Ya-Feng Liu (刘亚锋)
Associate Professor
State Key Laboratory of Scientific and Engineering Computing
Institute of Computational Mathematics and Scientific/Engineering Computing
Academy of Mathematics and Systems Science
Chinese Academy of Sciences

My Short CV
News

    [Apr. 19, 2020] Our paper ‘‘Network Slicing for Service-Oriented Networks with Flexible Routing and Guaranteed E2E Latency,’’ jointly with Dr. Wei-Kun Chen, Dr. Antonio De Domenico, and Prof. Zhi-Quan Luo, has been accepted for publication in 2020 IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2020). [link]

    [Mar. 10, 2020] The preface of the special issue of MOA 2018, coedited with Prof. Fengmin Xu, Prof. Neng Fan, and Prof. Jiming Peng, has published in the Journal of Global Optimization. We thank all the authors for their interest in this special issue, and all the reviewers who helped to provide their expertise in improving the papers. We are grateful to Prof. Sergiy Butenko, the Editor-in-Chief of the Journal of Global Optimization, for his great support, help, and guidance in the editorial process and Prof. Yu-Hong Dai for the organization of the wonderful workshop. [link]

    [Jan. 28, 2020] Our paper ‘‘Max-Min Fairness in IRS-Aided Multi-Cell MISO Systems via Joint Transmit and Reflective Beamforming,’’ jointly with Hailiang Xie and Prof. Jie Xu, has been accepted for publication in 2020 IEEE International Conference on Communications (ICC 2020). [link]

    [Nov. 10, 2019] It is my great honor to be elected as a member of SPCOM-TC (Signal Processing for Communications and Networking Technical Committee) of the IEEE Signal Processing Society. SPCOM-TC members’ responsibilities include reviewing papers for two flagship conferences ICASSP and SPAWC as well as nominating and voting various paper and society awards.

    [Aug. 10, 2019] Welcome Professor Wei Yu from University of Toronto to visit our group!

    [Aug. 7, 2019] Professor Zhi-Quan Luo and I organized two sessions entitled ‘‘Mathematical Optimization in Signal Processing’’ in the Sixth International Conference on Continuous Optimization (ICCOPT), which takes place from August 3 to 8, 2019, in Berlin. Prof. Sergiy A. Vorobyov, Prof. Bo Jiang, Dr. Yang Yang, Prof. Luo and I spoke in our sessions. Thanks all speakers and participants!

    [July 19, 2019] Our paper ‘‘Set-Completely-Positive Representations and Cuts for the Max-Cut Polytope and the Unit Modulus Lifting,’’ jointly with Prof. Florian Jarre, Felix Lieder, and Dr. Cheng Lu, has been accepted for publication in the Journal of Global Optimization. [link]

    [July 1, 2019] I shall serve as an Associate Editor for the IEEE Signal Processing Letters (IEEE SPL).

    [June 28, 2019] Our paper ‘‘Physical-Layer Multicasting Design for Downstream G.fast DSL Transmission,’’ jointly with Dr. Wouter Lanneer, Prof. Wei Yu, and Prof. Marc Moonen, has been accepted for publication in the IEEE Access. [link]

    [May 24, 2019] Welcome Dr. Antonio De Domenico from CEA-LETI to visit our group from May 26 to June 1!

    [May 7, 2019] I shall serve as an Editor for the IEEE Transactions on Wireless Communications (IEEE TWC).

    [Apr. 20–21, 2019] I have organized three sessions entitled ‘‘Mathematical Optimization in Signal Processing’’ in the National Conference on Mathematical Programming, which takes place from April 19 to 22 in Nanjing. Thanks all speakers and participants! Special thanks go to Prof. Meixia Tao, Prof. Zhiqiang Xu, Prof. Zi Xu, Prof. Qingjiang Shi, Prof. Yongwei Huang, Prof. Ke Wei, Prof. Zai Yang, Prof. Jingran Lin, Prof. Shu Cai, and Prof. Bo Jiang!

    [Mar. 26, 2019] Our paper ‘‘Max-Min Fairness User Scheduling and Power Allocation in Full-Duplex OFDMA Systems,’’ jointly with Xiaozhou Zhang, Prof. Tsung-Hui Chang, Prof. Chao Shen, and Prof. Gang Zhu, has been accepted for publication in the IEEE Transactions on Wireless Communications. [link]

    [Mar. 14, 2019] Our paper ‘‘Joint Switch Upgrade and Controller Deployment in Hybrid Software-Defined Networks,’’ jointly with Dr. Zehua Guo, Weikun Chen, Prof. Yang Xu, and Prof. Zhi-Li Zhang, has been accepted for publication in the IEEE Journal on Selected Areas in Communications special issue on Network Softwarization & Enablers. [link]

    [Feb. 4, 2019] Our paper ‘‘Covariance Based Joint Activity and Data Detection for Massive Random Access with Massive MIMO,’’ jointly with Zhilin Chen, Dr. Foad Sohrabi, and Prof. Wei Yu, has been accepted for publication in 2019 IEEE International Conference on Communications (ICC 2019).

    [Feb. 4, 2019] Our paper ‘‘Optimal Computational Resource Allocation and Network Slicing Deployment in 5G Hybrid C-RAN,’’ jointly with Dr. Antonio De Domenico and Prof. Wei Yu, has been accepted for publication in 2019 IEEE International Conference on Communications (ICC 2019).

    [Feb. 2, 2019] Our paper ‘‘On the Equivalence of Semidifinite Relaxations for MIMO Detection with General Constellations,’’ jointly with Prof. Zi Xu and Dr. Cheng Lu, has been accepted for publication in 2019 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2019). [link]

Research Interests

    My main research interests are nonlinear optimization and its applications to signal processing, wireless communications, and machine learning. I am particularly interested in characterizing the computational complexity of and designing efficient algorithms for optimization problems arising from these applications.

    My current research interests are sparse optimization, global optimization, large-scale optimization, and various optimization problems from 5G communications and big data applications.

Students

    I am looking for self-motivated students with solid mathematical background who are interested in pursuing Master's or Ph.D. degrees. Please send me an email (with a copy of your resume) for details.

Contact

P.O. Box 2719, No. 55, ZhongGuanCun DongLu
HaiDian District, Beijing 100190, China


Office: Room 406, LanBai Building
Email: yafliu at lsec.cc.ac.cn


Ya-Feng Liu - Biography
Working Experience

    Associate Professor, State Key Laboratory of Scientific and Engineering Computing, Institute of Computational Mathematics and Scientific/Engineering Computing, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, 2018.4-present

    Assistant Professor, State Key Laboratory of Scientific and Engineering Computing, Institute of Computational Mathematics and Scientific/Engineering Computing, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, 2012.7-2018.4

Education

    Ph.D in Computational Mathematics, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, 2007.8-2012.7

        Dissertation: Optimal Resource Allocation for Wireless Communications: Complexity Analysis and Algorithm Design

        Advisor: Professor Yu-Hong Dai

    Visiting Ph.D student, Department of Electrical and Computer Engineering, University of Minnesota, 2011.2-2012.2

        Advisor: Professor Zhi-Quan Luo

    B.Sc in Applied Mathematics, Department of Mathematics, XiDian University, 2003.8-2007.7

Academic Visits

    Professor Zhi-Quan Luo, Shenzhen Research Institute of Big Data, 2019.09-2019.10

    Professor Wei Yu, Electrical and Computer Engineering Department, University of Toronto, 2018.04-2018.06

    Professor Zhi-Quan Luo, Shenzhen Research Institute of Big Data, 2017.07-2017.12

    Professor Wei Yu, Electrical and Computer Engineering Department, University of Toronto, 2017.03-2017.05

    Professor Zhi-Quan Luo, School of Science & Engineering, The Chinese University of Hong Kong, Shenzhen, 2015.12-2016.5

    Professor Xiaojun Chen, Department of Applied Mathematics, The Hong Kong Polytechnic University, 2015.10-2015.11

    Professor Shiqian Ma, Department of Systems Engineering and Engineering Management, The Chinese University of Hong Kong, 2015.3-2015.5

    Professor Shiqian Ma, Department of Systems Engineering and Engineering Management, The Chinese University of Hong Kong, 2014.3-2014.4

    Professor Zhi-Quan Luo, School of Electrical Engineering, XiDian University, 2013.6-2013.7

    Professor Shiqian Ma, Department of Systems Engineering and Engineering Management, The Chinese University of Hong Kong, 2013.3-2013.4

    Professor Thorsten Koch, Scientific Information Department, Zuse Institute of Berlin, 2012.8

    Professor Zhi-Quan Luo, School of Electrical Engineering, XiDian University, 2012.5-2012.7

Awards

    2018 Science and Technology Award for Young Scholars from Operations Research Society of China

    2017 Chen Jingrun Star Award of Academy of Mathematics and Systems Science

    Best Student Paper Award of 2015 International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks (WiOpt)

        Joint with Ph.D student Qian Ma, Dr. Lin Gao, and Professor Jianwei Huang

    2013 Top 10 Scientific Research Achievement Award of Academy of Mathematics and Systems Science

        Joint with Professor Yu-Hong Dai

    Best Paper Award of 2011 IEEE International Conference on Communications (ICC)

        Joint with Professor Yu-Hong Dai and Professor Zhi-Quan Luo

    2011 Beijing Operation Research Society Young Author Best Paper Award

Grants

    Participant: NSFC Grant 11991021, The Artificial Intelligence of Mixed Integer Programming, 2020.01-2024.12

    Participant: Beijing NSF Grant L172020, 5G Theory and Key Technologies for Rail Traffic Systems under High Mobility and Complicated Scenarios, 2017.10-2019.12

    Principal Investigator: NSFC Grant 11671419, Optimal Resource Allocation for 5G Mobile Communications: A Sparse Optimization Perspective, 2017.01-2020.12

    Participant: NSFC Grant 11631013, Optimization Theory and Methods for Big Data Analysis, 2017.01-2021.12

    Participant: NSFC Grant 11571221, The Theory and Algorithm for Mixed Binary Nonconvex Quadratically Constrained Quadratic Programs and Its Application, 2016.01-2019.12

    Participant: NSFC Grant 11331012, Optimization Theories and Methods for Information Technology, 2014.01-2018.12

    Principal Investigator: NSFC Grant 11301516, On Several Optimization Problems Arising from Wireless Communications, 2014.01-2016.12

Ya-Feng Liu - Publications

My Google Scholar Citations
Working Papers

[J41] Zhilin Chen, Foad Sohrabi, Ya-Feng Liu, and Wei Yu, Phase Transition Analysis for Covariance Based Massive Random Access with Massive MIMO, 2020. [link]

[J40] Hailiang Xie, Jie Xu, and Ya-Feng Liu, Max-Min Fairness in IRS-Aided Multi-Cell MISO Systems via Joint Transmit and Reflective Beamforming, 2020. [link]

[J39] Antonio De Domenico, Ya-Feng Liu, and Wei Yu, Optimal Virtual Network Function Deployment for 5G Network Slicing in a Hybrid Cloud Infrastructure, 2019.

[J38] Cheng Lu, Ya-Feng Liu, and Jing Zhou, An Enhanced SDR based Global Algorithm for Nonconvex Complex Quadratic Programs with Signal Processing Applications, 2019. [link]
Book Chapters, Editorials, and Patents

[Book Chapter] Meixia Tao, Erkai Chen, Wei Yu, and Ya-Feng Liu, ‘‘Cache-Enabled Cloud Radio Access Networks’’ in Wireless Edge Caching: Modeling, Analysis and Optimization. (Editors: Thang X. Vu, Symeon Chatzinotas, Ejder Bastug and Tony Q.S. Quek), Cambridge University Press, 2019. [pdf]

[Guest Editorial] Thorsten Koch, Ya-Feng Liu*, and Jiming Peng, Preface: Special issue of MOA 2016, Journal of Global Optimization, vol. 70, no. 1, pp. 1–3, Jan. 2018. [link]

[Guest Editorial] Ya-Feng Liu*, Fengmin Xu, Neng Fan, and Jiming Peng, Preface: Special issue of MOA 2018, Journal of Global Optimization, 2020. [link]

[Patent] Nan Zhang, Ya-Feng Liu, Hamidreza Farmanbar, Tsung-Hui Chang, Mingyi Hong, and Zhi-Quan Luo, System and Method for Network Slicing for Service-Oriented Networks, US20190394132A1. [link]
Selected Journal Papers (* denotes the corresponding author.)

[J37] Florian Jarre, Felix Lieder, Ya-Feng Liu, and Cheng Lu, Set-Completely-Positive Representations and Cuts for the Max-Cut Polytope and the Unit Modulus Lifting, to appear in Journal of Global Optimization, 2019. [link]

[J36] Wouter Lanneer*, Ya-Feng Liu, Wei Yu, and Marc Moonen, Physical-Layer Multicasting Design for Downstream G.fast DSL Transmission, IEEE Access, vol. 7, pp. 110660–110673, 2019. [link]

[J35] Ya-Feng Liu*, Two Optimization Problems in Wireless Communication System Design and Related Optimization Methods, Operations Research Transactions, vol. 23, no. 3, pp. 47–62, 2019. [Invited Paper in Chinese but with English title and abstract] [link] [pdf]

[J34] Xiaozhou Zhang, Tsung-Hui Chang*, Ya-Feng Liu, Chao Shen, and Gang Zhu, Max-Min Fairness User Scheduling and Power Allocation in Full-Duplex OFDMA Systems, IEEE Transactions on Wireless Communications, vol. 18, no. 6, pp. 3078–3092, June 2019. [link]

[J33] Ya-Feng Liu, Xin Liu, and Shiqian Ma*, On the Non-Ergodic Convergence Rate of an Inexact Augmented Lagrangian Framework for Composite Convex Programming, Mathematics of Operations Research, vol. 44, no. 2, pp. 632–650, May 2019. [link]

[J32] Zehua Guo, Weikun Chen, Ya-Feng Liu*, Yang Xu, and Zhi-Li Zhang, Joint Switch Upgrade and Controller Deployment in Hybrid Software-Defined Networks, IEEE Journal on Selected Areas in Communications special issue on Network Softwarization & Enablers, vol. 37, no. 5, pp. 1012–1028, May 2019. [link]

[J31] Cheng Lu, Ya-Feng Liu*, Wei-Qiang Zhang, and Shuzhong Zhang, Tightness of a new and enhanced semidefinite relaxation for MIMO detection, SIAM Journal on Optimization, vol. 29, no. 1, pp. 719–742, 2019. [link]

[J30] Erkai Chen, Meixia Tao*, and Ya-Feng Liu, Joint Base Station Clustering and Beamforming for Non-Orthogonal Multicast and Unicast Transmission with Backhaul Constraints, IEEE Transactions on Wireless Communications, vol. 17, no. 9, pp. 6265–6279, Sept. 2018. [link]

[J29] Wenqiang Pu, Ya-Feng Liu, Junkun Yan, Hongwei Liu, and Zhi-Quan Luo*, Optimal Estimation of Sensor Biases for Asynchronous Multi-Sensor Data Fusion, Mathematical Programming, vol. 170, no. 1, pp. 357–386, July 2018. [link]

[J28] Binbin Dai*, Ya-Feng Liu, and Wei Yu, Optimized Base-Station Cache Allocation for Cloud Radio Access Network with Multicast Backhaul, IEEE Journal on Selected Areas in Communications special issue on Caching for Communication Systems and Networks, vol. 36, no. 8, pp. 1737–1750, Aug. 2018. [link]

[J27] Foad Sohrabi*, Ya-Feng Liu, and Wei Yu, One-Bit Precoding and Constellation Range Design for Massive MIMO with QAM Signaling, IEEE Journal of Selected Topics in Signal Processing special issue on Hybrid Analog - Digital Signal Processing for Hardware-Efficient Large Scale Antenna Arrays, vol. 12, no. 3, pp. 557–570, June 2018. [link]

[J26] Qian Ma, Lin Gao*, Ya-Feng Liu, and Jianwei Huang, Incentivizing Wi-Fi Network Crowdsourcing: A Contract Theoretic Approach, IEEE/ACM Transactions on Networking, vol. 26, no. 3, pp. 1035–1048, June 2018. [link]

[J25] Tsung-Hui Chang*, Ya-Feng Liu, and Shih-Chun Lin, QoS-Based Linear Transceiver Optimization for Full-Duplex Multi-User Communications, IEEE Transactions on Signal Processing, vol. 66, no. 9, pp. 2300–2313, May 2018. [link]

[J24] Nan Zhang, Ya-Feng Liu*, Hamid Farmanbar, Tsung-Hui Chang, Mingyi Hong, and Zhi-Quan Luo, Network Slicing for Service-Oriented Networks Under Resource Constraints, IEEE Journal on Selected Areas in Communications Special Issue on Emerging Technologies in Software-Driven Communication, vol. 35, no. 11, pp. 2512–2521, Nov. 2017. [link]

[J23] Kaiming Shen*, Ya-Feng Liu, David Ding, and Wei Yu, Flexible Multiple Base Station Association and Activation for Downlink Heterogeneous Networks, IEEE Signal Processing Letters, vol. 24, no. 10, pp. 1498–1502, Oct. 2017. [link]

[J22] Chao Yao, Ya-Feng Liu, Bo Jiang, Jungong Han, and Junwei Han*, LLE score: a new filter-based unsupervised feature selection method based on nonlinear manifold embedding and its application to image recognition, IEEE Transactions on Image Processing, vol. 26, no. 11, pp. 5257–5269, Nov. 2017. [link]

[J21] Cheng Lu and Ya-Feng Liu*, An Efficient Global Algorithm for Single-Group Multicast Beamforming, IEEE Transactions on Signal Processing, vol. 65, no. 14, pp. 3761–3774, Jul. 2017. [link] [codes]

[J20] Rui Diao, Ya-Feng Liu*, and Yu-Hong Dai, A new fully polynomial time approximation scheme for the interval subset sum problem, Journal of Global Optimization, vol. 68, no. 4, pp. 749–775, Aug. 2017. [link] [codes]

[J19] Qitian Chen, Dong Kang, Yichu He, Tsung-Hui Chang, and Ya-Feng Liu*, Joint Power and Admission Control based on Channel Distribution Information: A Novel Two-Timescale Approach, IEEE Signal Processing Letters, vol. 24, no. 2, pp. 196–200, Feb. 2017. [link] [Companion_Technical_Report]

[J18] Ya-Feng Liu*, Dynamic Spectrum Management: A Complete Complexity Characterization, IEEE Transactions on Information Theory, vol. 63, no. 1, pp. 392–403, Jan. 2017. [link]

[J17] Qian Ma, Lin Gao*, Ya-Feng Liu, and Jianwei Huang, Economic Analysis of Crowdsourced Wireless Community Networks, IEEE Transactions on Mobile Computing, vol. 16, no. 7, pp. 1856–1869, Jul. 2017. [link]

[J16] Bo Jiang, Ya-Feng Liu, and Zaiwen Wen*, L_p-norm regularization algorithms for optimization over permutation matrices, SIAM Journal on Optimization, vol. 26, no. 4, pp. 2284–2313, 2016. [link]

[J15] Ya-Feng Liu*, Mingyi Hong, and Enbin Song, Sample Approximation-Based Deflation Approaches for Chance SINR Constrained Joint Power and Admission Control, IEEE Transactions on Wireless Communications, vol. 15, no. 7, pp. 4535–4547, July, 2016. [link] [Companion_Technical_Report]

[J14] Qian Ma, Ya-Feng Liu, and Jianwei Huang*, Time and Location Aware Mobile Data Pricing, IEEE Transactions on Mobile Computing, vol. 15, no. 10, pp. 2599–2613, Oct. 2016. [link]

[J13] Ya-Feng Liu*, Shiqian Ma, Yu-Hong Dai, and Shuzhong Zhang, A Smoothing SQP Framework for a Class of Composite Lq Minimization over Polyhedron, Mathematical Programming, vol. 158, no. 1, pp. 467–500, July 2016. [link]

[J12] Mingyi Hong*, Qiang Li, and Ya-Feng Liu, Decomposition by Successive Convex Approximation: A Unifying Approach for Linear Transceiver Design in Heterogeneous Networks, IEEE Transactions on Wireless Communications, vol. 15, no. 2, pp. 1377–1392, Feb. 2016. [link]

[J11] Ya-Feng Liu*, Rui Diao, Feng Ye, and Hongwei Liu, An Efficient Inexact Newton-CG Algorithm for the Smallest Enclosing Ball Problem of Large Dimensions, Journal of the Operations Research Society of China, vol. 4, no. 2, pp. 167–191, May 2016. [link]

[J10] Ya-Feng Liu*, Yu-Hong Dai, and Shiqian Ma, Joint Power and Admission Control: Non-Convex Lq Approximation and An Effective Polynomial Time Deflation Approach, IEEE Transactions on Signal Processing, vol. 63, no. 14, pp. 3641–3656, July 2015. [link] [Companion_Technical_Report]

[J9] Ya-Feng Liu*, Complexity Analysis of Joint Subcarrier and Power Allocation for the Cellular Downlink OFDMA System, IEEE Wireless Communications Letters, vol. 3, no. 6, pp. 661-664, 2014. [link]

[J8] Wei-Cheng Liao*, Mingyi Hong, Ya-Feng Liu, and Zhi-Quan Luo, Base Station Activation and Linear Transceiver Design for Optimal Resource Management in Heterogeneous Networks, IEEE Transactions on Signal Processing, vol. 62, no. 15, pp. 3939-3952, 2014. [link]

[J7] Ya-Feng Liu* and Yu-Hong Dai, On the Complexity of Joint Subcarrier and Power Allocation for Multi-User OFDMA Systems, IEEE Transactions on Signal Processing, vol. 62, no. 3, pp. 583-596, 2014. [link]

[J6] Ya-Feng Liu*, Optimal Resource Allocation for Wireless Communications: Complexity Analysis and Algorithm Design, SCIENTIA SINICA Mathematica, vol. 43, no. 10, pp. 953-964, 2013. [Invited Paper in Chinese but with English title and abstract] [中国科学：数学—优秀博士学位论文专栏] [link]

[J5] Qiang Li*, Mingyi Hong, Hoi-To Wai, Ya-Feng Liu, Wing-Kin Ma, and Zhi-Quan Luo, Transmit Solutions for MIMO Wiretap Channels Using Alternating Optimization, IEEE Journal on Selected Areas in Communications, vol. 31, no. 9, pp. 1714-1727, 2013. [link]

[J4] Ya-Feng Liu*, Yu-Hong Dai, and Zhi-Quan Luo, Max-Min Fairness Linear Transceiver Design for a Multi-User MIMO Interference Channel, IEEE Transactions on Signal Processing, vol. 61, no. 9, pp. 2413-2423, 2013. [link]

[J3] Ya-Feng Liu*, Yu-Hong Dai, and Zhi-Quan Luo, Joint Power and Admission Control via Linear Programming Deflation, IEEE Transactions on Signal Processing, vol. 61, no. 6, pp. 1327-1338, 2013. [link]

[J2] Ya-Feng Liu*, Mingyi Hong, and Yu-Hong Dai, Max-Min Fairness Linear Transceiver Design Problem for a SIMO Interference Channel is Polynomial Time Solvable, IEEE Signal Processing Letters, vol. 20, no. 1, pp. 27-30, 2013. [link]

[J1] Ya-Feng Liu*, Yu-Hong Dai, and Zhi-Quan Luo, Coordinated Beamforming for MISO Interference Channel: Complexity Analysis and Efficient Algorithms, IEEE Transactions on Signal Processing, vol. 55, no. 3, pp. 1142-1157, 2011. [Beijing Operation Research Young Author Best Paper Award] [link]
Selected Conference Papers

[C24] Wei-Kun Chen, Ya-Feng Liu, Antonio De Domenico, and Zhi-Quan Luo, Network Slicing for Service-Oriented Networks with Flexible Routing and Guaranteed E2E Latency, IEEE SPAWC, May 26–29, 2020. [link]

[C23] Hailiang Xie, Jie Xu*, and Ya-Feng Liu, Max-Min Fairness in IRS-Aided Multi-Cell MISO Systems via Joint Transmit and Reflective Beamforming, IEEE ICC, June 7–-11, 2020. [link]

[C22] Zhilin Chen*, Foad Sohrabi, Ya-Feng Liu, and Wei Yu, Covariance Based Joint Activity and Data Detection for Massive Random Access with Massive MIMO, IEEE ICC, May 20–24, 2019. [link]

[C21] Antonio De Domenico*, Ya-Feng Liu, and Wei Yu, Optimal Computational Resource Allocation and Network Slicing Deployment in 5G Hybrid C-RAN, IEEE ICC, May 20–24, 2019. [link]

[C20] Ya-Feng Liu*, Zi Xu, and Cheng Lu, On the Equivalence of Semidifinite Relaxations for MIMO Detection with General Constellations, IEEE ICASSP, May 12–17, 2019, pp. 4549–4553. [link]

[C19] Binbin Dai*, Wei Yu, and Ya-Feng Liu, Cloud Radio Access Network with Optimized Base-Station Caching, IEEE ICASSP, April 15–20, 2018, pp. 3764–3768. [link]

[C18] Nan Zhang*, Ya-Feng Liu, Hamid Farmanbar, Tsung-Hui Chang, Mingyi Hong, and Zhi-Quan Luo, Software Defined Resource Allocation for Service-Oriented Networks, IEEE ICASSP, April 15–20, 2018, pp. 3769–3773. [link]

[C17] Ya-Feng Liu and Wei Yu*, Wireless Multicast for Cloud Radio Access Network with Heterogeneous Backhaul, Asilomar Conference on Signals, Systems, and Computers, October 29–November 1, 2017, pp. 531–535. [link] [Invited Paper]

[C16] Cheng Lu, Ya-Feng Liu*, and Jing Zhou, An Efficient Global Algorithm for Nonconvex Complex Quadratic Problems with Applications in Wireless Communications, IEEE/CIC ICCC, October 22–24, 2017, pp. 1–5. [link] [Invited Paper]

[C15] Ya-Feng Liu*, Cheng Lu, Meixia Tao, and Jiageng Wu, Joint Multicast and Unicast Beamforming for the MISO Downlink Interference Channel, IEEE SPAWC, July 3–6, 2017, pp. 159–163. [link] [Invited Paper]

[C14] Tsung-Hui Chang*, Ya-Feng Liu, and Shih-Chun Lin, Max-Min-Fairness Linear Transceiver Design for Full-Duplex Multiuser Systems, IEEE SPAWC, July 3–6, 2017, pp. 290–294. [link] [Invited Paper]

[C13] Wenqiang Pu*, Ya-Feng Liu, Junkun Yan, Shenghua Zhou, Hongwei Liu, and Zhi-Quan Luo, A Two-Stage Optimization Approach to the Asynchronous Multi-Sensor Registration Problem, IEEE ICASSP, March 5–9, 2017, pp. 3271–3275. [link]

[C12] Xiaozhou Zhang*, Tsung-Hui Chang, Ya-Feng Liu, Chao Shen, and Gang Zhu, Uplink and Donwlink User Pairing in Full-Duplex Multi-User Systems: Complexity and Algorithms, IEEE ICASSP, March 5–9, 2017, pp. 3629–3633. [link]

[C11] Qian Ma*, Lin Gao, Ya-Feng Liu, and Jianwei Huang, A Contract-Based Incentive Mechanism for Crowdsourced Wireless Community Networks, International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks (WiOpt 2016), May 9–13, 2016, pp. 1–8. [link]

[C10] Qian Ma*, Lin Gao, Ya-Feng Liu, and Jianwei Huang, A Game-Theoretic Analysis of User Behaviors in Crowdsourced Wireless Community Networks, International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks (WiOpt 2015), May 25–29, 2015, pp. 355–362. [link] [Best Student Paper Award]

[C9] Peng Liu, Ya-Feng Liu*, and Jiandong Li, An Iterative Reweighted Minimization Framework for Joint Channel and Power Allocation in the OFDMA System, IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2015), April 19–24, 2015, pp. 3068–3072. [link]

[C8] Qian Ma*, Ya-Feng Liu, and Jianwei Huang, Time and Location Aware Mobile Data Pricing, IEEE International Conference on Communications (ICC), June 10-14, 2014, pp. 3235-3240. [link]

[C7] Ya-Feng Liu* and Enbin Song, Distributionally Robust Joint Power and Admission Control via SOCP Deflation, IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC), June 16-19, 2013, pp. 11-15. [link]

[C6] Ya-Feng Liu* and Yu-Hong Dai, Joint Power and Admission Control via p Norm Minimization Deflation, IEEE ICASSP, May 26-31, 2013, pp. 4789-4793. [link]

[C5] Qiang Li*, Mingyi Hong, Hoi-To Wai, Wing-Kin Ma, Ya-Feng Liu, and Zhi-Quan Luo, An Alternating Optimization Algorithm for the MIMO Secrecy Capacity Problem under Sum Power and Per-Antenna Constraints, IEEE ICASSP, May 26-31, 2013, pp. 4359-4363. [link]

[C4] Ya-Feng Liu*, Yu-Hong Dai, and Zhi-Quan Luo, Joint Power and Admission Control via Linear Programming Deflation, IEEE ICASSP, March 25-30, 2012, pp. 2873-2876. [link] [IEEE Signal Processing Society Travel Grant]

[C3] Ya-Feng Liu*, Yu-Hong Dai, and Zhi-Quan Luo, On the Complexity of Leakage Interference Minimization for Interference Alignment, IEEE SPAWC, June 26-29, 2011, pp. 471-475. [link]

[C2] Ya-Feng Liu*, Yu-Hong Dai, and Zhi-Quan Luo, Max-Min Fairness Linear Transceiver Design for a Multi-User MIMO Interference Channel, IEEE ICC, June 5-9, 2011, pp. 1-5. [link] [IEEE ICC 2011 Best Paper Award]

[C1] Ya-Feng Liu*, Yu-Hong Dai, and Zhi-Quan Luo, On the Complexity of Optimal Coordinated Downlink Beamforming, IEEE ICASSP, March 14-19, 2010, pp. 3274-3277. [link]

Ya-Feng Liu - Presentations and Talks
Selected Presentations and Talks

    Mathematical Optimization and 5G Mobile Communication System Design

        International Conference on Optimization Theory and Applications, Xiangtan, China, December 27–30, 2019

        Advanced Workshop on Machine Learning and Data Analytics, Rizhao, China, December 7–8, 2019

        China Society for Industrial and Applied Mathematics (CSIAM), Foshan, China, September 20–22, 2019

    Semidefinite Relaxations for MIMO Detection: Tightness, Tighterness, and Beyond

        Workshop on Recent Advances in Theories and Applications of Data Science, TSIMF, Sanya, China, December 2–6, 2019

        Workshop on Matrix Optimization, Beijing, China, November 29–30, 2019

        CAS AMSS-PolyU Joint Laboratory of Applied Mathematics Meeting 2019, Shenzhen, China, August 22–23, 2019

        The Third Conference on Scientific and Engineering Computing for Young Chinese Scientists, Beijing, China, August 17–21, 2019

        The Sixth International Conference on Continuous Optimization (ICCOPT), Berlin, Germany, August 5–8, 2019

        Workshop on Data-Driven Optimization Methods and Applications, Changchun, China, July 6–7, 2019

        Workshop on Polynomial Optimization Theory and Applications, Xiangtan, China, June 22–23, 2019

    A New and Enhanced Semidefinite Relaxation for a Class of Nonconvex Complex Quadratic Problems with Applications in Wireless Communications

        Chinese Mathematical Society 2018 Annual Conference, Guizhou, China, October 20–21, 2018

        The 4th Brazil-China Symposium on Applied and Computational Mathematics, Foz do Iguaçu, Brazil, July 23–27, 2018

        The Second International Conference on Mathematical Characterization, Analysis and Applications of Complex Information, Beijing, China, June 30–July 1, 2018

        2018 International Workshop on Signal Processing, Optimization and Control, Nanjing, China, June 21–23, 2018

        AMSS-PolyU Joint Workshop on Applied Mathematics, Beijing, China, January 5–6, 2018

        IEEE/CIC International Conference on Communications in China, Qingdao, China, October 22–24, 2017

    Optimal Estimation of Sensor Biases for Asynchronous Multi-Sensor Data Fusion

        The 11th Conference of the Operations Research Society of China, Chongqing, China, October 12–15, 2018

        Annual Conference of the China Society for Industrial and Applied Mathematics, Chengdu, China, September 13–16, 2018

    On the Non-Ergodic Convergence Rate of an Inexact Augmented Lagrangian Framework for Composite Convex Programming

        IT@UofT Seminar, University of Toronto, April 3, 2017

        Workshop on Variational Analysis with Applications, The Hong Kong Polytechnic University, December 13-14, 2016

        Annual Meeting of Youth Innovation Promotion Association CAS, Chengdu, China, November 16–18, 2016

        The 10th Conference of the Operations Research Society of China, Kunming, China, October 13–17, 2016

        International Conference on Numerical Analysis, Approximation and Optimization, Beijing, China, August 5-7, 2016

        2015 Workshop on Frontiers in Computational and Applied Mathematics, Beijing, China, November 21-22, 2015

    Resource Allocation for Wireless Communications: An Optimization Perspective

        Electronic and Information Engineering Young Scholars’ Symposium, Xi'an, China, November 18–19, 2017

        The 11th National Conference on Mathematical Programming, Guilin, China, May 11–15, 2017

    Lp (0<p<1) Regularization Algorithms for Optimization over Permutation Matrices

        2017 Workshop on Tensor and Computational Optimization, Beijing, China, July 7–8, 2017

        2017 International Youth Forum on Computational Mathematics, Shanghai, China, June 3–5, 2017

        2015 Nanjing International Conference on Numerical Optimization and Applications, Nanjing, China, November 27-29, 2015

    Composite Lq (0<q<1) Minimization over Polyhedron

        The Fifth International Conference on Continuous Optimization (ICCOPT), Tokyo, Japan, August 6–11, 2016

        The 8th International Congress on Industrial and Applied Mathematics (ICIAM), Beijing, China, August 10-14, 2015

        International Symposium on Mathematical Programming (ISMP), Pittsburgh, USA, July 12-17, 2015

        Annual General Meeting of Hong Kong Mathematical Society, The Chinese University of Hong Kong, Hong Kong, China, May 23, 2015

        AMSS-PolyU JRI 10th Anniversary Workshop, Polytechnic University, Hong Kong, China, February 9-10, 2015

        2015 Workshop on Numerical Optimization, Shanghai Jiao Tong University, Shanghai, China, January 3-4, 2015

        2014 Workshop for Young Chinese Computational Mathematicians, Wuhan University, Wuhan, China, December 13-14, 2014

        2014 Workshop on Optimization for Modern Computation, Peking University, Beijing, China, September 2-4, 2014

    Joint Channal and Power Allocation in the OFDMA System: Complexity Analysis and An Iterative Reweighted Minimization Framework

        International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Brisbane, Australia, April 19-24, 2015

    Optimal Resource Allocation for Wireless Communications: Complexity Analysis and Algorithm Design

        2014 Workshop on Signal Processing, Optimization, and Control (SPOC), National University of Defense Technology, Changsha, China, December 22-25, 2014

        Institute of Network Coding/Department of Information Engineering, The Chinese University of Hong Kong, October 22, 2014

    Joint Power and Admission Control(: A Sparse Optimization Perspective)

        SIAM Conference on Optimization, Vancouver, Canada, May 22–25, 2017

        2014 Chinese Mathematical Programming Meeting, Henan University of Science and Technology, Luoyang, China, May 9-12, 2014

        2013 PKU Workshop on Optimization and Data Sciences, Peking University, Beijing, China, December 22, 2013

    Non-Convex Lq Minimization Approximation

        The 9th International Conference on Numerical Optimization and Numerical Linear Algebra, Changchun, China, September 12-15, 2013

    An Efficient Truncated Newton-CG Algorithm for the Smallest Enclosing Ball Problem of Huge Dimensions

        The 4th International Conference on Continuous Optimization (ICCOPT), Lisbon, Portugal, July 27-August 1, 2013

    Joint Power and Admission Control: Non-Convex Approximation and A Polynomial-Time Deflation Approach

        The 2nd International Workshop on Mathematical Issues in Information Sciences (MIIS), Xi'an, China, June 29-July 4, 2013

    Joint Power and Admission Control: Non-Convex Approximation, Complexity, and A Polynomial-Time Deflation Approach

        IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Darmstadt, Germany, June 16-19, 2013

    Max-Min Fairness Linear Transceiver Design Problem for a SIMO Interference Channel is Polynomial Time Solvable

        International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Vancouver, Canada, May 26-31, 2013

    Joint Power and Admission Control via p Norm Minimization Deflation

        International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Vancouver, Canada, May 26-31, 2013

    Max-Min Fairness Linear Transceiver Design for a Multi-User MIMO Interference Channel

        The 2nd Sino-German Workshop on Optimization, Modeling, Methods, and Applications in Industry and Management, Beijing, China, September 23-27, 2012

        International Symposium on Mathematical Programming (ISMP), Berlin, Germany, August 19-24, 2012

        IEEE International Conference on Communications (ICC), Kyoto, Japan, June 5-9, 2011

    An Efficient Distributed Algorithm for Joint Power and Admission Control

        The 31th Chinese Control Conference (CCC), Hefei, China, July 25-27, 2012

    Joint Power and Admission Control via Linear Programming Deflation

        IEEE ICASSP, Kyoto, Japan, March 25-30, 2012

    On the Complexity of Interference Alignment Feasibility Problem

        Chinese Symposium on Mathematical Programming, Shanghai University, Shanghai, China, May 22-25, 2010