Xiao Gaoxi
Associate Professor of
Electrical and Electronic Engineering,
Division of Communication Engineering

Contacts

Academic Qualifications

  • BSc (Hon), Dept. Applied Math., Xidian University, Xi'an, China, July 1991
  • MPhil, Dept. Applied Math., Xidian University, Xi'an, China, Apr. 1994
  • PhD, Dept. Computing, Hong Kong Polytechnic University, Dec. 1998

Working Experiences

  • Mar. 2008-present: NTU, Singapore, associate professor
  • Oct. 2001-Mar. 2008: NTU, Singapore, assistant professor
  • Nov. 1999-Oct. 2001: UT Dallas, Richardson, TX, USA, visiting scientist
  • Apr. 1999-Nov. 1999: Poly U, Brooklyn, NY, USA, postdoctoral research fellow
  • Oct. 1995-Dec. 1998: HKPU, Kowloon, HK, research/teaching assistant
  • Apr. 1994-Oct. 1995: Xidian Univ., Xi'an, China, assistant lecturer

Teaching Duties

  • FE1007 -  Mathematics II
  • EE4110 -  Optical Communication System Design
  • EE6713 -  Network Design and Simulation

Administration Duties

  • 01/09/2008-30/06/2011: Assistant Head of Division, Division of Communication Engineering, School of EEE, NTU

Research Interests

  • Complex systems
  • Optical and wireless networks
  • Internet technologies

Funded Research Projects

  • 100Tb/s Multicast-Capable Optical Packet Router, A*STAR Science and Engineering Research Council (SERC), 2007-10, co-PI.
  • Individual-Based Modeling on the Spread of Infectious Diseases in Singapore, A*STAR Biomedical Research Council (BMRC), 2007-9, NTU-PI.
  • Test-Bed and Demonstration of Mobile Ad Hoc Network, DSO, 2006-11, co-PI.
  • Development of Algorithms in Distributed Complex Networks, NTU-RGM, 2006-8, PI.
  • Algorithms for Setting up Efficient and Robust Connections in Distributed Complex Networks, Microsoft Research Asia, 2006-7, PI.
  • Multiprotocol Lambda Switching for Optical Network, A*STAR, 2001-3, collaborator, completed.

Selected Publications

Book Chapters

  1. G. Xiao and Y. W. Leung, "Allocation of Wavelength Converters in All-Optical Networks," in "Advances in Optical Networks," edited by D.-Z. Du and L. Ruan, pp. 299-345, Kluwer Academic Publishers, 2001.

Journal Publications

  1. Y. Wang, G. Xiao, J. Hu, T. H. Cheng, and L. Wang, “Imperfect Targeted Immunization in Scale-Free Networks,” Physica A, vol. 388, no. 12, pp. 2535-2546, 15 June 2009.

  2. J. Liu, G. Xiao, and W. Wang, "On the Performance of Distributed Lightpah Provisioning with Dynamic Routing and Wavelength Assignment", Photonic Network Communications, vol. 17, no. 3, pp. 191-201, June 2009.

  3. J. Liu, et al., “Stimulate Brillouin Scattering Based Broadband Tunable Slow-Light Conversion in a Highly Nonlinear Photonic Crystal Fiber,” IEEE/OSA Journal of Lightwave Technology, vol. 27, no. 10, pp. 1279-1285, May 2009.

  4. J. Liu and G. Xiao, "Efficient Wavelength Assignment Schemes for Distributed Lightpath Restorations in WDM Networks," IEEE/OSA Journal of Lightwave Technology , vol. 27, no. 7, pp. 833-840, Apr. 2009.

  5. J. Liu, et al., “Pump-Suppressed Nondegenerate Four-Wave Mixing in a Highly Nonlinear Photonic Crystal Fiber Sagnac Loop,” IEEE Photonic Technology Letters, vol. 20, no. 20, pp. 2129-2131, Dec. 2008.

  6. S. Xiao, G. Xiao, and T. H. Cheng, "Tolerance of Intentional Attacks in Complex Communications Networks," IEEE Communications Magazine, vol. 46, no. 1, pp. 146-152, Jan. 2008.

  7. J. Liu, G. Xiao, K. Lu, and I. Chlamtac, "An Evaluation of Distributed Parallel Reservations in Wavelength-Routed Networks," IEEE Journal on Selected Areas in Communications - Supplement on Optical Communications and Networking, vol. 25, no. 9, pp. 27-39, Dec. 2007.

  8. Y. Li, G. Xiao, and H. Ghafouri-Shiraz, "On Traffic Allocations in Optical Packet Switches," IEEE Journal on Selected Areas in Communications - Supplement on Optical Communications and Networking, vol. 25, no. 9, pp. 108-117, Dec. 2007.

  9. Y. Li, G. Xiao, and H. Ghafouri-Shiraz, "On the Performance of Different Node Configurations in Multi-Fiber Optical Packet-Switched Networks," Photonic Network Communications, vol. 14, no. 1, pp. 11-22, Aug. 2007.

  10. Y. Li, G. Xiao, and H. Ghafouri-Shiraz, "Performance Evaluation of Multifiber Optical Packet Switches," Computer Networks (Elsevier), Vol. 51, No. 4, pp. 995-1012, Mar. 2007.

  11. Q. Zhang, J. Sun, G. Xiao, and E. Tsang, "Evolutionary Algorithms Refining A Heuristic: Hyper-Heuristic for Shared-Path Protections in WDM Networks under SRLG Constraints," IEEE Transactions on Systems, Man and Cybernetics, Part B, Vol. 37, No. 1, pp. 51-61, Feb. 2007.

  12. S. Xiao, G. Xiao, and Y.-W. Leung, "A Network Flow Approach for Static and Dynamic Traffic Grooming in WDM Networks," Computer Networks (Elsevier), Vol. 50, No. 17, pp. 3400-3415, Dec. 2006.

  13. X. Shao, G. Xiao, L. Zhou, X. Cheng, and Y. Wang, "Hybrid Protection in WDM optical networks with Shared Risk Link Groups," Photonic Network Communications, Vol. 12, No. 3, pp. 295-307, Dec. 2006.

  14. S. Shen, G. Xiao, and T.-H. Cheng, "Benefits of Advertising Wavelength Availability in Distributed Lightpath Establishment," Computer Networks (Elsevier), Vol. 50, No. 13, pp. 2364-2379, Sept. 2006.

  15. Y. Li, G. Xiao, and H. Ghafouri-Shiraz, "A New Contention Resolution Scheme for Time-Critical Applications in Multi-Fiber Optical Packet-Switched Networks," Microwave and Optical Technology Letters, Vol. 48, No. 4, pp. 717-719, Apr. 2006.

  16. S. Shen, G. Xiao, and T.-H. Cheng, "A Novel Method of Link-State Update in Wavelength-Routed Networks," IEEE/OSA Journal of Lightwave Technology, Vol. 24, No. 3, pp. 1112-1120, Mar. 2006.

  17. X. Pan and G. Xiao, "Heuristics for Diverse Routing in Wavelength-Routed Networks with Shared Risk Link Groups," Photonic Network Communications, Vol. 11, No. 1, pp. 29-38, Jan. 2006.

  18. K. Lu, G. Xiao, and I. Chlamtac, "Analysis of Blocking Probability for Distributed Lightpath Establishment in WDM Optical Networks," IEEE/ACM Transactions on Networking, Vol. 13, No. 1, pp. 187-197, Feb. 2005.

  19. Y. Li, G. Xiao, and H. Ghafouri-Shiraz, "On the Benefits of Multifiber Optical Packet Switch," Microwave and Optical Technology Letters, Vol. 43, No. 5, pp. 376-378, Dec. 2004.

  20. G. Xiao, K. Lu, and I. Chlamtac, "An Evaluation of Distributed Wavelength Provisioning in WDM Optical Networks with Sparse Wavelength Conversion," IEEE/OSA Journal of Lightwave Technology, Vol. 22. No. 7, pp. 1668-1678, July 2004.

  21. Y. Li, G. Xiao, and H. Ghafouri-Shiraz, "Fixed Wavelength Conversion for Contention Resolution in Optical Packet Switches," Microwave and Optical Technology Letters, Vol. 41, No. 3, pp. 185-187, May 2004.

  22. G. Xiao and X. Pan, "Heuristic for the Maximum Disjoint Paths Problem in Wavelength-Routed Networks with Shared Risk Link Groups," OSA Journal of Optical Networking, Vol. 3, No. 1, pp. 38-49, Jan. 2004.

  23. K. Lu, J. P. Jue, G. Xiao, I. Chlamtac, and T. Ozugur, "Intermediate-Node Initiated Reservation (IIR): A New Signaling Scheme for Wavelength-Routed Networks," IEEE Journal on Selected Areas in Communications, Vol. 21, No. 8, pp. 1285-1294, Oct. 2003.

  24. Y. W. Leung, G. Xiao, and K. W. Hung, "Design of Node Configuration for All-Optical Multi-fiber Networks," IEEE Transactions on Communications, Vol. 50, No. 1, pp. 135-145, Jan. 2002.

  25. G. Xiao, Y. W. Leung, and K. W. Hung, "Two-Stage Cut Saturation Algorithm for Designing All-Optical Networks," IEEE Transactions on Communications, Vol. 49, No. 6, pp. 1102-1115, June 2001.

  26. G. Xiao and Y. W. Leung, "Algorithms for Allocating Wavelength Converters in All-Optical Networks," IEEE /ACM Transactions on Networking. Vol. 7, No. 4, pp. 545-557, Aug. 1999.

  27. G. Xiao and Y. W. Leung, "Cost-Effective WDM Broadcast-and-Select Networks for All-to-All Transmission Schedules," Journal of Systems Architecture, Vol. 45, No. 2, pp.115-129, Sep. 1998.

Conference Publications

  1. X. Yu, G. Xiao, and T.-H. Cheng, “Historical Data Learning Based Dynamic LSP Routing for Overlay IP over WDM Networks,” Proc. ICICS’2009, Dec. 2009

  2. Y. Wang and G. Xiao, “The Spread of Interacting Agents in Scale-Free Networks,” Proc. ICICS’2009, Dec. 2009.

  3. W. Hu and G. Xiao, “Design of Congestion Control Based on Instantaneous Queue Sizes in the Routers,” Proc. IEEE Globecom’2009, Dec. 2009.

  4. T. Zhang et al., “HPCgen – A Fast Generator of Contact Networks of Large Urban Cities for Epidemiological Studies,” Proc. CSSim’2009, Sept. 2009.

  5. X. Zhang, Y. Gong, and G. Xiao, “MMSE Multiuser Detection for Regenerative Cooperative Relaying in DS-CDMA Systems”, Proc. IEEE VTC’2009 Spring, Apr. 2009.

  6. X. Fu, S. Lim, L. Wang, G. Lee, S. Ma, L. Wong, and G. Xiao, “Key Node Selection for Containing Infectious Disease Spread Using Particle Swarm Optimization,” Proc. IEEE SIS’2009, Mar.-Apr. 2009.

  7. Y. Wang, J. Hu, G. Xiao, L. Wong, S. Ma, and T. H. Cheng, "A Preliminary Study on the Effects of Fear Factors in Disease Propagation,", Proc. ICST COMPLEX'2009, Feb. 2009.

  8. G. Singh, R. Gupta, and G. Xiao, "Energy-Efficient Clustering for Ad-Hoc Transmission in Wireless Sensor Networks," Proc. ICAIT'2008 , July 2008.

  9. Y. Wang, G. Xiao, T. H. Cheng, S. Xiao, and X. Fu, "Robustness of Complex Communication Networks under Link Attacks," Proc. ICAIT'2008, July 2008.

  10. J. Liu, et al., "Broad-Band Tunable Four Wave Mixing Based Wavelength Converter with Filterless Pump Suppression, " Proc. OECC/ACOFT'2008, July 2008.

  11. Z. Li, G. Xiao, Y. Zhang, W. Gu, and S. Liang, "Modeling of Distortion for Arbitrary Packet Loss Patterns in Video Transmission," Proc. IEEE ICIEA'08, June 2008.

  12. X. Fu, W. J. I. Teo, H. Soh, G. Xiao, and G. Lee, "Simulating Avian Influenza Spread over Singapore Clinic Networks," Proc. X International Symposium on Respiratory Viral Infections, Feb.-Mar. 2008.

  13. S. Xiao and G. Xiao, "On Local Link Repairing in Complex Communication Networks under Intentional Attack," Proc. ICICS'2007, Dec. 2007.

  14. J. Liu and G. Xiao, "An Efficient Wavelength Assignment Method for Distributed Lightpath Restoration in Wavelength-Routed Networks," Proc. ICICS'2007, Dec. 2007.

  15. T. Zhang, K. Lu, G. Xiao, and S.-Q. Zheng, "Design Principles and Formulation for Optical SMART Networks," Proc. IEEE MILCOM'2007, Oct. 2007.

  16. S. Xiao and G. Xiao, "On Intentional Attacks and Protections in Complex Communication Networks," Proc. IEEE Globecom'2006, Nov.-Dec. 2006. (Also available at http://arxiv.org/abs/cs.NI/0609077).

  17. S. Xiao, G. Xiao, and T. H. Cheng, "Robustness of Complex Communication Networks under Rewiring Operations," Proc. IEEE ICCS'2006, Oct.-Nov. 2006.

  18. G. Singh and G. Xiao, "Algorithms for Energy-Efficient Clustering in Wireless Sensor Networks," Proc. IEEE ICCS'2006, Oct.-Nov. 2006.

  19. S. Shen, G. Xiao, and T. H. Cheng, "The Performance of Periodic Link-State Update in Wavelength-Routed Networks," Proc. IEEE BroadNets'2006, Oct. 2006.

  20. S. Xiao and G. Xiao, "On Degree-Based Decentralized Search in Complex Networks," Proc. European Conference on Complex Systems 2006 (ECCS'06), Sept. 2006. (A longer version is available at http://arxiv.org/abs/cs.PF/0610173).

  21. X. Shao, G. Xiao, L. Zhou, X. Cheng, and Y. Wang, "Hybrid Protection in WDM Networks with Shared Risk Link Groups," Proc. ECOC'2005, Vol. 2, pp. 277-278, Sept. 2005.

  22. S. Shen, G. Xiao, and T. H. Cheng, "Benefits of Advertising Wavelength Availability in Distributed Lightpath Establishment," Proc. IEEE ICC'2005, pp. ON10.1.1 - ON10.1.5, May 2005.

  23. K. Lu, G. Xiao, J. P. Jue, T. Zhang, S. Yuan, and I. Chlamtac, "Blocking Analysis of Multifiber Wavelength-Routed Networks," Proc. IEEE Globecom'2004, Vol. 3, pp. 1958-1962, Nov.- Dec. 2004.

  24. S. Shen, G. Xiao, and T. H. Cheng, "Evaluating Link-State Update Triggers in Wavelength-Routed Networks," Proc. SPIE APOC'2004 (Published as Proc. SPIE, Vol. 5626, S. J. Ben Yoo, G.-K. Chang, G. Li, K.-W. Cheung, Eds., Feb. 2005), pp. 244-248, Nov. 2004.

  25. X. Pan and G. Xiao, "Algorithms for the Diverse Routing Problem in WDM Networks with Shared Risk Link Groups," Proc. IEEE ICCS'2004, pp. 381-385, Sept. 2004.

  26. S. Shen, G. Xiao, and T. H. Cheng, "Evaluating the Impact of the Link-State Update Period on the Blocking Performance of Wavelength-Routed Networks," Proc. OFC'2004 pp. ThG6.1-3, Feb. 2004.

  27. K. Lu, J. P. Jue, G. Xiao, I. Chlamtac, and T. Ozugur, "A Distributed Signaling Scheme for Provisioning Dynamic Traffic in Wavelength-Routed Networks," Proc. SPIE Opticomm'2003 (Published as Proc. SPIE, Vol. 5285, A. K. Somani, Z. Zhang, Eds., Oct. 2003), pp.151-162, Oct. 2003.

  28. G. Xiao and J. Liu, "Multi-Path Parallel Reservation Scheme for Distributed Lightpath Establishment in Wavelength-Routed WDM Networks," Proc. ECOC'2003, Vol. 3, pp. 842-843, Sept. 2003.

  29. K. Lu, J. P. Jue, T. Ozugur, G. Xiao, and I. Chlamtac, "Intermediate-Node Initiated Reservation (IIR): A New Signaling Approach for Wavelength-Routed Networks with Sparse Conversion," Proc. IEEE ICC'2003, Vol. 2, pp. 1386-1390, May 2003.

  30. K. Lu, G. Xiao, and I. Chlamtac, "Behavior of Distributed Wavelength Provisioning in Wavelength-Routed Networks with Partial Wavelength Conversion," Proc. IEEE Infocom'2003, Vol. 3, pp. 1816-1825, Mar. 30-Apr. 3, 2003.

  31. K. Lu, G. Xiao, and I. Chlamtac, "Blocking Analysis for Dynamic Lightpath Establishment in Wavelength-Routed Networks," Proc. IEEE ICC'2002, pp.2912-2916, Apr. 2002.

  32. J. P. Jue and G. Xiao, "Analysis of Blocking Probability for Connection Management Schemes in Optical Networks," Proc. IEEE Globecom'2001, Vol. 3, pp. 1546-1550, Nov. 2001.

  33. J. P. Jue and G. Xiao, "An Adaptive Routing Algorithm for Wavelength-Routed Optical Networks with a Distributed Control Scheme," Proc. IEEE ICCCN'2000, pp.192-197, Oct. 2000.

  34. D. Montgomery and G. Xiao "CAD Design in Optical Networks: A Case Study," Proc. Optical Network Workshop, Jan. 2000.

Regional Journal Publications

  1. Y. C. Jiao, G. Xiao, L. Huang, and Y. Hao, "Quantitative Analysis of Linearly Graded p-n Junctions by the Inverse Operator Method," Acta Electron. Sinica, Vol. 24, No. 8, pp. 118-121, Aug. 1996 (in Chinese).

  2. Y. C. Jiao, G. Xiao, L. Huang, and N. Mao, "Low Sidelobe Control of the Space Scanned Axial Dipole Arrays on Cylindrical Surfaces," Acta Electron. Sinica, Vol. 24, No. 6, pp. 77-81, June 1996 (in Chinese).

  3. Q. Zhang, G. Xiao, and K. Chen, "A New Polynomial-Time Algorithm for Linear Programming," Acta Math. Appl. Sinica, Vol. 19, No. 1, pp. 33-39, Jan. 1996 (in Chinese).

My Students

Graduated Students

  • Dr. SHEN, Shu (Apr. 2006): Link-State Update in Wavelength-Routed Networks.
  • Dr. LI, Yi (May 2007): Contention Resolutions in Optical Packet Switches.
  • Dr. LIU, Jian (May 2009): Distributed Wavelength Provisioning in WDM Optical Networks.

PhD Candidates

  • Ms. XIAO, Shi
  • Mr. WANG, Yubo
  • Mr. HU, Wuhua
  • Mr. LI, Yihui

Professional Activities

Local Activities:

Founding General Chair:

Technical Program Co-Chair:

  • ICAIT'2008

Publicity Chair:

  • ICICS'2007
  • IEEE BroadNets'2004
  • SPIE OptiComm'2000,

Publication Chair:

  • ICICS-PCM'2003

Financial Chair:

  • ICICS'2009

Technical Program Committee (TPC) Member:

  • IEEE ICC'2007-10
  • IEEE Globecom'2008-09
  • IEEE WiMob'2008-09
  • IEEE ICOCN'2008-09
  • ICISA'2010
  • IEEE TIC-STH'2009
  • ICST AccessNet'09
  • ICST CHINACOM'2008
  • IEEE/IFIP WOCN'2007
  • IEEE ICCS'2006
  • IEEE ICCCAS'2002, 2006
  • IEEE CIS (computational intelligence and security)'2005
  • SPIE Opticomm'2000, 2003

Session Chair:

  • ICICS'2007
  • IEEE ICCS'2006

Guest Co-Editor:

  • SPIE/Baltzer Optical Network Magazine: Special Issue on "Protocols and Technologies for IP Networking", 2001.

International Journal Reviewer:

  • IEEE/ACM Transactions on Networking
  • IEEE Transactions on Computers
  • IEEE Transactions on Communications
  • IEEE Transactions on Systems, Man and Cybernetics: Part B
  • IEEE Journal on Selected Areas in Communications
  • IEEE/OSA Journal on Lightwave Technology
  • IEEE/OSA Journal of Optical Communications and Networking
  • IEEE Photonics Technology Letters
  • IEEE Communication Letters
  • IEEE Communications Magazine
  • IEEE Wireless Communications Magazine
  • IEEE Security & Privacy
  • IEICE Transactions on Information and Systems
  • Optics Express (OSA)
  • Computer Networks (Elsevier)
  • Computers & Operations Research (Elsevier)
  • Soft Computing (Elsevier)
  • Photonic Network Communications (Springer)
  • International Journal of Communication Systems (Wiley)
  • Optics and Photonics Letters (World Scientific)
  • International Journal of Systems Science (Taylor & Francis)
  • Intelligent Automation & Soft Computing (Autosoft)
  • International Journal of Information Technology (ISTA)
  • Far East Journal of Electronics and Communications (Pushpa)
  • SPIE/Baltzer Optical Networks Magazine

International Conference Reviewer

  • IEEE ICC, Globecom, Infocom, WCNC, ICCCN, WiMob, IPCCC, WTS, WOCN, ICCS, ICOCN, ICCCAS, PDCAT, etc.
  • ICST Complex, ChinaCom, OptiComm,, etc.

Society Memberships

Supplement Research Documents

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