Deji Chen

Visiting scholar in the Department of Computer Sciences from Emerson Process Management

Ph.D. in Computer Science, University of Texas at Austin (1999)
M.Sc. in Computer Science, University of Texas at Austin (1995)
M.Eng. in Computer Science and Engineering, Tongji University (1991)
B.S. in Computer Science and Engineering, Tongji University (1989)

Publications

  1. X. Zhu, T. Lin, S. Han, A. Mok, D. Chen, M. Nixon, and E. Rotvold, Measuring WirelessHART against Wired Fieldbus for Control. 10th IEEE International Conference on Industrial Informatics, 2012.
  2. X. Zhu, P.-C. Huang, S. Han, A. Mok, D. Chen, and M. Nixon, RoamingHART: A Collaborative Localization System on WirelessHART. Real-Time Technology and Applications Symposium, 2012.
  3. X. Zhu, S. Han, A. Mok, D. Chen, and M. Nixon, Hardware Challenges and Their Resolution in Advancing WirelessHART. 9th IEEE International Conference on Industrial Informatics, 2011.
  4. X. Zhu, S. Han, P.-C. Huang, A. K. Mok, and D. Chen, MBStar: A Real-time Communication Protocol for Wireless Body Area Networks. Euromicro Conference on Real-Time Systems, 2011.
  5. D. Chen, M. Nixon, T. Lin, S. Han, X. Zhu, A. K. Mok, R. Xu, J. Deng, and A. Liu, Over the Air Provisioning of Industrial Wireless Devices Using Elliptic Curve Cryptography. IEEE International Conference on Computer Science and Automation Engineering, 2011.
  6. S. Han, X. Zhu, A. K. Mok, D. Chen, and M. Nixon, Reliable and Real-time Communication in Industrial Wireless Mesh Networks. Real-Time Technology and Applications Symposium, 2011.
  7. S. Han, X. Zhu, A. K. Mok, M. Nixon, T. Blevins, and D. Chen, Control over WirelessHART Network, 36th Annual Conference of the IEEE Industrial Electronics Society, 2010.
  8. S. Han, X. Zhu, J. Song, A. K. Mok, D. Chen, M. Nixon, W. Pratt, and V. Gondhalekar, A Virtual Network Approach for Testing Wireless Mesh in Industrial Process Control, The 16th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications, 2010.
  9. D. Chen, M. Nixon, and A. Mok, WirelessHART - Real-Time Mesh Network for Industrial Automation, Springer, 2010.
  10. M. Xiong, S. Han, D. Chen, K.-Y. Lam, and S. Feng, DESH: Overhead Reduction Algorithms for Deferrable Scheduling, Real-Time Systems Journal, 2010.
  11. S. Han, D. Chen, M. Xiong and A. K. Mok, Online Scheduling Switch for Maintaining Data Freshness in Flexible Real-Time Systems, Real-Time Systems Symposium, 2009.
  12. X. Zhu, W. Dong, A. K. Mok, S. Han, J. Song, D. Chen, and M. Nixon, A Location-determination Application in WirelessHART, The 15th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications, 2009.
  13. S. Han, J. Song, X. Zhu, A. K. Mok, D. Chen, M. Nixon, W. Pratt, and V. Gondhalekar, Wi-HTest: Compliance Test Suite for Diagnosing Devices in Real-Time WirelessHART Network. Real-Time Technology and Applications Symposium, 2009.
  14. S. Han, J. Song, X. Zhu, A. K. Mok, D. Chen, M. Nixon, W. Pratt, and V Gondhalekar, Wi-HTest: Testing Suite for Diagnosing WirelessHART Devices and Networks, ACM SenSys 2008 Poster Session.
  15. J. Song, S. Han, X. Zhu, A. K. Mok, D. Chen, and M. Nixon, Demo of a Complete WirelessHART Network, ACM SenSys 2008 Demo Session.
  16. M. Nixon, D. Chen, T. Blevins, and A. K. Mok, Meeting Control Performance over a Wireless Mesh Network, IEEE CASE 2008.
  17. S. Han, D. Chen, M. Xiong, and A. K. Mok, A Schedulability Analysis of Deferrable Scheduling Using Patterns, Euromicro Conference on Real-Time Systems, 2008.
  18. M. Xiong, S. Han, K.-Y. Lam, and D. Chen, Deferrable Scheduling for Maintaining Real-Time Data Freshness: Algorithms, Analysis, and Results, IEEE Transactions on Computers, 57(7), July, 2008.
  19. J. Song, S. Han, A. K. Mok, D. Chen, M. Lucas, M. Nixon, and W. Pratt, WirelessHART: Applying Wireless Technology in Real-Time Industrial Process Control. Real-Time Technology and Applications Symposium, 2008.
  20. J. Song, S. Han, A. K. Mok, D. Chen, and M. Nixon, Centralized Control of Wireless Sensor Networks for Real-Time Applications, 7th IFAC International Conference on Fieldbuses and Networks in Industrial and Embedded Systems, 2007.
  21. J. Song, S. Han, A. K. Mok, D. Chen, and M. Nixon, A Study of Process Data Transmission Scheduling in Wireless Mesh Networks, ISA EXPO Technical Conference, 2007.
  22. J. Song, A. K. Mok, D. Chen, and M. Nixon, Optimizing Distributed Foundation Fieldbus Process Control with MSP.RTL Tool, 5th IEEE International Conference on Industrial Informatics, 2007.
  23. H. Woo, A. K. Mok, and D. Chen, Realizing the Potential of Monitoring Uncertain Event Streams in Real-Time Embedded Applications, Workshop on Event-based Semantics, 2007.
  24. J. Song, A. K. Mok, D. Chen, M. Nixon, T. Blevins, and W. Wojsznis, Improving PID Control with Unreliable Communications, ISA EXPO Technical Conference, 2006. (Received ISA 2007 Excellence in Documentation Award.)
  25. M. Xiong, S. Han, and D. Chen, Deferrable Scheduling for Temporal Consistency: Schedulability Analysis and Overhead Reduction, The 12th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications, 2006.
  26. J. Song, A. K. Mok, D. Chen, and M. Nixon, Using Real-Time Logic Synthesis Tool to Achieve Process Control over Wireless Sensor Networks, The 12th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications, 2006.
  27. J. Song, A. K. Mok, D. Chen, and M. Nixon, Challenges of Wireless Control in Process Industry, Workshop on Research Directions for Security and Networking in Critical Real-Time and Embedded Systems, 2006.
  28. M. Sheldon, D. Chen, M. Nixon, and A. K. Mok, A Practical Approach to Deploy Large Scale Wireless Sensor Networks, Workshop on Resource Provisioning and Management in Sensor Networks, 2005.
  29. D. Chen, M. Nixon, T. Aneweer, R. Shepard, T. Blevins, G. McMillan, and A. K. Mok, Similarity-based Traffic Reduction to Increase Battery Life in a Wireless Process Control Network, ISA EXPO Technical Conference, 2005.
  30. D. Chen, A. K. Mok, J. Yi, M, Nixon, T. Aneweer, and R. Shepard, Data Collection with Battery and Buffer Consideration in a Large Scale Sensor Network, International Conference on Embedded and Real-Time Computing Systems and Applications, 2005.
  31. M. Nixon, R. Shepard, A. K. Mok, B. Bennett, and D. Chen, Process Control Adopts Wireless, InTech Magazine, 52(2), 2005.
  32. D. Chen, M. Nixon, T. Aneweer, R. Shepard, K. Burr, and A. K. Mok, Wireless Process Control Products from ISA 2004, International Workshop on Wireless and Industrial Automation, 2005.
  33. D. Chen, M. Nixon, T. Aneweer, R. Shepard, and A. K. Mok, Middleware for Wireless Process Control Systems, Architectures for Cooperative Embedded Real-Time Systems Workshop, 2004.
  34. M. Nixon, R. Shepard, B. Bennett, D. Chen, and A. K. Mok, A Framework to Transmit Process Control Data over Commercial Wireless Networks, ISA EXPO Technical Conference, 2004.
  35. D. Chen and A. K. Mok, The Pinwheel: A Real-Time Scheduling Problem, Handbook of Scheduling: Algorithms, Models, and Performance Analysis, Joseph Y-T Leung (editor), Chapman Hall, CRC Press, 2004.
  36. D. Chen and A. K. Mok, Scheduling Similarity-Constrained Real-Time Tasks, International Conference on Embedded Systems and Applications, 2004.
  37. D. Chen, A. K. Mok, M. Nixon, and R. Shepard, Real-Time Tasks with Data Output, Real-Time Technology and Applications Symposium, 2004.
  38. D. Chen, M. Nixon, R. Shepard, and A. K. Mok, The Effect of Limited Network Bandwidth on Data Buffering for Real-Time Tasks, IEEE Workshop on Constraint-Aware Embedded Software, 2003.
  39. D. Chen, A. K. Mok, and T.-W. Kuo, Utilization Bound Re-visited, IEEE Transactions on Computers, 2003.
  40. D. Chen and A. K. Mok, Developing New Generation of Process Control Systems, IEEE Real-Time Embedded System Workshop, 2001.
  41. A. K. Mok, X. Feng, and D. Chen, Resource Partition for Real-Time Systems, Real-Time Technology and Applications Symposium, 2001.
  42. D. Chen, A. K. Mok, and S. K. Baruah, Scheduling Distributed Real-Time Tasks in the DGMF Model, Real-Time Technology and Applications Symposium, 2000.
  43. D. Chen, A. K. Mok, and T.-W. Kuo, Utilization Bound Re-visited, The 6th International Conference on Real-Time Computing Systems and Applications, 1999.
  44. D. Chen, Real-Time Data Management in the Distributed Environment, Ph.D thesis, the University of Texas at Austin, 1999.
  45. D. Chen and A. K. Mok, SRDE -- Application of Data Similarity to Process Control, Real-Time Systems Symposium, 1999.
  46. D. Chen, A. K. Mok, and M. Nixon, Providing Real-time Support through Component Object Model, Microprocessors and Microsystems, 23(3), 1999.
  47. D. Chen, A. K. Mok, and M. Nixon, Real-Time Support in COM, 32th Hawaii Conference on System Sciences, 1999.
  48. S. K. Baruah, D. Chen, and A. K. Mok, Static-priority Scheduling of Multiframe Tasks, Euromicro Conference on Real-Time Systems, 1999.
  49. S. K. Baruah, D. Chen, S. Gorinsky, and A. K. Mok, Generalized Multiframe Tasks, Real-Time Systems Journal, 1999.
  50. D. Chen and A. K. Mok, Design of a Real-Time SQL Engine in the Distributed Environment, Lecture Notes in Computer Science, v(1553), 1998.
  51. S. K. Baruah, D. Chen, and A. K. Mok, Jitter Concerns in Periodic Task Systems, Real-Time Systems Symposium, 1997.
  52. D. Chen, A. K. Mok, and S. K. Baruah, On Modeling Real-Time Task Systems, Lecture Notes in Computer Science - Lectures on Embedded Systems, v(1494), 1997.
  53. A. K. Mok, D. Chen, and G. Liu, Semantics and Resource Management of Real-Time Database Systems, the Second International Workshop on Active, Real-time, and Temporal Database Systems, 1997.
  54. A. K. Mok and D. Chen, A Multiframe Model for Real-Time Tasks, IEEE Transactions on Software Engineering, 1997.
  55. A. K. Mok and D. Chen, A Multiframe Model for Real-Time Tasks, Real-Time Systems Symposium, 1996.

Prepared for Publication

  1. D. Chen, A. K. Mok, M. Nixon, and R. Shepard, Real-Time Tasks with Data Output.
  2. D. Chen, A. K. Mok, and X. Feng, Delay Analysis of Periodic Tasks.
  3. S. Han, M. Sheldon, D. Chen, M. Nixon, and A. K. Mok, A Practical Approach to Deploy Large Scale Wireless Sensor Networks,

Publications from UT Real-Time Systems Lab

  1. D. Stuart, Formal Methods for Real-time Systems, Ph.D thesis, the University of Texas at Austin, 1996.
  2. X. Feng, Design of Real-Time Virtual Resource Architecture for Large-Scale Embedded Systems, Ph.D thesis, the University of Texas at Austin, 2004.

US Patents

  1. 7,945,339: T. Blevins, D. Chen, M. Nixon, and G. McMillan, Non-periodic control communications in wireless and other process control systems, 2011.
  2. 7,822,802: D. Chen, S. Yang, M. Nixon, T. Aneweer, J. R. Shepard, and A. K. Mok, Apparatus and method for merging wireless data into an established process control system, 2010.
  3. 7,640,007: D. Chen, M. Nixon, K, Burr, and N. Peterson, Wireless handheld communicator in a process control environment, 2009.
  4. 7,620,460: T. Blevins, D. Chen, M. Nixon, and G. McMillan, Process control with unreliable communications, 2009.
  5. 7,587,252: T. Blevins, D. Chen, M. Nixon, and G. McMillan, Non-periodic control communications in wireless and other process control systems, 2009.
  6. 6,947,389: D. Chen, S. Bonwell, D. Christensen, D. DelGuzzi, N. Peterson, and R. Ramachandran, Two-mode foundation fieldbus device configurator, 2005.
cdj@cs.utexas.edu