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Faculty DataBase - FDB5

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Wentai Liu, Ph.D.

   
Distinguished Professor, Bioengineering
Member, California NanoSystems Institute

Education:
Degrees:
Ph.D., University of Michigan at Ann Arbor, 1983
M.S., National Taiwan University, 1971 - 1973
B.S., National Chiao-Tung University, 1967 - 1971

Honors and Awards:
IEEE, IEEE Outstanding Paper Awards
Alcoa Foundation, Alcoa Foundation's Distinguished Engineering Research Award
NASA, NASA Group Achievement Award
National Chiao-Tung University, Outstanding Alumni Award
2010 Popular Mechanics, Popular Mechanics Breakthrough Award
2009 R&D Magazine, RD-100 Award

Certifications:
Certification Type:
National Chiao-Tung University, Chair Professorship and Founder/Honorary Director of Biomimetic Systems Research Center
IEEE-MTT Special Issue of Wireless IC for Biomedical Applications, Guest Editor
IEEE Transactions on Biomedical Engineering, Associate Editor
IEEE Proceedings Special Issue of Biomimetic Systems, Guest Editor

Contact Information:
Work Email Address: wentai@ucla.edu
Office Address: Office
5121D Engineering V
BOX 951600
Los Angeles, CA 90095
UNITED STATES
Work: http://www.seas.ucla.edu/IBR
Office: http://www.bioeng.ucla.edu/people/faculty/Faculty/wentai-liu-phd
Office Phone Number: 310-825-9128

Selected Publications:

M. Chae, Z. Yang, W. Liu, A 128-Channel 6mW Wireless Neural Recording IC with On-the-fly Spike Sorting and UWB transmitter, IEEE Trans. on Neural Engineering and Rehabilitation Engineering, 14 (9), 2009.
Xu, X. Wu, K. Islam, X. Huang, M. Je, W. Liu, and Z. Yang, A New System Architecture for Future Long-Term High-Density Neural Recording, IEEE Trans. On Biomedical Engineering, 2012.
W. Liu, et al., An experimental platform for retinal prosthesis – system perspective and performance evaluation, IEEE Trans. on Biomedical Circuits and Systems, 2012.
G. Wang, P. Wang, Y. Tang, and W. Liu, Analysis of dual band power and data telemetry for biomedical implants, IEEE Trans. on Biomedical Circuits and Systems, 2012.
Z. Yang, M. Keshtkaran, Y. Zhou, J. Xu, V. Pikov, C. Guan, and W. Liu, Threshold Estimation for In-Vivo Neural Spike Detection, Journal of Neural Engineering, 2012.
Z. Yang, E. Keefer, Q. Zhao, L. Hoang, and W. Liu, 1/f Neural Noise Reduction and Spike Feature Extraction using a Subset of Informative Samples, Annals of Biomedical Engineering, 2011, 39 (4), 1264-1277.
K. Huang, Y. Zhou, X. Wu, W. Liu, and Zhi Yang, Design and Optimization of Inductive Power Link for Biomedical Applications, Intech, 2011.
K. Chen, Z. Yang, L. Hoang, J. Weiland, M. Humayun and W. Liu , An Integrated 256-channel Epiretinal Prosthesis, IEEE J. of Solid State Circuits, 2010, 45 (9).
Z. Yang, Q. Zhao, E. Keefer and W. Liu, Noise Characterization, Modeling, and Reduction for In Vivo Neural Recording, Advances in Neural Information Processing Systems , 2010, 2160-2168.
E. Basham, Z. Yang, and W. Liu, Circuit and Coil Design for In Vitro Magnetic Neural Stimulation Systems, IEEE Transactions on Biomedical Circuits and Systems (TBCAS), 2009, 3, 321-331.
Z. Yang, Q. Zhao and W. Liu, Improving Spike Separation Using Waveform Derivative, Journal of Neural Engineering, 2009, 6 (4).
A. Rosen, W. Liu, and M. Tohgi, MTT Special Issue on RF and Microwave Techniques for Wireless Implants and Biomedical Applications: Guest Editorial, IEEE Trans. on Microwave Theory and Techniques, 2009, 57 (9).
Z. Yang, Q. Zhao and W. Liu, Neural Signal Classification Using a Simplified Feature Set with Energy Based Non-parametric Clustering, Neurocomputing, 2009, 73, 412-422.
Z. Yang, Q. Zhao and W. Liu, Spike Feature Extraction Using Informative Samples, Spotlight presentation, Advances in Neural Information Processing Systems (NIPS21), 2009, 1865-1872.
M. Zhou and W. Liu, A Non-Coherent DPSK Data Receiver with Interference Cancellation for Dual-Band Transcutaneous Telemetries, IEEE Journal of Solid-State Circuits, 2008.
M. Chae, and W. Liu, , Design Optimization for Integrated Neural Recording Systems, IEEE Journal of Solid-State Circuits, 2008.
W. Liu, M. Humayun, and M. Liker, Implantable Biomimetic Microelectronics Systems, IEEE Proceedings, 2008, 96 (7), 1073-1075.
W. Liu, M. Humayun, and M. Liker, Special Issue on Implantable Biomimetic Microelectronics Systems: Guest Editorial, Proceeding of IEEE, 2008, 96 (7).
K. Cockerham, W. Liu, L. Crow, M. Sivaprakasam, A. Olmos, M. Oehleberg, O. Pantchenko and S. Aro, , The Application of Nano-Technology and Engineering in Medicine: A New Paradigm for Facial Muscle Reanimation, Expert Review of Medical Devices, 2008.
K. Cockerham, W. Liu, L. Crow, M. Sivaprakasam, A. Olmos, M. Oehleberg, O. Pantchenko and S. Aro, , The Application of Nano-Technology and Engineering in Medicine: A New Paradigm for Facial Muscle Reanimation, Expert Review of Medical Devices, 2008.
M. R. Yuce and W. Liu, Design and performance of a wideband sub-sampling front-ends for multi-standard software radios, International Journal of Electronics and Communications Elsevier, 2007.
Z.Yang, W. Liu and E. Basham, Optimization of Coils for Biomedical Applications,”, IEEE Transactions on Magnetics, 2007, 43, 3851-3860.
M. R. Yuce, W. Liu, J. Damiano, B. Bharat, P. D. Franzon and N. S. Dogan, SOI CMOS implementation of a multirate PSK receiver for space communications, IEEE Transactions on Circuits and Systems I, 2007.
R. Bashirullah, W. Liu, and R. Cavin, A 16Gb/s Adaptive Bandwidth Bus Based on Hybrid Current/Voltage Mode Signaling Repeaters, IEEE Journal of Solid-State Circuits, 2006, 41, 461-473.
W. Liu and M. Sivaprakasam, IC Technology Challenges for Implantable Devices, Future Fab International, 2006, 20, 17-19.
M. Sivaprakasam, W. Liu, M. S. Humayun, and J. D. Weiland, A Variable Range Bi-Phasic Current Stimulus Driver Circuitry for an Implantable Retinal Prosthetic Device, IEEE Journal of Solid-State Circuit, 2005, 40, 763 – 771.
M. Yuce, W. Liu, A low power multirate DPSK receiver for space applications, IEEE Transactions on Vehicular Technology, 2005, 54 (2074-2084).
G. A. Kendir, W. Liu, G. Wang, M. Sivaprakasam, R. Bashirullah, M. S. Humayun, and J. D. Weiland, An Optimal Design Methodology for Inductive Power Link with Class-E Amplifier, IEEE Transactions on Circuits and Systems – I, 2005, 52, 857 – 866.
M. Sivaprakasam, W. Liu, G. Wang, J. D. Weiland, and M. S. Humayun, Architecture Tradeoffs in High Density Microstimulators for Retinal Prosthesis, IEEE Transactions on Circuits and Systems – I, Special Issue on Biomedical Circuits and Systems, 2005, 52, 2629-2641.
M. Sivaprakasam, W. Liu, G. Wang, J. D. Weiland, and M. S. Humayun, Architecture Tradeoffs in High Density Microstimulators for Retinal Prosthesis, IEEE Transactions on Circuits and Systems – I, Special Issue on Biomedical Circuits and Systems, 2005, 52, 2629-2641.
G. Wang, W. Liu, M. Sivaprakasam, and G. A. Kendir, Design and Analysis of an Adaptive Transcutaneous Power Telemetry for Biomedical Implants, IEEE Transactions on Circuits and Systems – I, 2005, 52, 857-866.
W. Liu, M. Sivaprakasam, G. Wang, M. Zhou, J. Granacki, J. LaCoss, J. Wills, Microelectronics Design for Implantable Wireless Biomimetic Microelectronic Systems, IEEE Engineering in Medicine and Biology Magazine, 2005, 24, 66 – 74.
J. D. Weiland, W. Liu and M. Humayun, Retinal Prosthesis, Annual Review of Biomedical Engineering, 2005, 7.
R. Bashirullah, W. Liu, R. Cavin, and D. Edwards, “A Hybrid Current/Voltage Mode On-Chip Signaling Scheme With Adaptive Bandwidth Capability, IEEE Transactions on Very Large Scale Integration (VLSI) Systems, 2004, 12, 876-880.
S. DeMarco, W. Liu, P. R. Singh, G. Lazzi, M. Humayun, J. Weiland, An Arbitrary Waveform Stimulus Circuit for Visual Prostheses using a Low Area Multibias DAC, IEEE Journal of Solid State Circuits, 2003.
S. C. Demarco, G. Lazzi, W. Liu, J. D. Weiland, and M. S. Humayun, Computed SAR and Thermal Elevation in a 0.25-mm 2-D Model of the Human Eye and Head in Response to an Implanted Retinal Stimulator – Part I: Models and Methods, IEEE Transactions on Antennas and Propagation, 2003, 51, 2274-2285.
S. C. Demarco, G. Lazzi, W. Liu, J. D. Weiland, and M. S. Humayun,, Computed SAR and Thermal Elevation in a 0.25-mm 2-D Model of the Human Eye and Head in Response to an Implanted Retinal Stimulator – Part II: Models and Methods, IEEE Transactions on Antennas and Propagation, 2003, 51, 2286-2295.
R. Bashirullah, W. Liu, and R. Cavin III, Current-Mode Signaling in Deep Submicron Global Interconnects, IEEE Transactions on Very Large Scale Integration (VLSI) Systems, 2003, 11, 406-417.
W. Liu, M. Sivaprakasam, P. R. Singh, R. Bashirullah, and G. Wang, Electronic Visual Prostheses, Artificial Organs, 2003, 27, 986-995.
R. Bashirullah, W. Liu, Raised Cosine Approximation Signaling for Reduced Noise Cross-talk, IEEE Electronic Letters, 2002, 38 (21), 1256-1258.
E. Margalit, M. Maia, J. Weiland, R. Greenberg, G. Fujii , G. Torres, D. Piyathaisere, T. O'Hearn, W. Liu, G. Lazzi, G. Dagnelie, D. Scribner, E. de Juan Jr, M. Humayun, Retinal Prosthesis for the Blind, Survey of Opthalmology, 2002, 47 (4), 335-356.