Biography

Tsung-Hui Chang received the B.S. degree in electrical engineering and the Ph.D. degree in communications engineering from the National Tsing Hua University (NTHU), Hsinchu, Taiwan, in 2003 and 2008, respectively. From 2012 to 2015, he was an Assistant Professor with the Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology (NTUST), Taipei, Taiwan. In August 2015, Dr. Chang joined the School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, China, as an Assistant Professor, and since August 2018, as an Associate Professor. Prior to being a faculty member, Dr. Chang held research positions with NTHU, from 2008 to 2011, and the University of California, Davis, CA, USA, from 2011 to 2012. During his PhD study, Dr. Chang was a visiting student and research assistant in the University of Minnesota, Minneapolis, MN, USA. His research interests include signal processing and optimization problems in data communications, machine learning and big data analysis.

Dr. Chang received the Young Scholar Research Award of NTUST in 2014, IEEE ComSoc Asian-Pacific Outstanding Young Researcher Award in 2015, and the IEEE Signal Processing Society Best Paper Award in 2018. During 2015 and 2018, he served as an Associate Editor of IEEE TRANSACTIONS ON SIGNAL PROCESSING and IEEE TRANSACTIONS ON SIGNAL AND INFORMATION PROCESSING OVER NETWORKS.


Research

General research interests are the applications of signal processing and optimization theories to data communications, machine learning and big data analysis.

My Google Scholar profile

Selected Publications

(1)Distributed Optimization Methods

1. M. Hong and T. -H. Chang, “ Stochastic Proximal Gradient Consensus Over Random Networks," IEEE Trans. Signal Process., vol. 65, no. 11, pp. 2933-2948, June 2017. 

2. T.-H. Chang," A proximal dual consensus ADMM method for multi-agent constrained optimization ", IEEE Trans. Signal Process., vol. 64, no. 14, pp. 3719-3734, July 2016.

3. T.-H. Chang, W.-C. Liao, M. Hong and X. Wang," Asynchronous Distributed ADMM for Large-Scale Optimization PartII: Linear Convergence Analysis and Numerical Performance ", IEEE Trans. Signal Process., vol. 64, no. 12, pp. 3131-3144, June 2016.

4. T.-H. Chang, M. Hong, W.-C. Liao and X. Wang," Asynchronous Distributed ADMM for Large-Scale Optimization- Part I: Algorithm and Convergence Analysis,” IEEE Trans. Signal Process., vol. 64, no. 12, pp. 3118-3130, June 2016.

5. T.-H. Chang, M. Hong and X. Wang," Multi-agent distributed optimization via inexact consensus ADMM ”, IEEE Trans. Signal Process., vol. 63, no. 2, pp. 482-497, Jan. 2015.

6. T.-H. Chang, A. Nedich, and A. Scaglione," Distributed constrained optimization by consensus-based primal-dual perturbation method ”, IEEE Trans. Automatic Control, vol. 59, no. 6, pp. 1524-1538, June 2014.

(2)Transmit Beamforming Optimization

1. T.-H. Chang, Y.-F. Liu and S.-C. Lin, “ QoS-Based Linear Transceiver Optimization for Full Duplex Multi-User Communications,” IEEE Trans. Signal Process., vol. 66, no. 9, pp. 2300-2313, May. 2018. 

2. K.-Y. Wang, A. M.-C. So, T.-H. Chang, W.-K. Ma and C.-Y. Chi," Outage constrained robust transmit optimization for multiuser MISO downlinks: Tractable approximations by conic optimization ", IEEE Trans. Signal Process., vol. 62, no. 21, pp. 5690-5705, Nov. 2014. (2018 IEEE SPS Best Paper Award, ESI Highly Cited Paper)

3. W.-C.Li, T.-H. Chang, Che Lin and C.-Y.Chi," Coordinated beamforming for multiuser MISO interference channel under rate outage constraints ", IEEE Trans. Signal Process., vol. 61, no. 5, pp. 1087-1103, March 2013.

4. C. Shen, T. -H. Chang, K. -Y. Wang, Zhengding Qiu and C. -Y. Chi, " Distributed robust multicell coordinated beamforming with imperfect CSI: An ADMM approach," IEEE Trans. Signal Process. , vol. 60. no. 6, pp. 2988-3003, June 2012.

5. T.-H. Chang, Z.-Q. Luo and C.-Y. Chi," Approximation bounds for semidefinite relaxation of Max-Min-Fair multicast transmit beamforming problem ", IEEE Trans. Signal Process., vol. 56, no. 8, pp. 3932-3943, August 2008.

(3)Physical-Layer Security

1. W.-C. Liao, T.-H. Chang, W.-K. Ma, and C.-Y. Chi," QoS-based transmit beamforming in the presence of eavesdroppers: Anoptimized artificial-noise-aided approach ", IEEETrans. Signal Process., vol. 59, no. 3, pp. 1202-1216, March 2011.  (ESI Highly Cited Paper)

2. T.-H. Chang, W.-C. Chiang, Y.-W. Peter Hong, and C.-Y. Chi," Training sequence design for discriminatory channel estimation in wireless MIMO systems ", IEEE Trans. Signal Process., vol. 58, no. 12, pp. 6223-6237, Dec. 2010.

(4)Smart Grid Control

1. S.-C. Tsai, Y.-H. Tseng and T.-H. Chang, " Communication-efficient distributed demand response: A randomized ADMM approach,” IEEE Trans. Smart Grid, vol. 8, no. 3, pp. 10851095, May 2017.

2. T.-H. Chang, M. Alizadeh, and A. Scaglione," Real-time power balancing via decentralized coordinated home energy scheduling ", IEEE Trans. Smart Grid, vol. 4, no. 3, pp. 1490-1504, Sept. 2013.




Academic Publications

Book Chapters

5. W. -S. Lai, T.-H. Chang, T.-S. Lee and K.- H. Yeh, " Dynamic Enhanced Inter-cell Interference Coordination Strategy with Quality of Service Guarantees for Heterogeneous Networks," Chapter 6 in Backhauling/Fronthauling for Future Wireless Systems, Editors: Kazi Mohammed, Saidul Huq and Jonathan Rodriquez, Wiley, 2016.

4. W. -S . Lai, T.-H. Chang and T.-S. Lee, " Distributed Dynamic Resource Allocation for OFDMA -Based Cognitive Small Cell Networks Using a Regret-Matching Game Approach," Chapter 9 in Game Theory Framework Applied to Wireless Communication Networks, Editors: Chunguang Yang and Jiandong Li, Publisher, IGI Global, 2015.

3. Y. -W. Peter Hong and T. -H. Chang, " Discriminatory Channel Estimation for Secure Wireless Communication," in Physical Layer Security in Wireless Communications, Editors: Sean Zhou, LingyangSong, and Yan Zhang, Publisher: Auerbach Publications, CRC Press, Taylor & Francis Group, 2013.

2. Yin Sun, X. Zhong, T. -H. Chang, S. Zhou, J. Wang, and C.- Y. Chi, " Spectrum Sharing Between Dynamic Ad-Hoc and Cooperative Relay Networks," Chapter 15 in Dynamic Ad-hoc Networks, Edited by Habib. F. Rashvand and Han-Chieh Chao, Institution of Engineering and Technology (IET), 2013.

1. Z. -Q. Luo and T.-H. Chang, " SDP relaxation of homogeneous quadratic optimization: Approximation bounds and applications," Chapter 4 (pp. 117-165) in Convex Optimization in Signal Processing and Communications, Edited by D. P. Palomar and Y. Eldar, Cambridge, UK: Cambridge University Press, April 2010.


Journal Paper

51. S. Wang, T. -H. Chang, Y. Cui and J.-S. Pang, "Clustering by orthogonal NMF and non-convex penalty optimization,submitted for publication.

50. K.-M. Chen, T.-H. Chang, K.-C. Wang and T.-S. Lee, "Machine learning based automatic diagnosis in mobile communication networks," accetped by IEEE Trans. Vehicular Tech., 2019 

49.  L. Li, T.-H. Chang and S. Cai, "UAV Positioning and Power Control for Two-Way Wireless Relaying," submitted for publication.

48. Q. Shi, M. Hong, X. Fu and T.-H. Chang, "Penalty Dual Decomposition Method For Nonsmooth Nonconvex Optimization: Part II," submitted for publication.

47. C. Shen, T.-H. Chang, J. Gong, Y. Zeng and R. Zhang," Multi-UAV Interference Coordiation via Joint Trajectory and Power Control," submitted for publication.

46. Yanqing Xu, Chao Shen, T. -H. Chang, Shih-Chun Lin, Yajun Zhao, Gang Zhu, “ On Energy-Efficient NOMA Designs for Heterogeneous Low-Latency Downlink Transmissions," submitted for publication.

45. Xiaozhou Zhang, T. -H. Chang, Ya-Feng Liu, Chao Shen and Gan Zhu, “ Max-Min Fairness User Scheduling and Power Allocation in Full-Duplex OFDMA Systems," IEEE Trans. Wireless Commun., vol. 18, no. 6, pp. 3078-3092, June 2019

44. M. Hong, T. -H. Chang, X. Wang, M. Razaviyayn, S. Ma and Z. -Q. Luo, “ A Block Successive Upper Bound Minimization Method of Multipliers for Linearly Constrained Convex Optimization," accepted by Mathematics of Operations Research  

43. Ying Cui, T. -H. Chang, Mingyi Hong and Jong-Shi Pang, “ A Study of Piecewise LinearQuadratic Programs," submitted for publication.

42. Jianhua Tang, Tony Q. S. Quek, T. -H. Chang, and Byonghyo Shim, “ Systematic Resource Allocation in Cloud RAN with Caching as a Service under Two Timescale," submitted for publication.

41. Jie Gong, T. -H. Chang, Chao Shen and Xiang Chen, “ Flight Time Minimization of UAV for Data Collection over Wireless Sensor Networks," IEEE J. Sel. Area Commun. , vol. 36, no. 10, 1-13, Oct. 2018. 

40. T. -H. Chang, Y.-F. Liu and S. -C. Lin, “ QoS-Based Linear Transceiver Optimization for Full-Duplex Multiuser Communications," IEEE Trans. Signal Process., vol. 66, no. 9, pp. 2300-2313, May. 2018. 

39. N. Zhang, Y.- F. Liu, H. Farmanbar,T. -H. Chang, M. Hong, and Z. -Q. Luo, “ Network Slicing for Service-Oriented Networks Under Resource Constraints," IEEE J. Sel. Area Commun. (JSAC), vol. 35. , no. 11, pp. 2512-2521, Nov. 2017. 

38. Q. Chen, D. Kang, Y. He, T.-H. Chang, and Y. - F. Liu, “ Joint Power and Admission Control based on Channel Distribution Information: A Novel Two-Time-Scale Approach," IEEE Signal Processing Letters, vol. 24, no. 2, pp. 196-201, Feb. 2017.

37. M. Hong and T. -H. Chang, “ Stochastic Proximal Gradient Consensus Over Random Networks," IEEE Trans. Signal Process. , vol. 65, no. 11, pp. 2933-2948, June 2017. 

36. W. -K. Ma, Jianxian Pan, Anthony M. -C. So and T. -H. Chang, " Unraveling the Rank-One Solution Mystery of Robust MISO Downlink Transmit Optimization: A Verifiable Sufficient Condition via a New Duality Result," IEEE Trans. Signal Process. , vol. 65, no. 7, pp. 19091924, April 2017. 

35. S. -C. Tsai, Y.-H. Tseng and T. -H. Chang, " Communication-efficient distributed demand response: A randomized ADMM approach," IEEE Trans. Smart Grid, vol. 8, no. 3, pp. 1085-1095, May 2017. 

34. S. Xu, T. -H. Chang, S. -C. Lin, C. Shen and G. Zhu, “ Energy-efficient packet scheduling with finite blocklength codes: Convexity analysis and efficient algorithms," IEEE Trans. Wireless Commun. , vol. 15, no. 8, pp. 5527-5540, Aug. 2016.

33. T. -H. Chang, " A proximal dual consensus ADMM method for multi-agent constrained optimization," IEEE Trans. Signal Process. , vol. 64, no. 14, pp. 3719-3734, July 2016.

32. T. -H. Chang, W.-C. Liao, M. Hong and X. Wang, " Asynchronous Distributed ADMM for Large-Scale Optimization- PartII: Linear Convergence Analysis and Numerical Performance," IEEE Trans. Signal Process. , vol. 64, no. 12, pp. 3131-3144, June 2016. 

31. T. -H. Chang, M. Hong, W. -C. Liao and X. Wang, " Asynchronous Distributed ADMM for Large-Scale Optimization- Part I: Algorithm and Convergence Analysis," IEEE Trans. Signal Process. , vol. 64, no. 12, pp. 3118-3130, June 2016. 

30. W. -S. Lai, T. -H. Chang, and T. -S. Lee, " Joint Power and Admission Control for Spectral and Energy Efficiency Maximization in OFDMA-Based Heterogeneous Networks," IEEE Trans. Wireless Commun. , vol. 15, no. 5, pp. 3521-3547, May 2016. 

29. Y.-W. Peter Hong, W. -C. Li,T.- H. Chang and C. -H. Lee, " Coordinated multicasting with opportunistic user selection in multicell wireless systems," IEEE Trans. Signal Process. , vol. 63, no. 13, pp. 3506-3521, July 2015. 

28. W. -C. Li, T. -H. Chang, and C.- Y. Chi, " Multicell Coordinated Beamforming with Rate Outage Constraint Part I- Complexity Analysis," IEEE Trans. Signal Process. , vol. 63, no. 11, pp. 2749-2762, June 2015. 

27. W. -C. Li, T. -H. Chang, and C. -Y. Chi, " Multicell Coordinated Beamforming with Rate Outage Constraint Part II- Efficient Approximation Algorithms," IEEE Trans. Signal Process. , vol. 63, no. 11, pp. 2763-2778, June 2015. 

26. Y. Yang, T. -H. Chang, Meilu Lin, Jianhua Ge and Yangheng Ji, " Efficient solutions to distributed beamforming for two-way relay network sunder individual relay power constraints," IEEE Trans. Vehicular Tech. , vol. 64, no. 4, pp. 1643-1649, April 2015. 

25. T. -H. Chang, M. Hong and X. Wang, " Multi-agent distributed optimization via inexact consensus ADMM," IEEE Trans. Signal Process. , vol. 63, no. 2, pp. 482-497, Jan. 2015.

24. C. Shen, W. -C. Li and T. -H. Chang, " Wireless information and energy transfer in multiantenna interference channel," IEEE Trans. Signal Process. , vol. 62, no. 23, pp. 6249-6264, Dec. 2014. 

23. Q. Shi, W. Xu, T. -H. Chang, Y. Wang and E. Song, " Joint beamforming and power splitting for MISO interference channel with SWIPT: An SOCP relaxation and decentralized algorithm," IEEE Trans. Signal Process. , vol. 62, no. 23, pp. 6194-6208, Dec. 2014. 

22. K. -Y. Wang, A. M.-C. So, T. -H. Chang, W. -K. Ma and C. -Y. Chi, " Outage constrained robust transmit optimization for multiuser MISO downlinks: Tractable approximations by conic optimization," IEEE Trans. Signal Process. , vol. 62, no. 21, pp. 5690-5705, Nov. 2014. 

21. T. -H. Chang, A. Nedich, and A. Scaglione, " Distributed constrained optimization by consensus-based primal-dual perturbation method," IEEE Trans. Automatic Control, vol. 59, no. 6, pp. 1524-1538, Jun. 2014. 

20. X. Li, A. Scaglione and T. -H. Chang, " A Framework for Phasor Measurement Placement in Hybrid State Estimation Via GaussNewton," IEEE Trans. Power Systems, vol. 29, no. 2, pp. 824-832, Mar. 2014. 

19. S. -H. Wu, L. -K. Chiu, K. -Y. Lin and T. -H. Chang, " Robust hybrid beamforming with phased antenna arrays for downlink SDMA in indoor 60 GHz channels," IEEE Trans. Wireless Commun. , vol. 12, no. 9, pp. 4542-4557, Sept. 2013. 

18. T. -H. Chang, M. Alizadeh, and A. Scaglione, " Real-time power balancing via decentralized coordinated home energy scheduling," IEEE Trans. Smart Grid, vol. 4, no. 3, pp. 1490-1504, Sept. 2013. 

17. H. Qin, Yi Sun, T. -H. Chang, X. Chen, C.-Y. Chi, M. Zhao and J. Wang, " Power allocation and time-domain artificial noise design for wiretap OFDM with discrete inputs," IEEE Trans. Wireless Commun. , vol. 12, no. 6, pp. 2717-2729, June 2013. 

16. C.-W. Huang, T.-H. Chang, X. Zhou, and Y.-W. Peter Hong, " Two-way training for discriminatory channel estimation in wireless MIMO systems," IEEE Trans. Signal Process. , vol. 61, no. 10, 2724-2738, May 2013. 

15. W. -C. Li, T. -H. Chang, Che Lin and C.- Y. Chi, " Coordinated beamforming for multiuse rMISO interference channel under rate outage constraints," IEEE Trans. Signal Process. , vol. 61, no. 5, pp. 1087-1103, March 2013. 

14. Y. Yang, T. - H. Chang, W. - K. Ma, J. Ge, C.- Y. Chi, and P. C. Ching, " Noncoherent bit interleaved coded OSTBC-OFDM with maximum spatial-frequency diversity," IEEE Trans. Wireless Commun. , vol. 11, no. 9, pp. 3335-3347 , Sept. 2012. 

13. T. -H. Chang, W. -K. Ma, C. -Y. Huang and C. -Y. Chi, " Noncoherent OSTBC-OFDM for MIMO and cooperative communications: Perfect channel identifiability and achievable diversity order," IEEE Trans. Signal Process. , vol. 60, no. 9, pp. 4849-4863 , Sept. 2012. 

12. C. Shen, T. -H. Chang, K. -Y. Wang, Zhengding Qiu and C. -Y. Chi, " Distributed robust multicell coordinated beamforming with imperfect CSI: An ADMM approach," IEEE Trans. Signal Process. , vol. 60. no. 6, pp. 2988-3003, June 2012. 

11. Y. Sun, X. Zhong, T. -H. Chang, S. Zhou, J. Wang, and C. Y. Chi, " Optimal real-time transmission control for spectrum sharing between cooperative relay and Ad hoc networks," IEEE Trans. Signal Process. , vol. 60, no. 4, pp. 1971-1985, April 2012. 

10. S. -C. Lin, T. -H. Chang, Y. -L. Liang, Y. -W. Peter Hong, and C. -Y. Chi, " On the impact of quantized channel feedback in guaranteeing secrecy with artificial noise: The noise leakage problem," IEEE Trans. Wireless Commun. , vol. 10, no. 3, pp. 901-915, March 2011. 

9. W. -C. Liao, T. -H. Chang, W. -K. Ma, and C.-Y. Chi, " QoS-based transmit beamforming in the presence of eavesdroppers: An optimized artificial-noise-aided approach," IEEETrans. Signal Process. , vol. 59, no. 3, pp. 1202-1216, March 2011. 

8. T. -H. Chang, W. -C. Chiang, Y. -W. Peter Hong, and C. -Y. Chi, " Training sequence design for discriminatory channel estimation in wireless MIMO systems," IEEE Trans. Signal Process. , vol. 58, no. 12, pp. 6223-6237, Dec. 2010. 

7. T. -H. Chang, C. -W. Hsin, W. -K. Ma and C. Y. Chi, " A Linear Fractional Semidefinite Relaxation Approach to Maximum-Likelihood Detection of Higher-Order QAM OSTBC in Unknown Channels," IEEETrans. Signal Process., vol. 58, no. 4, pp. 2315-2326, April 2010,

6. W. -K. Ma, Chao-Chen Su, J. Jalden, T. -H. Chang, and C. -Y. Chi, " The equivalence of semidefinite relaxation MIMO detectors for higher-order QAM," IEEE Journal of Selected Topicsin Signal Processing, vol. 3, no. 6, pp. 1038-1052, Dec. 2009. 

5. P. De, T. -H. Chang, and C. -Y. Chi," Linear prediction based semiblind channel estimation for multiuser OFDM with insufficient guard interval," IEEE Trans. Wireless Commun. , vol. 8, no. 12, pp. 5728-5736, Dec. 2009. 

4. X. Chen, C.-Y. Chi, T. -H. Chang, and C. -W. Wong, " Non-cancellation multistage Kurtosis maximization with prewhitening for blind source separation," EURASIP Journal on Advances in Signal Processing, vol. 2009, ArticleI ID 534137, 13 pages, April 2009. 

3. T. -H. Chang, Z.- Q. Luo and C. Y. Chi, " Approximation bounds for semidefinite relaxation of max-min-fair multicast transmit beamforming problem," IEEE Trans. Signal Process. , vol. 56, no. 8, pp. 3932-3943, August 2008. 

2. T. -H. Chang, W. -K. Ma and C. -Y. Chi, " Maximum-likelihood detection of orthogonal space-time block coded OFDM in unknown block fading channels," IEEE Trans. Signal Process. , vol. 56, no. 4, pp. 1637-1649, April 2008. 

1.  T. -H. Chang, C. -Y. Chi and Y. -J. Chang," Space-time selective RAKE receiver with finger selection strategies for UWB overlay communications," IEEE Trans. Microwave Theory and Techniques, vol. 54, no. 4, pp. 1731-1744, April 2006.


    Refereed Conference Proceedings