[1] L. Chen, W. Chen, X. Chen, J. Chu and Z. Feng, "A Complexity-Reduced Harmonic-Cancellation Digital Predistortion for HF Transmitters," in IEEE Microwave and Wireless Components Letters, vol. 31, no. 5, pp. 529-532, May 2021.
[2] G. Lv, W. Chen, X. Chen, F. M. Ghannouchi and Z. Feng, "A Fully Integrated 47.6% Fractional Bandwidth GaN MMIC Distributed Efficient Power Amplifier With Modified Input Matching and Power Splitting Network," in IEEE Transactions on Microwave Theory and Techniques, vol. 69, no. 6, pp. 3132-3145, June 2021.
[3] D. Wang, W. Chen, X. Chen, X. Liu, F. M. Ghannouchi and Z. Feng, "A 24-29.5 GHz Voltage-Combined Doherty Power Amplifier Based on Compact Low-Loss Combiner," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 68, no. 7, pp. 2342-2346, July 2021.
[4] L. Chen, W. Chen, Y. Liu, X. Chen and F. M. Ghannouchi, "Hybrid Harmonic Cancellation Digital Predistortion With a Feedback Loop Compensation," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 68, no. 6, pp. 2222-2226, June 2021.
[5] L. Chen, W. Chen, X. Chen, Y. Liu and F. M. Ghannouchi, "Linearization of Multi-Octave Power Amplifiers with Strong Memory Effects," 2020 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO), Hangzhou, China, 2020, pp. 1-4.
[6] D. Wang, W. Chen, X. Chen, F. M. Ghannouchi and Z. Feng, "A Broadband Millimeter-Wave Continuous-Mode Class-F Power Amplifier Based on the Deembedded Transistor Model," in IEEE Microwave and Wireless Components Letters, vol. 30, no. 6, pp. 609-612, June 2020.
[7] L. Chen, W. Chen, Y. Liu, X. Chen, F. M. Ghannouchi and Z. Feng, "A Robust and Scalable Harmonic Cancellation Digital Predistortion Technique for HF Transmitters," in IEEE Transactions on Microwave Theory and Techniques, vol. 68, no. 7, pp. 2796-2807, July 2020.
[8] X. Chen, W. Chen, F. M. Ghannouchi and Z. Feng, "The Nested-Mode Power Amplifiers for Highly Efficient Multi-Octave Applications," in IEEE Transactions on Microwave Theory and Techniques, vol. 67, no. 12, pp. 5114-5126, Dec. 2019.
[9] Y. Wang, W. Chen and X. Chen, "Highly Linear and Magnetless Isolator Based on Weakly Coupled Nonreciprocal Metamaterials," in IEEE Transactions on Microwave Theory and Techniques, vol. 67, no. 11, pp. 4322-4331, Nov. 2019.
[10] X. Chen, W. Chen, Z. Feng and F. M. Ghannouchi, "A 10-3100 MHz Nested-mode Highly Efficient Power Amplifier for Multi-Octave Applications," 2019 IEEE MTT-S International Microwave Symposium (IMS), Boston, MA, USA, 2019, pp. 702-705.
[11] G. Lv, W. Chen, X. Chen, F. M. Ghannouchi and Z. Feng, "A Compact Ka/Q Dual-Band GaAs MMIC Doherty Power Amplifier With Simplified Offset Lines for 5G Applications," in IEEE Transactions on Microwave Theory and Techniques, vol. 67, no. 7, pp. 3110-3121, July 2019.
[12] H. Xiong, W. Chen, L. Chen, X. Chen and Z. Feng, "A High Efficiency Asymmetric Doherty Power Amplifier Using Symmetric Devices for 5G Application," 2018 International Conference on Microwave and Millimeter Wave Technology (ICMMT), Chengdu, China, 2018, pp. 1-3.
[13] G. Lv, W. Chen, X. Chen and Z. Feng, "An Energy-Efficient Dual-Band Power Amplifier MMIC in 0.1- GaAs Process," in IEEE Microwave and Wireless Components Letters, vol. 28, no. 6, pp. 530-532, June 2018.
[14] X. Chen, W. Chen, Q. Zhang, F. M. Ghannouchi and Z. Feng, "A 200 watt broadband continuous-mode doherty power amplifier for base-station applications," 2017 IEEE MTT-S International Microwave Symposium (IMS), Honololu, HI, USA, 2017, pp. 1110-1113.
[15] X. Chen, W. Chen, F. Huang, F. M. Ghannouchi, Z. Feng and Y. Liu, "Systematic Crest Factor Reduction and Efficiency Enhancement of Dual-Band Power Amplifier Based Transmitters," in IEEE Transactions on Broadcasting, vol. 63, no. 1, pp. 111-122, March 2017.
[16] W. Chen, X. Chen and Z. Wang, "Broadband doherty power amplifier and linearization," 2016 46th European Microwave Conference (EuMC), London, UK, 2016, pp. 961-964.
[17] Wenhua Chen, Xiaofan Chen, Zonghao Wang and Zhenghe Feng, "Energy-efficient broadband Doherty power amplifier for carrier aggregation," 2016 IEEE International Conference on Microwave and Millimeter Wave Technology (ICMMT), Beijing, China, 2016, pp. 781-781.
[18] X. Chen, W. Chen, F. M. Ghannouchi, Z. Feng and Y. Liu, "A Broadband Doherty Power Amplifier Based on Continuous-Mode Technology," in IEEE Transactions on Microwave Theory and Techniques, vol. 64, no. 12, pp. 4505-4517, Dec. 2016.
[19] Xiaofan Chen, Wenhua Chen, F. M. Ghannouchi and Zhenghe Feng, "A 1.1GHz bandwidth, 46%–62% efficiency Continuous Mode Doherty Power Amplifier," 2016 IEEE MTT-S International Microwave Symposium (IMS), San Francisco, CA, USA, 2016, pp. 1-4.
[20] W. Chen, X. Chen, S. Zhang and Z. Feng, "Energy-efficient concurrent dual-band transmitter for multistandard wireless communications," 2014 Asia-Pacific Microwave Conference, Sendai, Japan, 2014, pp. 558-560.
[21] W. Chen, X. Chen, S. Zhang and Z. Feng, "Energy-efficient power amplifier techniques for TD-SCDMA and TD-LTE multi-standard wireless communications," 2014 XXXIth URSI General Assembly and Scientific Symposium (URSI GASS), Beijing, China, 2014, pp. 1-4.
[22] S. Zhang, G. Su, X. Chen and W. Chen, "Extraction of wideband behavioral model of power amplifier with multi groups of narrow band signals," 2014 IEEE International Wireless Symposium (IWS 2014), Xi'an, China, 2014, pp. 1-4.
[23] X. Chen, W. Chen, Gongzhe Su, F. M. Ghannouchi and Z. Feng, "A concurrent dual-band 1.9–2.6-GHz Doherty power amplifier with Intermodulation impedance tuning," 2014 IEEE MTT-S International Microwave Symposium (IMS2014), Tampa, FL, USA, 2014, pp. 1-4.
[24] W. Chen, X. Chen, G. Su, S. Zhang and F. M. Ghannouchi, "Advanced power amplifier technologies for multistandard and broadband wireless communications," 2014 International Workshop on Integrated Nonlinear Microwave and Millimetre-wave Circuits (INMMiC), Leuven, Belgium, 2014, pp. 1-3.
[25] X. Chen, W. Chen, F. M. Ghannouchi and Z. Feng, "A novel design method of concurrent dual-band power amplifiers including impedance tuning at inter-band modulation frequencies," 2013 IEEE MTT-S International Microwave Symposium Digest (MTT), Seattle, WA, USA, 2013, pp. 1-4.
[26] X. Chen, W. Chen, F. M. Ghannouchi, Z. Feng and Y. Liu, "Enhanced Analysis and Design Method of Concurrent Dual-Band Power Amplifiers With Intermodulation Impedance Tuning," in IEEE Transactions on Microwave Theory and Techniques, vol. 61, no. 12, pp. 4544-4558, Dec. 2013.
[27] X. Chen and W. Chen, "A novel broadband Doherty power amplifier with post-matching structure," 2012 Asia Pacific Microwave Conference Proceedings, Kaohsiung, Taiwan, 2012, pp. 370-372.