E-mail: krzysztof.walkowiak@pwr.edu.pl

Position: Dean of Doctoral School

Unit: Faculty of Information and Communication Technology (N) » Department of Systems and Computer Networks

ul. Z. Janiszewskiego 11/17, 50-372 Wrocław
building C-3, room 108
phone +48 71 320 3361

Research fields

• Network optimization; network survivability; optical networks (Elastic Optical Networks, Space Division Multiplexing); soft optimization methods; distributed computing systems (cloud computing, data centers, P2P).

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Recent papers

2018

• Klinkowski M., Lechowicz P., Walkowiak K., Survey of resource allocation schemes and algorithms in spectrally-spatially flexible optical networking, Optical Switching and Networking, Vol. 27, No. 1, pp. 58-78, 2018.

2016

• Klinkowski M., Walkowiak K., On Performance Gains of Flexible Regeneration and Modulation Conversion in Translucent Elastic Optical Networks with Super-channel Transmission, IEEE Journal of Lightwave Technology, Vol. 34, No. 23, 2016.

2015

• Tornatore M., Rottondi C., Goścień R., Walkowiak K., Rizzelli G. and Morea A., On the Complexity of Routing and Spectrum Assignment in Flexible-Grid Ring Networks, IEEE/OSA Journal of Optical Communications and Networking, Vol. 7, Issue 2, pp. A256-A267, 2015.
• Goścień R., Walkowiak K., Klinkowski M., Tabu Search Algorithm for Routing, Modulation and Spectrum Allocation in Elastic Optical Network with Anycast and Unicast Traffic, Computer Networks, Vol. 79, pp. 148-165, 2015.
• Przewoźniczek M., Goścień R., Walkowiak K., Klinkowski M., Towards solving practical problems of large solution space using a novel pattern searching hybrid evolutionary algorithm - An elastic optical network optimization case study, Expert Systems with Applications, Vol. 21, Issue 21, pp. 7781-7796, 2015.
• Goścień R., Walkowiak K., Klinkowski M., Rak J., Protection in Elastic Optical Networks, IEEE Network, Vol. 29, No. 6, pp. 88-96, 2015.

2013

• Klinkowski M., Walkowiak K., On Advantages of Elastic Optical Networks for Provisioning of Cloud Computing Traffic, IEEE Network, Vol. 27, No. 6, pp. 44-51, 2013.
• Chmaj G., Walkowiak K., A P2P computing system for overlay networks, Future Generation Computer Systems, Vol. 29, No. 1, pp. 242-249, 2013.

Papers in DONA database

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Selected publications
1	Article 2023 Aleksandra M Knapińska, Róża Goścień, Piotr Lechowicz, Krzysztof Walkowiak, Link load prediction in an optical network with restoration mechanisms. Journal of Optical Communications and Networking. 2023, vol. 15, nr 5, s. B42-B52. ISSN: 1943-0620; 1943-0639 Resources:DOIURLSFX
2	Article 2023 Damian Mroziński, Mirosław Klinkowski, Krzysztof Walkowiak, Cost-aware DU placement and flow routing in 5G packet xHaul networks. IEEE Access. 2023, vol. 11, s. 12710-12726. ISSN: 2169-3536 Resources:DOIURLSFX
3	Proceeding paper 2022 Aleksandra M Knapińska, Piotr Lechowicz, Krzysztof Walkowiak, Prediction of multiple types of traffic with a novel evaluation metric related to bandwidth blocking. W: 2022 IEEE Global Communications Conference (GLOBECOM) : proceedings, Rio de Janeiro, Brazil, 4-8 December 2022. Danvers, MA : IEEE, cop. 2022. s. 2927-2932. ISBN: 978-1-6654-3540-6 Resources:DOIURL
4	Proceeding paper 2022 Agnieszka Ganowicz, Bartosz Starosta, Aleksandra M Knapińska, Krzysztof Walkowiak, Short-term network traffic prediction with multilayer perceptron. W: Sri Lanka Association for Artificial Intelligence 18th Annual Sessions : 6th SLAAI International Conference on Artificial Intelligence (SLAAI-ICAI-2022), 01st & 02nd December 2022 : via Zoom. [Danvers, MA] : IEEE, cop. 2022. s. 1-6. ISBN: 978-1-6654-7608-9; 978-1-6654-7607-2 Resources:DOIURL
5	Article 2022 Marcin M Komarnicki, Michał Przewoźniczek, Halina Kwaśnicka, Krzysztof Walkowiak, Incremental recursive ranking grouping for large scale global optimization. IEEE Transactions on Evolutionary Computation. 2022, s. 1-15. ISSN: 1089-778X; 1941-0026 Resources:DOIURL
6	Proceeding paper 2022 Dominik Dulas, Katarzyna G Maraj-Zygmąt, Krzysztof Walkowiak, Method of 5G TDD Midhaul Multiplexing Gain Estimation based on System-Level Traffic Measurements. W: 30th International Conference on Software, Telecommunications and Computer Networks, SoftCOM 2022, September 22-24, 2022, Split, Croatia / eds. Dinko Begušić [i in.]. Croatia : FESB. University of Split ; IEEE, cop. 2022. s. 1-5. ISBN: 978-1-6654-7018-6; 978-953-290-117-7 Resources:DOIURL
7	Article 2022 Aleksandra M Knapińska, Piotr Lechowicz, Weronika T Węgier, Krzysztof Walkowiak, Long-term prediction of multiple types of time-varying network traffic using chunk-based ensemble learning. Applied Soft Computing. 2022, vol. 130, art. 109694, s. 1-19. ISSN: 1568-4946; 1872-9681 Resources:DOIURLSFX
8	Article 2022 Dominik Piątkowski, Krzysztof Walkowiak, TinyML-based concept system used to analyze whether the face mask is worn properly in battery-operated conditions. Applied Sciences. 2022, vol. 12, nr 1, art. 484, s. 1-24. ISSN: 2076-3417 Resources:DOIURLSFX
9	Proceeding paper 2022 Piotr Lechowicz, Aleksandra M Knapińska, Krzysztof Walkowiak, Delayed squeezed dedicated path protection in spectrally-spatially flexible optical networks. W: 2022 12th International Workshop on Resilient Networks Design and Modeling (RNDM), September 19-21, 2022, Compiegne, France : proceedings / eds. Dritan Nace, Jacek Rak, Artur Tomaszewski. Danvers, MA : IEEE, cop. 2022. s. 1-7. ISBN: 978-1-6654-8677-4 Resources:DOIURL
10	Proceeding paper 2022 Aleksandra M Knapińska, Katarzyna Półtorak, Dominika Poręba, Jan Miszczyk, Mateusz Daniluk, Krzysztof Walkowiak, On feature selection in short-term prediction of backbone optical network traffic. W: 2022 International Conference on Optical Network Design and Modeling (ONDM), 16-19 May 2022, Warsaw, Poland. [Danvers, MA : IEEE] ; IFIP, cop. 2022. s. 1-6. ISBN: 978-3-903176-44-7 Resources:DOIURL

All publications