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…