Publications

Acknowledgement: X. Li's research has been funded by NSF, AFOSR, AFRL, OSD, GIRD Systems Inc., etc.

In Journal:

  1. Q. Qu, M. Hatami, R. Xu, D. Nagothu, Y. Chen, X. Li, E. Blasch, E. Ardiles-Cruz, and G. Chen, "The microverse: A task-oriented edge-scale metaverse," Future Internet 16, no. 2 (2024): 60.
  2. M. B. Aithal and X. Li, "Mitigating black-box adversarial attacks via output noise perturbation," IEEE Access, vol. 10, pp. 12395-12411, 2022, doi: 10.1109/ACCESS.2022.3146198.
  3. X. Li and Y. Chen, "Lightweight 2D imaging for integrated imaging and communication applications," IEEE Signal Processing Letters, vol. 28, no. 1, pp. 528-532,  Feb. 2021. (souce codes)
  4. S. Zhou, Y. Chen, X. Li, and A. Sanyal, "Deep SCNN-based real-time object detection for self-driving vehicles using LiDAR temporal data," IEEE Access, vol. 8, pp. 76903-76912, Apr. 27, 2020.
  5. M. Ghorbaniparvar, N. Zhou, X. Li, D. Trudnowski, and R. Xie, "A forecasting-residual spectrum analysis method for distinguishing forced and natural oscillations," IEEE Transactions on Smart Grid, vol. 10, no. 1, pp. 493-502, Jan. 2019.
  6. M. Zhang, X. Li, and J. Peng, "Using joint generalized eigenvectors of a set of covariance matrix pencils for deflationary blind source extraction," IEEE Transactions on Signal Processing, vol. 66, no. 11, pp. 2892-2904, June 1, 2018. (source code)
  7. X. Li, Y. Zhang, and W. Cadeau, "Hybrid massive MIMO for secure transmissions against stealthy eavesdroppers," IEEE Communications Letters, vol. 22, no. 1, pp. 81-84, Jan. 2018.
  8. Q. Dong, Z. Yang, Y. Chen, X. Li, and K. Zeng, "Exploration of singular spectrum analysis for online anomaly detection in CRNs," EAI Endorsed Transactions on Security and Safety, vol. 4, no. 12, pp. 1-13, Dec. 2017.
  9. X. Li and J. Zheng, "Active learning for regression with correlation matching and labeling error suppression," IEEE Signal Processing Letters, vol. 23, no. 8, pp. 1081-1085, Aug. 2016.
  10. X. Li, "Optimal relay selection for transmission rate maximization in multi-hop wireless networks," Electronic Letters, vol. 51, no. 12, pp. 949-950, June 11, 2015.
  11. W. Cadeau, X. Li and C. Xiong, "Markov model based jamming and anti-jamming performance analysis for cognitive radio networks," Communications and Network, vol. 6, no. 2, pp. 76-85, May 2014. (http://dx.doi.org/10.4236/cn.2014.62010)
  12. X. Li, C. Xiong and J. Lee, "Optimal set of multiple relays and distributed self-selection in cooperative networks," Communications and Networks, vol. 5, pp. 140-147, May 2013. doi:10.4236/cn.2013.52015. (http://www.scirp.org/journal/cn)
  13. X. Li, "Optimal multiple-relay selection in dual-hop amplify-and-forward cooperative networks," Electronic Letters, vol. 48, no. 12, pp. 694-695, Jun. 7, 2012.
  14. X. Li, "Hop optimization and relay node selection in multi-hop wireless ad-hoc networks," Networks for Grid Applications, Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol. 2, pp. 161-174, 2009. doi:10.1007/978-3-642-02080-3_17
  15. X. Li, F. Ng, and T. Han, "Carrier frequency offset mitigation in asynchronous cooperative OFDM transmissions," IEEE Trans. Signal Processing, vol. 56, no. 2, pp. 675-685, Feb. 2008.
  16. X. Li, J. Hwu and E. P. Ratazzi, "Using antenna array redundancy and channel diversity for secure wireless transmissions," Journal of Communications, vol. 2, no. 3, pp. 24-32, May 2007.
  17. N. E. Wu, S. Thavamani and X. Li, "Reliability and feedback of multiple hop wireless networks," International Journal of Automation and Computing, 04(2), pp. 125-134, April 2007.
  18. T. Han, X. Li and J. Lee, "Smart random channel access in OFDM systems by joint signal processing and packet scheduling,"  IJCSNS International Journal of Computer Science and Network Security, vol. 5, no. 9, Sept. 2005.
  19. X. Li, "Blind channel estimation and equalization in wireless sensor networks based on correlations among sensors," IEEE Trans. Signal Processing, vol. 53, no. 4, pp. 1511-1519, April 2005.
  20. X. Li, M. Chen and W. Liu, "Application of STBC-encoded cooperative transmissions in wireless sensor networks," IEEE Signal Processing Letters, vol. 12, no. 2, pp. 134-137, Feb. 2005.
  21. X. Li, "Space-time coded multi-transmission among distributed transmitters without perfect synchronization," IEEE Signal Processing Letters, vol. 11, no. 12, pp. 948-951, Dec. 2004.
  22. X. Li, "Contention resolution in random access wireless networks based on orthogonal complementary codes," IEEE Transactions on Communications, vol. 52, no. 1, pp. 82-89, Jan. 2004.
  23. X. Li, "Energy efficient wireless sensor networks with transmission diversity," Electronics Letters, vol. 39, no. 24, pp. 1753-1755, Nov. 27, 2003.
  24. X. Li, "Blind sequence detection without channel estimation," IEEE Transactions on Signal Processing, vol. 50, no. 7, pp. 1735-1746, July 2002.
  25. X. Li and H. Fan, "Blind channel identification: subspace tracking method without rank estimation", IEEE Transactions on Signal Processing, vol. 49, no. 10, pp. 2372-2382, Oct. 2001.
  26. X. Li and H. Fan, "Direct blind equalization with best delay by channel output whitening", IEEE Transactions on Signal Processing, vol 49, no. 7, pp. 1556-1563, July 2001.
  27. X. Liand H. Fan, "Direct blind multiuser detection for CDMA in multipath without channel estimation,'' IEEE Transactions on Signal Processing, vol 49, no. 1, pp. 63-73, January 2001. [pdf]
  28. H. Fan and X. Li, "Linear prediction approach for joint blind equalization and blind multiuser detection in CDMA systems,'' IEEE Transactions on Signal Processing, vol 48, no. 11, pp. 3134-3145 , November 2000. [pdf]
  29. X. Li and H. Fan, "Direct estimation of blind zero-forcing equalizers based on second order statistics,'' IEEE Transactions on Signal Processing, vol 48, no. 8, pp. 2211-2218, August 2000.  [pdf]
  30. X. Li and H. Fan, "Linear prediction methods for blind fractionally spaced equalization,'' IEEE Transactions on Signal Processing, vol 48, no. 6, pp. 1667-1675, June 2000. [pdf]
  31. X. Li and H. Fan, "QR factorization based blind channel identification and equalization with second-order statistics,''  IEEE Transactions on Signal Processing , vol 48, No. 1, pp. 60-69, January 2000. [pdf]

In Conference:

  1. L. Dorje, X. Li, and S. Homsi, "Evasive camouflage attack of RF sensing and imaging systems," IEEE International Conference on Communications, Denver, CO, USA, June 9-13, 2024.
  2. L. Dorje, X. Li, Y. Chen, and N. Poredi, "High-resolution imaging capability of large-scale LEO satellite constellations," IEEE International Conference on Communications, Denver, CO, USA, June 9-13, 2024.
  3. Q. Qu, Y. Chen, X. Li, E. Blasch, G. Chen, and E. Ardiles-Cruz, "Low-cost collision avoidance in microverse for unmanned aerial vehicle delivery networks," In Sensors and Systems for Space Applications XVII, vol. 13062, pp. 215-226. SPIE, 2024. (SPIE Defense + Commercial Sensing, 2024, National Harbor, Maryland, United States)
  4. N. Poredi, Y. Chen, X. Li, and E. Blasch, "Enhance public safety surveillance in smart cities by fusing optical and thermal cameras," 26th International Conference on Information Fusion (FUSION), June 2023.
  5. X. Li, L. Dorje, Y. Wang, Y. Chen, and E. Ardiles-Cruz, "High-resolution imaging satellite constellation," In International Conference on Dynamic Data Driven Applications Systems (DDDAS) 2022, Oct 6 (pp. 95-102). Cham: Springer Nature Switzerland.
  6. N. Poredi, N. Deeraj, Y. Chen, X. Li, A. Aved, E. Ardiles-Cruz, and E. Blasch, "Robustness of electrical network frequency signals as a fingerprint for digital media authentication," 2022 IEEE 24th International Workshop on Multimedia Signal Processing (MMSP), 2022.
  7. M. B. Aithal and X. Li, "Boundary defense against black-box adversarial attacks," the 26th International Conference on Pattern Recognition (ICPR'2022), Montreal, Quebec, August. 2022.
  8. R. Xu, Y. Chen, X. Li, and E. Blasch, "A secure dynamic edge resource federation architecture for cross-domain IoT systems," the 4th International Workshop on Smart City Communication and Networking of the 31st International Conference on Computer Communications and Networks (ICCCN 2022), July 2022. 
  9. S. Zhou, X. Li, Y. Chen, S. Chandrasekaran, and A. Sanyal, "Temporal-coded deep spiking neural network with easy training and robust performance," the Thirty-Fifth AAAI Conference on Artificial Intelligence (AAAI-21), Feb. 2021. AAAI-2021: 11143-11151 (source code) (full version + appendix)
  10. S. Zhou and X. Li, "Spiking neural networks with single-spike temporal-coded neurons for network intrusion detection," the 25th International Conference on Pattern Recognition (ICPR), Milan, Italy, Jan. 2021. ICPR 2020:8148-8155 (source code)
  11. W. Wang, S. Zhou, J. Li, X. Li, J. Yuan, and Z. Jin, "Temporal pulses driven spiking neural network for time and power efficient object recognition in autonomous driving," the 25th International Conference on Pattern Recognition (ICPR), Milan, Italy, Jan. 2021. (arXiv)
  12. R. Thompson and X. Li, "Machine learning techniques for equalizing nonlinear distortion," 2020 Fall Technical Forum, SCTE.ISBE CABLE-TEC EXPO, Oct. 2020.
  13. J. St. Cyr, J. Vanderpool, Y., Chen, and X. Li, "HODET: Hybrid object detection and tracking using mmWave radar and visual sensors," Proceedings of the SPIE, Vol. 11422, id. 114220I 12 pp. (2020), Apr. 2020.
  14. Z. Zhang and X. Li, "Prediction of future appearances via convolutional recurrent neural networks based on image time series in cloud computing," 9th EAI International Conference on Cloud Computing (CloudComp'2019), Sydney, Australia, Dec. 4-5, 2019.
  15. J. Zheng, S. Krishnamurthy, R. Chen, H. Chen, Z. Ge, and X. Li, "Image captioning with integrated bottom-up and multi-level residual top-down attention for game scene understanding," CVPR 2019 workshop, Long Beach, CA, June 16-20, 2019.
  16. R. J. Thompson and X. Li, "Integrating Volterra series model and deep neural networks to equalize nonlinear power amplifiers," The 53rd Annual Conference on Information Systems & Sciences (CISS'2019),  Johns Hopkins University, March 20-22, 2019.
  17. J. Zheng, Y. Wang, X. Zhang, and X. Li, "'Classification of severely occluded image sequences via convolutional recurrent neural networks," EEE GlobalSIP'2018 (2018 6th IEEE Global Conference on Signal and Information Processing), Anaheim, CA, USA, Nov. 26-29, 2018.
  18. Y. Chen, Q. Dong, X. Li, and K. Zeng, "'Position paper: A theoretical framework for general cognition evaluation of cognitive radios," 4th IEEE International Smart Cities Conference (ISC2), Sept. 16-19, 2018.
  19. Q. Dong, Y. Chen, X. Li, and K. Zeng, "'Explore recurrent neural network for PUE attack detection in practical CRN models," 4th IEEE International Smart Cities Conference (ISC2), Sept. 16-19, 2018
  20. J. Zheng, T.-Y. Lee, C. Feng, X. Li, and Z. Zhang, "Robust attentional pooling via feature selection," the 24th International Conference on Pattern Recognition (ICPR), Beijing, China, Aug. 20-24, 2018.
  21. Q. Dong, Y. Chen, X. Li, and K. Zeng, "An adaptive primary user emulation attack detection mechanism for cognitive radio networks," 2018 14th EAI International Conference on Security and Privacy in Communication Networks (SecureComm), Singapore, Aug. 8-10, 2018.
  22. Q. Dong, Z. Yang, Y. Chen, X. Li, and K. Zeng, "Anomaly detection in cognitive radio networks exploiting singular spectrum analysis," the 7th edition of International Conference on Mathematical Methods, Models and Architectures for Computer Networks (MMM-ACNS 2017), Warsaw, PL, Aug. 28-30, 2017. (Best Paper Award)
  23. J. Zheng, C. Xu, Z. Zhang, and X. Li, "Electric load forecasting in smart grid using long-short-term-memory based recursive neural networks," The 51th Annual Conference on Information Sciences and Systems (CISS'2017), Johns Hopkins University, Mar. 22-24, 2017.
  24. M. Zhang, X. Li, and J. Peng, "Blind source separation using joint canonical decomposition of two higher order tensors," The 51th Annual Conference on Information Sciences and Systems (CISS'2017), Johns Hopkins University, Mar. 22-24, 2017.
  25. X. Li, J. Zheng, and M. Zhang, "Compressive sensing based spectrum sharing and coexistence for machine-to-machine communications," Proceesings of the 42nd IEEE Internatonal Conference on Acoustics, Speech and Signal Processing (ICASSP'2017), New Orleans, Mar. 5-9, 2017.
  26. J. Zheng, W. Yang, and X. Li, "Training data reduction in deep neural networks with partial mutual information based feature selection and correlation matching based active learning," Proceesings of the 42nd IEEE Internatonal Conference on Acoustics, Speech and Signal Processing (ICASSP'2017), New Orleans, Mar. 5-9, 2017.
  27. J. Zheng and X. Li, "Active regression with compressive-sensing based outlier mitigation for both small and large outliers," IEEE GlobalSIP'2016 (2016 IEEE Global Conference on Signal and Information Processing), Washington, D.C., Dec. 7-9, 2016.
  28. M. Zhang and X. Li, "Deflationary blind source extraction using an exact solution subspace searching scheme," IEEE GlobalSIP'2016, Washington, D.C., Dec. 7-9, 2016.
  29. M. Ghorbaniparvar, N. Zhou, and X. Li, "Coherence function estimation with a derivative constraint for power grid oscillation detection," IEEE GlobalSIP'2016, Washington, D.C., Dec. 7-9, 2016.
  30. M. Dabaghchian, S. Liu, A. Alipour-Fanid, K. Zeng, X. Li, and Y. Chen, "Intelligence measure of cognitive radios with learning capabilities," IEEE GLOBECOM'2016, Washington, D.C., Dec. 4-8, 2016.
  31. X. Li, M. Ghorbaniparvar, and N. Zhou, "Population dynamic human behavioral models for smart grid demand side management," Proceedings of the 48th North American Power Symposium (NAPS), Denver, CO, Sept. 18-20, 2016.
  32. X. Li, Y. Chen, and K. Zeng, "Integration of machine learning and human learning for training optimization in robust linear regression," Proceedings of the IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP'2016), Shanghai, China, Mar. 21-25, 2016.
  33. X. Li and J. Zheng, "Joint machine learning and human learning design with sequential active learning and outlier detection for linear regression problems," The 50th Annual Conference on Information Sciences and Systems (CISS'2016), Princeton University, Mar. 16-18, 2016.
  34. X. Li and J. K. Lee, "Joint re-encoding and successive interference cancellation for multi-hop relay network," IEEE GlobalSIP'2015, Orlando, FL, Dec. 14-16, 2015.
  35. M. Ghorbaniparvar, X. Li, and N. Zhou, "Demand side management with a human behavior model for energy cost optimization in smart grids," IEEE GlobalSIP'2015, Orlando, FL, Dec. 14-16, 2015.
  36. J. K. Lee and X. Li, "Interference immune multi-hop relaying and efficient relay selection algorithm for arbitrarily large half-duplex Gaussian wireless networks," 7th Int. Conf. Wirel. Commun. Signal Processing (WCSP'2015), Nanjing, China, Oct. 15-17, 2015.
  37. X. Li and J. Lee, "Multi-hop relaying with optimal decode-and-forward transmission rate and self-immunity to mutual interference among wireless nodes," The 49th Annual Conference on Information Sciences and Systems (CISS'2015), Johns Hopkins University, Mar. 18-20, 2015. (slides)
  38. X. Li and T. Yang, "Signal processing oriented approach for big data privacy," Proceedings of the 2015 IEEE 16th International Symposium on High Assurance Systems Engineering (HASE 2015),  Daytona Beach, Florida, Jan. 8-10, 2015.
  39. X. Li and Z. Zhang, "Exploiting the scale of big data for data privacy: An efficient scheme based on distance-preserving artificial noise and secret matrix transform," IEEE ChinaSIP 2014 (2nd IEEE China Summit & International Conference on Signal and Information Processing), Xi'an, China, July 9-13, 2014.
  40. C. Xiong and X. Li, "Competitive performance of multiple spectrum access strategies coexisting in heterogeneous cognitive radio networks," IEEE ChinaSIP 2014 (2nd IEEE China Summit & International Conference on Signal and Information Processing), Xi'an, China, July 9-13, 2014.
  41. X. Li, C. Xiong and W. Cadeau, "A polynomial rooting approach for analysis of competition among secondary users in cognitive radio networks," IEEE DySPAN 2014, McLean, VA, Apr. 1-4, 2014.
  42. X. Li and C. Xiong, "Markov model bank for heterogeneous cognitive radio networks with multiple dissimilar users and channels," International Conference on Computing, Networking and Communications (ICNC'2014), Honolulu, Hawaii, Feb. 3-6, 2014.
  43. X. Li, C. Xiong and J. Feldman, "OFDM transmission scheme for asynchronous two-way multi-relay cooperative networks with analog network coding," International Workshop on Emerging Technologies for LTE-Advanced and Beyon-4G, IEEE GlobeCom'2013, Atlanta, GA, Dec. 9-13, 2013.
  44. X. Li, "Methods to evaluate the performance of multiple uncooperative users for green cognitive radio networks," IEEE Online GreenComm, Oct. 29-31, 2013. (www.ieee-OnlineGreenComm.org)
  45. X. Li and C. Xiong, "Performance analysis of coexisting secondary users in heterogeneous cognitive radio network," the 51st Annual Allerton Conference on Communication, Control and Computing, Monticello, IL, Oct. 2-4, 2013. (pptx)
  46. C. Xiong and X. Li, "Optimal relay selections in two-way amplify-and-forward networks,"  the 47th Annual Conference on Information Sciences and Systems (CISS'2013), Johns Hopkins University, Mar. 20-23, 2013.
  47. W. Cadeau and X. Li, "Jamming probabilities and throughput of cognitive radio communications against a wideband jammer," the 47th Annual Conference on Information Sciences and Systems (CISS'2013), Johns Hopkins University, Mar. 20-23, 2013.
  48. X. Li, J. Feldman and W. Cadeau, "An OFDM-based distributed transmission scheme for uncoordinated transmitters without carrier frequency and timing synchronization," IEEE Military Communications Conference (MILCOM'2012), Orlando, FL, Oct. 2012.
  49. W. Cadeau and X. Li, "Anti-jamming performance of cognitive radio networks under multiple uncoordinated jammers in fading environment," the 46th Annual Conference on Information Sciences and Systems (CISS'2012), Princeton University, Mar. 21-23, 2012.
  50. X. Li and W. Cadeau, "Anti-jamming performance of cognitive radio networks," the 45th Annual Conference on Information Sciences and Systems (CISS'2011), Johns Hopkins University, Mar. 23-25, 2011.
  51. C. Xiong and X. Li, "Optimization frameworks for wireless network coding under multi-hop node interference," IEEE Military Communications Conference (MILCOM'2010), San Jose, CA, Oct. 2010.
  52. C. Xiong and X. Li, "Minimum cost optimization of multicast wireless networks with network coding," the 44th Annual Conference on Information Sciences and Systems (CISS'2010), Princeton University, Mar. 19-21, 2010.
  53. X. Li and J. Hwu, "A frequency hopping spread spectrum transmission scheme for uncoordinated cognitive radios," Proceedings of the IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP'2009), Taipei, Taiwan, April 19-24, 2009. (slides)
  54. X. Li, "Efficient algorithm for hop optimization in multi-hop ad hoc wireless networks," Proceedings of 2008 ICST Second International Conference on Networks for Grid Applications and Workshops -- Wireless Grids, Beijing, China, Oct. 8-10, 2008. (slides)
  55. X. Li, J. Chen and J. Hwu, "Secondary transmission power of cognitive radios for dynamic spectrum access," 2008 International Workshop on Cognitive Networks and Communications (COGCOM2008), Hangzhou, China, Aug. 28, 2008.
  56. J. Hwu, J. Chen and X. Li, "Sum transmission power of multiple cooperative secondary transmitters in dynamic spectrum access networks," the 42nd Annual Conference on Information Sciences and Systems (CISS'2008), Princeton University, Mar. 19-21, 2008.
  57. X. Li, J. Chen and F. Ng, "Secure transmission power of cognitive radios for dynamic spectrum access applications," the 42nd Annual Conference on Information Sciences and Systems (CISS'2008), Princeton University, Mar. 19-21, 2008.
  58. X. Li, J. Hwu and F. Ng, "Transmission power and capacity of secondary users in a dynamic spectrum access network," IEEE Military Communications Conference (MILCOM'2007), Orlando, FL, Oct. 29-31, 2007. (slides)
  59. X. Li, "An efficient method for hop selection and capacity enhancement in multi-hop wireless ad-hoc networks," IEEE Military Communications Conference (MILCOM'2007), Orlando, FL, Oct. 29-31, 2007. (slides)
  60. F. Ng and X. Li, "CFO-resistant receiver for asynchronous MC-DS-CDMA systems," Proceedings of the IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP'2007), Honolulu, Hawai'i, April 15-20, 2007.
  61. X. Li and F. Ng, "Using cyclic prefix to mitigate carrier frequency and timing asynchronism in cooperative OFDM transmissions," in Proceedings of the 40th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, Oct. 29-Nov. 1, 2006.
  62. X. Li and J. Hwu, "Performance of cooperative transmissions in flat fading environment with asynchronous transmitters," IEEE Military Communications Conference (MILCOM'2006), Washington, DC, Oct. 23-25, 2006.
  63. X. Li, J. Hwu and E. P. Ratazzi, "Array redundancy and diversity for wireless transmissions with low probability of interception," Proceedings of the IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP'2006), Toulouse, France, May 14-19, 2006.
  64. F. Ng and X. Li, "Cooperative STBC-OFDM transmissions with imperfect synchronization in time and frequency," in Proceedings of the 39th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, Oct. 30-Nov. 2, 2005. (slides)
  65. X. Li, F. Ng, J. Hwu and M. Chen, "Channel equalization for STBC-encoded cooperative transmissions with asynchronous transmitters," in Proceedings of the 39th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, Oct. 30-Nov. 2, 2005. (slides)
  66. X. Li and E. P. Ratazzi, "MIMO transmissions with information-theoretic secrecy for secret-key agreement in wireless networks," IEEE Military Communications Conference (MILCOM'2005), Atlantic City, NJ, Oct. 17-20, 2005. (slides)
  67. F. Ng, J. Hwu, M. Chen and X. Li, "Asynchronous space-time cooperative communications in sensor and robotic networks,"  the 2005 IEEE International Conference on Mechatronics and Automation (IEEE ICMA'2005), Niagara Falls, Ontario, Canada, July 29-August 1, 2005.
  68. X. Li, M. Chen and E. P. Ratazzi, "Array-transmission based physical-layer security techniques for wireless
    sensor networks    ," the 2005 IEEE International Conference on Mechatronics and Automation (IEEE ICMA'2005), Niagara Falls, Ontario, Canada, July 29-August 1, 2005.
  69. X. Li, M. Chen and E. P. Ratazzi, "Space-time transmissions for wireless secret-key agreement with information-theoretic secrecy," the 6th IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC'05), The Italian Academy at Columbia University, New York, June 5-8, 2005. (slides)
  70. X. Li, M. Chen and E. P. Ratazzi, "A randomized space-time transmission scheme for secret-key agreement," the 39th Annual Conference on Information Sciences and Systems (CISS'2005), Johns Hopkins University, Mar. 16-18, 2005. (slides)
  71. N. E. Wu, X. Li and T. Busch, "Fault-tolerance in multihop wireless networks with and without feedback,'' Proc. IFAC World Congress, 2005.
  72. W. Liu, X. Li and M. Chen, "Energy efficiency of MIMO transmissions in wireless sensor networks with diversity and multiplexing gains," Proceedings of the IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP'2005), Philadelphia, PA, Mar. 18-23, 2005. (slides)
  73. X. Li, M. Chen and W. Liu, "Cooperative transmissions in wireless sensor networks with imperfect synchronization," in Proceedings of the 38th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, Nov. 2004. (slides)
  74. X. Li, "Blind channel identification and equalization in dense wireless sensor networks with distributed transmissions," in Proceedings of the IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP'2004), Montreal, Quebec, Canada, May 17-21, 2004. (slides)
  75. T. Han and X. Li, "Blind adaptive equalization of OFDM transmission with insufficient cyclic prefix," in Proceedings of the 6th International Conference on Modern Problems of Radio Engineering, Telecommunications and Computer Science (TCSET'2004), Lviv-Slavsko, Ukraine, February 24-28, 2004.
  76. M. Chen and X. Li, "Transmitter-based channel equalization and MUI suppression for UWB systems," In Proceedings of the 6th International Conference on Modern Problems of Radio Engineering, Telecommunications and Computer Science (TCSET'2004), Lviv-Slavsko, Ukraine, February 24-28, 2004.
  77. X. Li and N. E. Wu, "Power efficient wireless sensor networks with distributed transmission-induced space spreading," in Proceedings of the 37th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, Nov. 2003. (slides)
  78. T. Han and X. Li, "Smart random channel access in OFDM systems by joint signal processing and packet scheduling," in Proceedings of IEEE International Workshop on Soft Computing in Industrial Applications (SMCia/03), Binghamton, NY, June 13-25, 2003.
  79. X. Li, "Make random access contentions transparent by orthogonal complementary
    80. codes in wireless communications," in Proceedings of the IEEE International Conference on Communications (ICC 2003), vol. 3, pp. 2159-2163, Anchorage, AK, May 11-15, 2003. (slides)
  80. X. Li and W. Liu, "Smart contention resolution in random access wireless networks with unknown multiple users: a joint layer design approach," in Proceedings of the IEEE International Conference on Communications (ICC 2003), vol. 2, pp. 1243-1247, Anchorage, AK, May 11-15, 2003. (slides)
  81. T. Han and X. Li, "Minimum-output-energy method for blind equalization of OFDM and systems with sufficient or insufficient cyclic prefix," in Proceedings of the IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP), vol. 4, pp. 225-228, Hong Kong, April 6-10, 2003.
  82. X. Li, "Channel independent Viterbi Algorithm for DNA sequencing," in 37th Annual Conference on Information Sciences and Systems (CISS), Baltimore, MD, March 12-14, 2003. presentation.
  83. X. Li, "Integration of system design and standard development in digital communication education," in the Proceedings of the Zone I Conference of the American Society for Engineering Education (ASEE), The United States Military Academy at West Point, NY, April 5-6, 2002. presentation.
  84. X. Li, "Utilizing channel coding information in CIVA-based blind sequence detectors," in Proceedings of the IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP), vol. 3, pp. 2461-2464, Orlando, FL, May 13-17, 2002. (ppt)
  85. X. Li and T. Han, "Blind channel identification and equalization for precoded communication systems," in Proceedings of the IEEE International Conference on Communications (ICC), vol. 1, pp. 124-128, New York City, NY, April 29-May 1, 2002.
  86. X. Li, "Channel independent Viterbi algorithm (CIVA) for blind sequence detection with near MLSE performance," in Proceedings of the 35th Asilomar Conference on Signals, Systems and Computers, vol. 1, pp. 737-741, Pacific Grove, CA, Oct. 2001. Presentation[ppt]
  87. X. Li and H. Fan, "Blind Channel Identification by Subspace Tracking and Successive Cancellation," vol. 4, ICASSP'2001, Salt Lake City, UT, May 2001.
  88. X. Li and H. Fan, "Blind Multiuser Detection for CDMA with Multipath: A Direct Method," in Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing, vol. 5, pp. 2901-2904, Istanbul, Turkey, June 5-9, 2000. [ postscript / pdf ]
  89. X. Li and H. Fan, "Blind zero-forcing equalization without channel estimation,"  33rd Asilomar Conference on Signals, Systems and Computers, vol. 2, pp. 1022-1026, Pacific Grove, CA, Oct. 24-27, 1999.   [pdf]
  90. H. Fan and X. Li, "An adaptive linear prediction algorithm for joint blind equalization and blind multiuser detection in CDMA,"  33rd Asilomar Conference on Signals, Systems and Computers, vol. 1, pp. 644-648, Pacific Grove, CA, Oct. 24-27, 1999.  [ pdf ]
  91. X. Li and H. Fan, "Recursive blind channel identification and equalization by ULV decomposition'', ICASSP'99, vol. 5, pp. 2639-2642, Arizona, Mar 1999.  [ pdf ]
  92. X. Li and H. Fan, "QR decomposition based blind channel identification and equalization,''32nd Asilomar Conference on signals, systems, and computers, vol. 2, pp. 1484-1488, Pacific Grove, CA, Nov. 1998.  [ pdf ]
  93. H. Fan and X. Li, "Joint blind multiuser detection and blind channel equalization in CDMA by linear prediction," 36th Annual Allerton Conference on Communication, Control, and Computing,  Urbana, IL, Sept. 1998.

Patents:

  1. X. Li and R. Thompson, "Integrating volterra series model and deep neural networks to equalize nonlinear power amplifiers," US 10,985,951 B2, April 20, 2021

Invited talks:

  1. X. Li, "Physical-layer progress for interference-immune multi-hop wireless networking," Temple University, May 18, 2015.
  2. X. Li, "Advanced antenna array transmission technology and wireless information assurance," the Mohawk Valley Section IEEE AP/MTT Society Chapter, the Griffiss Institute Center for Information Assurance, Aug. 2007.
  3. X. Li, "Collaborative communications in wireless networks without perfect synchronization," AFOSR program review, June 2004. Also available online: http://www.if.afrl.af.mil/tech/programs/CITE/afosr/index.html

Others (Technical Reports):

  1. N. E. Wu, X. Li and M. Ruschmann, "Robust resource allocation in an air operation model and robust tasking of wireless airborne networks," AFRL, contract FA8750-08-1-0223
  2. X. Li, "Secure cooperative communications and testbed development," AFRL-IF-RS-TS-2007, May 2007, Contract FA8750-06-0167.
  3. X. Li, "Wireless IA and cooperative communications," AFRL-IF-RS-TR-2006-104, March 2006.
  4. X. Li, "Cooperative communications for wireless information assurance," AFRL-IF-RS-TR-2005-279, Contract FA8750-04-1-0213, Air Force Research Laboratory, Information Directorate, Rome, NY, July 2005.

Some selected papers in Chinese:

  1. J. Chen, X. Li, B. Chen and F. Cai, "Research on smart residential wiring," Industrial Construction (in Chinese), July 2009.
  2. J. Chen, X. Li, B. Chen and F. Cai, "Discussion of the application of cognitive radios," Communications Technology (in Chinese), October 2009.
  3. J. Chen, X. Li, B. Chen, F. Cai, X. Wang and G. Zheng, "Research on sensor network-based wireless switch," Electronic Devices (in Chinese), April 2009.
  4. J. Chen, X. Li, B. Chen, G. Zheng and X. Wang, "Availability analyses of CR in gray spectrum," Chinese Scientific Papers On-line, #200811-488, Nov. 18, 2008. (http://www.paper.edu.cn)
  5. X. Li and S. Shi, "Robustness analysis and design of systems with an observer that are subject to perturbations of matrix elements (Chinese),'' J. Shanghai Jiao Tong Univ., vol. 28, No. 3, pp. 40-45, May 1994.
  6. X. Li and S. Shi, "Robust design of systems with an observer on the basis of eigenstructure assignment (Chinese),'' J. Fuzhou Univ. Nat. Sci. Ed., vol. 21, No. 5, pp. 12-17, Oct 1993.
  7. X. Li and J. Xu, "Research and development of DSP-based hearing aids,'' National BME Conference, Beijing, China, Oct. 1995.
  8. X. Li, "Speech processing using wavelet in multi-channel cochlear implant,'' National Youth BME Conference, China, 1994.
  9. X. Li and S. Shi, "Robust design: optimal approach to the ideal eigenstructure of the closed-loop system,'' National Control Conference, Shuzhou, China, 1993.
  10. X. Li and S. Shi, "Robust optimization of the static observer error of the system with an observer'', National Control Conference, 1994 (?)
  11. X. Li and J. Xu, "Filter's robust stability analysis'', National BME Conference, 1993(?)