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Latest Publications

Journal Publications

  1. H. Yin and A. Zhu, "Pareto-Optimal Multimetric Model Extraction for Digital Predistortion of RF Power Amplifiers for Error Spectrum Redistribution," in IEEE Transactions on Microwave Theory and Techniques, doi: (opens in a new window)10.1109/TMTT.2024.3467250.
  2. H. Yin and A. Zhu, "Combined Kernel Function and Coefficient Sharing for Digital Predistortion of RF Power Amplifiers With Dynamic Resource Block Allocation," in IEEE Transactions on Microwave Theory and Techniques, doi: (opens in a new window)10.1109/TMTT.2024.3450718.
  3. R. Liu et al., "A 24-to-28-GHz Asymmetric GaN MMIC Doherty Power Amplifier With 32% PAE at 8-dB Back-Off Using Optimal Phase Dispersion Inverter," in IEEE Microwave and Wireless Technology Letters, vol. 34, no. 10, pp. 1174-1177, Oct. 2024, doi: (opens in a new window)10.1109/LMWT.2024.3450752.
  4. H. Jia, R. Liu, Q. Wu and A. Zhu, "A 26-GHz GaN MMIC Load-Modulated Balanced Amplifier With Miniaturized Dual-Loop Coupler," in IEEE Transactions on Microwave Theory and Techniques, doi: (opens in a new window)10.1109/TMTT.2024.3421941.
  5. R. Liu, L. Qi and A. Zhu, "A Linearity-Improved 24–29-GHz GaN MMIC Doherty Power Amplifier With Reconfigurable Self-Adaptive Peaking Gate Bias Network," in IEEE Transactions on Microwave Theory and Techniques, doi: (opens in a new window)10.1109/TMTT.2024.3409944.
  6. J. Pang et al., "Dual-Mode Three-Way Doherty Power Amplifier With Extended High-Efficiency Range Against Load Mismatch," in IEEE Transactions on Microwave Theory and Techniques, doi: (opens in a new window)10.1109/TMTT.2023.3344431.
  7. H. Yin and A. Zhu, "Iterative Multimetric Model Extraction for Digital Predistortion of RF Power Amplifiers Using Enhanced Quadratic SPSA," in IEEE Transactions on Microwave Theory and Techniques, vol. 72, no. 3, pp. 1503-1514, March 2024, doi: (opens in a new window)10.1109/TMTT.2023.3305181.
  8. X. Chen, Y. Hu, T. Siriburanon, J. Du, R. B. Staszewski and A. Zhu, "A 30-GHz Class-F Quadrature DCO Using Phase Shifts Between Drain–Gate–Source for Low Flicker Phase Noise and I/Q Exactness," in IEEE Journal of Solid-State Circuits, vol. 58, no. 7, pp. 1945-1958, July 2023, doi: (opens in a new window)10.1109/JSSC.2023.3237788.
  9. C. Chu, J. Pang, R. Darraji, S. K. Dhar, T. Sharma and A. Zhu, "Broadband Sequential Load Modulated Balanced Amplifier With Extended Design Space Using Second Harmonic Manipulation," in IEEE Transactions on Microwave Theory and Techniques, vol. 71, no. 5, pp. 1990-2003, May 2023, doi: (opens in a new window)10.1109/TMTT.2022.3226440.
  10. C. Chu, V. Tamrakar, S. K. Dhar, T. Sharma, J. Mukherjee and A. Zhu, "High-Efficiency Class-iF−1 Power Amplifier With Enhanced Linearity," in IEEE Transactions on Microwave Theory and Techniques, vol. 71, no. 5, pp. 1977-1989, May 2023, doi: (opens in a new window)10.1109/TMTT.2022.3224132.
  11. E. Kobal, T. Siriburanon, R. B. Staszewski and A. Zhu, "A Compact, Low-Power, Low-NF, Millimeter-Wave Cascode LNA With Magnetic Coupling Feedback in 22-nm FD-SOI CMOS for 5G Applications," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 70, no. 4, pp. 1331-1335, April 2023, doi: (opens in a new window)10.1109/TCSII.2022.3224412.
  12. G. Fontanesi, A. Zhu, M. Arvaneh and H. Ahmadi, "A Transfer Learning Approach for UAV Path Design With Connectivity Outage Constraint," in IEEE Internet of Things Journal, vol. 10, no. 6, pp. 4998-5012, March 2023, doi: (opens in a new window)10.1109/JIOT.2022.3220981.
  13. R. Quaglia, J. Pang, S. C. Cripps and A. Zhu, "Load-Modulated Balanced Amplifier: From First Invention to Recent Development," in IEEE Microwave Magazine, vol. 23, no. 12, pp. 60-70, Dec. 2022, doi: (opens in a new window)10.1109/MMM.2022.3203940.
  14. T. Kobal and A. Zhu, "Digital Predistortion of RF Power Amplifiers With Decomposed Vector Rotation-Based Recurrent Neural Networks," in IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 11, pp. 4900-4909, Nov. 2022, doi: (opens in a new window)10.1109/TMTT.2022.3209658.
  15. E. Kobal, T. Siriburanon, X. Chen, H. M. Nguyen, R. B. Staszewski and A. Zhu, "A Gm-Boosting Technique for Millimeter-Wave Low-Noise Amplifiers in 28-nm Triple-Well Bulk CMOS Using Floating Resistor in Body Biasing," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 69, no. 12, pp. 5007-5017, Dec. 2022, doi: (opens in a new window)10.1109/TCSI.2022.3200161.
  16. E. Kobal, R. -J. Liu, C. Yu and A. Zhu, "A High Isolation, Low-Profile, Triple-Port SIW Based Annular Slot Antenna for Millimeter-Wave 5G MIMO Applications," in IEEE Access, vol. 10, pp. 89458-89464, 2022, doi: (opens in a new window)10.1109/ACCESS.2022.3201143.
  17. T. Kobal, Y. Li, X. Wang and A. Zhu, "Digital Predistortion of RF Power Amplifiers With Phase-Gated Recurrent Neural Networks," in IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 6, pp. 3291-3299, June 2022, doi: (opens in a new window)10.1109/TMTT.2022.3161024.
  18. X. Wang, Y. Li and A. Zhu, "Digital Predistortion Using Extended Magnitude- Selective Affine Functions for 5G Handset Power Amplifiers With Load Mismatch," in IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 5, pp. 2825-2834, May 2022, doi: (opens in a new window)10.1109/TMTT.2022.3152766.
  19. S. Sadeghi-Marasht, M. S. Sharawi and A. Zhu, "Dual-Band Circularly Polarized Antenna Array for 5G Millimeter-Wave Applications," in IEEE Open Journal of Antennas and Propagation, vol. 3, pp. 314-323, 2022, doi: (opens in a new window)10.1109/OJAP.2022.3158226.
  20. R. Gao et al., "Dual-Band Three-Way Doherty Power Amplifier Employing Dual-Mode Gate Bias and Load Compensation Network," in IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 4, pp. 2328-2340, April 2022, doi: (opens in a new window)10.1109/TMTT.2022.3149379.
  21. J. Pang et al., "Broadband GaN MMIC Doherty Power Amplifier Using Continuous-Mode Combining for 5G Sub-6 GHz Applications," in IEEE Journal of Solid-State Circuits, vol. 57, no. 7, pp. 2143-2154, July 2022, doi: (opens in a new window)10.1109/JSSC.2022.3145349.
  22. H. M. Nguyen, J. S. Walling, A. Zhu and R. B. Staszewski, "A mm-Wave Switched-Capacitor RFDAC," in IEEE Journal of Solid-State Circuits, vol. 57, no. 4, pp. 1224-1238, April 2022, doi: (opens in a new window)10.1109/JSSC.2022.3142718.
  23. Y. Li, X. Wang and A. Zhu, "Reducing Power Consumption of Digital Predistortion for RF Power Amplifiers Using Real-Time Model Switching," in IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 3, pp. 1500-1508, March 2022, doi: (opens in a new window)10.1109/TMTT.2021.3132347.
  24. X. Chen, Y. Hu, T. Siriburanon, J. Du, R. B. Staszewski and A. Zhu, "Flicker Phase-Noise Reduction Using Gate–Drain Phase Shift in Transformer-Based Oscillators," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 69, no. 3, pp. 973-984, March 2022, doi: (opens in a new window)10.1109/TCSI.2021.3131968.
  25. X. Wang et al., "Digital Predistortion of 5G Multiuser MIMO Transmitters Using Low-Dimensional Feature-Based Model Generation," in IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 3, pp. 1509-1520, March 2022, doi: (opens in a new window)10.1109/TMTT.2021.3129777.
  26. C. Chu et al., "Waveform Engineered Sequential Load Modulated Balanced Amplifier With Continuous Class-F−1 and Class-J Operation," in IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 2, pp. 1269-1283, Feb. 2022, doi: (opens in a new window)10.1109/TMTT.2021.3123678.
  27. Y. Hu et al., "A Charge-Sharing Locking Technique With a General Phase Noise Theory of Injection Locking," in IEEE Journal of Solid-State Circuits, vol. 57, no. 2, pp. 518-534, Feb. 2022, doi: (opens in a new window)10.1109/JSSC.2021.3106237.
  28. J. Du et al., "A Compact 0.2–0.3-V Inverse-Class-F23 Oscillator for Low 1/f3 Noise Over Wide Tuning Range," in IEEE Journal of Solid-State Circuits, vol. 57, no. 2, pp. 452-464, Feb. 2022, doi: (opens in a new window)10.1109/JSSC.2021.3098770.
  29. A. Brihuega, M. Abdelaziz, L. Anttila, Y. Li, A. Zhu and M. Valkama, "Mixture of Experts Approach for Piecewise Modeling and Linearization of RF Power Amplifiers," in IEEE Transactions on Microwave Theory and Techniques, vol. 70, no. 1, pp. 380-391, Jan. 2022, doi: (opens in a new window)10.1109/TMTT.2021.3098867.
  30. G. R. Nikandish, A. Nasri, A. Yousefi, A. Zhu and R. B. Staszewski, "A Broadband Fully Integrated Power Amplifier Using Waveform Shaping Multi-Resonance Harmonic Matching Network," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 69, no. 1, pp. 2-15, Jan. 2022, doi: (opens in a new window)10.1109/TCSI.2021.3095708.

Conference Publications

  1. R. Liu, S. Veisee, H. Jia and A. Zhu, "A Linearity-Enhanced mm-Wave GaN MMIC Power Amplifier with Inter-Stage AM/AM Compensation and AM/PM Cancellation," 2024 25th International Microwave and Radar Conference (MIKON), Wroclaw, Poland, 2024, pp. 37-41, doi: (opens in a new window)10.23919/MIKON60251.2024.10633933.
  2. H. Yin and A. Zhu, "Adaptive Kernel Function Sharing for Digital Predistortion of RF Power Amplifiers with Dynamic Resource Block Allocation," 2024 IEEE/MTT-S International Microwave Symposium - IMS 2024, Washington, DC, USA, 2024, pp. 645-648, doi: (opens in a new window)10.1109/IMS40175.2024.10600215.
  3. Q. Luo and A. Zhu, "Widen Linearization Angle of Beamforming Arrays With Semi-Partitioned Digital Predistortion," 2023 IEEE/MTT-S International Microwave Symposium - IMS 2023, San Diego, CA, USA, 2023, pp. 267-270, doi: (opens in a new window)10.1109/IMS37964.2023.10187975.
  4. H. Jia, Y. Wang and A. Zhu, "A 52-67GHz Ultra-Compact Bi-directional Gate-switching Cascode Amplifier with Tri-coil Broadband Matching in 40-nm CMOS," 2023 IEEE Custom Integrated Circuits Conference (CICC), San Antonio, TX, USA, 2023, pp. 1-2, doi: (opens in a new window)10.1109/CICC57935.2023.10121214.
  5. H. Yin, C. Chu and A. Zhu, "Accelerating Model Adaptation of Multi-Metric Digital Predistortion for RF Power Amplifiers Using Composited Quadratic Loss Function," 2022 52nd European Microwave Conference (EuMC), Milan, Italy, 2022, pp. 345-348, doi: (opens in a new window)10.23919/EuMC54642.2022.9924278.
  6. C. Chu, T. Sharma, S. K. Dhar, R. Darraji and A. Zhu, "Investigation of Input Nonlinearity in Sequential Load Modulated Balanced Amplifiers," 2022 IEEE/MTT-S International Microwave Symposium - IMS 2022, Denver, CO, USA, 2022, pp. 414-417, doi: (opens in a new window)10.1109/IMS37962.2022.9865491.
  7. X. Chen et al., "A Digital-to-Time Converter Based on Crystal Oscillator Waveform Achieving 86-fs Jitter in 22-nm FD-SOI CMOS," 2022 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), Denver, CO, USA, 2022, pp. 319-322, doi: (opens in a new window)10.1109/RFIC54546.2022.9863080.
  8. C. Chu, T. Sharma, S. K. Dhar, R. Darraji, J. Pang and A. Zhu, "Phase Compensated Sequential Load Modulated Balanced Amplifier Using Harmonically Tuned Control Amplifier," 2021 51st European Microwave Conference (EuMC), London, United Kingdom, 2022, pp. 346-349, doi: (opens in a new window)10.23919/EuMC50147.2022.9784295.
  9. C. Chu, S. K. Dhar, T. Sharma and A. Zhu, "Class-iF−1: Linearity Enhanced High Efficiency Power Amplifier," 2022 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications (PAWR), Las Vegas, NV, USA, 2022, pp. 39-41, doi: (opens in a new window)10.1109/PAWR53092.2022.9719742.
  10. S. Sadeghi-Marasht, M. S. Sharawi and A. Zhu, "A Millimeter-Wave Multilayer Lens Antenna for Circularly Polarized Applications," 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI), Singapore, Singapore, 2021, pp. 1996-1997, doi: (opens in a new window)10.1109/APS/URSI47566.2021.9703747.
  11. G. Fontanesi, A. Zhu and H. Ahmadi, "Deep Reinforcement Learning for Dynamic Band Switch in Cellular-Connected UAV," 2021 IEEE 94th Vehicular Technology Conference (VTC2021-Fall), Norman, OK, USA, 2021, pp. 1-5, doi: (opens in a new window)10.1109/VTC2021-Fall52928.2021.9625502

*The full list of publications can be found from Professor Anding Zhu's profile page: (opens in a new window)https://people.ucd.ie/anding.zhu/publications

Contact Us

RF and Microwave Research Group, School of Electrical and Electronic Engineering, University College Dublin, Belfield, Dublin 4, Ireland.
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