Publications

Journals

  1. R. Schlegel, S. Kumar, E. Rosnes, A. Graell i Amat, “Codedpaddedfl and codedsecagg: Straggler mitigation and secure aggregation in federated learning,” IEEE Transactions on Communications, vol. 71, no. 4, Apr. 2023
  2. R. Schlegel, S. Kumar, E. Rosnes, A. Graell i Amat, “Privacy-Preserving Coded Mobile Edge Computing for Low-Latency Distributed Inference,” IEEE Journal on Selected Areas in Communications (JSAC), vol. 40, no. 3, Jan. 2022
  3. H.-Y. Lin, S. Kumar, E. Rosnes, A. Graell i Amat, E. Yaakobi, “Multi-Server Weakly-Private Information Retrieval,” IEEE Transactions on Information Theory, vol. 68, no. 2, Feb. 2021
  4. H.-Y. Lin, S. Kumar, E. Rosnes, A. Graell i Amat, E. Yaakobi, “The Capacity of Single-Server Weakly-Private Information Retrieval,” IEEE Journal on Selected Areas in Information Theory, vol. 2, no. 1, Mar. 2021
  5. S. Kumar, H.-Y. Lin, E. Rosnes, A. Graell i Amat, “Achieving maximum distance separable private information retrieval capacity with linear codes,” IEEE Transactions on Information Theory, vol. 65, no. 8, Aug. 2019
  6. S. Kumar, A. Graell i Amat, E. Rosnes, L. Senigagliesi, “Private Information Retrieval From a Cellular Network With Caching at the Edge,” IEEE Transactions on Communications, vol. 67, no. 7, Jul. 2019
  7. S. Kumar, A. Graell i Amat, I. Andriyanova, F. Brännström, E. Rosnes, “Code Constructions for Distributed Storage with Low Repair Bandwidth and Low Repair Complexity,” IEEE Transactions on Communications, vol. 66, no. 12, Dec. 2018
  8. S. Kumar, E. Rosnes, A. Graell i Amat, “Secure Repairable Fountain Codes,” IEEE Communications Letters, vol. 20, no. 8, Aug. 2016

Conferences

  1. S. Kumar, M. H. Moghaddam, A. Wolfgang, T. Svensson, “Path Assignment in Mesh Networks at the Edge of Wireless Networks, ” in Proc. IEEE International Conference on Communications (ICC) Workshop, Montreal, Canada, Jun. 2025
  2. R. Schlegel, S. Kumar, E. Rosnes, A. Graell i Amat, “Straggler-resilient secure aggregation for federated learning, ” in Proc. Eur. Signal Process. Conf. (EUSIPCO), Belgrade, Serbia, Aug./Sep. 2022 (Invited paper)
  3. S. Kumar, R. Schlegel, E. Rosnes, A. Graell i Amat, “Coding for Straggler Mitigation in Federated Learning, ” in Proc. IEEE International Conference on Communications (ICC), Seoul, South Korea, May 2022
  4. A. Frigård, S. Kumar, E. Rosnes, A. Graell i Amat, “Low-Latency Distributed Inference at the Network Edge Using Rateless Codes,” in Proc. International Symposium on Wireless Communication Systems (ISWCS), Berlin, Germany, Sep. 2021 (Invited paper)
  5. R. Schlegel, S. Kumar, E. Rosnes, A. Graell i Amat, “Private Edge Computing for Linear Inference Based on Secret Sharing,” in Proc. IEEE Global Communications Conference (GLOBECOM), Taipei, Taiwan, Dec. 2020
  6. H.-Y. Lin, S. Kumar, E. Rosnes, A. Graell i Amat, E. Yaakobi, “The Capacity of Single-Server Weakly-Private Information Retrieval,” in Proc. IEEE International Symposium on Information Theory (ISIT), Los Angeles, CA, Jun. 2020
  7. H.-Y. Lin, S. Kumar, E. Rosnes, A. Graell i Amat, “Improved Private Information Retrieval for Coded Storage From Code Decomposition,” in Proc. IEEE Information Theory Workshop (ITW), Visby, Gotland, Sweden, Aug. 2019 (Invited paper)
  8. S. Kumar, A. Graell i Amat, E. Rosnes, “Private Information Retrieval in Wireless Coded Caching,” in Proc. IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Cannes, France, Jul. 2019 (Invited paper)
  9. H.-Y. Lin, S. Kumar, E. Rosnes, A. Graell i Amat, E. Yaakobi, “Weakly-Private Information Retrieval,” in Proc. IEEE International Symposium on Information Theory (ISIT), Paris, France, Jul. 2019
  10. S. Kumar, H.-Y. Lin, E. Rosnes, A. Graell i Amat, “Local Reconstruction Codes: A Class of MDS-PIR Capacity-Achieving Codes,” in Proc. IEEE Information Theory Workshop (ITW), Guangzhou, China, Nov. 2018
  11. H.-Y. Lin, S. Kumar, E. Rosnes, A. Graell i Amat, “Asymmetry helps: Improved private information retrieval protocols for distributed storage,” in Proc. IEEE Information Theory Workshop (ITW), Guangzhou, China, Nov. 2018
  12. H.-Y. Lin, S. Kumar, E. Rosnes, A. Graell i Amat, “An MDS-PIR Capacity-Achieving Protocol for Distributed Storage Using Non-MDS Linear Codes,” in Proc. IEEE International Symposium on Information Theory (ISIT), Vail, CO, Jun. 2018
  13. S. Kumar, E. Rosnes, A. Graell i Amat, “Private Information Retrieval in Distributed Storage Systems Using an Arbitrary Linear Code,” in Proc. IEEE International Symposium on Information Theory (ISIT), Aachen, Germany, Jun. 2017
  14. S. Kumar, A. Graell i Amat, I. Andriyanova, F. Brännström, “A Family of Erasure Correcting Codes with Low Repair Bandwidth and Low Repair Complexity,” in Proc. IEEE Global Communications Conference (GLOBECOM), San Diego, CA, Dec. 2015

Theses

  1. S. Kumar, “Privacy, Security, and Repair in Distributed Storage Systems,” (Doctoral Thesis), University of Bergen, Aug. 2018
  2. S. Kumar, “Repair Efficient Erasure Correcting Codes for Distributed Storage Systems,” (Master Thesis), Chalmers University of Technology, Jun. 2015
  3. S. Kumar, “Speaker Emotion Recognition for Human Computer Interaction,” (Bachelor Thesis), Amrita Vishwavidyapeetham, May 2013

../