Research

 

CURRENT RESEARCH INTEREST (my lab poster)

 

  • Networked information processing and crosslayer design (with a physical layer emphasis) in wireless ad hoc and sensor networks
  • Distributed detection and collaborative quickest detection in wireless networks
  • Distributed, multicell, multiuser MIMO communications
  • Information-theoretic and computation-theoretic aspects of multiuser communications and networks

SUPERVISING

 

Yanbing Zhang (Ph. D. candidate)

 

Chengzhi Li (Ph. D. student)

 

Yuehua Liu (Ph.D. student)

 

Bingfei Wang (Ph.D. student)

 

Danny Ranck (B.S. student, through NSF REU)

 

 

Previous Students

 

Vivek Goel (M.S. 2005, Aware, Inc., MA):

Semi-blind Turbo Detection for Multiple-Input Multiple-Output Wireless Systems

 

Hongyuan Zhang (Ph.D. 2006, Marvell Semiconductor, Inc., CA):

MIMO Communications Systems: Antenna Selection and Interference Mitigation - 2007 NC State Graduate School Dissertation Award (only one per year)

 

Quan Zhou (Ph.D. 2006, Marvell Semiconductor, Inc., CA):

Wireless Communications with MIMO Systems: Analysis and Practice

 

Wenjun Li (Ph.D. 2007, Qualcomm, CA):

Distributed and Collaborative Information Processing in Wireless Sensor Networks

 

Chuck Anumudu (B.S. student, through NSF AGEP and REU)

 

Harish Chintakunta (M.S. student)

 

PUBLICATIONS

 

Journal Papers and Manuscripts:

 

  1. H. Li, H. Dai, and C. Li, “Collaborative Quickest Spectrum Sensing via Random Broadcast in Cognitive Radio Systems,” submitted for publication.
  2. C. Li, H. Dai, and H. Li, “Adaptive Quickest Change Detection with Unknown Parameters,” submitted for publication.
  3. Y. Zhang and H. Dai, “A Real Orthogonal Space-Time Coded UWB Scheme for Wireless Secure Communications,” EURASIP Journal on Wireless Communications and Networking, special issue on Wireless Physical Layer Security, 2009.
  4. H. Li, H. Dai and C. Li, “Collaborative Quickest Detection in Ad Hoc Networks with Communication Delay Constraint,” submitted for publication.
  5. W. Li, Y. Zhang and H. Dai, “Location Aided Fast Distributed Consensus,” IEEE Trans. Information Theory, submitted.
  6. H. Dai, M. Gastpar, N. Jindal, and L.L. Xie (eds), Theory and Applications in Multi-user/Multi-terminal Communications, EURASIP Journal on Wireless Communications and Networking, Aug. 2008.
  7. E. Serpedin, H. Li, A. Dogandžić, H. Dai, and P. Cotae (eds), Distributed Signal Processing Techniques for Wireless Sensor Networks, EURASIP Journal on Advances in Signal Processing, Jan. 2008.
  8. W. Li and H. Dai, “Cluster-based Distributed Consensus,” IEEE Trans. Wireless Communications, vol. 8, no. 1, Jan. 2009.
  9. H. Zhang, H. Dai and B. L. Hughes, “Analysis on the Diversity-Multiplexing Tradeoff for Ordered MIMO SIC Receivers,” IEEE Trans. Communications, vol. 57, no. 1, Jan. 2009.
  10. H. Zhang and H. Dai, “Cellular Networks: Design Fundamentals and Interference Mitigation,” “Design Fundamentals and Interference Mitigation for Cellular Networks,” Advances in Wireless Networks: Performance Modelling, Analysis and Enhancement, G. Min, Y. Pan, P. Fan (eds.), Nova Science Publishers, 2008.
  11. W. Li and H. Dai, “Energy-Efficient Distributed Detection via Multihop Transmission in Sensor Networks,” IEEE Signal Processing Letters, vol. 15, 2008.
  12. H. Zhang, N. B. Mehta, A. F. Molisch, J. Zhang, and H. Dai, “Joint Transmission by Cooperative Base Stations in Multiuser MIMO Cellular Downlinks with Asynchronous Interference,” IEEE Trans. Wireless Communications, vol. 7, no. 1, Jan. 2008.
  13. Y. Zhang and H. Dai, “Energy Efficiency and Optimal Transmission Strategy Selection in Wireless Sensor Networks,” Journal of Communications and Networks, vol.9, no.4, Dec.2007.
  14. Q. Zhou and H. Dai, “Asymptotic Analysis on the Interaction between Spatial Diversity and Multiuser Diversity in Wireless Networks,” IEEE Trans. Signal Processing, vol. 55, no. 8, pp. 4271-4283, Aug. 2007.
  15. H. Dai, H. Zhang, and Q. Zhou, “Some Analysis in Distributed MIMO Systems,” Journal of Communications, Academy Publisher, vol. 2, no. 3, 2007.
  16. W. Li and H. Dai, “Distributed Detection in Wireless Sensor Networks Using a Multiple Access Channel,” IEEE Trans. Signal Processing, vol. 55, no. 3, pp. 822-833, Mar. 2007.
  17. H. Dai, S. Jayaweera, H. V. Poor, D. Reynolds, and X. Wang, “Multiuser Receiver Design,” MIMO Wireless Communications, E. Bilgieri, A. R. Calderbank, A. G. Constantinides, A. Goldsmith, A. Paulraj and H. V. Poor (eds),  Cambridge University Press: Cambridge, UK, 2006
  18. H. Zhang, H. Dai, Q. Zhou and B. L. Hughes, “On the Diversity Order of Spatial Multiplexing Systems with Transmit Antenna Selection: A Geometrical Approach,” IEEE Trans. Information Theory, vol. 52, no. 12, pp. 5297-5311, Dec. 2006.
  19. Q. Zhou and H. Dai, “Asymptotic Analysis in MIMO MRT/MRC Systems,” EURASIP Journal on Wireless Communications and Networking, 2006.
  20. H. Zhang and H. Dai, “Fast MIMO Antenna Selection Algorithms: A Geometric Approach,” IEEE Comm. Letters, vol. 10, no. 11, pp. 754-756, Nov. 2006.
  21. W. Li and H. Dai, “Optimal Throughput and Energy Efficiency for Wireless Sensor Networks: Multiple Access and Multi-packet Reception,” EURASIP Journal on Wireless Communications and Networking, special issue on Wireless Sensor Networks, 4th quarter 2005.
  22. Q. Zhou and H. Dai, “Joint Antenna Selection and Link Adaptation for MIMO Systems,” IEEE Trans. Vehicular Technology, vol. 55, no. 1, pp. 243-255, Jan. 2006.
  23. H. Zhang and H. Dai, “Co-channel Interference Mitigation and Cooperative Processing in Downlink Multicell Multiuser MIMO Networks,” EURASIP Journal on Wireless Communications and Networking, special issue on Multiuser MIMO Networks, 4th quarter 2004.
  24. H. Dai, L. Mailaender, and H. V. Poor, “CDMA Downlink Transmission with Transmit Antenna Arrays and Power Control in Multipath Fading Channels,” EURASIP Journal on Wireless Communications and Networking, special issue on Innovative Signal Transmission and Detection Techniques for Next Generation Cellular CDMA Systems, 3rd quarter, 2004.
  25. H. Dai, A. F. Molisch, and H. V. Poor: "Downlink Capacity of Interference-Limited MIMO Systems with Joint Detection," IEEE Trans. Wireless Comm., vol. 3, no. 2, pp. 442-453, March 2004.
  26. H. Dai and H. V. Poor: "Asymptotic Spectral Efficiency of Multicell MIMO Systems with Frequency-Flat Fading," IEEE Trans. Signal Processing, vol. 51, no. 11, pp. 2976-2989, Nov. 2003.
  27. H. Dai and H. V. Poor, “Advanced Signal Processing for Powerline Communications,” invited paper, IEEE Communications Magazine, vol. 41, no. 5, pp. 100-107, May 2003.
  28. H. Dai and H. V. Poor: "Iterative Space-Time Processing for Multiuser Detection in Multipath CDMA Channels", IEEE Trans. Signal Processing, vol. 50, no. 9, pp. 2116-2127, Sept. 2002.
  29. H. Dai and H. V. Poor: “Turbo Multiuser Detection for Coded DMT VDSL Systems,” IEEE J. Select. Areas Commun., vol. 20, no.2, pp. 351-362, Feb. 2002.
  30. H. Dai and H. V. Poor: “Crosstalk Mitigation in DMT VDSL with Impulse Noise,” IEEE Trans. Circuits and Systems I: Fundamental Theory and Applications, vol. 48, no. 10, pp. 1205-1213, Oct. 2001.
  31. H. Dai and Z. Cao, "Study of IMBE Vocoder with Speech Enhancement," Journal of China Institute of Communications, vol. 19, no. 4, pp. 43-49, April 1998.

Conference Papers and Presentations:

 

  1. Y. Zhang and H. Dai, “Structured Variational Methods for Distributed Inference: Convergence Analysis and Performance-Complexity Tradeoff,” 2009 IEEE International Symposium on Information Theory (ISIT), Seoul, South Korea, June 2009.
  2. C. Li, H. Dai and H. Li, “Adaptive Quickest Change Detection with Unknown Parameter,” 2009 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Taipei, April 2009.
  3. Y. Zhang and H. Dai, “Structured Variational Methods for Distributed Inference in Wireless Ad Hoc and Sensor Networks,” 2009 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Taipei, April 2009.
  4. C. Li, H. Dai and H. Li, “Finding the K Largest Metrics in a Noisy Broadcast Network,” 2008 Allerton Conference on Communication, Control and Computing, Monticello, IL, Sept. 2008.
  5. H. Li and H. Dai, “Continuous-Model Communication Complexity with Applications in Distributed Resource Allocation in Wireless Ad Hoc Networks,” 2008 Allerton Conference on Communication, Control and Computing, Monticello, IL, Sept. 2008.
  6. H. Li, C. Li and H. Dai, “Collaborative Quickest Detection in Ad Hoc Networks with Delay Constraint – Part I: Two-node Network,” 2008 Conference on Information Sciences and Systems (CISS), Princeton, NJ, Mar. 2008.
  7. C. Li, H. Li and H. Dai, “Collaborative Quickest Detection in Ad Hoc Networks with Delay Constraint – Part II: Multi-node Network,” 2008 Conference on Information Sciences and Systems (CISS)), Princeton, NJ, Mar. 2008.
  8. H. Li, C. Li and H. Dai, “Quickest Spectrum Sensing in Cognitive Radio,” 2008 Conference on Information Sciences and Systems (CISS), Princeton, NJ, Mar. 2008.
  9. Y. Zhang and H. Dai, “Distributed Estimation in Wireless Sensor Networks via Variational Message Passing,” 2008 Conference on Information Sciences and Systems (CISS), Princeton, NJ, Mar. 2008.
  10. H. Dai and H. Li, “Identifying Sufficient Statistics in Information Networks,” 2008 Conference on Information Sciences and Systems (CISS), Princeton, NJ, Mar. 2008.
  11. W. Li and H. Dai, “LADA algorithms: Performance lower bounds and cluster-based variant,” 2007 Allerton Conference on Communication, Control and Computing, Monticello, IL, Sept. 2007.
  12. W. Li and H. Dai, “Location-aided fast distributed averaging,” 2007 IEEE Statistical Signal Processing Workshop (SSP), Madison, Wisconsin, August 2007.
  13. H. Zhang, N. B. Mehta, A. F. Molisch, J. Zhang, and H. Dai, “On the fundamentally asynchronous nature of interference in cooperative base station systems,” 2007 IEEE International Conference on Communications (ICC), Glasgow, Scotland, June 2007.
  14. W. Li and H. Dai, “Accelerating distributed consensus via lifting Markov chains,” 2007 IEEE International Symposium on Information Theory (ISIT), Nice, France, June 2007.
  15. W. Li and H. Dai, “Cluster-based fast distributed consensus,” 2007 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Hawaii, April 2007.
  16. H. Dai and Y. Zhang, “Consensus estimation via belief propagation,” 2007 Conference on Information Sciences and Systems (CISS), The Johns Hopkins University, Baltimore, MD, March 2007.
  17. Y. Zhang and H. Dai, “Dynamic self-calibration in collaborative wireless networks using belief propagation with Gaussian-particle filtering,” 2007 Conference on Information Sciences and Systems (CISS), The Johns Hopkins University, Baltimore, MD, March 2007.
  18. T. Chen, Z. Yu, Y. Peng, Y. Zhang, H.  Dai, X. Liu, “A MIMO receiver SOC for CDMA applications,” IEEE International SOC Conference, Austin, TX, Sept. 2006.
  19. W. Li and H. Dai, “Energy efficient distributed detection via multi-hop transmission in sensor networks,” 2006 Military Communications Conference (MILCOM), Washington D.C., Oct. 2006.
  20. H. Dai and Q. Zhou, “Scheduling gain in spatial diversity systems: Asymptotic analysis,” 2006 IEEE International Symposium on Information Theory (ISIT), Seattle, WA, July 2006.
  21. W. Li and H. Dai, “Distributed detection of a deterministic signal in correlated Gaussian noise over MAC,” 2006 IEEE International Symposium on Information Theory (ISIT), Seattle, WA, July 2006.
  22. Q. Zhou and H. Dai, “Asymptotic analysis on spatial diversity versus multiuser diversity in wireless networks,” 2006 IEEE International Conference on Communications (ICC), Istanbul, Turkey, June 2006.
  23. H. Zhang, H. Dai and B. L. Hughes, “On the diversity-multiplexing tradeoff for ordered SIC receivers over MIMO channels,” 2006 IEEE International Conference on Communications (ICC), Istanbul, Turkey, June 2006.
  24. Y. Zhang and H. Dai, “A unitary space-time coding scheme for UWB systems and its application in wireless secure communications,” Proc. 2006 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Toulouse, France, May 2006.
  25. H. Dai, “Distributed versus co-located MIMO systems with correlated fading and shadowing,” Proc. 2006 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Toulouse, France, May 2006.
  26. Q. Zhou, H. Dai and H. Zhang, “Joint Tomlinson-Harashima precoding and scheduling for multiuser MIMO downlink with limited feedback,” IEEE Wireless Communications and Networking Conference (WCNC), Las Vegas, NV, April 2006.
  27. H. Zhang and H. Dai, “Delay constrained multiuser scheduling schemes based on upper-layer performance,” IEEE Wireless Communications and Networking Conference (WCNC), Las Vegas, NV, April 2006.
  28. H. Dai and Q. Zhou, “Asymptotic Analysis in MIMO Diversity Systems,” International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), HK, China, Dec. 2005.
  29. H. Dai, “The Impact of Shadow Fading on the Outage Capacity and Multiuser Scheduling Gain of MIMO Systems,” International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), HK, China, Dec. 2005.
  30. H. Zhang, H. Dai, Q. Zhou and B. L. Hughes, “On the Diversity Order of Transmit Antenna Selection for Spatial Multiplexing Systems,” 2005 IEEE Global Communications Conference (GLOBECOM), St. Louis, MO, Nov. 2005.
  31. Y. Zhang and H. Dai, “Energy-Based Transmission Strategy Selection for Wireless Sensor Networks,” 2005 IEEE Global Communications Conference (GLOBECOM), St. Louis, MO, Nov. 2005.
  32. W. Li and H. Dai, “Distributed Detection in large-Scale Sensor Networks with Correlated Sensor observations,” 2005 Allerton Conference on Communication, Control and Computing, Sept. 2005.
  33. H. Dai, “On the Duality between Outage Capacity and Multiuser Scheduling Gain for MIMO Systems and the Impact of Shadowing Fading,” 2005 Allerton Conference on Communication, Control and Computing, Sept. 2005.
  34. H. Zhang and H. Dai, “A Geometrical Analysis on Transmit Antenna Selection for Spatial Multiplexing Systems with Linear Receivers,” Proc. 2005 IEEE International Symposium on Information Theory (ISIT), Adelaide, Australia, Sept. 2005.
  35. V. Goel and H. Dai, “Turbo-BLAST with Semi-Blind Co-Channel Interference Cancellation in Multicell MIMO Systems,” Proc. 2005 Fall IEEE Conference on Vehicular Technology (VTC), Dallas, TX, Sept. 2005.
  36. W. Li and H. Dai, “Medium Access Control and Power Optimizations for Sensor Networks with Linear Receivers,” Proc. 2005 Conference on Information Sciences and Systems (CISS), The Johns Hopkins University, Baltimore, MD, March 2005.
  37. Y. Zhang and H. Dai, “Selecting Optimal Transmission Strategies for Cooperative Sensor Networks,” Proc. 2005 Conference on Information Sciences and Systems (CISS), The Johns Hopkins University, Baltimore, MD, March 2005.
  38. H. Zhang, H. Dai and Q. Zhou, “Base Station Cooperation for multiuser MIMO: Joint Transmission and BS Selection,” Proc. 2005 Conference on Information Sciences and Systems (CISS), The Johns Hopkins University, Baltimore, MD, March 2005.
  39. W. Li and H. Dai, “Throughput and Energy Efficiency of Sensor Networks with Multiuser Receivers and Spatial Diversity,” 2005 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Philadelphia, PA, Mar. 2005.
  40. P. Sudarshan, H. Dai, and B. L. Hughes, “Statistics-Based Antenna Selection for Multiple-Access MIMO Systems,” invited paper, 2004 Asilomar Conference on Signals, Systems, and Computers, PACIFIC GROVE, CA, Nov. 2004.
  41. H. Dai, L. Xiao and Q. Zhou, “Energy Efficiency of MIMO Transmission Strategies in Wireless Sensor Networks,” invited paper, 2004 International Conference on Computing, Communications and Control Technologies (CCCT), Austin, TX, Aug. 2004.
  42. W. Li and H. Dai, “EXIT Chart Analysis of Turbo-BLAST Receivers in Rayleigh Fading Channels,” 2004 Fall IEEE Conference on Vehicular Technology (VTC), Los Angels, CA, Sept. 2004.
  43. Q. Zhou and H. Dai, “Joint Antenna Selection and Link Adaptation for MIMO Systems,” 2004 Fall IEEE Conference on Vehicular Technology (VTC), Los Angels, CA, Sept. 2004.
  44. H. Zhang and H. Dai, “Fast Transmit Antenna Selection Algorithms for MIMO Systems with Fading Correlation,” 2004 Fall IEEE Conference on Vehicular Technology (VTC), Los Angels, CA, Sept. 2004.
  45. H. Zhang and H. Dai, “On the Capacity of Distributed MIMO Systems,” Proc. 2004 Conference on Information Sciences and Systems (CISS), Princeton University, Princeton, NJ, March 2004.
  46. Q. Zhou, H. Zhang and H. Dai, “Adaptive Spatial Multiplexing Techniques for Distributed MIMO Systems,” Proc. 2004 Conference on Information Sciences and Systems (CISS), Princeton University, Princeton, NJ, March 2004.
  47. H. Dai and H. V. Poor, “Large-System Spectral Efficiency of Interference-Limited MIMO Systems,” 2003 IEEE Global Communications Conference (GLOBECOM), San Francisco, CA, Dec. 2003. 
  48. H. Dai, L. Mailaender, and H. V. Poor, “CDMA Cellular Downlink Transmission with Transmit Arrays and Power Control: Circuit-Switched and Packet-Switched Systems,” Proc. 2003 IEEE International Conf. on Communications (ICC), Alaska, May 2003.
  49. H. Dai and H. V. Poor, “Iterative Multiuser Detection for DS-CDMA/MC-CDMA Powerline Communications,” Proc. 2003 Conference on Information Sciences and Systems (CISS), The Johns Hopkins University, Baltimore, MD, March 2003.
  50. H. Dai, A. F. Molisch, and H. V. Poor: "Downlink Multiuser Capacity of Interference-Limited MIMO Systems," Proc. 2002 IEEE 13th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Lisboa, Portugal, Sept. 2002.
  51. H. Dai and A. F. Molisch: "Multiuser Detection for Interference-Limited MIMO Systems," Proc. 2002 Spring IEEE Vehicular Technology Conf. (VTC), CDROM, Birmingham, AB, May 2002.
  52. H. Dai and H. V. Poor: "Sample-by-sample Adaptive Space-Time Processing for Multiuser Detection in Multipath CDMA Systems," Proc. 2001Fall IEEE Vehicular Technology Conf. (VTC), CDROM, Atlantic City, NJ, Oct. 2001.
  53. H. Dai and H. V. Poor: "Iterative Multiuser Detection and Decoding for DMT VDSL Systems," Proc. 2001 Conference on Information Sciences and Systems (CISS), The Johns Hopkins University, Baltimore, MA, March 2001.
  54. H. Dai and H. V. Poor: “Iterative Space-Time Processing for Multiuser Detection in CDMA Systems,” Proc. 2000 IEEE Sixth International Symposium on Spread Spectrum Techniques and Applications (ISSSTA), vol.2, pp. 343-347, Parsippany, NJ, Sept. 2000.
  55. H. Dai and L. Mailaender: “Performance Comparison of CDMA Downlink Transmission Techniques with Power Control,” Technical Memorandum, Bell Labs, Lucent Technologies, Sept. 2000.
  56. H. Dai and H. V. Poor: “On Crosstalk mitigation in DMT VDSL with Impulse Noise”, IEEE CAS-COM Workshop on High-Speed Data over Local Loops and Cable, Princeton University, Princeton, NJ, July 1999.
  57. H. Dai and Z. Cao: "A Joint Speech Coding-Enhancement Algorithm for MBE Vocoder," Proc. 1998 International Conference on Communication Technology (ICCT), vol.2, pp. S36-05-1-S36-05-4, Beijing, China, Oct. 1998.