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Dr. Shayan Srinivasa Garani

  • Responsibility: Professor
  • Email: shayangs@iisc.ac.in
  • Years in IISc: 2012–Present (~13.5 years)
  • Total PhDs Graduated: 7
  • Total Journal Papers: 42
  • Total Conference Papers: 67
  • Total Patents: 16

Research Thrust:

  • Physical Data Storage: Modeling, signal processing, information theory, coding theory, and VLSI architectures.
  • Quantum Information Sciences and Engineering: Quantum coding theory, quantum information theory (QIT), quantum computing algorithms, networks, and quantum machine learning (QML).
  • Artificial Intelligence: Neural networks, learning systems, and computational neuroscience/biology.
  • Music Signal Processing: Creation, synthesis, modeling, and retrieval of music signals.

Top 20% Publications:

  1. S. S. Garani et al., “Signal processing and coding techniques for two-dimensional magnetic recording: An overview,” Proceedings of the IEEE, 2018.
  2. Y. Chen and S. G. Srinivasa, “Joint self-iterating equalization and detection for two-dimensional intersymbol-interference channels,” IEEE Transactions on Communications, 2013.
  3. P. J. Nadkarni and S. S. Garani, “Quantum error correction architecture for qudit stabilizer codes,” Physical Review A, 2021.
  4. P. J. Nadkarni et al., “Entanglement-assisted quantum Reed-Muller tensor product codes,” Quantum, 2024.
  5. S. S. Garani, P. J. Nadkarni, and P. Raina, “Theory behind quantum error correcting codes: An overview,” Journal of the Indian Institute of Science, 2023. (Invited Review)
  6. S. S. Garani and B. Vasić, “Channels engineering in magnetic recording: From theory to practice,” IEEE BITS: The Information Theory Magazine, 2023. (Invited from ITSoC)
  7. A. K. Sharma and S. S. Garani, “Entanglement-assisted fault-tolerant encoding and decoding for qudit stabilizer codes,” Physical Review A, Dec. 2024.
  8. P. J. Nadkarni and S. S. Garani, “Entanglement-assisted Reed–Solomon codes over qudits: Theory and architecture,” Quantum Information Processing (Springer), Apr. 2021.
  9. P. J. Nadkarni and S. S. Garani, “Encoding of non-binary entanglement unassisted and assisted stabilizer codes,” IEEE Transactions on Quantum Engineering, Feb. 2021.
  10. P. J. Nadkarni and S. S. Garani, “Coding analog of superadditivity using entanglement-assisted quantum tensor product codes over Fpk,” IEEE Transactions on Quantum Engineering, Sep. 2020.
  11. A. Mondal et al., “Efficient coding architectures for Reed–Solomon and low-density parity-check decoders for magnetic and other data storage systems,” IEEE Transactions on Magnetics, Feb. 2018.
  12. K. Bharadwaj and S. S. Garani, “Efficient encoding algorithm and architecture for 2-D quasicyclic LDPC codes with applications to 2-D magnetic recording,” IEEE Transactions on Magnetics, Nov. 2025.
  13. C. K. Matcha et al., “2D LDPC codes and joint detection and decoding for two-dimensional magnetic recording,” IEEE Transactions on Magnetics, Feb. 2018.
  14. P. Gowgi and S. S. Garani, “Temporal self-organization: A reaction-diffusion framework for spatio-temporal memories,” IEEE Transactions on Neural Networks and Learning Systems, Feb. 2019. (Nominated for Best Paper Award)
  15. S. S. Garani and H. Seshadri, “An algorithmic approach to South-Indian classical music,” Journal of Mathematics and Music, May 2019.

Patents and Stats:

  • Method and apparatus for interpolative timing recovery for two-dimensional magnetic recording systems.
    Inventors: Shayan Srinivasa Garani, B. P. Reddy, E. Modak
    Indian Patent No.: 489855, Dec. 2023
  • Systems and method for machine automated synthesis of music.
    Inventors: Shayan Srinivasa Garani, Harish Seshadri, Praveen Nandakumar
    Indian Patent No.: 410473, Oct. 2022
  • Reed Solomon decoder and decoding methods.
    Inventors: S. Thattimattala, V. K. Yalamaddi
    United States Patent No.: 10,439,643, Oct. 2019
    (Also granted in India and Japan)
  • Method and apparatus for joint adaptation of two-/multi-dimensional equalizer and partial response target.
    Inventors: Chaitanya Kumar Matcha, Arnab Dey
    United States Patent No.: 10,026,441, Jul. 2018
    (Also granted in India, Patent No. 553216)
  • Identifying a defect in a data-storage medium.
    Inventor: Sivagnanam Parthasarathy
    United States Patent No.: 9,324,370, 2016
  • Method and system for monitoring data channel to enable use of dynamically adjustable LDPC coding parameters in a data storage system.
    Inventors: Kent D. Anderson, Anantha Raman Krishnan, Guangming Lu, Shafa Dahandeh, Andrew J. Tomlin
    Patent No.: 9,214,963, Dec. 2015
  • Systems and methods for improved encoding of data in data storage devices.
    Inventor: Shayan G. Srinivasa
    Patent No.: 9,203,434, Dec. 2015
  • Decoding data stored in solid-state memory.
    Inventors: Anantha Raman Krishnan, Kent Anderson
    Patent No.: 8,990,668, Mar. 2015
  • Data storage device tracking log-likelihood ratio for a decoder based on past performance.
    Inventors: Anantha Raman Krishnan, Kent Anderson, Shafa Dahandeh
    Patent No.: 8,856,615, Oct. 2014
  • Methods and devices for joint two-dimensional self-iterating equalization and detection.
    Inventor: Yiming Chen
    Patent No.: 8,760,782, June 2014
  • Constrained on-the-fly interleaver address generation.
    Inventors: Sivagnanam Parthasarathy, Sudha Thipparthi
    Patent No.: 8,625,220, Jan. 2014
  • Methods and devices for two-dimensional iterative multi-track based MAP detection.
    Inventor: Yiming Chen
    Patent No.: 8,582,223, Nov. 2013
  • Encoding apparatus, system and method using LDPC codes.
    Inventor: Shayan G. Srinivasa
    Patent No.: 8,397,125, Mar. 2013
  • Adaptive data dependent noise prediction.
    Inventors: Mustafa Kaynak, Stefano Valle, Sivagnanam Parthasarathy
    Patent No.: 8,290,102, 2012
  • Interlaced iterative system design for 1K-byte block with 512-byte LDPC code words.
    Inventors: Xinde Hu, Sivagnanam Parthasarathy, Anthony Weathers, Richard Barndt
    Patent No.: 8,255,768, 2012
  • Channel constrained code aware interleavers.
    Inventors: Nicholas Richardson, Xinde Hu
    Patent No.: 8,055,973, 2011