Publications

Distributed Consensus and Blockchain

  1. J. Chen, Fundamental limits of Byzantine agreement, September 2020, e-print, arXiv: 2009.10965, conference paper in DISC 2021 (see below). An open problem of multi-valued Byzantine agreement is solved using coding theory and graph theory.

    J. Chen, Optimal error-free multi-valued Byzantine agreement, 35th International Symposium on Distributed Computing (DISC 2021), October 2021.

  2. F. Li and J. Chen, Communication-efficient signature-free asynchronous Byzantine agreement, IEEE International Symposium on Information Theory, July 2021.

Distributed Computing

  1. F. Li, J. Chen, and Z. Wang, Wireless MapReduce distributed computing, IEEE Transactions on Information Theory, vol. 65, no. 10, pp. 6101-6114, October 2019.

  2. N. Shakya, F. Li, and J. Chen, On distributed computing with heterogeneous communication constraints, IEEE/ACM Transactions on Networking, June 2022.

  3. N. Shakya, F. Li, and J. Chen, On distributed computing with heterogeneous communication constraints, 52nd Annual Asilomar Conference on Signals, Systems, and Computers, October 2018.

  4. F. Li, J. Chen, and Z. Wang, Wireless MapReduce distributed computing, IEEE International Symposium on Information Theory, June 2018.

Multi-layer Interference Alignment

  1. J. Chen, Multi-layer interference alignment and GDoF of the K-user asymmetric interference channel, IEEE Transactions on Information Theory, vol. 67, no. 6, pp. 3986-4000, June 2021.

  2. J. Chen, Multi-layer interference alignment and GDoF of the K-user asymmetric interference channel, IEEE International Symposium on Information Theory, June 2020.

Massive MIMO

  1. J. Chen, On the MISO channel with feedback: Can infinitely massive antennas achieve infinite capacity? IEEE Transactions on Information Theory, vol. 64, no. 10, pp. 6894-6916, October 2018.

  2. J. Chen, On the MISO channel with feedback: Can infinitely massive antennas achieve infinite capacity? IEEE International Symposium on Information Theory, June 2017.

Information-Theoretic Security

  1. J. Chen, Secure communication over interference channel: To jam or not to jam? IEEE Transactions on Information Theory, vol. 66, no. 5, pp. 2819-2841, May 2020.

  2. J. Chen and F. Li, Adding a helper can totally remove the secrecy constraints in two-user interference channel, IEEE Transactions on Information Forensics and Security, vol. 14, no. 12, pp. 3126-3139, December 2019.

  3. J. Chen and C. Geng, Optimal secure GDoF of symmetric Gaussian wiretap channel with a helper, IEEE Transactions on Information Theory, vol. 67, no. 4, pp. 2334-2352, April 2021.

  4. F. Li and J. Chen, Adding common randomness can remove the secrecy penalty in GDoF, IEEE Transactions on Information Theory, vol. 67, no. 4, pp. 2308-2333, April 2021.

  5. F. Li and J. Chen, Secure communications with limited common randomness at transmitters, IEEE International Symposium on Information Theory, June 2020.

  6. F. Li and J. Chen, How to break the limits of secrecy constraints in communication networks? IEEE International Symposium on Information Theory, July 2019.

  7. J. Chen and C. Geng, Optimal secure GDoF of symmetric Gaussian wiretap channel with a helper, IEEE International Symposium on Information Theory, July 2019.

  8. J. Chen, Secure communication over interference channel: To jam or not to jam? 56nd Annual Allerton Conference on Communications, Control and Computing, Monticello, IL, October 2018.

  9. J. Chen, New results on the secure capacity of symmetric two-user interference channels, 54nd Annual Allerton Conference on Communications, Control and Computing, Monticello, IL, September 2016.

Heterogeneous Networks

  1. J. Chen, S. Yang, A. Ozgur, and A. Goldsmith, Achieving full DoF in heterogeneous parallel broadcast channels with outdated CSIT, IEEE Transactions on Information Theory, vol. 62, no. 7, pp. 4154-4171, July 2016.

  2. J. Chen, A. Goldsmith, A. Ozgur, and S. Yang, Degrees of freedom of the MIMO interference channel with parallel multicasting, IEEE International Symposium on Information Theory, June 2015.

  3. J. Chen, S. Yang, A. Ozgur, and A. Goldsmith, Outdated CSIT can achieve full DoF in heterogeneous parallel channels, IEEE International Symposium on Information Theory, July 2014.

Feedback through Overhearing

  1. J. Chen, A. Ozgur, and S. Diggavi, Feedback through overhearing, 52nd Annual Allerton Conference on Communications, Control and Computing, Monticello, IL, October 2014.

Topological Interference Management

  1. J. Chen, P. Elia, and S. A. Jafar, On the two-user MISO broadcast channel with alternating CSIT: A topological perspective, IEEE Transactions on Information Theory, vol. 61, no. 8, pp. 4345-4366, August 2015.

  2. J. Chen, P. Elia, and S. A. Jafar, On the vector broadcast channel with alternating CSIT: A topological perspective, IEEE International Symposium on Information Theory, July 2014.

Feedback Communications

  1. J. Chen and P. Elia, Toward the performance vs. feedback tradeoff for the two-user MISO broadcast channel, IEEE Transactions on Information Theory, vol. 59, no. 12, pp. 8336-8356, December 2013.

  2. J. Chen and P. Elia, Symmetric two-user MIMO BC with evolving feedback, Information Theory and Applications Workshop, San Diego, CA, February 2014.

  3. J. Chen and P. Elia, An outer bound on the MIMO BC with evolving current CSIT and perfect delayed CSIT, International Symposium on Communications, Control, and Signal Processing, May 2014.

  4. J. Chen and P. Elia, On the fundamental feedback-vs-performance tradeoff over the MISO-BC with imperfect and delayed CSIT, IEEE International Symposium on Information Theory, July 2013.

  5. J. Chen and P. Elia, MISO broadcast channel with delayed and evolving CSIT, IEEE International Symposium on Information Theory, July 2013.

  6. J. Chen and P. Elia, Optimal DoF region of the two-user MISO-BC with general alternating CSIT, 47th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, November 2013.

  7. J. Chen and P. Elia, MIMO BC with imperfect and delayed channel state information at the transmitter and receivers, IEEE 14th Workshop on Signal Processing Advances in Wireless Communications, June 2013.

  8. J. Chen and P. Elia, Degrees-of-freedom region of the MISO broadcast channel with general mixed-CSIT, Information Theory and Applications Workshop, San Diego, CA, February 2013, arXiv (May 2012): 1205.3474.

  9. J. Chen and P. Elia, Can imperfect delayed CSIT be as useful as perfect delayed CSIT? DoF analysis and constructions for the BC, 50nd Annual Allerton Conference on Communications, Control and Computing, Monticello, IL, October 2012.

Interference Neutralization, Diversity-vs-Multiplexing Tradeoff, and Others

  1. S. Zhang, S.-C. Liew, and J. Chen, The capacity of known interference channel, IEEE Journal on Selected Areas in Communications, vol. 33, no. 6, pp. 1241-1252, June 2015.

  2. J. Chen R. Knopp, and P. Elia, Interference alignment for achieving both full DOF and full diversity in the broadcast channel with delayed CSIT, IEEE International Symposium on Information Theory, July 2012.

  3. J. Chen P. Elia, and R. Knopp, Relay-aided interference neutralization for the multiuser uplink-downlink asymmetric setting, IEEE International Symposium on Information Theory, July 2011.

  4. J. Chen A. Singh, P. Elia, and R. Knopp, Interference neutralization for separated multiuser uplink-downlink with distributed relays, Information Theory and Applications Workshop, San Diego, CA, February 2011.

Patents

  1. X. Lei, J. Lu, P. Gong, L. Fang, X. Wang, and J. Chen, A user scheduling method in mobile communication systems, China Patent CN 102238733 B, filed April 28, 2010, issued July 16, 2014.

  2. B. Lu, J. Lu, P. Gong, L. Fang, X. Wang, and J. Chen, A uniform quantization method for matched channel matrix, China Patent CN 102237970 B, filed April 21, 2010, issued January 15, 2014.