NCKUEE Faculty Data
Chinese Version
Professor Kuang-Wei Cheng
Address
EE Building 9F R92901
Email
TEL
+886-6-2757575 ext.62369
Lab Weblink
Wireless Integrated Circuits and Systems Lab
(R92971/ext.62400-1671)
Background
Educations
2009
Ph.D., University of Washington, WA, USA
2002
M.S.E.E., National Taiwan University, Taiwan
2000
B.S.E.E., National Taiwan University, Taiwan
Experiences
2023/11-present
Professor, Dept. of Electrical Engineering, National Cheng-Kung University, Taiwan
2018/1-2023/11
Associate Professor, Dept. of Electrical Engineering, National Cheng-Kung University, Taiwan
2012/02-2017/12
Assistant Professor, Dept. of Electrical Engineering, National Cheng-Kung University, Taiwan
2010/01-2012/02
Principal Investigator of Biomedical IC Group, Institute of Microelectronics, A*STAR (Agency for Science, Technology and Research), Singapore
2006/06-2006/09
Circuit Design Engineer, National Semiconductor Corporation, USA
2002/08-2004/07
IC Design Senior Engineer, MediaTek Inc., Taiwan
Specialities
  • Ultra-low-power RF front-end circuits and energy efficient wireless transceivers
  • Low power techniques for ADC and PLL
  • Wireless power transfer and energy harvest techniques
  • Bio-medical and sensor interface integrated circuits design
Publication
Journal
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  1. K. W. Cheng, S. K. Chang, B. S. Li, and Z. T. Tsai, "Design and Analysis of a Resistive Frequency-Locked Oscillator With Long-Term Stability Using Double Chopper Stabilization," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 70, no. 2, pp. 655-666, 2023
  2. K. W. Cheng, W. W. Chen, and S. D. Yang, "A Low Power Sub-GHz Wideband LNA Employing Current-Reuse and Device-Reuse Positive Shunt-Feedback Technique," IEEE Microwave and Wireless Components Letters, vol. 32, no. 12, pp. 1455-1458, 2022
  3. K. -W. Cheng and S. -E. Chen,"An Ultralow-Power OOK/BFSK/DBPSK Wake-Up Receiver Based on Injection-Locked Oscillator," in IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 29, no. 7, pp. 1379-1391, July 2021.
  4. S.-E. Chen, J.-S. Lin, H.-F. Li and K.-W. Cheng, "Reference-less wake-up receiver with noise suppression and injection-locked clock recovery," in IET Circuits, Devices & Systems, vol. 14, no. 2, pp. 168-175, March 2020.
  5. K.-W. Cheng, S.-K. Chang, and Y.-C. Huang, “Low-Power and Low-Phase-Noise Gm-Enhanced Current-Reuse Differential Colpitts VCO”, IEEE Trans. on Circuits and Systems II: Express Briefs, vol. 66, no. 5, pp. 733-737, May 2019.(Invited)
  6. K.-W. Cheng and S.-E. Chen, “An Ultralow-Power Wake-Up Receiver Based on Direct Active RF Detection,”IEEE Trans. on Circuits and Systems I, vol. 64, no. 7, pp. 1661-1672, Jul. 2017.
  7. K.-W. Cheng and Y.-R. Tseng, “5 GHz CMOS Quadrature VCO Using Trifilar-Transformer-Coupling Technology,” IEEE Microwave and Wireless Components Letters, vol. 26, no. 9, pp. 717-719, Sep. 2016.
  8. X. Zou, L. Liu, J. H. Cheong, L. Yao, P. Li, M.-Y. Cheng, W. L. Goh, R. Rajkumar, G. S. Dawe, K.-W. Cheng, and M. Je, “A 100-Channel 1-mW Implantable Neural Recording IC,” IEEE Trans. on Circuits and Systems I, vol. 60, no. 10, pp. 2584-2596, Oct. 2013.
  9. R.-F. Xue, K.-W. Cheng, and M. Je, “High-Efficiency Wireless Power Transfer for Biomedical Implants by Optimal Resonant Load Transformation,” IEEE Trans. on Circuits and Systems I, vol. 60, no. 4, pp. 867-874, Apr. 2013.
  10. K.-W. Cheng and M. Je, “A Current-Switching and gm-Enhanced Colpitts Quadrature VCO,” IEEE Microwave and Wireless Components Letters, vol. 23, no. 3, pp. 143-145, Mar. 2013.
  11. K.-W. Cheng, K. Natarajan, and D. J. Allstot, “A Current Reuse Quadrature GPS Receiver in 0.13 m CMOS,” IEEE J. Solid-State Circuits, vol.45, no.3, pp.510-523, Mar. 2010.
  12. Y. Tang, K.-W. Cheng, S. Gupta, J. Paramesh, and D. J. Allstot, “Cascaded Complex ADCs with Adaptive Digital Calibration for I/Q Mismatch,” IEEE Trans. on Circuits and Systems I, vol.55, no.3, pp. 817-827, Apr. 2008.
Conference
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  1. P. C. Yeh, S. E. Chen, and K. W. Cheng, "A 433MHz Multi-Mode Wake-Up Receiver Achieving High Sensitivity via Balun LNA and Injection Locked Oscillator," in 2023 21st IEEE Interregional NEWCAS Conference (NEWCAS), 26-28 June 2023
  2. Y. S. Hsieh, B. S. Li, and K. W. Cheng, "A 0.98 pJ/Cycle 3.7 ppm Long-Term Stability Frequency-Locked Oscillator with Switched-Capacitor and Switched-Resistor Techniques," in 2023 IEEE International Symposium on Circuits and Systems (ISCAS), 21-25 May 2023
  3. S. E. Chen, Y. C. Lin, and K. W. Cheng, "A High Sensitivity RF Energy Harvester with Dynamic Body-Biasing CMOS Rectifier," in 2022 20th IEEE Interregional NEWCAS Conference (NEWCAS), 19-22 June 2022
  4. B.-S. Li, S.-K. Chang, Z.-T. Tsai, and K.-W. Cheng, “A 1.17-nW/kHz Frequency-Locked On-Chip Wake-Up Timer in 0.18-μm CMOS, ” in VLSI Design/CAD symp., Aug. 2021.
  5. S.-K. Chang, Z.-T. Tsai, and K.-W. Cheng, “A 250 kHz Resistive Frequency-Locked On-Chip Oscillator with 24.7 ppm/°C Temperature Stability and 2.73 ppm Long-Term Stability”, in IEEE Int. Symp. on Circuits and Systems (ISCAS), Oct. 2020.
  6. S.-K. Chang, S.-D. Yang, K.-W. Cheng, “A Direct FSK/QPSK Modulation Transmitter Employing Dual Injection Locking Techniques, ” in Taiwan and Japan Conference on Circuits and Systems (TJCAS), Aug. 2019.
  7. Y.-C. Huang, S.-K. Chang, and K.-W. Cheng, “A 2.4 GHz Gm-Boosted Complementary Current-Reuse Colpitts VCO with FoM of 189 dBc/Hz in 0.18 μm CMOS, ” in VLSI Design/CAD symp., Aug. 2019.
  8. Y.-C. Huang, S.-K. Chang, and K.-W. Cheng, “Low-Power and Low-Phase-Noise Gm-Enhanced Current-Reuse Differential Colpitts VCO”, in IEEE Int. Symp. on Circuits and Systems (ISCAS), May 2019
  9. W.-W. Chen, and K.-W. Cheng, “A UWB CMOS LNA with Current Reuse Negative Feedback, ” in VLSI Design/CAD symposium, Aug. 2018.
  10. W.-W. Chen, S.-D. Yang, and K.-W. Cheng, “A 1.2 V 490 μW Sub-GHz UWB CMOS LNA with Current Reuse Negative Feedback”, in IEEE Int. Symp. on Circuits and Systems (ISCAS), May 2018.
  11. S.-K. Chang, K.-W. Chen, S.-D. Yang, C.-L. Yang, and K.-W. Cheng, “An Autonomous Wireless Transmitter with Piezoelectric Energy Harvester from Short-Duration Vibrations”, in IEEE Int. Symp. on Circuits and Systems (ISCAS), May 2018.
  12. S.-K. Chang, and K.-W. Cheng, “A Low Power Gm-Enhanced Current-Reuse Differential Colpitts QVCO, ” in VLSI Design/CAD symposium, Aug. 2017.
  13. S.-E. Chen and K.-W. Cheng, “A 433 MHz 54 μW OOK/FSK/PSK Compatible Wake-Up Receiver with 11 μW Low-Power Mode Based on Injection-Locked Oscillator,” in IEEE European Solid-State Circuits Conference (ESSCIRC), Sep. 2016.
  14. C.-M. Chou and K.-W. Cheng, “A Sub-2 dB Noise-Figure 2.4 GHz LNA Employing Complementary Current Reuse and Transformer Coupling”, in IEEE International Symposium on Radio-Frequency Integration Technology (RFIT), Aug. 2016. (Final list of Best Student Paper Award)
  15. K.-W. Cheng, J.-S. Lin, and S.-E. Chen, “Reference-Less Ultra-Low-Power Wake-Up Receiver with Noise Suppression”, in URSI Asia-Pacific Radio Science Conference, Aug. 2016. (Invited)
  16. M. Je, J. H. Cheong, C. K. Ho, S. S. Y. Ng, R.-F. Xue, H.-K. Cha, X. Liu, W.-T. Park, L. S. Lim, C. He, K.-W. Cheng, X. Zou, Z. Chen, L. Yao, S. J. Cheng, P. Li, L. Liu, M.-Y. Cheng, Z. Duan, R. Rajkumar, Y. Zheng, W. L. Goh, Y. Guo, G. Dawe, “Wireless sensor microsystems for emerging biomedical applications”, in IEEE Int. Symp. on Radio-Frequency Integration Technology (RFIT), Aug. 2015, pp. 139-141.
  17. S.-E. Chen, Chin-Lung Yang, and K.-W. Cheng, “A 4.5 μW 2.4 GHz Wake-Up Receiver Based on Complementary Current-Reuse RF Detector” in IEEE Int. Symp. on Circuits and Systems, April 2015, pp. 1214-1217.
  18. S.-E. Chen and K.-W. Cheng, “A 433MHz 6.4μW FSK Receiver with -68dBm Sensitivity Based on Injection-locked Frequency-to-Amplitude Conversion” in IEEE Int. Solid-State Circuits Conf. - Student Research Preview(ISSCC-SRP), Feb. 2015.
  19. J. Lee, V. V. Kulkarni, C. K. Ho, J. H. Cheong, P. Li, J. Zhou, W. Toh, X. Zhang, Y. Gao, K.-W. Cheng, X. Liu, M. Je, “A 60 Mb/s Wideband BCC Transceiver with 150 pJ/b RX and 31 pJ/b TX for Emerging Wearable Applications,” in IEEE Int. Solid-State Circuits Conf. (ISSCC) Dig. Tech. Papers, Feb. 2014, pp. 498-499.
  20. X. Zhang, R. Xue, K.-W. Cheng, J. Cheong, C. Ho, L. Yao, C. He, and M. Je, “Design of High-Efficiency Inductive Power Transfer Coils for Biomedical Implants,” in IEEE MTT-S Int. Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, Dec. 2013.
  21. K.-W. Cheng, X. Liu, and M. Je, “A 2.4/5.8 GHz 10 W Wake-Up Receiver With -65/-50 dBm Sensitivity Using Direct Active RF Detection,” in IEEE Asian Solid-State Circuits Conf. (ASSCC), Nov. 2012, pp. 337-340.
  22. K.-W. Cheng, X. Zou, J. H. Cheong, R.-F. Xue, Z. Chen, L. Yao, H.-K. Cha, S. J. Cheng, P. Li, L. Liu, L. Andia, C. K. Ho, M.-Y. Cheng, Z. Duan, R. Ramamoorthy, Y. Zheng, W. L. Goh, Y. Guo, G Dawe, W.-T. Park, and M. Je, “100-Channel Wireless Neural Recording System with 54-Mb/s Data Link and 40%-Efficiency Power Link,” in IEEE Asian Solid-State Circuits Conf. (ASSCC), Nov. 2012, pp. 185-188.
  23. M.-Y. Cheng, W.-T. Park, X. Zou, K.-W. Cheng, K. L. Tan, and M. Je, “A novel integration scheme for A low-profile 3d neuroprobe array microsystem,” in IEEE Asia-Pacific Conf. on Transducers and Micro/Nano Technologies, Jul. 2012.
  24. A. T. Do, C. K. Lam, Y. S. Tan, K. S. Yeo, J. H. Cheong, X. Zou, L. Yao, K. W. Cheng, and M. Je, “A 160 nW 25 kS/s 9-bit SAR ADC for neural signal recording applications,” in IEEE 10th International New Circuits and Systems Conference (NEWCAS), Jun. 2012, pp. 525-528.
  25. L. Andia, R.-F. Xue, K.-W. Cheng and M. Je, “Closed loop wireless power transmission for implantable medical devices,” in IEEE Int. Symp. on Integrated Circuits. (ISIC), Dec. 2011, pp. 404-407.
  26. Z. Chen, K.-W. Cheng, Y. Zheng, and M. Je, “A 3.4-mW 54-Mbps Burst-Mode Injection-Locked FSK Transmitter,” in IEEE Asian Solid-State Circuits Conf. (ASSCC), Nov. 2011, pp. 289-292.
  27. S. Gupta, Y. Tang, K.-W. Cheng, J. Paramesh, and D.J. Allstot, “Multi-rate polyphase DSP and LMS calibration schemes for oversampled data conversion systems,” in IEEE Intl. Conf. on Acoustics, Speech, and Signal Processing (ICASSP), May 2011, pp. 1585-1588.
  28. K.-W. Cheng and D. J. Allstot, “A Gate-Modulated CMOS LC Quadrature VCO,” in IEEE Radio Frequency Integrated Circuits (RFIC) Symp., Jun. 2009, pp. 267-270. (Best Student Paper Award)
  29. N. M. Neihart, K.-W. Cheng, J. S. Walling, S. Yoo, and D. J. Allstot, “A 4-Antenna Transmitter in 0.18 m CMOS using Space-Time BlockCodes,” in IEEE Radio Frequency Integrated Circuits (RFIC) Symp., Jun. 2009, pp. 361-364.
  30. K.-W. Cheng, K. Natarajan, and D. J. Allstot, “A 7.2mW Quadrature GPS Receiver in 0.13 m CMOS,” in IEEE Int. Solid-State Circuits Conf. (ISSCC) Dig. Tech. Papers, Feb. 2009, pp. 422-423.
  31. H.-H. Chang, S.-P. Chen, K.-W. Cheng, and S.-I. Liu, “A 0.8V switched-opamp bandpass ΔΣ modulator using a two-path architecture,” in Proc. IEEE Asia-Pacific Conf. on ASIC, Aug. 2002, pp. 1-4.
Patent
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  1. K.-W. Cheng, Y.-C. Wu, and S.-E. Chen, “Self-Compensated Complementary Rectifier,” TW Patent I623182, 2018.
  2. K.-W. Cheng, W.-H. Ho, and S.-K. Chang, “Ultra Low Power Transmitter Applied in Multi-Channel Frequency Shift Keying (FSK) Communication,” US Patent 9,565,042, 2017.
  3. K.-W. Cheng, W.-H. Ho, and S.-K. Chang, “Ultra Low Power Transmitter Applied in Multi-Channel Frequency Shift Keying (FSK) Communication,” TW Patent I535223, 2016.
  4. K.-W. Cheng and M. Je, “Circuit Arrangement and Receiver Including the Circuit Arrangement”, U.S. Patent No. US 8626110 B2, Jan. 7, 2014 and Singapore Patent No. 188064, Jan. 30, 2014.
  5. K.-W. Cheng, Z. Chen, Y. Zheng, R.-F. Xue, and M. Je, “Receiver and method of controlling a receiver,” US Patent Pub. No US 20130329773 A1, Dec. 12, 2013.
  6. K.-W. Cheng and M. Je, “Quadrature Voltage Controlled Oscillator,” U.S. Patent Pub. No. US20120249250 A1, Oct. 4, 2012.
  7. Z. Chen, K.-W. Cheng, Y. Zheng, and M. Je, “Method and apparatus for a duty-cycled harmonic injection locked oscillator,” International Pub. No. WO2012134393 A1, Oct. 4, 2012.
Others
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  1. Kuang-Wei Cheng and Yi-Jen Chiu,“The Realization of the Batteryless IoT Link,” MOST Science Development Monthly, no. 527, Nov. 2016
Projects
  1. NSF ACED: ROOTS: Real-time Optimization Of Transceiver Systems, Jul. 2023-Jun. 2025
  2. Ultra-low power multi-mode multi-channel wireless transmitter for the IOT, Aug. 2023-Jul. 2025
  3. Low voltage phase lock loop, Sep. 2022-Aug. 2024
  4. Low power low jitter clock generator, Mar. 2022-Feb. 2024
  5. High sensitivity radio frequency identification technology, Oct. 2022- Sep. 2023
  6. Analysis, design and implementation of high-security, low-power IoT circuits and systems, May 2018–Apr. 2022, Co-PI
  7. Ultra-low-power interferer-resilient wireless transceiver for high RF security wake-up IoT systems, May 2018–Apr. 2022,PI
  8. The development of wireless lead-free piezoelectric MEMS accelerometers system with low power consumption, Jun. 2017–May 2018.
  9. Ultra-low-power wake-up receiver for self-powering sensor platform, Dec. 2016–Dec 2017
  10. Ultra-low-power multi-mode wireless transceiver for IoT applications, Aug. 2016–Jul. 2019
  11. Ultra low power capacitive to digital converter for environmental humidity detection on self-powering sensor platform, Dec. 2015 - Dec. 2016
  12. 應用於腦波感知安全帽之神經放大器, College student research scholarship, Jul. 2015–Feb. 2016
  13. 無線電獵能裝置轉換驅動電子鐘, College student research scholarship, Jul. 2014–Feb. 2015
  14. Low power quadrature voltage-controlled oscillator, Jul. 2013 - Aug. 2015, PI
  15. General: A self-sustained wireless communication system with green energy harvesters; Sub-project 2: An ultra-low power, miniaturized transceiver for autonomous radio, May. 2013 - Apr. 2016, PI
  16. Ultra low power wake-up receiver for wireless sensor networks, Jul. 2012 - Aug. 2013, PI
Classes
2023 Spring
2022 Fall
2022 Spring
2021 Fall
2021 Spring
2020 Fall
2020 Spring
2019 Fall
Students
Current Academic Year Lab Members
Ph.D.
Sheng-Kai Chang
Master
Pin-Cheng Yeh
Yuan-Cheng Wu
Sin Wang
You-Ren Chuang
Ming-Hsuan Kuo
Yen-Chang Chen
Yun-Sheng Hsieh
Yi-Hsuan Hsia
Tai-Jung Hsu
Yu-Chi Chiu
Kai-Chen Wu
Zhi-Wei Lin
Jhih-Hao Hong
Shao-Chen Chang
Kuo-Ching Tai
Chia-Han Wu
Graduates of all Previous Years
master
100
Yu-Chun Ying (co-advisor)
102
Shih-En Chen   Wen-Hao He
103
Yu-Hao Chiu (co-advisor)
104
Jhih-Syuan Lin
105
Yi-Ching Wu   Shang-Te Yang
106
Sing-Hao Wang
107
Chen-Min Chou   Hsin-Fang Li   Sih-Hong Chen   Yung-Chang Lin   Wei-Wei Chen   Zhi-Ting Tsai
108
Yu-Chieh Huang   Yu-Ting Chiu
109
Si-Lou Li   Li-Xuan Tsai
110
Jia-Cheng LI   Jing-Guang Chen   Bo-Sheng Li   Cheng-Hao Kao
111
Chao-An Shen   Yi-Chung Lin   Shao-Ting Chang   Jen-Wei Hsu
Ph.D.
109
Shih-En Chen
Honors
  1. Excellent Teaching Faculty Award, College of Electrical Engineering and Computer Science, NCKU,2021
  2. S.-K. Chang, S.-E. Chen：Bronze Award of Design Group, 20th Macronix Golden Silicon Awards, Taiwan, 2020
  3. Best Advisor Award, 20th Macronix Golden Silicon Awards, Taiwan, 2020
  4. Best Young Professional Member Award, IEEE Tainan Section,2019
  5. Future Science and Technology Breakthrough Award,MOST,2019
  6. Excellent Teaching Faculty Award, College of Electrical Engineering and Computer Science, NCKU,2019
  7. C.-M. Chou, S.-H. Chen : Design integrity of the Award, Analog Circuits Design Group, University/College IC Contest, Ministry of Education, Taiwan, 2018
  8. IEEE Tainan Section Macronix Award, 2018
  9. S.-K. chang : Winner of the SSCS 2017- 2018 Circuit Analysis and Design Contest
  10. S.-K. Chang, S.-E. Chen：Silver Award of Design Group, 17th Macronix Golden Silicon Awards, Taiwan, 2017
  11. C.-M. Chou：Best Design, CIC Outstanding Chip Design Award, 2017
  12. Best Advisor Award, 17th Macronix Golden Silicon Awards, Taiwan, 2017
  13. Outstanding Advanced Research Project Award, Ministry of Science and Technology, Taiwan, 2016
  14. Excellent Teaching Faculty Award, College of Electrical Engineering and Computer Science, NCKU, 2016
  15. S.-E. Chen, S.-K. Chang：Bronze Award, Technology and Engineering for New Generation (TENG) Prize, NCKUEE, 2016
  16. S.-E. Chen, S.-T. Yang：Excellence Award of Application Group, 16th Macronix Golden Silicon Awards, Taiwan, 2016
  17. Outstanding Project Award, Ministry of Science and Technology, Taiwan, 2015
  18. J.-S. Lin, P.-M. Chu, S.-K. Chang : Excellent Teaching Assistant Award, NCKUEE, 2015
  19. S.-E. Chen, Y.-H. Chiu : Design integrity of the Award, Analog Circuits Design Group, University/College IC Contest, Ministry of Education, Taiwan, 2015
  20. Best Student Paper Award, IEEE Radio Frequency Integrated Circuits (RFIC) Symp., 2009
  21. Graduate Student Travel Award, Graduate School's Fund for Excellence and Innovation, University of Washington, Seattle, 2008
  22. Outstanding Student Designer Award, Analog Devices Inc., 2008
  23. Second Place, VLSI Conference Poster Contest, Dept. of Electric Engineering, University of Washington, Seattle, 2006
  24. Lee Memorial Fellowship, College of Engineering, University of Washington, Seattle, 2005-2006
  25. Excellent Prize of Analog Circuit Design Group, University Integrated Circuit Design Contest, Taiwan, 2002
  26. Excellent Prize of Hard IP Design Group, University Silicon Intellectual Property Design Contest, Taiwan, 2002
  27. First Prize of Design Group, 2nd Semiconductor Design and Application Competition, Macronix Golden Silicon Awards, Taiwan, 2002
NCKU EE