3 papers
cs.NI2025
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…
cs.NI2025
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…
eess.SP2025
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…