Faculty

YU Yajun
Associate Professor
86-755-88018557
yuyj@sustc.edu.cn

Prof. YU Yajun has been doing research on digital signal processing and large scale integrated circuit for years. Her research interests including design, optimization and realization of high performance low power consumption digital filter, and application of digital signal processing in the field of communication medicine. She has published more than 30 papers on world top journals. She is the editor of many international journals and guest editor of a special edition for a digital signal processing journal. Prof. Yu is the senior member of IEEE and committee member of Digital Signal Processing Group of Circuits and Systems Society.

Education
Ph.D. Electrical and Computer Engineering, National University of Singapore 2004
M.A. Department of Biomedical Engineering and Instrument Engineering, Zhejiang University 1997
B.A. Department of Biomedical Engineering and Instrument Engineering, Zhejiang University 1994

Working Experiences
Aug.2016---Present Associate Professor Department of Electrical and Electronic Engineering, Southern University of Science and Technology of China

Dec.2005-Feb.2016 Assistant Professor School of Electrical and Electronic Engineering,Nanyang Technological University, Singapore
Jul. 2009 Visiting Professor Department of Mathematics and Statistics, Curtin University, Australia
Jan.2004-Nov.2005 Researcher Temasek Laboratories, Nanyang Universities, Singapore
Oct.2002-Jul. 2003 Visiting Scholar Department of Applied Mathematics, The Hong Kong University of Science and Technology
Jun. 2002-Sep.2002 Visiting Scholar Electronic Media Research Institue, University of Tampere, Finland
May 1998-Jan. Engineer 2004 Electrical and Computer Engineering, National University of Singapore
Jul. 1997-Apr. 1998 Teaching Assistant Department of Biomedical Engineering and Instrument Engineering, Zhejiang University

Research Introduction
Prof. YU Yajun’s main research interests are design of digital signal processing and filter as well as super large scale integrated circuit digital system. She has been published more than 30 papers in international journals according to SCI database and more than 30 international conference proceedings. Prof. Yu is the committee member of IEEE Circuits & Systems Society and member of Digital Signal Processing Group of Circuits and Systems Society.

Research Areas:
Digital Signal Processing and Filter Design
Super Large Scale Integrated Circuit Digital System

Awards & Honors
In 2011, YE Wenbin who is Prof. YU Yajun’s student won the Silver Leaf Awards of Conference Proceedings of Asia Pacific Graduates Electrical and Microelectronics Conference (PrimeAsia 2011). Silver Leaf Awards only give to the top 20% of the very good papers in the conference. The name of the paper is “An Algorithm for The Design of Low Power Linear Phase FIR Filters”
In 2009, SHI Dong, who is student of YU Yajun won the excellent graduates awards of IEEE Circuits & Systems Singapore Chapter.
In 1997, Prof. YU Yajun won the third prize for Progress in Science and Technology in Zhejiang province. This award is the very significant awards in science and technology area. The awards criteria are based on the general standards on scientific research, promotion on science and technology and influence on society and economy.

Papers
X. Lou, P. K. Meher, Y. J. Yu and W. B. Ye, “Novel Structure for Area-Energy-Efficient Implementation of FIR Filter”, IEEE Transactions on Circuits and Systems II, vol. 64, no. 10, pp. 1212-1216, Oct. 2017.
W. B. Ye, X. Lou, and Y. J. Yu, “Design of Low Power Multiplierless Linear-Phase FIR Filters”,IEEE Access, vol. 5, pp. 23466-23472, 2017.
X. Lou, Y. J. Yu and P. K. Meher, “Lower Bound Analysis and Perturbation of Critical Path for Area-Time Efficient Multiple Constant Multiplications”, IEEE Trans. Computer-Aided Design of Integrated Circuits and Systems, vol. 36, no. 2, pp. 313 – 324, Feb. 2017.
X. Lou, Y. J. Yu and P. K. Meher, “Analysis and Optimization of Product-Accumulation Section for Efficient Implementation of FIR Filters”, IEEE Trans. Circuits, Syst. I,vol. 63, no. 10, pp. 1701 – 1703, Oct. 2016
R. Fan, Y. J. Yu and Y. L. Guan, “Improved Orthogonal Frequency Division Multiplexing with Generalized Index Modulation”, IET Communications, vol. 10, iss. 8, pp. 969-974, Aug. 2016.
W. B. Ye and Y. J. Yu, “Greedy Algorithm for the Design of Linear-Phase FIR Filter with Sparse Coefficients”, Circuits Systems and Signal Processing, vol. 35, no. 4, pp. 1427-1436, April 2016.
X. Lou, Y. J. Yu and P. K. Meher, “New Approach to the Reduction of Sign-extension Overhead for Efficient Implementation of Multiple Constant Multiplications”, IEEE Trans. Circuits, Syst. I., vol. 62, no. 11, pp. 2695-2705, Nov. 2015.
R. Fan, Y. J. Yu and Y. L. Guan, “Generalization of Orthogonal Frequency Division Multiplexing with Index Modulation”, IEEE Trans. Wireless Communications, vol. 14, no. 10, pp. 5350-5359, Oct. 2015.
W. B. Ye and Y. J. Yu, “Two-step Optimization Approach for the Design of Multiplierless Linear-Phase FIR Filters”, IEEE Trans. Circuits, Syst. I., vol. 62, no. 5, pp. 1279-1287, May 2015.
X. Lou, Y. J. Yu and P. K. Meher, “Fine-Grained Critical Path Analysis and Optimization for Area-Time Efficient Realization of Multiple Constant Multiplications”, IEEE Trans. Circuits, Syst. I., vol. 62, no. 3, pp. 863-872, March 2015.
W. B. Ye, and Y. J. Yu, “Bit-level Multiplierless FIR Filter Optimization Incorporating Sparse Filter Technique”, IEEE Trans. Circuits, Syst. I., vol. 61, no. 11, pp. 3206-3215, Nov. 2014.
W. J. Xu, Y. J. Yu, and H. Johansson, “Improved Filter Bank Approach for the Design of Variable Bandedge and Fractional Delay Filters”, IEEE Trans. Circuits, Syst. I., vol. 61, no. 3, pp. 764-777, March 2014.
W. B. Ye, and Y. J. Yu, “Single Stage and Cascade Design of High Order Multiplierless linear phase FIR Filters Using Genetic Algorithm”, IEEE Trans. Circuits, Syst. I., vol. 60, no. 11, pp. 2987-2997, Nov. 2013.
Y. J. Yu, and W. J. Xu, “Investigation on the Optimization Criteria for the Design of Variable Fractional Delay Filters”, IEEE Trans. Circuits, Syst. II., vol. 60, no. 8, pp. 522-526, Aug. 2013.
S. Y. Park, and Y. J. Yu, “Fixed-Point Analysis and Parameter Selections of MSR-CORDIC with Applications to FFT Designs”, IEEE Trans. Signal Processing, vol. 60, no. 12, pp.6245-6256, Dec. 2012.
Y. J. Yu, and W. J. Xu, “Mixed-Radix Fast Filter Bank Approach for the Design of Variable Digital Filters with Simultaneously Tunable Bandedge and Fractional Delay”, IEEE Trans. Signal Processing, vol. 60, no. 1, pp.100-111, Jan. 2012.
D. Shi, and Y. J. Yu, “Design of Discrete-valued Linear Phase FIR Filters in Cascade Form”, IEEE Trans. Circuits, Syst. I. vol. 58, no. 7, pp.1627-1636, July 2011.
R. Bregovic, Y. J. Yu, T. Saramäki, and Y. C. Lim, “Implementation of Linear-Phase FIR Filters for a Rational Sampling Rate Conversion Utilizing the Coefficient Symmetry”, IEEE Trans. Circuits, Syst. I. vol. 58, no. 3, pp. 548-561, Mar. 2011.
D. Shi, and Y. J. Yu, “Design of Linear Phase FIR Filters with High Probability of Achieving Minimum Number of Adders”, IEEE Trans. Circuits, Syst. I. vol. 58, no. 1, pp. 126-136, Jan. 2011.
R. Bregovic, Y. J. Yu, A. Viholainen and Y. C. Lim, “Implementation of Linear-Phase FIR Nearly Perfect-Reconstruction Cosine-Modulated Filterbanks Utilizing the Coefficient Symmetry”, IEEE Trans. Circuits, Syst. I. vol. 57, no. 1, pp. 139-151, Jan. 2010.
Y. J. Yu, D. Shi, and Y. C. Lim, “Design of Extrapolated Impulse Response FIR Filters with Residual Compensation in Subexpression Space”, IEEE Trans. Circuits, Syst. I, vol. 56, no. 12, pp. 2621-2633, Dec. 2009.
Y. J. Yu, Y. C. Lim and D. Shi, “Low Complexity Design of Variable Bandedge Linear Phase FIR filters with Sharp Transition Band”, IEEE Trans. Signal Processing, vol. 57, no. 4, pp. 1328-1338, April 2009.
Y. J. Yu and Y. C. Lim, “Design of Linear Phase FIR Filters in Subexpression Space Using Mixed Integer Linear Programming”, IEEE Trans. Circuits, Syst. I, vol. 54, no. 10, pp. 2330-2338, Oct. 2007.

Publications
L. Wanhammar, and Y. J. Yu, “Digital Filter Structures and Their Implementation” Academic Press Library in Signal Processing: Volume 1: Signal Processing Theory and Machine Learning, (Editor-in-Chief: Sergios Theodoridis and Rama Chellappa, Publisher: Academic Press), 2013.
Recruitment Announcement
Prof. YU Yajun’s group is recruiting research assistants with academic background of Information Technology and Super Large Scale Integrated Circuit Design. Please contact us if you are interested.

Contact Information
Email:yuyj@sustc.edu.cn