PhD Researcher
Alexander Hefele received his Diploma degree (Dipl.-Ing.) in electrical and computer engineering from the Technical University Dresden, Germany in 2022. Currently he is working towards a PhD at the “Deutsche Telekom Chair of Communication Networks” as a member of the “6G-life” research hub. This hub is aiming to enable cutting edge technologies for future communication networks with focus on human-machine interaction and collaboration.
His research focus is on distributed robotic systems.
Phone: +49 351 463-38601 Email: alexander.hefele@tu-dresden.de Room: BAR I/12
von Lengerke, Caspar; Hefele, Alexander; Cabrera, Juan A.; Reisslein, Martin; Fitzek, Frank H. P.
Beyond the Bound: A New Performance Perspective for Identification via Channels Journal Article
In: IEEE Journal on Selected Areas in Communications, vol. 41, iss. 8, pp. 2687-2706, 2023.
Links | BibTeX
@article{lengerke2023beyondthebound, title = {Beyond the Bound: A New Performance Perspective for Identification via Channels}, author = {Caspar {von Lengerke} and Alexander {Hefele} and Juan A. {Cabrera} and Martin {Reisslein} and Frank H. P. {Fitzek}}, doi = {10.1109/JSAC.2023.3288239}, year = {2023}, date = {2023-06-21}, urldate = {2023-06-21}, journal = {IEEE Journal on Selected Areas in Communications}, volume = {41}, issue = {8}, pages = {2687-2706}, publisher = {IEEE}, keywords = {}, pubstate = {published}, tppubtype = {article} }
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von Lengerke, Caspar; Hefele, Alexander; Cabrera, Juan A.; Kosut, Oliver; Reisslein, Martin; Fitzek, Frank H. P.
Identification Codes: A Topical Review with Design Guidelines for Practical Systems Journal Article
In: IEEE Access, vol. 11, pp. 14961-14982, 2023.
@article{lengerke2023idcodes, title = {Identification Codes: A Topical Review with Design Guidelines for Practical Systems}, author = {Caspar {von Lengerke} and Alexander {Hefele} and Juan A. {Cabrera} and Oliver {Kosut} and Martin {Reisslein} and Frank H. P. {Fitzek}}, doi = {10.1109/ACCESS.2023.3244071}, year = {2023}, date = {2023-02-10}, urldate = {2023-01-01}, journal = {IEEE Access}, volume = {11}, pages = {14961-14982}, keywords = {}, pubstate = {published}, tppubtype = {article} }
von Lengerke, Caspar; Hefele, Alexander; Cabrera, Juan A.; Fitzek, Frank H. P.
Stopping the Data Flood: Post-Shannon Traffic Reduction in Digital-Twins Applications Proceedings Article
In: NOMS 2022-2022, pp. 1-5, 2022, ISSN: 2374-9709.
Abstract | Links | BibTeX
@inproceedings{lengerke2022, title = {Stopping the Data Flood: Post-Shannon Traffic Reduction in Digital-Twins Applications}, author = {Caspar {von Lengerke} and Alexander {Hefele} and Juan A. {Cabrera} and Frank H. P. {Fitzek}}, doi = {10.1109/NOMS54207.2022.9789759}, issn = {2374-9709}, year = {2022}, date = {2022-04-25}, urldate = {2022-04-25}, booktitle = {NOMS 2022-2022}, pages = {1-5}, abstract = {Digital Twin (DT) implementations can reduce latency drastically in future communication systems for steering and control of cyber-physical systems (CPS). When the CPS and its DT periodically exchange information to repair possible desynchronisations between the two systems, this can lead to large data traffic flooding the networks. This work proposes a goal-oriented communication approach based on message identification (ID), which only sends repair data when necessary, but adds control traffic and a probability of not repairing some desynchronisations between the two systems. We compare optimal ID codes and a hash function for detection whether desynchronisation correction is necessary. Our method can reduce the traffic to within 0.3 % of its optimal value while repairing 99.97 % of all desynchronisations for 4 kbit of data and grows even better for larger data.}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} }
Hefele, Alexander; Costa-Requena, Jose
SDN managed Network Slicing in Mobile Backhaul Proceedings Article
In: 2020 International Conference on Electronics, Information, and Communication (ICEIC), pp. 1-8, 2020.
@inproceedings{9051225, title = {SDN managed Network Slicing in Mobile Backhaul}, author = {Alexander {Hefele} and Jose {Costa-Requena}}, doi = {10.1109/ICEIC49074.2020.9051225}, year = {2020}, date = {2020-01-01}, urldate = {2020-01-01}, booktitle = {2020 International Conference on Electronics, Information, and Communication (ICEIC)}, pages = {1-8}, abstract = {This paper provides a solution for ultra reliable low latency communication (URLLC) module for the 5G Mobile Backhaul. This proposal considers network slicing based on Software Defined Networking (SDN) to deploy URLLC communications. This paper presents the design of the modules and algorithms that implement the network slicing functionality. It will be illustrated by applying it to a emulated Mobile Backhaul environment.}, keywords = {}, pubstate = {published}, tppubtype = {inproceedings} }