Dr. Paschalis Tsiaflakis | OPTEC - K.U.Leuven CoE Optimization in Engineering

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Dr. Paschalis Tsiaflakis (ESAT)

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Dynamic and Embedded Optimization (WG1)

IT (Articles in internationally reviewed academic journals)

Tsiaflakis, P., Yi, Y., Chiang, M., Moonen, M. (2012). Throughout and delay performance of DSL broadband access with cross-layer dynamic spectrum management. IEEE Transactions on Communications, accepted.

Bastos Moraes, R., Tsiaflakis, P., Moonen, M. (2011). Dynamic Spectrum Management in DSL with Asynchronous Crosstalk. IEEE Transactions on Signal Processing, accepted.

Tsiaflakis, P., Yi, Y., Chiang, M., Moonen, M. (2011). Fair greening of broadband access : spectrum management for energy-efficient DSL networks. EURASIP Journal on Wireless Communications and Networking, 140, 1-14.

Tsiaflakis, P., Necoara, I., Suykens, J., Moonen, M. (2009). Improved Dual Decomposition Based Optimization for DSL Dynamic Spectrum Management. IEEE Transactions on Signal Processing, 58 (4), 2230-2245.

Tsiaflakis, P., Diehl, M., Moonen, M. (2008). Distributed spectrum management algorithms for multiuser DSL networks. IEEE Transactions on Signal Processing, 56 (10), 4825-4843.

Vangorp, J., Tsiaflakis, P., Moonen, M., Verlinden, J. (2007). Joint spectrum management and constrained partial crosstalk cancellation in a multi-user xDSL environment. Signal Processing, 87 (12), 3131-3146.

Tsiaflakis, P., Vangorp, J., Moonen, M., Verlinden, J. (2007). A low complexity optimal spectrum balancing algorithm for digital subscriber lines. Signal Processing, 87 (7), 1735-1753.

Tsiaflakis, P., Vangorp, J., Verlinden, J., Moonen, M. (2007). Multiple access channel optimal spectrum balancing for upstream DSL transmission. IEEE Communications Letters, 11 (4), 298-300.

Vangorp, J., Tsiaflakis, P., Moonen, M., Verlinden, J., Ysebaert, G. (2007). A Dual Decomposition Approach to Partial Crosstalk Cancellation in a Multiuser DMT-xDSL Environment. EURASIP Journal on Applied Signal Processing, 2007 (Article ID 37963), 1-11.

IC (Papers at international scientific conferences and symposia, published in full in proceedings)

Tsiaflakis, P., Glineur, F. (2012). A novel class of iterative approximation methods for DSL spectrum optimization. Proc. of the IEEE International Conference on Communication (ICC 2012). IEEE International Conference on Communication (ICC 2012). Ottawa, Canada, Jun. 2012 (pp. 1-6).

Bastos Moraes, R., Tsiaflakis, P., Maes, J., Van Biesen, L., Moonen, M. (2011). The rate maximization problem in DSL with mixed spectrum and signal coordination. Proc. of the European Signal Processing Conference (EUSIPCO). EUSIPCO. Barcelona, Spain, Aug. 2011.

Kamitsos, I., Tsiaflakis, P., Ha, S., Chiang, M. (2011). Stable sleeping in DSL Broadband Access : Feasibility and Tradeoffs. Proc. IEEE Global Communications Conference (GLOBECOM 2011). IEEE Global Communications Conference (GLOBECOM 2011). Houston, Texas, Dec. 2011 (pp. 1-6).

Bastos Moraes, R., Tsiaflakis, P., Moonen, M. (2011). Dynamic spectrum management in DSL with asynchronous crosstalk. Proc. of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). ICASSP. Prague, Czech Republic, May, 2011.

Tsiaflakis, P., Bastos Moraes, R., Moonen, M. (2011). A low-complexity algorithm for joint spectrum and signal coordination in upstream DSL transmission. Proc. of the 18th IEEE Symposium on Communications and Vehicular Technology in the Benelux (SCVT 2011). 18th IEEE Symposium on Communications and Vehicular Technology in the Benelux. Gent, Belgium, Nov. 2011 (pp. 1-5).

Li, B., Tsiaflakis, P., Moonen, M., Maes, J., Guenach, M. (2010). Dynamic resource allocation based partial crosstalk cancellation in DSL networks. Proc. of GLOBECOM. GLOBECOM 2010. Miami, USA, Dec. 2010.

Tsiaflakis, P., Yi, Y., Chiang, M., Moonen, M. (2009). Fair Greening for DSL Broadband Access. Proc. of the GreenMetrics Workshop in conjunction with ACM Sigmetrics/Performance. GreenMetrics Workshop in conjunction with ACM Sigmetrics/Performance. Seattle, US, Jun. 2009 (pp. 1-5).

Tsiaflakis, P., Yi, Y., Chiang, M., Moonen, M. (2009). Green DSL: Energy-Efficient DSM. Proc. of the IEEE International Conference on Communications (ICC 2009). IEEE International Conference on Communications (ICC 2009). Dresden, Germany, Jun. 2009 (pp. 1-5).

Tsiaflakis, P., Necoara, I., Suykens, J., Moonen, M. (2009). An improved dual decomposition approach to DSL dynamic spectrum management. Prof. of the 17th European Singal Processing Conference (EUSIPCO). 17th European Singal Processing Conference (EUSIPCO). Glasgow, U.K., Aug. 2009.

Tsiaflakis, P., Tan, C., Yi, Y., Chiang, M., Moonen, M. (2008). Optimality Certificate of Dynamic Spectrum Management in Multi-Carrier Interference Channels. Proc. of the IEEE International Symposium on Information Theory (ISIT). IEEE International Symposium on Information Theory (ISIT). Toronto, Canada, Jul. 2008 (pp. 1298-1302).

Tsiaflakis, P., Yi, Y., Chiang, M., Moonen, M. (2008). Throughput and Delay of DSL Dynamic Spectrum Management with Dynamic Arrivals. Proc. of the IEEE Global Communications Conference (GLOBECOM). IEEE Global Communications Conference (GLOBECOM). New Orleans, USA, Nov. 2008.

Tsiaflakis, P., Moonen, M. (2008). Low-Complexity Dynamic Spectrum Management Algorithms for Digital Subscriber Lines. Proc. of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP). IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP). Las Vegas, Nevada, Apr. 2008 (pp. 2769-2772).

Tsiaflakis, P., Vangorp, J., Moonen, M., Verlinden, J. (2007). Convex Relaxation Based Low-Complexity Optimal Spectrum Balancing For Multi-User DSL. Proc. of the International Conference on Acoustics, Speech and Signal Processing (ICASSP). International Conference on Acoustics, Speech and Signal Processing (ICASSP). Honolulu, Hawaii, Apr. 2007.

Tsiaflakis, P., Moonen, M. (2007). Low-Complexity Distributed Power Optimization for DSL Networks. Proc. of the International Conference on Continuous Optimization (ICCOPT 07 - MOPTA 07). International Conference on Continuous Optimization (ICCOPT 07 - MOPTA 07). Hamilton, Canada, Aug. 2007 (pp. 1-1).

Tsiaflakis, P., Vangorp, J., Moonen, M., Verlinden, J., Van Acker, K. (2006). An Efficient Search Algorithm for the Lagrange Multipliers of Optimal Spectrum Balancing in Multi-user xDSL Systems. Proc. of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP): Vol. 4. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). Toulouse, France, May 2006 (pp. IV 101-104).

Vangorp, J., Tsiaflakis, P., Moonen, M., Verlinden, J., Van Acker, K. (2006). Optimal Spectrum Balancing in multi-user xDSL systems with ON/OFF power loading. Proc. of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). Toulouse, France, May 2006 (pp. IV 621-624).

Tsiaflakis, P., Vangorp, J., Moonen, M., Verlinden, J., Ysebaert, G. (2006). Partial crosstalk cancellation in a multi-user xDSL environment. Proc. of the International Conference on Communications (ICC). International Conference on Communications (ICC). Istanbul, Turkey, Jun. 2006.

Vangorp, J., Tsiaflakis, P., Moonen, M., Verlinden, J. (2006). Joint spectrum management and constrained partial crosstalk cancellation in a multi-user xDSL environment. Proc. of the European Signal Processing Conference (EUSIPCO). European Signal Processing Conference (EUSIPCO). Florence, Italy, Sep. 2006.

Tsiaflakis, P., Vangorp, J., Moonen, M., Verlinden, J. (2006). A Low Complexity Branch and Bound Approach to Optimal Spectrum Balancing for Digital Subscriber Lines. Proc. of the IEEE Global Communications Conference (GLOBECOM). IEEE Global Communications Conference (GLOBECOM). San Francisco, USA, Nov. 2006.

IMa (Meeting abstracts, presented at international scientific conferences and symposia, published or not published in proceedings or journals)

Chiang, M., Tsiaflakis, P., Yi, Y., Moonen, M. (2009). Green DSL: Optimizing Fairly for Energy Efficiency. Proc. of 20th International Symposium on Mathematical Programming (ISMP). 20th International Symposium on Mathematical Programming (ISMP). Chicago, USA, Aug. 2009.

TH (Thesis)

Tsiaflakis, P., Moonen, M. (sup.) (2009). Resource Management and Optimization in Multi-User DSL Systems (Middelenbeheer en -optimalisatie van DSL systemen met meerdere gebruikers), 329 pp.

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Newsflash

Two OPTEC professors have been awarded three "Gouden Krijtjes", the yearly teaching awards given by the organization of engineering students (vtk). Prof. Lombaert was awarded the prize for the best course in civil engineering, and Prof. Diehl the prizes for the best professor and the best course in mathematical engineering (where he teaches numerical optimization). They received these awards at the yearly "proffentap" where experienced students taught them how to draft beer professionally.