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Publications

* For the latest publications, visit my Google Scholar profile.

Preprints

  1. Maximally recoverable codes with locality and availability
    Umberto Martínez-Peñas, V. Lalitha, Submitted to Transactions on Information Theory, May 2025.[arXiv]
  2. An Upper Bound on the Error Probability of RPA Decoding of Reed-Muller Codes Over the BSC
    V. Arvind Rameshwar, V. Lalitha, Submitted to Transactions on Information Theory, May 2025. [arXiv]
  3. On the Service Rate Region of Reed-Muller Codes
    Hoang Ly, Emina Soljanin, V. Lalitha, Submitted ot Transactions on Information Theory, July 2025. [arXiv]

Journals

  1. An Optimization Framework based on Deep Reinforcement Learning Approaches for Prism Blockchain
    Divija Swetha Gadiraju, V. Lalitha, V. Aggarwal
    IEEE Transactions on Services Computing, 16(4):2451–2461, 2023.[IEEE Xplore]

  2. On Gradient Coding with Partial Recovery
    S. Sarmasarkar, V. Lalitha, N. Karamchandani
    IEEE Transactions on Communications, 71(2):644–657, Feb. 2023. [IEEE Xplore]

  3. Maximally Recoverable Codes with Hierarchical Locality: Constructions and Field-size Bounds
    D. Shivakrishna, Aaditya M. Nair, V. Lalitha
    IEEE Transactions on Information Theory, 69(2):842–859, Feb. 2023. [IEEE Xplore]

  4. On Rack-Aware Cooperative Regenerating Codes and Epsilon-MSCR Codes
    Shreya Gupta, Bh. Rekha Devi, V. Lalitha
    IEEE Journal on Selected Areas in Information Theory, 3(2):362–378, Jun. 2022. [IEEE Xplore]

  5. An Umbrella Converse for Data Exchange: Applied to Caching, Computing, Shuffling and Rebalancing
    Prasad Krishnan, L. Natarajan, V. Lalitha
    Entropy, 23(8):985, 2021. [IEEE Xplore]

  6. Classification of Targets Using Statistical Features from Range FFT of mmWave FMCW Radars
    J. Bhatia, A. Dayal, A. Jha, S.K. Vishvakarma, S. Joshi, M.B. Srinivas, P.K. Yalavarthy, A. Kumar, V. Lalitha, S. Koorapati, et al. Electronics, vol. 10, no. 16, article 1965, August 2021. [Online]

  7. Codes with Minimum Bandwidth Cooperative Local Regeneration
    M. Nikhil Krishnan, V. Lalitha, Sreeranjani Didugu
    IEEE Communication Letters, 24(12):2669–2673, Dec. 2020. [IEEE Xplore]

  8. Locally Decodable Index Codes
    L. Natarajan, P. Krishnan, V. Lalitha, Hoang Dau
    IEEE Transactions on Information Theory, vol. 66, no. 12, pp. 7387–7407, December 2020. [IEEE Xplore]

  9. Straggler Mitigation with Tiered Gradient Codes
    Shanuja Sasi, V. Lalitha, Vaneet Aggarwal, B. Sundar Rajan
    IEEE Transactions on Communications, vol. 68, no. 8, pp. 4632–4647, August 2020. [IEEE Xplore]

  10. Codes with Locality for Two Erasures
    N. Prakash, V. Lalitha, S. B. Balaji, P. Vijay Kumar
    IEEE Transactions on Information Theory, vol. 65, no. 12, pp. 7771–7789, December 2019. [IEEE Xplore]

  11. Codes with Local Regeneration and Erasure Correction
    Govinda M. Kamath, N. Prakash, V. Lalitha, P. Vijay Kumar
    IEEE Transactions on Information Theory, vol. 60, no.8, pp.4637–4660, August 2014. [IEEE Xplore]

  12. Linear Coding Schemes for the Distributed Computation of Subspaces
    V. Lalitha, N. Prakash, K. Vinodh, P. Vijay Kumar, S. Sandeep Pradhan
    IEEE Journal on Selected Areas in Communications, Special Issue on In-Network Computation: Exploring the Fundamental Limits, vol.31, no.4, pp.678–690, April 2013. [IEEE Xplore]

  13. Distributed detection in the presence of correlated sensor readings: signal-space and communication-complexity view-point
    Venkatesan N. E., Tarun Agarwal, V. Lalitha, P. Vijay Kumar
    Special issue of Adhoc Networks, Elsevier, vol. 9, no. 6, pp. 1015-1027, August 2011. [online]

  14. Distributed Function Computation over fields and rings via linear compression of sources
    K. Vinodh, V. Lalitha, N. Prakash, P. Vijay Kumar, and S. Sandeep Pradhan
    Journal of the Indian Institute of Science, vol. 91, no. 1, pp. 181-205, January-March 2011.

  15. Wireless sensor networks for human intruder detection
    The SmartDetect Project Team
    Journal of the Indian Institute of Science, Special issue on Advances in Electrical Science, vol. 90, no. 3, pp. 471-480, July-September 2010.

  16. DMT of Wireless Networks: An Overview
    K. Vinodh, N. Prakash, V. Lalitha, and P. V. Kumar
    Journal of Communications, vol. 5, no. 4, pp. 265-281, April 2010 (Invited). [online]

Conferences

  1. Generalized Dual Discriminator GANs
    Penukonda Naga Chandana, Tejas Srivastava, Gowtham R. Kurri, V. Lalitha
    accepted to ITW 2025, Sydney, Australia. [arXiv]

  2. An upper bound on the error probability of RPA decoding of Reed-Muller codes over the BSC
    V. Arvind Rameshwar, V. Lalitha
    accepted to IEEE ISIT 2025, Ann Arbor, Michigan. [arXiv]

  3. On the Service Rate Region of Reed-Muller Codes
    Hoang Ly, Emina Soljanin, V. Lalitha
    accepted to IEEE ISIT 2025, Ann Arbor, Michigan. [arXiv]

  4. On the Efficacy of the Peeling Decoder for the Quantum Expander Code
    Jefrin Sharmitha Prabhu, Abhinav Vaishya, Shobhit Bhatnagar, Aryaman Manish Kolhe, V. Lalitha, P. Vijay Kumar
    accepted to IEEE ISIT 2025, Ann Arbor, Michigan. [arXiv]

  5. On Distributed Multi-User Secret Sharing with Multiple Secrets per User
    C. Rasagna, A. Harshithanjani, V. Lalitha, N. Karamchandani
    Proc. NCC 2024, Chennai, India. [IEEE Xplore]

  6. On the Structure of Higher Order MDS Codes
    A. Harshithanjani, C. Rasagna, Prasad Krishnan, V. Lalitha
    Proc. IEEE ISIT 2023, Taipei, Taiwan. [IEEE Xplore]

  7. Tamo-Barg Codes with Efficient Local Repair
    U. S. S. Sasanka and V. Lalitha
    Proc. IEEE Information Theory Workshop (ITW), 2022, Mumbai, India. [IEEE Xplore]

  8. Some Results on Maximally Recoverable Codes with Locality and Hierarchical Locality
    D. Shivakrishna and V. Lalitha
    Proc. IEEE International Symposium on Information Theory (ISIT), 2022, Espoo, Finland. [IEEE Xplore]

  9. Properties and Constructions of Maximally Recoverable Product codes
    D. Shivakrishna and V. Lalitha
    Proc. National Conference on Communications (NCC), 2022, Mumbai, India. [IEEE Xplore]

  10. Learning to Decode Trellis Coded Modulation
    Jayant Sharma and V. Lalitha
    accepted in National Conference on Communications (NCC) 2021, Kanpur, India. [IEEE Xplore]

  11. On Gradient Coding with Partial Recovery
    S. Sarmasarkar, V. Lalitha and N. Karamchandani
    accepted in IEEE International Symposium on Information Theory (ISIT) 2021, Melbourne, Australia. [IEEE Xplore]

  12. A Field Size Bound and Constructions of Maximally Recoverable Codes with Hierarchical Locality
    D. Shivakrishna, Aaditya M. Nair and V. Lalitha
    accepted in IEEE International Symposium on Information Theory (ISIT) 2021, Melbourne, Australia. [IEEE Xplore]

  13. Secure Raptor Encoder and Decoder for Low Storage Blockchain
    Aayush Tiwari and V. Lalitha
    Proc. COMSNETS, 2021, Bengaluru, India (poster paper). [IEEE Xplore]

  14. An Umbrella Converse for Data Exchange: Applied to Caching, Computing, Shuffling and Rebalancing
    Prasad Krishnan, L. Natarajan and V. Lalitha
    accepted in IEEE Information Theory Workshop, 2020, Riva Del Garda, Italy. [IEEE Xplore]

  15. Secure Regenerating Codes for Reducing Storage and Bootstrap Costs in Sharded Blockchains
    Divija Swetha Gadiraju, V. Lalitha and Vaneet Aggarwal
    Proc. IEEE International Conference on Blockchain (Blockchain), 2020, Rhode Island, Greece. [IEEE Xplore]

  16. Rack-aware Cooperative Regenerating Codes
    Shreya Gupta and V. Lalitha
    Proc. International Symposium on Information Theory and Applications (ISITA), 2020, Hawaii, USA. [IEEE Xplore]

  17. Coded Data Rebalancing: Fundamental Limits and Constructions
    Prasad Krishnan, V. Lalitha and L. Natarajan
    Proc. IEEE International Symposium on Information Theory (ISIT), 2020, LA, USA. [IEEE Xplore]

  18. On the Polarizing Behavior and Scaling Exponent of Polar Codes with Product Kernels
    M. Bhandari, I. Bansal and V. Lalitha
    Proc. National Conference on Communications (NCC) 2020, Kharagpur, India. [IEEE Xplore]

  19. On Epsilon-MSCR Codes for Two Erasures
    Bh. Rekha Devi and V. Lalitha
    Proc. IEEE International Symposium on Information Theory (ISIT), 2019, Paris, France. [IEEE Xplore]

  20. Locality in Index Coding for Large Min-Rank
    L. Natarajan, H. Dau, Prasad Krishnan and V. Lalitha
    Proc. IEEE International Symposium on Information Theory (ISIT), 2019, Paris, France. [IEEE Xplore]

  21. Maximally Recoverable Codes with Hierarchical Locality
    Aaditya M. Nair and V. Lalitha
    Proc. National Conference on Communications (NCC)} 2019, Bangalore, India (Best Paper Award (Runner Up)). [IEEE Xplore]

  22. On Locally Decodable Index Codes
    L. Natarajan, Prasad Krishnan and V. Lalitha
    Proc. IEEE International Symposium on Information Theory (ISIT), 2018, Vail, Colorado. [IEEE Xplore]

  23. On Maximally Recoverable Codes for Product Topologies
    D. Shivakrishna, V. Arvind Rameshwar, V. Lalitha and Birenjith Sasidharan
    Proc. National Conference on Communications (NCC)} 2018, Hyderabad, India. [IEEE Xplore]

  24. Locality-Aware Coded MapReduce for Server-Rack Architecture
    Sneh Gupta and V. Lalitha
    Proc. IEEE Information Theory Workshop (ITW) 2017, Kaohsiung, Taiwan. [IEEE Xplore]

  25. Rate 1/3 Index Coding: Forbidden and Feasible Configurations
    V. Lalitha, Prasad Krishnan
    Proc. IEEE International Symposium on Information Theory (ISIT), 2017, Aachen, Germany. [IEEE Xplore]

  26. A class of index coding problems with rate 1/3
    Prasad Krishnan and V. Lalitha
    Proc. International Symposium on Information Theory (ISIT), 2016, Barcelona, Spain. [IEEE Xplore]

  27. Weight Enumerators and Higher Support Weights of Maximally Recoverable Codes
    V. Lalitha and Satyanarayana V. Lokam
    Proc. 53rd Annual Allerton Conference on Communication, Control, and Computing, October 2015. [IEEE Xplore]

  28. Codes with Locality for Two Erasures
    N. Prakash, V. Lalitha, and P. Vijay Kumar
    Proc. IEEE International Symposium on Information Theory (ISIT), July 2014. [IEEE Xplore]

  29. Evaluation of Codes with Inherent Double Replication for Hadoop
    M. Nikhil Krishnan, N. Prakash, V. Lalitha, Birenjith P. S., P. Vijay Kumar, Srinivasan Narayanamurthy, Ranjit Kumar and Siddhartha Nandi
    Proc. USENIX HotStorage, June 2014. [USENIX]

  30. Codes with Local Regeneration
    Govinda M. Kamath, N. Prakash, V. Lalitha, and P. Vijay Kumar
    Proc. IEEE International Symposium on Information Theory (ISIT), July 2013. [IEEE Xplore]

  31. Explicit MBR All-Symbol Locality Codes
    Govinda M. Kamath, Natalia Silberstein, N. Prakash, Ankit Singh Rawat, V. Lalitha, Onur Ozan Koyluoglu P. Vijay Kumar and Sriram Vishwanath
    Proc. IEEE International Symposium on Information Theory (ISIT), July 2013. [IEEE Xplore]

  32. Optimal Linear Codes with a Local-Error-Correction Property
    N. Prakash, Govinda M. Kamath, V. Lalitha, and P. Vijay Kumar
    Proc IEEE International Symposium of Information Theory (ISIT), Cambridge, MA, July 2012. [IEEE Xplore]

  33. On the t-designs and Bounds Relating Query Complexity to Error Resilience in Locally Correctable Codes
    V. Lalitha, N. Prakash, Govinda M. Kamath and P. Vijay Kumar
    Proc. National Conference on Communications (NCC), February 2012. [IEEE Xplore]

  34. A Nested Linear Codes Approach to Distributed Function Computation Over Subspaces
    V. Lalitha, N. Prakash, K. Vinodh, P. Vijay Kumar, and S. Sandeep Pradhan
    Proc. Annual Allerton Conference on Communication, Control, and Computing (Allerton), October 2011. [IEEE Xplore]

  35. Subspace-based DOA Estimation Using Fractional Lower Order Statistics
    K. V. S. Hari and V. Lalitha
    Proc. IEEE International Conference on Acoustics Speech and Signal Processing (ICASSP), Prague, Czech Republic, May 2011. [IEEE Xplore]

  36. On the achievable rates of sources having a group alphabet in a distributed source coding setting,
    K. Vinodh, V. Lalitha, N. Prakash, P. Vijay Kumar, and S. Sandeep Pradhan
    Proc. Annual Allerton Conference on Communication, Control, and Computing (Allerton), October 2010.