Research Areas
- Polar code decoders
Publications
Dynamic Path Activation for Energy-Efficient List Decoding
L. Johannsen, C. Kestel, T. Vogt, N. Wehn. Accepted for Publication, 14th International ITG Conference on Systems, Communications and Coding (SCC), March 2025, Karlsruhe, Germany.
5G/6G Channel Coding under Silicon Implementation Constraints
O. Griebel, L. Johannsen, C. Kestel, M. Herrmann, N. Wehn. Accepted for Publication, Asilomar Conference on Signals, Systems, and Computers, October 2024, Pacific Grove, Californien, USA.
Framework for Efficient Exploration of Polar Code Decoders in THz Communication Systems
C. Kestel, L. Johannsen, N. Wehn. Accepted for Publication, International Conference on Mobile and Miniaturized Terahertz Systems (ICMMTS 2025), Dubai, UAE
Row-Merged Polar Codes: Analysis, Design and Decoder Implementation
A. Zunker, M. Geiselhart, L. Johannsen, C. Kestel, S. ten Brink, T. Vogt, N. Wehn. IEEETransactions on Communications, July 2024.
DOI: 10.1109/TCOMM.2024.3432688
Trends in Channel Coding for 6G
S. Miao, C. Kestel, L. Johannsen, M. Geiselhart, L. Schmalen, A. Balatsoukas-Stimming, G. Liva, N. Wehn, S. ten Brink. Proceedings of the IEEE, June 2024.
DOI: 10.1109/JPROC.2024.3416050
High-Throughput Polar Code Decoders with Information Bottleneck Quantization
C. Kestel, L. Johannsen, N. Wehn. Entropy, Special Issue "Intelligent Information Processing and Coding for B5G Communications", May, 2024.
Link
Successive Cancellation Automorphism List Decoding of Polar Codes
L. Johannsen, C. Kestel, M. Geiselhart, T. Vogt, S. ten Brink, N. Wehn. International Symposium on Topics in Coding 2023 (ISTC 2023), September, 2023, Brest, France
Automorphism Ensemble Polar Code Decoders for 6G URLLC
C. Kestel, M. Geiselhart, L. Johannsen, S. ten Brink, N. Wehn.International ITG 26th Workshop on Smart Antennas and 13th Conference on Systems, Communications, and Coding (WSA&SCC 2023), March, 2023, Braunschweig, Germany.
Parallel Single Parity Check Nodes for High-Throughput Fast-SSCL Polar Code Decoders
L. Johannsen, C. Kestel, T. Vogt, N. Wehn. IEEE Symposium on Future Telecommunication Technologies (SOFTT), November, 2022, Johor Bahru, Malaysia.
Best Paper Award
Partial Order-Based Decoding of Rate-1 Nodes in Fast Simplified Successive-Cancellation List Decoders for Polar Codes
L. Johannsen, C. Kestel, O. Griebel, T. Vogt, N. Wehn. MDPI Electronics, Special Issue "VLSI Architectures for Wireless Communications and Digital Signal Processing", February, 2022.
Link
A 506 Gbit/s Polar Successive Cancellation List Decoder with CRC
C. Kestel, L. Johannsen, O. Griebel, J. Jimenez, T. Vogt, T. Lehnigk-Emden, N. Wehn. IEEE 31st PIMRC'20 - Workshop on Enabling Technologies for Terahertz Communications, September, 2020, virtual conference.