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Yang YANG (杨阳)

Research associate

Fakultät oder Zentrum Interdisciplinary Centre for Security, Reliability and Trust
Forschungseinheit SnT
Postadresse Université du Luxembourg
29, avenue JF Kennedy
L-1855 Luxembourg
Büroadresse JFK Building, E03-326
E-Mail
Telefon (+352) 46 66 44 5642
Fax (+352) 46 66 44 35642

My education background and professional experience are as follows:

  • 2005.09 - 2009.07, B.S., School of Information Science and Engineering, Southeast University, Nanjing, China.
  • 2009.09 - 2013.08, Ph.D., Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Hong Kong, China.
  • 2013.11 - 2015.11, Research associate, Communication Systems Group, Technische Universität Darmstadt, Darmstadt, Germany.
  • 2015.12 - 2017.10, Senior standards and research scientist, Intel, Munich, Germany.
  • 2017.11 - now, Research associate, SnT, University of Luxembourg, Luxembourg.

My research interests are in parallel and distributed solution methods in convex optimization and nonlinear programming, with applications in communication networks and signal processing.

Here is my Curriculum Vitae.

Here is my page on Google Scholar.

My ORCID is 0000-0003-2817-3686.

The paper and code downloaded from this website cannot be used for commercial purposes. Please read the user license before downloading.

Last updated on: Montag, den 13. Mai 2019

May 14, 2018: New paper on inexact block coordinate descent algorithm for nonsmooth nonconvex optimization here.

  • In the proposed algorithm, each block variable is updated by solving the optimization problem with respect to that block variable inexactly: when a descent algorithm is used, it can be terminated after a finite number of iterations.

Feb. 11, 2018: The submission to ICASSP 2019 on sparse phase retrieval is accepted. See you in Brighton, UK!

  • This submission is about an inexact majorization-minimization algorithm for phase retrieval problem (to retrieve information from magnitude-only measurements). This is a challenging but interesting problem because the data fidelity function is nonsmooth and nonconvex. An efficient and flexible algorithm that shows superior performance and robustness is proposed. Paper can be downloaded here.

Oct. 04, 2018: The submission to IEEE Journal of Selected Topics in Signal Processing (special issue on Data Science: Robust Subspace Learning and Tracking) is accepted.

  • This submission is about successive convex approximation algorithms for nonconvex nonsmooth optimization problems, where the regularization functions are nonconvex (difference of convex functions). The proposed algorithm is a marriage of successive convex approximation algorithms and majorization-minimization algorithms. Among others, an efficient line search is proposed that notably accelerates the convergence speed and reduces the algorithm complexity. Paper can be downloaded here.

Jun. 28, 2018: The video tutorial (together with Marius Pesavento) on successive pseudoconvex approximation algorithms is online. [video][ slides].

The video can also be downloaded here.

May 18, 2018: The submission to EUSIPCO 2018 is accepted. See you in Rome, Italy!

  • This submission is about hybrid successive convex approximation algorithms for large-scale nonlinear regression problems. At each iteration, only a subset of block variables are updated and efficient line search is performed only along the coordinate of that particular block variable. The hybrid updating scheme notably relaxes the algorithm's requirement on the processing/storage unit. Paper and code can be downloaded here.

Apr. 30, 2018: The submission to SAM 2018 is accepted. See you in Sheffield, UK!

  • This submission is about successive convex approximation algorithms for nonconvex nonsmooth optimization problems, where the regularization functions are nonconvex. Among others, an efficient line search is proposed that notably accelerates the convergence speed and reduces the algorithm complexity. Paper can be downloaded here.

Feb. 15, 2018: A journal paper on energy efficiency optimization in MIMO interference channels is submitted to IEEE Transactions on Signal Processing. Paper and code can be downloaded here.

Feb. 14, 2018: I am organizing together with Marius Pesavento and Symeon Chatzinotas a special session on "large-scale optimization and signal processing for big data and machine learning" in SAM 2018.

Jan. 30, 2018: Two submissions to ICASSP 2018 are accepted. See you in Calgary, Canada!

  • The first submission is about rank- and element-sparse optimization problem. The proposed parallel best-response algorithm is based on successive convex approximation with an efficient implementation of the line search for the stepsize. Paper and code can be downloaded here.
  • The second submission is about energy efficiency optimization in MIMO interference channels. The proposed parallel best-response algorithm for sum energy efficiency optimization problem (sum-of-ratio function) is based on successive pseudoconvex approximation, and the variable updates can be calculated by closed-form expressions. Paper can be downloaded here.

Jan. 29, 2018: I have closed my personal website on Google Sites. This SnT page will be the only "official" one.



Last updated on: 14 Mai 2019

Lectures

  • A 3-hour video tutorial on the successive pseudoconvex approximation framework here

Software/Code

  • STELA in Python here
    • STELA is a parallel best-response (Jacobi) algorithm for LASSO. It exhibits a fast, reliable and stable performance.
    • Theoretical derivations are contained in Sec. IV-C of the paper: Y. Yang and M. Pesavento, "A unified successive pseudoconvex approximation framework", IEEE Transactions on Signal Processing, 2017. 



Last updated on: 12 Feb 2019

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Articles published in scientific periodicals

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See detailSuccessive convex approximation algorithms for sparse signal estimation with nonconvex regularizations
Yang, Yang; Pesavento, Marius; Chatzinotas, Symeon; Ottersten, Björn

in IEEE Journal of Selected Topics in Signal Processing (2018), 12(6), 1286-1302

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See detailJoint and competitive caching designs in large-scale multi-tier wireless multicasting networks
Cui, Ying; Wang, Zitian; Yang, Yang; Yang, Feng; Ding, Lianghui; Qian, Liang

in IEEE Transactions on Communications (2018), 66(6), 3108-3121

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See detailTransceiver design of optimum wirelessly powered full-duplex MIMO IoT devices
Xue, Jiang; Biswas, Sudip; Cirik, Ali Cagatay; Du, Huiqin; Yang, Yang; Ratnarajah, Tharmalingam; Sellathurai, Mathini

in IEEE Transactions on Communications (2018), 66(5), 1955-1969

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See detailA unified successive pseudoconvex approximation framework
Yang, Yang; Pesavento, Marius

in IEEE Transactions on Signal Processing (2017), 65(13), 3313-3328

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See detailAn online parallel algorithm for recursive estimation of sparse signals
Yang, Yang; Marius, Pesavento; Mengyi, Zhang; Daniel, Palomar

in IEEE Transactions on Signal and Information Processing over Networks (2016), 2(3), 290-305

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See detailA parallel decomposition method for nonconvex stochastic multi-agent optimization problems
Yang, Yang; Scutari, Gesualdo; Palomar, Daniel; Pesavento, Marius

in IEEE Transactions on Signal Processing (2016), 64(11), 2949-2964

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See detailRobust MIMO cognitive radio systems under interference temperature constraints
Yang, Yang; Scutari, Gesualdo; Song, Peiran; Palomar, Daniel

in IEEE Journal on Selected Areas In Communications (2013), 31(11), 2465-2482

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See detailMulti-portfolio optimization: A potential game approach
Yang, Yang; Rubio, Francisco; Scutari, Gesualdo; Palomar, Daniel

in IEEE Transactions on Signal Processing (2013)

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Scientific congresses, symposiums and conference proceedings – Papers published in a book

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See detailParallel coordinate descent algorithms for sparse phase retrieval
Yang, Yang; Pesavento, Marius; Eldar, Yonina C.; Ottersten, Björn

in Proc. 2019 IEEE International Conference on Acoustics, Speech and Signal (ICASSP) (2019, May)

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See detailPower and Load Optimization in Interference-Coupled Non-Orthogonal Multiple Access Networks
Lei, Lei; You, Lei; Yang, Yang; Yuan, Di; Chatzinotas, Symeon; Ottersten, Björn

in IEEE Global Communications Conference (GLOBECOM) 2018 (2018, December)

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See detailParallel and hybrid soft-thresholding algorithms with line search for sparse nonlinear regression
Yang, Yang; Pesavento, Marius; Chatzinotas, Symeon; Ottersten, Björn

in Proc. 26th European Signal Processing Conference (2018, September)

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See detailSuccessive convex approximation algorithms for sparse signal estimation with nonconvex regularizations
Yang, Yang; Pesavento, Marius; Chatzinotas, Symeon; Ottersten, Björn

in Proc. The 10th IEEE Sensor Array and Multichannel Signal Processing Workshop (2018, July)

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See detailOptimization of weighted individual energy efficiencies in interference networks
Matthiesen, Bho; Yang, Yang; Jorswieck, Eduard

in Proc. IEEE Wireless Communications and Networking Conference (2018, April)

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See detailEnergy efficiency in MIMO interference channels: Social optimality and max-min fairness
Yang, Yang; Pesavento, Marius

in Proc. 2018 IEEE International Conference on Acoustics, Speech and Signal (2018, April)

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See detailA parallel best-response algorithm with exact line search for nonconvex sparsity-regularized rank minimization
Yang, Yang; Pesavento, Marius

in Proc. 2018 IEEE International Conference on Acoustics, Speech and Signal (2018, April)

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See detailJoint and competitive caching designs in large-scale multi-tier wireless multicasting networks
Wang, Zitian; Cao, Zhehan; Cui, Ying; Yang, Yang

in Proc. 60th IEEE Global Communications Conference (2017, December)

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See detailEnergy efficient transmission in MIMO interference channels with QoS constraints
Yang, Yang; Pesavento, Marius

in Proc. 8th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (2017, December)

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See detailMobile network energy efficiency optimization in MIMO multi-cell systems
Yang, Yang; Sabella, Dario

in Proc. 5th International Workshop on Cloud Technologies and Energy Efficiency in Mobile Communication Networks (2017, June 22)

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See detailA parallel algorithm for energy efficiency maximization in massive MIMO networks
Yang, Yang; Pesavento, Marius

in Proc. 2016 IEEE Global Communications Conference (2016, December)

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See detailMultidimensional sparse recovery for MIMO channel parameter estimation
Steffens, Christian; Yang, Yang; Pesavento, Marius

in Proc. 24th European Signal Processing Conference (2016, August)

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See detailParallel low-complexity $M$-PSK Detector for large-scale MIMO systems
Hedge, Ganapati; Yang, Yang; Steffens, Christian; Pesavento, Marius

in Proc. 2016 IEEE Sensor Array and Multichannel Signal Processing Workshop (2016)

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See detailA novel iterative convex approximation method
Yang, Yang; Pesavento, Marius

in Proc. IEEE 6th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (2015, August)

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See detailA novel line search method for nonsmooth optimization problems
Yang, Yang; Pesavento, Marius

in Proc. 23rd European Signal Processing Conference (2015, August)

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See detailAn online parallel algorithm for spectrum sensing in cognitive radio networks
Yang, Yang; Zhang, Mengyi; Pesavento, Marius; Palomar, Daniel

in Proc. 48th Asilomar Conference on Signals, Systems and Computers (2014, November)

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See detailParallel stochastic decomposition algorithms for multi-agent systems
Yang, Yang; Scutari, Gesualdo; Palomar, Daniel

in Proc. IEEE 14th Workshop on Signal Processing Advances in Wireless Communications (2013, June)

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See detailRobust MIMO cognitive radio systems under interference temperature constraints
Yang, Yang; Song, Peiran; Scutari, Gesualdo; Palomar, Daniel

in Proc. 2013 IEEE International Conference on Acoustics, Speech and Signal (2013, May)

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See detailMulti-portfolio optimization: A potential game approach
Yang, Yang; Rubio, Francisco; Scutari, Gesualdo; Palomar, Daniel

in Game Theory for Networks, Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 75. Springer, Berlin, Heidelberg (2011, April)

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See detailAn efficient joint timing and frequency offset estimation for OFDM systems
Yang, Yang; Zhang, Zaichen; Huang, Qing

in Proc. IEEE 69th Vehicular Technology Conference (2009, April)

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E-Prints/Working papers – first made available on ORBilu

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See detailInexact Block Coordinate Descent Algorithms for Nonsmooth Nonconvex Optimization
Yang, Yang; Pesavento, Marius; Luo, Zhi-Quan; Ottersten, Björn

E-print/Working paper (2019)

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E-Prints/Working papers – already available on another site

Full Text
See detailEnergy efficiency optimization in MIMO interference channels: A successive pseudoconvex approximation approach
Yang, Yang; Pesavento, Marius; Chatzinotas, Symeon; Ottersten, Björn

E-print/Working paper (2018)

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