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Musa Furkan Keskin

5 accepted papers

2026

OPTIMAL PLACEMENT OF MOVABLE ANTENNAS FOR ANGLE-OF-DEPARTURE ESTIMATION UNDER USER LOCATION UNCERTAINTY

Lucía Pallarés-Rodríguez, Angelo Coluccia, Alessio Fascista, Musa Furkan Keskin, José A. López-Salcedo
ICASSP 2026oral

Movable antennas (MA) have gained significant attention in recent years to overcome the limitations of extremely large antenna arrays in terms of cost and power consumption. In this paper, we investigate the use of MA arrays at the base station (BS) for angle-of-departure (AoD) estimation under unce…

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2026

PHASE-ONLY POSITIONING IN DISTRIBUTED MIMO UNDER PHASE IMPAIRMENTS: AP SELECTION USING DEEP LEARNING

Fatih Ayten, Musa Furkan Keskin, Akshay Jain, Mehmet C. Ilter
ICASSP 2026oral

Carrier phase positioning (CPP) can enable cm-level accuracy in next-generation wireless systems, while recent literature shows that accuracy remains high using phase-only measurements in distributed MIMO (D-MIMO). However, the impact of phase synchronization errors on such systems remains insuffici…

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2025

Unsupervised Learning for Gain-Phase Impairment Calibration in ISAC Systems

José Miguel Mateos-Ramos, Christian Häger, Musa Furkan Keskin, Luc Le Magoarou, Henk Wymeersch
ICASSP 2025accepted

Gain-phase impairments (GPIs) affect both communication and sensing in 6G integrated sensing and communication (ISAC). We study the effect of GPIs in a single-input, multiple-output orthogonal frequency-division multiplexing ISAC system and develop a model-based unsupervised learning approach to sim…

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2024

Subspace-Based Detection in OFDM ISAC Systems Under Different Constellations

Yangming Lai, Musa Furkan Keskin, Henk Wymeersch, Luca Venturino, Wei Yi, Lingjiang Kong
ICASSP 2024accepted

This paper investigates subspace-based target detection in OFDM integrated sensing and communications (ISAC) systems, considering the impact of various constellations. To meet diverse communication demands, different constellation schemes with varying modulation orders (e.g., PSK, QAM) can be employ…

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2021

ICI-Aware Parameter Estimation for Mimo-Ofdm Radar via Apes Spatial Filtering

Musa Furkan Keskin, Henk Wymeersch, Visa Koivunen
ICASSP 2021accepted

We propose a novel three-stage delay-Doppler-angle estimation algorithm for a MIMO-OFDM radar in the presence of inter-carrier interference (ICI). First, leveraging the observation that spatial co-variance matrix is independent of target delays and Dopplers, we perform angle estimation via the MUSIC…

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