Preprint
Sep 2026
HAPS-RIS or HAPS-Relay: Which Outperforms Under Impairments with NOMA in 6G NTN?
This paper investigates the performance of high-altitude platform station (HAPS)-assisted communication systems employing either reconfigurable intelligent surfaces (RIS) or relay stations (RS) under non-orthogonal multiple access (NOMA) scheme. Practical system impairments, including hardware impairments (HWI) and imp...
Bilal Karaman, Faicel Khennoufa, Ilhan Basturk et al.
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