On arXiv:

1. Jaya Goel and J. Harshan ``Hybrid-ARQ Based Relaying Strategies for Enhancing Reliability in Delay-Bounded Networks," arXiv, Aug. 2022. (Shorter version in WiOpt 2022) 

Journals:

1. Vivek Chaudhary and J. Harshan, ``Low-Latency Communication using Delay-Aware Relays Against Reactive Adversaries," in IEEE Transactions on Communications, Vol. 71, No. 06, pp. 3481--3496, June. 2023. 

2. Jaya Goel and J. Harshan ``One-Hop Listening Based ARQs for Low-Latency Communication in Multi-Hop Networks," in IEEE Transactions on Wireless Communications, Vol. 22, No. 02, pp. 1044-1059, Feb. 2023.  

3. Vivek Chaudhary and J. Harshan, ``Constellation Design for Non-Coherent Fast-Forward Relays to Mitigate Full-Duplex Jamming Attacks," in IEEE Transactions on Communications, Vol. 70, No. 07, pp. 4755-4770,  July, 2022. 

4. Suraj Sajeev, Manish Bansal, Sriraam S V, J. Harshan, Huzur Saran, Yih-Chun Hu, ``Secure and Ultra-Reliable Provenance Recovery in Sparse Networks: Strategies and Performance Bounds," in Ad Hoc Networks, Vol. 131, 102860, June 2022. 

5. Rusni Kima Mangang and J. Harshan, ``Do Not Forget the Past: A Buffer-Aided Framework for Relay Based Key Generation," in IEEE/KICS Journal of Communications and Networks, Vol. 21, No. 01, pp. 1--16, Feb. 2022. 

6. Murali Krishnan K H and J. Harshan ``On the Existence of XOR-Based Codes for Private Information Retrieval with Private Side Information," Special Issue on Information-Theoretic Approach to Privacy and Security, Entropy, Vol. 23, Issue 10, 2021 

7. Jaya Goel and J. Harshan, ``Listen to Others’ Failures: Cooperative ARQ Schemes for Low-Latency Communication over Multi-Hop Networks," IEEE Transactions on Wireless Communications, Vol. 20, No. 09, pp. 6049--6063, Sept. 2021 

8. Vivek Chaudhary and J. Harshan, ``Fast-Forward Mitigation Schemes for Cognitive Adversary," in IEEE Transactions on Cognitive Communications and Networking, Vol. 07, No. 04, pp. 1304--1319, Dec. 2021. 

9. J. Harshan, Rohit Joshi and Manish Rao ``Group Secret-Key Generation using Algebraic Rings in Wireless Networks," in IEEE Transactions on Vehicular Technology, Vol. 70, No. 02,  pp. 1538--1553, Feb. 2021. 

10. J. Harshan, Amogh Vithalkar, Naman Jhunjhunwala, Manthan Kabra, Prafull Manav, and Yih-Chun Hu,``Double-Edge Embedding Based Provenance Recovery for Low-Latency Applications in Wireless Networks," in IEEE Transactions on Dependable and Secure Computing, Vol. 19, No. 02, pp. 1194-1211, April 2022.

11. J. Harshan and Yih-Chun Hu, ``Convolution Attack on Frequency Hopping by Full-Duplex Radios," IEEE Transactions on Vehicular Technology, Vol. 68, No. 6, pp. 5642--5656, June 2019.

12. J. Harshan, ``Generalized Pyramid Codes for Versioned Data in Distributed Storage Networks," IEEE Communication Letters, Vol. 21, No. 9, pp. 1921--1924, 2017.

13. Jinlong Lu, J. Harshan and Frederique Oggier, ``Performance of Lattice Coset Codes on Universal Software Radio Peripherals," in Elsevier Physical Communication, Vol. 24, pp. 94--102, Sept. 2017.

14. J. Harshan, Anwitaman Datta and Frederique Oggier, ``Differential Erasure Codes for Efficient Archival of Versioned Data in Cloud Storage Systems," Special Issue on Cloud Computing, Transactions on Large-scale Data Knowledge-centered Systems, May 2016

15. J. Harshan, Frederique Oggier and Anwitaman Datta, ``Sparsity Exploiting Erasure Coding for Distributed Storage of Versioned Data," Springer Computing, Jan. 2016. 

16. J. Harshan, Anwitaman Datta and Frederique Oggier, ``DiVers: An Erasure Code Based Storage Architecture for Versioning Exploiting Sparsity," Elsevier Future Generation Computer Systems, Vol. 59, pp.  47-62, June 2016. [Impact factor - 5.768]

17. J. Harshan, E. Viterbo, and J.-C. Belfiore, ``Practical Encoders and Decoders for Euclidean codes from Barnes-Wall lattices,"  IEEE Transactions on Communications, Vol. 61, No 11, pp. 4414-4427, 2013. 

18. A. Sakzad, J. Harshan, and E. Viterbo, ``Integer-Forcing Linear Receivers based on Lattice Reduction Algorithms,"   IEEE Transactions on Wireless Communications, Vol. 12, No 10, pp. 4905-4915, 2013. 

19. J. Harshan and E. Viterbo, ``Integer Space-Time Block Codes for Practical MIMO Channels,"  IEEE Wireless Communication Letters, Vol. 2, No. 4, Aug. 2013, pp. 455-458.

20. J. Harshan, and B. Sundar Rajan, ``A Novel Power Allocation Scheme for Two-User Gaussian MAC with Finite Input Constellations,"  IEEE Trans. Wireless Communication, Vol. 12, No. 2, February 2013, pp. 818-827. 

21. J. Harshan, B. Sundar Rajan, and Are Hjorungnes ``Training-Symbol Embedded, High-Rate, Single-Symbol ML-Decodable, Distributed STBCs for Relay Networks,"  IEEE Trans. Information Theory, Vol. 57, No. 09, Sept. 2011, pp. 6157-6169. 

22. J. Harshan and B. Sundar Rajan, ``On Two-User Gaussian Multiple Access Channels with Finite Input Constellations,"  IEEE Transactions on Information Theory, Vol. 57, No. 03, March 2011, pp. 1299-1327.  

23. J. Harshan and B. Sundar Rajan, `Distributed Space-time block codes for two-hop wireless relay networks," (invited paper), Special issue on coding and modulation for cooperative communications,  Journal of Communications, Vol. 05, No. 04, April 2010, pp. 282 - 296. 

24. J. Harshan and B. Sundar Rajan, ``High-Rate, Single-Symbol ML Decodable Precoded DSTBCs for Cooperative Networks,"  IEEE Transactions on Information Theory, Vol. 55, No. 05, May. 2009, pp. 2004-2015. 

25. J. Harshan and B. Sundar Rajan, ``Co-ordinate Interleaved Distributed Space-Time Coding for Two-Antenna-Relays Networks,"  IEEE Transactions on Wireless Communications, vol. 08, no. 04, April 2009, pp.1783-1791. 

26. J. Harshan and B. Sundar Rajan, ``A Non-differential Distributed Space-Time Coding for Partially-Coherent Cooperative Communication,"  IEEE Transactions on Wireless Communications, Vol. 7, No. 11, Nov. 2008, pp.4076-4081. 

Conference papers:

1. Rimpi Borah and J. Harshan, ``On Securing Analog Lagrange Coded Computing from Colluding Adversaries," in IEEE International Symposium on Information Theory (ISIT) 2024, Greece, July 2024. 

2. Aadil Hussain, Nitheesh Gundapu, Sarang Drugkar, Suraj Kiran, J. Harshan, Ranjitha Prasad, ``Seeing is Believing: A Federated Learning Based Prototype to Detect Wireless Injection Attacks," in IEEE Vehicular Technology Conference (VTC2024-Spring), Singapore, June 2024

3. Manish Bansal, Pramsu Srivastava, and J. Harshan, ``On Learning Spatial Provenance in Privacy-Constrained Wireless Networks," IEEE Wireless Communication and Networking Conference (WCNC) 2024, Dubai, U.A.E, April 2024.

4. Harikrishnan K., J. Harshan and Anwitaman Datta, ``Optimized Denial-of-Service Threats on the Scalability of LT Coded Blockchains," IEEE International Conference on Communications (ICC): SAC Cloud Computing, Networking and Storage Track, USA, June 2024 

5. Shivangi Gupta and J. Harshan, ``Analog Lagrange Coded Computing: On the Curious Case of Adversarial Workers," National Conference on Communications 2024, Feb. 2024

6. Soumita Hazra and J. Harshan, ``On High-Rate, Low-Overhead Mitigation Strategies Against Cognitive Adversaries," National Conference on Communications 2024, Feb. 2024

7. Manish Bansal,  Pramsu Shrivastava and J. Harshan, ``A Prototype on the Feasibility of Learning Spatial Provenance in XBee and LoRa Networks," COMSNETS 2024 - Demos and Exhibits, January 2024

8. Varun Muttepawar, Arjun Mehra, Zubair Shaban, Ranjitha Prasad and J. Harshan, ``Federated Learning for Wireless Applications: A Prototype," COMSNETS 2024 - Demos and Exhibits, January 2024

9. Rusni Kima Mangang and J. Harshan, ``Self-Sustainable Key Generation: Strategies and Performance Bounds under DoS Attacks," in IEEE Vehicular Technology Conference (VTC2022-Fall), Hong Kong, October 2023

10. Soumita Hazra and J. Harshan, ``On Distribution-Preserving Mitigation Strategies for Communication Under Cognitive Adversaries," in the Proc. of IEEE International Symposium on Information Theory (ISIT) 2023, Taiwan. 

11. Jaya Goel and J. Harshan, "Optimization of ARQ Distribution for HARQ Strategies in Delay-Bounded Networks," in the proceedings of WiOpt 22, Italy, September 2022. Also available on arXiv 2022.

12. Neha Goel, Vivek Chaudhary, and J. Harshan, ``Secret-Key Based Non-Coherent Signalling to Mitigate Reactive Injection Attacks," in the Proc. of International Conference on Signal Processing and Communications (SPCOM) 2022, Bangalore, India, July 2022

13. Shilpi Mishra, J. Harshan and Ranjitha Prasad, ``Path-Aware OMP Algorithms for Provenance Recovery in Wireless Networks," in IEEE Vehicular Technology Conference (VTC2022-Spring), 2022. 

14. Vivek Chaudhary and J. Harshan, ``Whisper when under Attack: Delay Tolerant Fast-Forward Relays against Full-Duplex Jamming," in the Proc. of International Conference on COMmunication Systems & NETworkS (COMSNETS 2022), Bengaluru, India, January 2022. 

15. Vivek Chaudhary and J. Harshan, ``Non-Coherent Fast-Forward Relays for Full-Duplex Jamming Attack," in the Proc. of IEEE GLOBECOM 2021, Madrid, Spain, 2021. Also available online at arXiv

16. Jaya Goel and J. Harshan, ``Minimal Overhead ARQ Sharing Strategies for URLLC in Multi-Hop Networks," IEEE Vehicular Technology Conference (VTC2021-Spring), Helsinki, 2021.

17. Rohit Joshi and J. Harshan, ``On Opportunistic Selection of Common Randomness and LLR Generation for Algebraic Group Secret-Key Generation," IEEE Vehicular Technology Conference (VTC2021-Spring), Helsinki, 2021.

18. Vivek Chaudhary and J. Harshan, ``Fast-Forward Relaying Scheme to Mitigate Jamming Attacks by Full-Duplex Radios ," in the Proc. of IEEE PIMRC 2020.

19. Jaya Goel and J. Harshan, ``On the Optimal ARQ Distribution for Low-Latency Communication over Line-of-Sight Dominated Multi-Hop Networks," to appear in the Proc. of International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks (WiOpt 2020) , Volos, Greece, 2020.

20. J. Harshan, Amogh Vithalkar, Naman Jhunjhunwala, Manthan Kabra, Prafull Manav, and Yih-Chun Hu,``Bloom Filter Based Low-Latency Provenance Embedding Schemes in Wireless Networks," in the Proc. of IEEE Wireless Communications and Networking Conference (IEEE WCNC), 2020.  

21. S.V. Sriraam, Suraj Sajeev, Rohit Joshi, Amogh Vithalkar, Manish Bansal, and J. Harshan, ``Implementation of 5G Authentication and Key Agreement Protocol on Xbee Networks,"  (Demo Paper) in the Proc. of COMSNETS 2020, Bangalore, India

22. Manish Rao and J. Harshan, ``Low-Latency Exchange of Common Randomness for Group-Key Generation," in the Proc. of EEE PIMRC 2019,  Istanbul, Turkey.

23. Manish Rao and J. Harshan,``Practical Physical-Layer Group Secret-Key Generation in Three-User Wireless Networks," in the proceedings of International Conference on Signal Processing and Communications (SPCOM) 2018, Bangalore, India, July 2018

24. Harshith Nagubandi and J. Harshan, ``RASI: Relay-Assisted Physical-Layer Key Generation in Unmanned Aerial Vehicles," in IEEE Vehicular Technology Conference 2018 Spring, Porto, Portugal, June 2018

25. J. Harshan and Yih-Chun Hu, ``Cognitive Radio from Hell: Flipping Attack on Direct-Sequence Spread Spectrum," in the proceedings of IEEE WCNC 2018, Barcelona, Spain, Apr. 2018.

26. J. Harshan, Sang-Yoon Chang, Seungmin Kang, Yih-Chun Hu, ``Securing Balise-based Train Control Systems using Cryptographic Random Fountains," in the Proc. of IEEE CNS CPS-sec Workshop 2017, Las Vegas, USA, Oct. 2017.

27. Perathorn Pooksombat, J. Harshan, and Wittawat Kositwattanarerk, ``On Shaping Complex Lattice Constellations from Multi-level Constructions," in the Proc. of IEEE ISIT 17, June 2017.

28. J. Harshan, Sang-Yoon Chang, and Yih-Chun Hu, `Insider-Attacks on Physical-Layer Group Secret-key Generation in Wireless Networks," in the Proc. of IEEE WCNC 2017, San Francisco, USA, March 2017. 

29. J. Harshan, Amin Sakzad, and E. Viterbo, ``Integer-Forcing Linear Receivers: A Design Criterion for Full-Diversity STBCs," in the Proc. of IEEE WCNC 2017, San Francisco, USA, March 2017. 

30. J. Harshan and Frederique Oggier, ``On Algebraic Manipulation Detection Codes from Linear Codes and their Application to Storage Systems", in the Proc. of IEEE Information Theory Workshop 2015, Jeju Island, Korea, October 2015

31. J. Harshan, Frederique Oggier, and Anwitaman Datta ``Sparsity Exploiting Erasure Coding for Resilient Storage and Efficient I/O Access in Delta based Versioning Systems", IEEE International Conference on Distributed Computing Systems 2015, Columbus, Ohio, U.S.A., July 2015 PDF

32. Jinlong Lu, J. Harshan and Frederique Oggier, ``A USRP Implementation of Wiretap Lattice Codes," (invited paper) in the Proc. of IEEE Information Theory Workshop 2014, Tasmania, Australia, 2014.

33. J. Harshan and E. Viterbo, ``Constellation Constrained Capacity of Additive Gaussian Mixture Noise Channels," in the Proc. of ISITA 2014, Melbourne, Australia, 2014. 

34. J. Harshan and E. Viterbo, ``Full-Rate Integer STBCs for 2 X 2 MIMO channels," in the Proc. of IEEE International Conference on Communications 2013, Budapest, Hungary, June 2013.

35. A. Sakzad, J. Harshan, and E. Viterbo, "On Complex LLL Algorithm for Integer-Forcing Linear Receivers," in the Proc. of IEEE AusCTW 2013, Adelaide, Australia, January-February. 2013 

36. J. Harshan, E. Viterbo, and J-C. Belfiore, ``Practical Decoders for Barnes-Wall Lattice Constellations," (invited paper) in Proc. of 20th International Symposium on Mathematical Theory of Networks and Systems- 2012, Melbourne, Australia, July 2012. 

37. J. Harshan, E. Viterbo, and J.-C. Belfiore, ``Construction of Barnes-Wall lattices from linear codes over rings," in the Proc. of IEEE ISIT 2012, to be held at Cambridge, Boston, USA. 

38. J. Harshan, and Emanuele Viterbo, ``On the Robustness of Algebraic STBCs to Coefficient Quantization," in the Proc. of IEEE Australian Communication Theory Workshop 2012, Wellington, New Zealand, 2012. 

39. J. Harshan, and B. Sundar Rajan, ``A Constellation Power Allocation Scheme for Two-User Gaussian MAC," in Proc. of IEEE Personal, Indoor and Mobile Radio Communications (PIMRC-2011), Toronto, Canada, 2011. 

40. J. Harshan, B. Sundar Rajan, and Are Hjorungnes ``Training-Symbol Embedded, High-rate Complex Orthogonal Designs for Relay Networks," in Proc. of IEEE International Symposium on Information Theory (ISIT-2010), Austin, Texas, U.S.A, pp. 2233-2237. 

41. J. Harshan, B. Sundar Rajan, and Are Hjorungnes ``Training-Embedded, Single-Symbol ML-Decodable, Distributed STBCs for Relay Networks," in Proc. of IEEE International Conference on Communications (ICC) 2010, Cape Town, South Africa. 

42. J. Harshan and B. Sundar Rajan, ``Low complexity space-time block codes for two-user MISO-MAC," National Conference on Communications (NCC) 2010, Chennai, India.

43. J. Harshan and B. Sundar Rajan, ``STBCs with Minimum Sphere Decoding Complexity for Two-user MIMO MAC," in the Proceedings of IEEE GLOBECOM 2009, Honolulu, Hawaii, USA, Nov.30 - Dec.04, 2009. 

44. J. Harshan and B. Sundar Rajan, ``Coding for Two-user Gaussian MAC with PSK and PAM Signal Sets," IEEE International Symposium on Information Theory (ISIT-2009), Seoul, Korea. 

45. J. Harshan and B. Sundar Rajan, ``Constellation Constrained Capacity region of Two-user Gaussian Multiple Access Channels," in the Proceedings of National Conference on Communications (NCC-2009), Guwahati, India. 

46. J. Harshan and B. Sundar Rajan, ``Finite Signal-set Capacity of Two-user Gaussian Multiple Access Channel," in Proceedings of IEEE International Symposium on Information Theory (ISIT-2008), Toronto, Canada, July 06-11, 2008, pp. 1203-1207. 

47. J. Harshan and B. Sundar Rajan, ``Single-Symbol ML Decodable Precoded DSTBCs for Cooperative Networks," in Proceedings of IEEE International Conference on Communications (ICC-2008), Beijing, China, May 19-23, 2008, pp. 991-995. 

48. J. Harshan and B. Sundar Rajan, ``Non-Differential DSTBCs for Partially-Coherent Cooperative communication," in Proceedings of IEEE International Conference on Communications (ICC-2008), Beijing, China, May 19-23, 2008, pp.996-1000. 

49. J. Harshan and B. Sundar Rajan, ``Co-ordinate Interleaved Distributed Space-Time Coding for Two-antenna Relay Networks," in Proceedings of IEEE GLOBECOM 2007, Washington D.C., USA, Nov. 26-30, 2007, pp.1719-1723.

Book Chapters:

1. J. Harshan, G. Susinder Rajan and B. Sundar Rajan, "Space time coding for non-coherent cooperative communications", Cooperative Communications for Improved Wireless Network Transmission: Frameworks for Virtual Antenna Array Applications, (Chapter 13), pp. 352-380, 2010, IGI Global.

Reports:

1. Jinlong Lu, J. Harshan and Frederique Oggier, ``On wiretap codes, what they are, and what they (promise to) do for you," 2015 National Instruments Engineering Impact Awards - Case studies booklet, online