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Metin Ozturk

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Open access Aug 2026

Switching Cells by Meaning, Not Bits: Semantic-Aware Sleep-Mode Control in Multi-Tier Aerial-Terrestrial Networks

Integrating uncrewed aerial vehicles (UAVs) and high-altitude platform stations (HAPS) into terrestrial cellular wireless networks is central to emerging sixth-generation (6G) communication systems. However, the energy budgets of both the ground network and the power-constrained aerial platforms are a serious concern....

Metin Ozturk · 0 citations
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. · 0 citations
Jul 2026

Unified Optimization of Solar-Powered Cell Switching in HAPS-Assisted 6G Networks

Simulation results demonstrate that the proposed integrated green energy strategy, leveraging GA and k-means clustering, achieves considerable energy savings compared to baseline approaches and clustering-based problem simplification is shown to deliver performance comparable to the full-scale solution that explores th...

Metin Ozturk · 0 citations

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