OLIVIA ZACHARIA

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Publications (10)

• Low Complexity estimation of fractional delay-Doppler-Angle parameters in MIMO-OTFS ISAC system
  Digital Signal Processing 2026 DOI: 10.1016/j.dsp.2026.105960
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• Wideband Distortion-Aware Sparse Channel Representation and Estimation for THz Massive MIMO-OTFS Systems
  IEEE Open Journal of the Communications Society 2026 DOI: 10.1109/OJCOMS.2026.3713205
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• Sparse Channel Estimation in Wideband THz Massive MIMO-OTFS Systems: A Frequency Domain Approach
  2025 DOI: 10.36227/techrxiv.176281087.74458467/v2
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• Sparse Channel Estimation in Wideband THz Massive MIMO-OTFS Systems: A Frequency Domain Approach
  2025 DOI: 10.36227/techrxiv.176281087.74458467/v1
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• Low Complexity Channel Estimation in OTFS Enabled MIMO Systems
  IEEE Space, Aerospace and Defence Conference 2025 DOI: 10.1109/SPACE65882.2025.11171147
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• SUPER-RESOLUTION SENSING OF USER EQUIPMENT USING DELAY-DOPPLER PILOT-DATA STRUCTURE IN RIS-AIDED OTFS SYSTEMS
  Ieee International Conference on Acoustics, Speech, and Signal Processing Workshops, Icasspw 2024 DOI: 10.1109/ICASSPW62465.2024.10626649
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• Fractional Delay and Doppler Estimation for OTFS Based ISAC Systems
  IEEE Wireless Communications and Networking Conference, WCNC 2023 DOI: 10.1109/WCNC55385.2023.10118873
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• Target parameter estimation for OTFS radar using sparse signal processing
  Physical Communication 2023 DOI: 10.1016/j.phycom.2023.102040
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• Performance Analysis of OTFS Signal with Different Pulse Shapes for JCR Systems
  IEEE International Colloquium on Signal Processing & Applications (CSPA) 2022 DOI: 10.1109/CSPA55076.2022.9781902
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• A comparative analysis between DWT-bitplane slicing algorithm and histogram shape based algorithm for image watermarking
  IEEE International Conference on Circuits and Systems, ICCS 2017 2017 DOI: 10.1109/ICCS1.2017.8326026
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