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Hyoung-Kyu Song

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Open access 2026

Secrecy-Oriented Post-Detection Access Point Refinement for Scalable Cell-Free Massive MIMO Under Active Pilot Spoofing Attacks

This paper investigates secrecy-oriented access point (AP) refinement for scalable cell-free massive multiple-input multiple-output (CF-mMIMO) systems after detection of an active pilot spoofing attack. A single-antenna eavesdropper transmits the same pilot sequence as the target user equipment (UE), contaminating loca...

Yeonggyun Jung, Min-Hyeok Choi, Jaehyun Pi et al. · IEEE Open Journal of the Com... · 0 citations

2026

Structured Contextual Deep Learning for Channel Estimation in UAV-OFDM Systems Under Beam Squint and Doppler Effects

Reliable channel estimation (CE) in unmanned aerial vehicles (UAVs)-assisted orthogonal frequency-division multiplexing (OFDM) systems is fundamentally challenged by mobility-induced Doppler dynamics and frequency-dependent beam squint, which jointly distort pilot observations and reduce channel coherence across subcar...

Muhammad Usman, I. Hameed, Md Habibur Rahman et al. · IEEE Transactions on Green C... · 0 citations

Open access 2026

A Profile-Aware Resource Allocation Framework for RAN Slicing in Cell-Free Massive MIMO Networks

A novel Profile-Aware Hierarchical RAN Slicing Framework for User-Centric Cell-Free Massive MIMO systems to overcome limitations of traditional RAN slicing, and effectively eliminates the trade-off between aggregate throughput and individual reliability.

Ja-Eun Kim, Hye-Yoon Jeong, Ji-Woo Lee et al. · IEEE Access · 0 citations