NCKUEE Faculty Data
Chinese Version
Professor Kuei-Chiang Lai
Address
EE Building 10F R92A83
Email
TEL
+886-6-2757575 ext.62399
Lab
Broadband Communications and Signal Processing Lab
(R92A79;92828/ext.62400-1652)
Background
Educations
2001
Ph.D., ECE, University of California, Santa Barbara
1997
M.S., ECE, University of California, Santa Barbara
1993
B.S., EE, National Taiwan University
Experiences
2021/8-present
Professor, National Cheng Kung University
2020/8-present
Vice Chair of EE dept., NCKU
2011/8-2021/7
Associate Professor, National Cheng Kung University
2007/2-2011/7
Assistant Professor, National Cheng Kung University
2006
Engineering Manager, Industrial Technology Research Institute
2005/2-2006/2
Qualcomm Inc. Staff Engineer
2001/9-2005/2
Qualcomm Inc. Senior Engineer
1997-2001
RA/TA, UC, Santa Barbara
1995-1996
Teaching Assistant, National Taiwan University
1993-1995
Second Lieutenant, Army
Specialities
  • Signal processing for the physical layer of digital/wireless communications systems
  • Signal processing algorithms for transceiver design in baseband Ics
  • - Multi-input multi-output (MIMO) systems
  • - Multi-carrier systems (OFDM, FBMC)
  • - Single-carrier systems
  • - Next-generation (5G) communications systems
  • - Signal detection, equalization, channel estimation, synchronization
  • Distributed detection for cognitive radio
Publication
Journal
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  1. Kuei-Chiang Lai and Chi-Jen Chen, "Detection Algorithms for FBMC/OQAM Spatial Multiplexing Systems," in IEICE Transactions on Communications, vol. E104-B, no. 9, pp.1172-1187, Sept. 2021.
  2. Jian-Yu Pan, Kuei-Chiang Lai, Yi-Ting Li, and Szu-Lin Su, "Frequency-Domain Iterative Block DFE Using Erasure Zones and Improved Parameter Estimation," in IEICE Transactions on Communications, vol. E104-B, no. 9, pp.1159-1171, Sept. 2021.
  3. Kuei-Chiang Lai, Hung-Yu Su, De-Gang Peng, and Shao-Zhen He, "Detection Algorithm for Single-Carrier Spatial Modulation Signals in Frequency-Selective Fading Channels," in IEEE Transactions on Vehicular Technology, vol. 69, no. 11, pp. 13341-13356, Nov. 2020.
  4. Kuei-Chiang Lai, Yung-Jie Huang, Chun-Ting Chen, and Cheng-Feng Lin, "A Family of MMSE-Based Decision Feedback Equalizers and Their Properties for FBMC/OQAM Systems," in IEEE Transactions on Vehicular Technology, vol. 68, no. 3, pp. 2346-2360, March 2019.
  5. Jiun-Jie Jia, Kuei-Chiang Lai, Jian-Yu Pan, "Hybrid-Domain Parallel Decision Feedback Equalization for Single-Carrier Block Transmission," IEEE Transactions on Vehicular Technology, vol.67, no.22, pp. 1454-1469, Feb. 2018.
  6. Jiun-Jie Jia, Shih-Jung Wang, Kuei-Chiang Lai, "Hybrid-Domain Sequence Detector for Training Sequence-Aided Single-Carrier Block Transmission Signals," IEEE Transactions on Wireless Communications vol.14, no.12, pp.6565-6578, December 2015.
  7. Kuei-Chiang Lai, Cheng-Chieh Huang, Jiun-Jie Jia, "Variation of the Fixed-Complexity Sphere Decoder," IEEE Communications Letters, vol.15, no.9, pp.1001-1003, September 2011.
  8. Kuei-Chiang Lai, Jiun-Jie Jia, and Li-Wei Lin, "Hybrid Tree Search Algorithms for Detection in Spatial Multiplexing Systems," IEEE Transactions on Vehicular Technology, vol.60, no.7, pp.3503-3509, September 2011.
  9. Kuei-Chiang Lai , Yun-Lin Yang, and Jiun-Jie Jia, "Fusion of Decisions Transmitted over Flat Fading Channels via Maximizing the Deflection Coefficient", IEEE Trans. Vehicular Technology, vol. 59, pp. 3634-3640, Sept. 2010.
  10. Kuei-Chiang Lai and Li-Wei Lin, "Low-Complexity Adaptive Tree Search Algorithm for MIMO Detection", IEEE Trans. Wireless Communications, vol. 8, pp. 3716-3726, July 2009.
  11. Kuei-Chiang Lai and J. J. Shynk, "Analysis of the linear SIC for DS/CDMA signals with random spreading,", IEEE Trans. Signal Processing, vol. 52, pp. 3417-3428, Dec. 2004.
  12. Kuei-Chiang Lai and J. J. Shynk, "Performance evaluation of a generalized linear SIC for DS/CDMA signals," IEEE Trans. Signal Processing, vol. 51, pp. 1604-1614, June 2003.
  13. Kuei-Chiang Lai and J. J. Shynk, "A successive cancellation algorithm for fetal heart-rate estimation using an intrauterine ECG signal," IEEE Trans. Biomedical Engineering, vol. 49, pp. 943-954, Sept. 2002.
  14. Kuei-Chiang Lai and J. J. Shynk, "Steady-state analysis of the adaptive successive interference canceler for DS/CDMA signals," IEEE Trans. Signal Processing, vol. 49, pp. 2345-2362, Oct. 2001.
Conference
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  1. Kuei-Chiang Lai and Chi-Jen Chen " Equalization Algorithms for MIMO FBMC/OQAM Systems," 全國電信研討會, Jan. 14-17, 2020. (best student paper award.)
  2. Kuei-Chiang Lai, Yung-Jie Huang, Chun-Ting Chen, and Cheng-Feng Lin " Efficient Computation of MMSE Decision Feedback Equalizer for FBMC/OQAM Systems," 全國電信研討會, January 24-25, 2019.
  3. J. J. Jia, J. Y. Pan, and K. C. Lai, “A low-complexity upgrade of the hybrid DFE for single-carrier block transmission systems via adaptive multiple decision feedback,” in Proc. IEEE Asia Pacific Wireless Communications Symposium (IEEE VTS APWCS), Aug. 2016.
  4. Jiun-Jie Jia, Shih-Jung Wang, and Kuei-Chiang Lai, “Low-Complexity Tree Search Equalizer Using Frequency-Domain Prefiltering for Single-Carrier Block Transmission Systems”, in Proc. IEEE Asia Pacific Wireless Communication Symposium (APWCS), August, 2015.
  5. Shih-Jung Wang, Jiun-Jie Jia, Kuei-Chiang Lai, and Szu-Lin Su, “A Nonlinear Equalization Algorithm for Single-Carrier Block Transmission Systems”, in Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), May 2014.
  6. Kuei-Chiang Lai, Jiun-Jie Jia, and Li-Wei Lin, “Maximum-Likelihood MIMO Detection Using Adaptive Hybrid Tree Search”, in Proc. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), September 2011.
  7. Kuei-Chiang Lai, Cheng-Chieh Huang, and Jiun-Jie Jia, “A Reduced-Complexity MIMO Detection Algorithm Based on the Fixed-Complexity Sphere Decoder”, in Proc. IEEE Asia Pacific Wireless Communication Symposium (APWCS), August 2011.
  8. Kuei-Chiang Lai, “Reduced-complexity MIMO detection using adaptive set partitioning,” in Proc. IEEE Wireless Communications and Networking Conference (WCNC), pp. 159–164, March 2008.
  9. Kuei-Chiang Lai and J. J. Shynk "SINR performance of the linear SIC for a DS/CDMA system with random spreading," in Proc. Conf. on Information Sciences and Systems, (Princeton, NJ), March 2004.
  10. Kuei-Chiang Lai, R. E. Cagley, J. J. Shynk, M. Motamed, and R. P. Gooch,"Comparative performance of adaptive receivers for demodulating IS-95 downlink data," in Proc. IEEE 2000 Adaptive Systems for Signal Processing, Communications, and Control Symposium, pp. 414-419, (Alberta, Canada), Oct. 2000.
  11. Kuei-Chiang Lai and J. J. Shynk, "A signal separation algorithm for fetal heart-rate estimation," in Proc. Thirty-Fourth Asilomar Conf. on Signals, Systems, and Computers, pp. 348-351,(Pacific Grove, CA), Oct. 2000.
  12. Kuei-Chiang Lai, J. J. Shynk, M. Motamed, and R. P. Gooch, "Adaptive successive interference cancellation for the IS-95 uplink," in Proc. IEEE Vehicular Technology Conference, pp. 1187-1192, (Boston, MA), Sept. 2000.
  13. Kuei-Chiang Lai and J. J. Shynk, "Error-rate analysis of the adaptive successive interference canceler for DS/CDMA signals," in Proc. IEEE Int. Conf. Acoustics, Speech, and Signal Processing, pp. 2845-2848, (Istanbul, Turkey), June 2000.
  14. Kuei-Chiang Lai and J. J. Shynk, "On the performance of the successive interference canceler for DS/CDMA signals," in Proc. Thirty-Third Asilomar Conf. Signals, Systems, and Computers, pp. 1594-1600, (Pacific Grove, CA), Oct. 1999.
  15. R. E. Cagley, Kuei-Chiang Lai, and J. J. Shynk, "Performance of ML rate determination for an IS-95 downlink SIC receiver," in Proc. Thirty-Fourth Asilomar Conf. on Signals, Systems, and Computers, pp. 956-959, (Pacific Grove, CA), Oct. 2000.
  16. R. Chandrasekaran, Kuei-Chiang Lai, and J. J. Shynk, "A subspace method for separating cochannel TDMA signals," in Proc. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing, pp. 2853-2856, (Phoenix, AZ), Mar. 1999.
  17. R. Chandrasekaran, Kuei-Chiang Lai, and J. J. Shynk, "Performance analysis of a subspace algorithm for cochannel TDMA signals," in Proc. Thirty-Second Asilomar Conf. Signals, Systems, and Computers, pp. 1494-1499, (Pacific Grove, CA), Oct. 1998
Patent
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  1. Apparatus and method for radio frequency tracking and acquisition (US 7130329, Qualcomm Inc., by Serguei A. Glazko, Kuei-Chiang Lai; issued on 10/31/2006)
  2. Signal quality estimation for continuous phase modulation (US 7145966, Qualcomm Inc., by Kuei-Chiang Lai, Arunava Chaudhuri; issued on 12/5/2006)
  3. Efficient back-end channel matched filter (CMF) (US 7349461 B2, Qualcomm Inc., by Serguei A. Glazko, James Y. Hurt, Kuei-Chiang Lai; issued on 3/25/2008)
  4. Time tracking for a receiver with guard interval correlation. (US 8009745, Qualcomm Inc., by Serguei A. Glazko, Kuei-Chiang Lai, Shimman Patel; issued on 8/30/2011)
  5. Unified modulator for continuous phase modulation and phase-shift keying. (US 8009761, Qualcomm Inc., by Kuei-Chiang Lai, Helena D. O'Shea; issued on 8/30/2011)
  6. Coarse bin frequency synchronization in a communication system (US 8130726, Qualcomm Inc., by Shimman Patel, Kuei-Chiang Lai, Seguei A. Glazko; issued on Mar 6, 2012)
  7. 多輸入多輸出偵測方法及偵測器 (NCKU) [發明第 I 401905 號](issued on July 11, 2013)
  8. Detector and interference cancellation method for spatial multiplexing filter bank multicarrier with offset quadrature amplitude modulation. [US 10892919, Assignee: Industrial Technology Research Institute (ITRI), by Kuei-Chiang Lai and Chi-Jen Chen; publication date: 1/12/2021.]
  9. 適用於偏移正交振幅調變濾波器組多載波空間多工系統之偵測器及干擾消除方法。 [TW I722689B, Assignee: Industrial Technology Research Institute (ITRI), by 賴癸江 and 陳麒任; publication date: 3/21/2021.]
Others
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Projects
  1. Study of Signal Detection Algorithms for Single-Carrier Generalized Spatial Modulation Systems over Multipath Fading Channels (110.8-111.7)
  2. Study of Detection Algorithms for Spatial Modulation Systems over Frequency-Selective Fading Channels (109.8-110.7)
  3. Study of Baseband Signal Processing Techniques for Linearization of Envelope Tracking Power Amplifiers (1/2) (108.7-109.6)
  4. Study of Detection Techniques for MIMO FBMC/OQAM Systems (108.8-109.7)
  5. Study of Baseband Signal Processing Techniques for Linearization of Envelope Tracking Power Amplifiers (1/2) (108.7-109.6)
  6. Study of Digital Predistortion Techniques for Mitigating the Memory Effects of Power Amplifiers (107.7-108.6)
  7. Study of Equalization Algorithms for Filter Bank Multicarrier Systems (104.8-105.7)
  8. Detection Techniques for Single-Carrier Block Transmission Signals in Time-Varying Multipath Channels (103.8-104.7)
  9. Study of High-Efficient Communication Technologies to Support Mobile Environments-Project II: Study of Equalization Techniques for Single Carrier Block Transmission over Severe Doubly-Selective Channels. (101.8-103.7)
  10. Study of Wireless Communication Technologies for Energy-Saving and High-Mobility Supporting-Project II: Study of Equalization Techniques for Single Carrier Block Transmission over Severe Doubly-Selective Channels. (100.8-101.7)
  11. Resource-Constrained and Channel-Aware Wireless Communication Networks-Project I: Study of spectrum sensing techniques and signal designs for feature detection. (97.8-100.7)
  12. Reduced-Complexity MIMO Detection Algorithms for Near-Optimum Performance. (96.8-97.7)
Students
Current Academic Year Lab Members
Master
Yi-Cheng Lin
Guan-Lin Li
Wei-Zhi Xu
Ting-Jia Hsu
Cheng-Han Jhong
Hsuan-Hsiang Fang
Yi-Yaun Li
Graduates of all Previous Years
Master
100
Shih-Jung Wang   Jian-Yu Pan   Cheng-Chieh Huang
101
Chih-Chieh Wang
102
Yi-Hsuan Chen   Chih-Heng Tsai   Yu-Kun Liu   Liang-Syun Huang
103
Chin-Chi Yang   Shih-Hung Chang   Tsung-Lin Yeh   Kun-Li Wang
104
Huan-Chung Chen   Hao-Chiang Chang   Yung-Jie Huang
105
Yi-Chung Huang   Chun-Ting Chen
106
Tian-Cheng Lan   De-Gang Peng   Cheng-Feng Lin   Yi-Ting Li
107
Hao-Chun Chang   Jhong-Cheng Syu    Hung-Yu Su
108
Chi-Jen Chen   Wen-En Li
109
Yuan-han Zhan   Shao-Zhen He   Shang-Yen Lin
110
Yu-Sheng Tseng   Yi-Lin Yang   Yu-Wei Hu
111
Tzu-Hao Peng
98
Ming-Chen Yeh   I-Ting Huang   Li-Wei Lin   Jiun-Jie Jia
99
Sheng-Yu Tai   Yun-Lin Yang
Ph.D.
105
Jiun-Jie Jia
Honors