Changjun Liu

School of Electronics and Information Engineering

Sichuan University

Microwave Wireless Power Transmission ---- MWPT.info

Email: cjliu@ieee.org

All papers may be downloaded here, Google Scholar, IEEE, or Research Gate

Publications

2024

1. Z. He, L. Yan, and C. Liu, "An Adaptive Power Division Strategy for Nonlinear Components in Rectification,"
  IEEE Transactions on Power Electronics, 2024 PDF download
2. S. Wang, Y. Zhao, X. Chen, and C. Liu, "A Novel Stability Improvement Method of S-Band Magnetron Systems Based on Its Anode Current Feature,"
  IEEE Transactions on Microwave Theory and Techniques, 2024 PDF download
3. H. Huang, B. Yang, N. Shinohara, and C. Liu, "Coherent Power Combining of Four-Way Injection-Locked 5.8-GHz Magnetrons Based on a Five-Port Hybrid Waveguide Combiner,"
  IEEE Transactions on Microwave Theory and Techniques, 2024 PDF download
4. S. Xiao, C. Liu, H. He, Y. Feng, and W. Che, "A Novel Class-F 2.45/5.8 GHz Dual-Band Rectifier for Wireless Power Transmission,"
  IEEE Microwave and Wireless Technology Letters, vol. 34, no. 1, pp. 107-110, Jan. 2024 PDF download
5. R. Fan, J. Mi, C. Liu, Terrestrial transparent green energy receiving system designed for Space Solar Power Station,
  Space Solar Power and Wireless Transmission, 2024 PDF download
6. C. Liao, Z. He, R. Tang, W. Zhang, C. Liu, C Wang, The Research on Microwave Drying Characteristics of Polyethylene Terephthalate Materials Based on Frequency and Power Tuning Technology,
  Processes 2024, 12 (7), 1488 PDF download
7. J. Mi, R. Fan, J. Jing, L. Yan, C. Liu, Radio-Frequency Energy Harvester for a Hybrid Power Supply with Constant Voltage Output to a Water Meter
  Progress in Electromagnetics Research Letters, 2024, 118, PDF download
8. R. Fan, J. Mi, J. Jing, L. Yan, C. Liu, Conformal Flexible Omnidirectional Rectenna Array Designed for Application in IoT Smart Water Meters
  PIER C 139, 159-166, 2024 PDF download
9. S. Wang, X. Chen, Y. Zhao, Z. He, H. He, H. Huang, L. Yan, C. Liu, Experimental Study of Realizing a Low-Noise Injection-Locked Magnetron Based on a Switch-Mode Power Supply
  2024 IEEE Wireless Power Technology Conference and Expo (WPTCE), 296-299 PDF download
10. J. Jing, L. Yan, C. Liu, All-Polarized Wideband Rectenna Array for Omnidirectional Wireless Energy Harvesting
  2024 IEEE Wireless Power Technology Conference and Expo (WPTCE), 429-432 PDF download
11. X. Jing, J. Jing, L. Yan, C. Liu, Microwave Wireless Power Transmission Inside a Closed Cavity Based on Novel Frequency Controlling
  Act Electronica Sinica, Vol. 52, Issue (7): 2257-2261, 2024. PDF download
12. Y. Zhao, S. Wang, Z. He, L. Yan, C Liu, Experimental Study of Magnetron’s Power-Pulled Characteristic to Realize a Quasi-Dual-Frequency Microwave Output
  Electronics 13 (7), 1323, 2024 PDF download
13. J. Li, L. Yan, C Liu, H. Bai, W. Cui, Design and Implementation of C-Band Large-Power Planar Butler Matrix in SRS
  Sensors 24 (7), 2132, 2024 PDF download
14. L. Tang, C. Wang, L. Yan, RXK Gao, X. Zhao, C. Liu, Optically transparent and angularly stable broad‐stopband frequency selective surface for millimeter wave electromagnetic interference mitigation
  Microwave and Optical Technology Letters 66 (2), e34078, 2024 PDF download

2023

1. D. Che, C. Liu, H. He, Z. H. Ren, and P. Wu, "Second- and Third-Harmonic Backscatter Through a Bandstop Filter Using Defected Ground Structure," PDF download
  IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 70, no. 11, pp. 4171-4175, Nov. 2023.
2. S. Wang, Y. Shen, C. Liao, J. Jing, and C. Liu, "A Novel Injection-Locked S-Band Oven Magnetron System Without Waveguide Isolators,"
  IEEE Transactions on Electron Devices, vol. 70, no. 4, pp. 1886-1893, April 2023, PDF download
3. D. Liu, L. Wang, Z. He, and C. Liu, "A Self-Packaged SISL Low-Power Rectifier Based on a High-Impedance Line for C-Band Applications,"
  IEEE Microwave and Wireless Technology Letters, vol. 33, no. 2, pp. 212-215, Feb. 2023, PDF download
4. C Liu, S Wang, L Yan, Injection-locked magnetron system based on filament injection
  US Patent 11,842,878 PDF download
5. S. Wang, Y. Zhao, Z. He, J. Lan, L. Yan, and C. Liu, "Experimental Study on Spurious Suppression Techniques of S-band Magnetrons,"
  2023 IEEE 7th International Symposium on Electromagnetic Compatibility (ISEMC), Hangzhou, China, 2023, pp. 1-3, PDF download
6. C. Zhang, S. Liu, H. Ni, R. Tan, C. Liu, L Yan, An Angle-Stable Ultra-Wideband Single-Layer Frequency Selective Surface Absorber
  Electronics 12 (18), 3776 PDF download
7. L. Jiang, C. Liu, S. Wang, X. Sun, J. Wu. A Weak Reverse Coupling Cascaded Injection-Locked VCO Array for Beam Scanning in Phased Arrays.
  Electronics 2023, 12(10), 2301. PDF download
8. J. Jing, J. Mi, H. Zhang, C. Liu, "An S-Band Compact Meander-Line Dual-Polarized Rectenna Array Design and Application Demonstration,"
  International Journal of RF and Microwave Computer-Aided Engineering, vol. 2023, Article ID 4878949, 6 pages, 2023. PDF
9. B. Wang, C. Liu, B. Yan, S. Jeon, X. Yang, Z. Zhang, Lightweight image super-resolution via overlapping back-projection feedback network for embedded devices,
  Microprocessors and Microsystems, Vol. 98, 2023, 104777 PDF
10. B. Wang, C. Liu, B. Yan, X. Yang, Lightweight Parallel Feedback Network for Image Super-Resolution
  Neural Processing Letters 55 (3), 3225-3243 PDF download
11. Z. He, X. Zhang, L. Yan, W. Che, C. Liu, Analysis of Low-Power Rectifiers Based on Tunnel Diode for Energy Harvesting
  2023 16th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies (UCMMT) PDF download
12. Z. Peng, L. Yan, C. Wang, X. Zhao and C. Liu, "Improvement of Field Uniformity in Microwave Heating Cavity Using beam-splitting Metasurface,"
  2023 XXXVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS), Sapporo, Japan, 2023, pp. 1-3, PDF download

2022

1. C. Liu, H. Lin, Z. He, and Z. Chen, "Compact Patch Rectennas Without Impedance Matching Network for Wireless Power Transmission,"
  IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 5, pp. 2882-2890, May 2022. PDF
2. H. He, H. Lin, P. Wu, Q. Li, and C. Liu, "Compact High Efficiency Broadband Rectifier Based on Coupled Transmission Line,"
  IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 69, no. 11, pp. 4404-4408, Nov. 2022. PDF
3. Z. Dan, Z. He, H. Lin, and C. Liu, "A Patch Rectenna With an Integrated Impedance Matching Network and a Harmonic Recycling Filter,"
  IEEE Antennas and Wireless Propagation Letters, vol. 21, no. 10, pp. 2085-2089, Oct. 2022. PDF
4. C. Liu, Z. He. Investigation on Rectifiers and Rectennas with Various Input Power Levels for the Applications of Space Solar Power Station.
  Advances in Astronautics Science and Technology, no. 5, 39–47, 2022. PDF
5. C. Shi, J. Zou, J. Gao, C. Liu. Gain Enhancement of a Dual-Band Antenna with the FSS.
  Electronics. 11(18):2882, 2022. PDF

2021

1. Z. He, J. Lan, and C. Liu, "Compact Rectifiers With Ultra-wide Input Power Range Based on Nonlinear Impedance Characteristics of Schottky Diodes,"
  IEEE Transactions on Power Electronics, vol. 36, no. 7, pp. 7407-7411, July 2021. PDF
2. X. Chen, B. Yang, N. Shinohara, and C. Liu, "Low-Noise Dual-Way Magnetron Power-Combining System Using an Asymmetric H-Plane Tee and Closed-Loop Phase Compensation,"
  IEEE Transactions on Microwave Theory and Techniques, vol. 69, no. 4, pp. 2267-2278, April 2021. PDF
3. H. Lin, X. Chen, Z. He, Y. Xiao, W. Che and C. Liu, "Wide Input Power Range X-Band Rectifier With Dynamic Capacitive Self-Compensation," IEEE Microwave and Wireless Components Letters, vol. 31, no. 5, pp. 525-528, May 2021, PDF
4. X. Sun, C. Liu, Y. -D. Chen, J. Jing, Z. He, and P. Wu, "Low-Power Wireless Uplink Utilizing Harmonic With an Integrated Rectifier–Transmitter,"
  IEEE Microwave and Wireless Components Letters, vol. 31, no. 2, pp. 200-203, Feb. 2021, doi: 10.1109/LMWC.2020.3043793. PDF
5. X. Lei, L. Ye, S. Li, C. Deng, C. Fan, X. Gui, B. Yan, C. Liu. A 5–bit CMOS attenuator with low temperature and process variations for Ka-band phased-array applications,
  Microwave and Optical Technology Letters, Vol. 63, no. 9, Sept. 2021, pp. 2370-2375 PDF

2020

1. X. Chen, B. Yang, N. Shinohara, and C. Liu, "Modeling and Experiments of an Injection-Locked Magnetron with Various Load Reflection Levels,"
  IEEE Transactions on Electron Devices, vol. 67, no. 9, pp. 3802-3808, Sept. 2020, PDF
2. X. Chen, B. Yang, N. Shinohara and C. Liu, "A High-Efficiency Microwave Power Combining System Based on Frequency-Tuning Injection-Locked Magnetrons,"
  IEEE Transactions on Electron Devices, vol. 67, no. 10, pp. 4447-4452, Oct. 2020, PDF
3. X. Chen, Z. Yu, H. Lin, X. Zhao, and C. Liu, "Improvements in a 20-kW Phase-Locked Magnetron by Anode Voltage Ripple Suppression,"
  IEEE Transactions on Plasma Science, vol. 48, no. 6, pp. 1879-1885, June 2020. PDF
4. Z. He and C. Liu, "A Compact High-Efficiency Broadband Rectifier with a Wide Dynamic Range of Input Power for Energy Harvesting,"
  IEEE Microwave and Wireless Components Letters, vol. 30, no. 4, pp. 433-436, April 2020. PDF
5. Z. He, H. Lin, H. Zhu, and C. Liu, "A Compact High-Efficiency Rectifier With a Simple Harmonic Suppression Structure,"
  IEEE Microwave and Wireless Components Letters, vol. 30, no. 12, pp. 1177-1180, Dec. 2020, PDF
6. Z. He, H. Lin, and C. Liu, "A Novel Class-C Rectifier With High Efficiency for Wireless Power Transmission,"
  IEEE Microwave and Wireless Components Letters, vol. 30, no. 12, pp. 1197-1200, Dec. 2020, PDF
7. Z. He, H. Lin, and C. Liu, "Codesign of a Schottky Diode's and Loop Antenna's Impedances for Dual-Band Wireless Power Transmission,"
  IEEE Antennas and Wireless Propagation Letters, vol. 19, no. 10, pp. 1813-1817, Oct. 2020, PDF
8. Z. Yu, L. Xu, and C. Liu, "Design of a Suspended Stripline Dual-Band Band-Stop Filter Loaded With Short-Ended Waveguide Stubs Embedded in the Metal Housing,"
  IEEE Microwave and Wireless Components Letters, vol. 30, no. 11, pp. 1025-1028, Nov. 2020, PDF.
9. L. Xu, B. Yan B, C. Liu. Broadband compact 180° phase shifter based on dumbbell-shaped slow wave line. Microwave Optical Technology Letter. 62:2857–2860, 2020
10. J. Jing, J. Pang, S. Wang, Z. Qiu, and C. Liu. A compact hollowed‐out loop rectenna without matching network for wireless sensor applications[J]. International Journal of RF and Microwave Computer‐Aided Engineering, 30:e22417, Oct. 2020.
11. X. Chen, B. Yang, X. Zhao, N. Shinohara, and C. Liu, "An Enhanced Large-Power S-band Injection-Locked Magnetron with Anode Voltage Ripple Inhibition,"
  2020 IEEE/MTT-S International Microwave Symposium (IMS), Los Angeles, CA, USA, 2020, pp. 37-40.

2019

1. Zhenlong Liu, Xiaojie Chen, Menglin Yang, Pengde Wu, Kama Huang, and Changjun Liu. Experimental Studies on a Four-Way Microwave Power Combining System Based on Hybrid Injection-Locked 20-kW S-Band Magnetrons[J].
  IEEE Transactions on Plasma Science, 2019, 47(1): 243-250.
2. Pengde Wu, Shao Ying Huang, Wenshen Zhou, Wenwei Yu, Zhenlong Liu, Xiaojie Chen, Changjun Liu, "Compact High-Efficiency Broadband Rectifier with Multi-Stage-Transmission-Line Matching,"
  IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 66, no. 8, pp. 1316-1320, Aug. 2019, doi: 10.1109/TCSII.2018.2886432.
3. A. Yan, L. Lin, C. Liu, J. Shi, S. Na, & L.V. Wang (2019). Microwave-induced thermoacoustic tomography through an adult human skull” Medical Physics 46(4):1793-1797, 2019, 13439.
4. Wu P, Chen X, Lin H, Liu C. High-Efficiency Rectifier with Wide Input Power Rage Based on a Small Capacitor in Parallel with the Diode，2019 IEEE MTT-S International Microwave Symposium (IMS), Boston

2018

1. Pengde Wu, Shaoying Huang, Wenshen Zhou, Zhihua Ren, Zhenlong Liu, Kama Huang, Changjun Liu, High-Efficient Rectifier With Extended Input Power Range Based on Self-Tuning Impedance Matching, PDF
  IEEE Microwave and Wireless Components Letters, Volume: 28, Issue: 12, Page(s): 1116 – 1118, Dec. 2018
2. Pengde Wu, Shaoying Huang, Wenshen Zhou, Changjun Liu, One Octave Bandwidth Rectifier With a Frequency Selective Diode Array, PDF
  IEEE Microwave and Wireless Components Letters, 2018, Vol. 28, no. 11: 1008-1010
3. Zhenlong Liu, Xiaojie Chen, Menglin Yang, Kama Huang, and Changjun Liu, Experimental Studies on a 1-kW High-Gain S-Band Magnetron Amplifier With Output Phase Control Based on Load–Pull Characterization. PDF
  IEEE Transactions on Plasma Science, Vol. 46, No. 4: 909-916, April 2018
4. Heping Huang, Kama Huang, Changjun Liu. Experimental Study on the Phase Deviation of 20-kW S-Band CW Phase-Locked Magnetrons.
  IEEE Microwave Wireless Components Letters, Vol. 28, no. 6:509-511, 2018
5. Wan Jiang, Changjun Liu, Ka-Band Dual-Frequency Single-Slot Antenna Based on Substrate Integrated Waveguide,
  IEEE Antennas and Wireless Propagation Letters, Volume: 17, Issue: 2, Feb. 2018, Page(s): 221 – 224
6. Zhenlong Liu, Xiaojie Chen, Wan Jiang, Pende Wu, Menglin Yang, Kama Huang, Changjun Liu, Phase-Shifterless Power Controlled Combining Based on 20-kW S-Band Magnetrons With an Asymmetric Injection,
  IEEE Electron Device Letters, 2018 Vol. 39, no. 9:1425-1428
7. An Yan, Li Lin, Shuai Na, Changjun Liu, Lihong V. Wang, Large field homogeneous illumination in microwave-induced thermoacoustic tomography based on a quasi-conical spiral antenna.
  Applied Physics Letters 113, 123701 (2018); https://doi.org/10.1063/1.5043541
8. Zhao, Y., Zhao, X., Yan, L., Liu, C., Huang, K., Liu, Q., & Zhou, H. (2018, May). Analysis of field-to-transmission line coupling inside a reverberation chamber based on mode expansion method. In the 2018 IEEE International Symposium on Asia-Pacific Symposium on Electromagnetic Compatibility (EMC/APEMC) (pp. 84-87). IEEE.
9. Chen, X., Lin, H., Liu, Z., Huang, K., & Liu, C. (2018, November). Study on a Frequency-Stabilized Power-Adjustable Magnetron. In 2018 Asia-Pacific Microwave Conference (APMC) (pp. 1139-1141). IEEE.

2017

1. F Tan, C Liu, Theoretical and experimental development of a high-conversion-efficiency rectifier at X-band PDF
  International Journal of Microwave and Wireless Technologies 9 (5), 985-994, 2017

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