Publications

Journal Papers

  1. Qi Ling and Tongtong Li, ``Message-Driven Frequency Hopping -- Design and Analysis,'' IEEE Transactions on Wireless Communications, accepted for publication, Nov. 2008.
  2. Qi Ling and Tongtong Li, ``Blind Channel Estimation for MIMO Systems with Structured Transmit Delay Scheme,'' IEEE Transactions on Circuits and Systems I, accepted. Dec. 2007.
  3. Huahui Wang and Tongtong Li, ``Hybrid ALOHA: A Novel MAC Protocol," IEEE Transacations on Signal Processing, vol. 55, pp: 5821-5832, Dec. 2007.
  4. Huahui Wang and Tongtong Li, ``Channel Tracking and Signal Detection for MC-CDMA in Time-Varying Environments", IEEE Transacations on Vehicular Technology, vol. 56, no. 6, pp: 3613-3620, Nov. 2007.
  5. Tongtong Li, Qi Ling and Zhi Ding, ``Space-Time Diversity Design for Blind Channel Estimation and Equalization over Frequency Selective Fading Channels', EURASIP Journal on Wireless Communications and Networking, Jan. 2007.
  6. Tongtong Li, Qi Ling and Jian Ren, ``Physical Layer Built-in Security Analysis and Enhancement of CDMA Systems", EURASIP Journal on Wireless Communications and Networking, Jan. 2007.
  7. Tongtong Li, Huahui Wang and Qi Ling, ``Source-Aware Non-Uniform Information Transmission for Minimum Distortion," IEEE Signal Processing Letters, vol. 14, No. 2, pp. 85-88, Feb. 2007.
  8. Gokul Swamy, Qi Ling, Tongtong Li and Ramakrishna Mukkamala, ``Blind Identification of the Aortic Pressure Waveform from Multiple Peripheral Artery Pressure Waveform,'' American Journal of Physiology: Heart and Circulatory Physiology, 292: H2257-H2264, January 5, 2007.
  9. Tongtong Li, Weiguo Liang, Zhi Ding and J.K. Tugnait, ``Blind Multiuser Detection for Long code CDMA Systems with Transmission Induced Cyclostationarity," EURASIP Journal on Wireless Communications and Networking, special issue on Advanced Signal Processing Algorithms for Wireless Communications, vol. 2005, No. 2, pp. 206-215, April 15, 2005.
  10. Weiguo Liang, Tongtong Li and J.K. Tugnait, ``Blind Detection of Multirate Asynchronous CDMA Signals using Super-Exponential Methods," IEEE Signal Processing Letters, vol. SPL-12, pp. 218-221, March 2005.
  11. Tongtong Li and J.K. Tugnait, ``Super-exponential methods for blind detection of asynchronous CDMA signals over multipath channels,'' IEEE Transactions on Wireless Communications, vol. 3, no. 5, pp. 1379-1385, Sept. 2004.
  12. J.K. Tugnait and Tongtong Li, ``Blind asynchronous multiuser CDMA receivers for ISI channels using code-aided CMA,'' IEEE Journal on Selected Areas in Communications, Special issue on Multiuser Detection Techniques with Application to Wired and Wireless Communications Systems, vol. 19, no. 8, pp. 1520-1530, August 2001.
  13. J.K. Tugnait and Tongtong Li, ``Blind detection of asynchronous CDMA signals in multipath channels using code-constrained inverse filter criteria,'' IEEE Transactions on Signal Processing, vol. 49, no. 7, pp. 1300-1309, July 2001.
  14. J.K. Tugnait and Tongtong Li, ``A multistep linear prediction approach to blind asynchronous CDMA channel estimation and equalization,'' IEEE Journal on Selected Areas in Communications, vol. 19, no. 6, pp. 1090-1102, June 2001.
  15. Tongtong Li and Zhi Ding, ``Joint transmitter-receiver optimization for partial response channels based on non-maximally decimated filterbank precoding technique,'' IEEE Transactions on Signal Processing, vol. 47, no. 9, pp. 2407-2414, Sept. 1999.

Conference Papers

  1. Tongtong Li, Huahui Wang and Lang Tong, ``Hybrid ALOHA: a novel medium access control protocol", Proceedings of 2006 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2006), Toulouse France, May 2006.
  2. Qi Ling and Tongtong Li, ``Blind MIMO Channel Estimation Based on Structured Transmit Delay", Proceedings of 2006 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2006), Toulouse France, May 2006.
  3. Huahui Wang and Tongtong Li, ``Signal Detection and Abrupt-Channel Tracking for MC-CDMA", Proceedings of 2006 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2006), Toulouse France, May 2006.
  4. Tongtong Li, Huahui Wang and Ren Jian, "Non-uniform information transmission for minimum distortion in wireless networks", Proceedings of 2006 International Conference on Wireless Algorithms, Systems and Applications (WASA), Xi'an China, Aug. 2006.
  5. Huahui Wang and Tongtong Li, "Channel tracking and signal detection for MC-CDMA in time varying environment", Proceedings of 2006 IEEE International Conference on Communications (ICC), Istanbul, TURKEY, June 2006.
  6. Huahui Wang, Zhiwei Cen, Tongtong Li and Matt Mutka, "A topology-aware routing protocol for an ad-hoc network with multiple sinks", Proceedings of 2006 IEEE Electro/Information Technology Conference (EIT), Michigan, USA, May 2006.
  7. Huahui Wang and Tongtong Li, "Source-aware non-uniform transmission for minimum distortion in wireless communications", Proceedings of 2006 Conference on Information Sciences and Systems (CISS), University of Princeton, Princeton, NJ, March 2006.
  8. Qi Ling and Tongtong Li, "Efficiency Improvement for Alamouti Codes", Proceedings of 2006 Conference on Information Sciences and Systems (CISS), University of Princeton, Princeton, NJ, March 2006.
  9. Tongtong Li, Qi Ling and Zhi Ding, ``Space-Time Diversity Design for Blind Estimation and Equalization over Frequency Selective Channels", Proceedings of 2005 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2005), Philadelphia, PA, USA, March 2005.
  10. Qi Ling, Tongtong Li and Jian Ren, Physical Layer Built-in Security Enhancement of CDMA Systems Using Secure Block Interleaving, Proceedings of IEEE Globecom 2005, Nov. 28 - Dec. 2, 2005. St. Louis, MO.
  11. Qi Ling, Tongtong Li and Zhi Ding, Blind Channel Estimation for MIMO Systems with Structured Transmit Delay Diversity, Proceedings of IEEE Globecom 2005, Nov. 28 - Dec. 2, 2005. St. Louis, MO.
  12. Jian Ren, Tongtong Li and Dean Aslam, "A Power Efficient Link-Layer Security Protocol (LLSP) for Wireless Sensor Networks", Proceedings of IEEE Milcom 2005, Oct. 17-20, 2005, Atlantic City, NJ.
  13. Jian Ren and Tongtong Li, "A Cryptographically Secure Image Watermarking Scheme", Proceedings of IEEE Milcom 2005, Oct. 17-20, 2005, Atlantic City, NJ.
  14. Qi Ling, Tongtong Li, Jian Ren and Anil Jain, "PhySical Layer Built-in Security Analysis and Enhancement of CDMA Systems", Proceedings of IEEE Milcom 2005, Oct. 17-20, 2005, Atlantic City, NJ.
  15. Qi Ling, Tongtong Li, Jian Ren and Anil Jain, "Secure Interleaving: Physical Layer Built-in Security Enhancement of CDMA Systems", Proceedings of IEEE Milcom 2005, Oct. 17-20, 2005, Atlantic City, NJ.
  16. Huahui Wang, Qi Ling and Tongtong Li, "A New Multicarrier CDMA System Exploiting Frequency-Time Diversities,'' Proceedings of 2005 Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA.
  17. Qi Ling, Huahui Wang and Tongtong Li, "Blind Channel Estimation for MIMO Systems with Structured Transmit Delay Diversity", Proceedings of 2005 Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA.
  18. Jian Ren and Tongtong Li, ``Design of pseudo-random spreading sequences for CDMA systems,'' Proceedings of 2004 IEEE Global Communications Conference, Dallas Texas, Nov. 29 - Dec. 3, 2004.
  19. Huahui Wang and Tongtong Li, ``Joint channel estimation and signal detection for uplink MC-CDMA systems over time-varying multipath channels,'' Proceedings of 2004 Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 7-10, 2004.
  20. Qi Ling, Tongtong Li and Jian Ren, ``Physical layer built-in security enhancement of DS-CDMA systems using secure block interleaving,'' Proceedings of 2004 Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 7-10, 2004.
  21. Jian Ren, Tongtong Li and Mehrdad Nadooshan, ``A cryptographic watermark embedding technique,'' Proceedings of 2004 Asilomar Conference on Signals, Systems, and Computers, Nov. 7-10, 2004, Pacific Grove, CA.
  22. Tongtong Li, Jian Ren and Weiguo Liang, ``A generalized framework - periodically scrambled CDMA,'' Proceedings of 2004 IEEE International Conference on Signal Processing, Beijing, China, Aug. 31-Sept. 4, 2004.
  23. Weiguo Liang and Tongtong Li, ``Blind detection of multirate asynchronous CDMA signals using super-exponential methods,'' Proceedings of 2004 IEEE International Conference on Signal Processing, Beijing, China, Aug. 31-Sept. 4, 2004.
  24. Tongtong Li, Zhi Ding, J.K. Tugnait and Weiguo Liang, ``Channel identification and signal separation for long-code CDMA systems using multistep linear prediction method,'' Proceedings of 2004 IEEE International Conference on Communications, Paris, France, June 2004.
  25. Tongtong Li, Jian Ren, Qi Ling and Weiguo Liang, ``Physical Layer Built-in Security Analysis and Enhancement of CDMA Systems,'' Proceedings of 2004 Conference on Information Sciences and Systems, University of Princeton, Princeton, NJ, March 2004.
  26. Weiguo Liang and Tongtong Li, ``Blind Multiuser Detection For Uplink CDMA Systems With Aperiodic Spreading Codes,'' Proceedings of 2004 Conference on Information Sciences and Systems, University of Princeton, Princeton, NJ, March 2004.
  27. Jian Ren and Tongtong Li, ``CDMA physical layer built-in security enhancement, Proceedings of 2003 Fall IEEE Vehicular Technology Conference, Orlando, Florida, USA, October 6-9, 2003.
  28. Tongtong Li, J.K. Tugnait and Zhi Ding, ``Channel estimation of long-code CDMA systems utilizing transmission induced cyclostationarity,'' Proceedings of 2003 IEEE International Conference on Acoustics, Speech and Signal Processing, Hong Kong, April 6-10, 2003.
  29. Tongtong Li and J.K. Tugnait, ``Further results on blind detection of asynchronous CDMA signals using code-constrained super-exponential algorithm,'' Proceedings of 2002 IEEE International Conference on Acoustics, Speech and Signal Processing, Volume: 3, 2002 Page(s): 2229-2232, Orlando, Florida, May 13-17, 2002.
  30. Tongtong Li and J.K. Tugnait, ``Super-exponential methods for blind detection of asynchronous CDMA signals over multipath channels,'' Proceedings of 2001 International Conference on Communications, Helsinki, Finland, June 11-14, 2001.
  31. J.K. Tugnait and Tong-tong Li, ``Blind detection of asynchronous CDMA signals in multipath channels using code-constrained inverse filter criteria,'' Proceedings of 2000 IEEE International Conference on Acoustics, Speech and Signal Processing, Turkey, June 2000.
  32. Tongtong Li and J.K. Tugnait, ``Further results on blind asynchronous CDMA receivers using code-constrained inverse filter criterion,'' Proceedings of 2001 IEEE International Conference on Acoustics, Speech and Signal Processing, Salt Lake City, Utah, May 2001.
  33. Tongtong Li and J.K. Tugnait, ``New results on blind asynchronous CDMA receivers using code-constrained CMA,'' Proceedings of 2001 IEEE Workshop on Signal Processing Advances in Wireless Communications, Taiwan, China, March 20-23, 2001.
  34. Tong-tong Li and J.K. Tugnait, ``A multistep linear prediction approach to blind asynchronous CDMA channel estimation and equalization,'' Proceedings of 2000 IEEE International Conference on Acoustics, Speech and Signal Processing, Turkey, June 2000.
  35. Tongtong Li and J.K. Tugnait, ``A code-constrained constant-modulus approach to blind detection of asynchronous CDMA signals in multipath channels,'' Proceedings of 2000 Conference on Information Sciences and Systems, University of Princeton, Princeton, NJ, March 2000.
  36. Tongtong Li and Zhi Ding, ``A reduced-state Viterbi algorithm for blind sequence estimation for DPSK sources,'' Proceedings of 1999 IEEE Global Telecommunications Conference, Brazil, Dec.1999.

Theses and Technical Reports

  1. Tongtong Li, Joint transmitter-receiver optimization for partial response channels, MS. thesis, Auburn University, AL, June 1998.
  2. Tongtong Li, Blind channel estimation and multiuser detection for CDMA systems over multipath channels, Ph.D. dissertation, Auburn University, AL, 2000
  3. Tongtong Li, Performance Analysis and Simplification of the IS-136 Downlink Beam-Steering Intelligent Antenna Algorithm, Lucent Technical Memo, ITD-01-40760E, Jan. 2001
  4. Tongtong Li, Channel Impulse Response Model for Indoor Communications Systems, Bell Labs Technical Report, Lucent Technologies, Inc., Jan. 2001
  5. Tongtong Li, On the Implementation of the Soft-Decision Viterbi Decoding Algorithm for QAM Modulations, Bell Labs Technical Report, Lucent Technologies, Inc., May 2001

Tongtong - Li 2006-10-02