara +5
Natural disasters often disrupt communication networks and severely hamper emergency response and disaster management. Existing solutions, such as portable communication units and…
Near-Field SWIPT with gMIMO in the Upper Mid-Band: Opportunities, Challenges, and the Way Forward
Özlem Tugfe Demir, Mustafa Ozger, Ferdi Kara +2
This paper explores the integration of simultaneous wireless information and power transfer (SWIPT) with gigantic multiple-input multiple-output (gMIMO) technology operating in the…
Solutions for Sustainable and Resilient Communication Infrastructure in Disaster Relief and Management Scenarios
Bilal Karaman, Ilhan Basturk, Sezai Taskin +6
As natural disasters become more frequent and severe, ensuring a resilient communications infrastructure is of paramount importance for effective disaster response and recovery. Th…
Reconfigurable Intelligent Surfaces in Upper Mid-Band 6G Networks: Gain or Pain?
Ferdi Kara, Özlem Tuğfe Demir, Emil Björnson
Reconfigurable intelligent surfaces (RISs) have emerged as one of the most studied topics in recent years, hailed as a transformative technology with the potential to revolutionize…
Enabling 6G Performance in the Upper Mid-Band by Transitioning From Massive to Gigantic MIMO
Emil Björnson, Ferdi Kara, Nikolaos Kolomvakis +3
The initial 6G networks will likely operate in the upper mid-band (7-24 GHz), which has decent propagation conditions but underwhelming new spectrum availability. In this paper, we…