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Dr.-Ing. Alexander Fengler



Education

Postdoctoral Researcher at the Chair for Communication and Information Theory at TU Berlin
2021- Current

PhD Student at the Chair for Communication and Information Theory at TU Berlin
2016-2021

B.S. in Mathematics, B.S. and M.S. in Physics at the TU Berlin
2008-2016

Research Interests

  • Approximate Message Passing
  • Unsoured Random Access
  • Sparse Regression Codes
  • Compressed Sensing/Sparse Recovery
  • Information Theory
  • Channel Coding
  • Wireless Communication

Publications

Journal
[1]
A. Fengler, S. Haghighatshoar, P. Jung, and G. Caire, “Non-Bayesian Activity Detection, Large-Scale Fading Coefficient Estimation, and Unsourced Random Access With a Massive MIMO Receiver,” IEEE Transactions on Information Theory, vol. 67, no. 5, pp. 2925–2951, May 2021, doi: 10.1109/TIT.2021.3065291.
[2]
A. Fengler, P. Jung, and G. Caire, “SPARCs for Unsourced Random Access,” IEEE Transactions on Information Theory, vol. 67, no. 10, pp. 6894–6915, Oct. 2021, doi: 10.1109/TIT.2021.3081189.

Conference
[1]
A. Fengler, P. Jung, and G. Caire, “Unsourced Multiuser Sparse Regression Codes achieve the Symmetric MAC Capacity,” in 2020 IEEE International Symposium on Information Theory (ISIT), Jun. 2020, pp. 3001–3006. doi: 10.1109/ISIT44484.2020.9174035.
[2]
A. Fengler, S. Haghighatshoar, P. Jung, and G. Caire, “Grant-Free Massive Random Access With a Massive MIMO Receiver,” in 2019 53rd Asilomar Conference on Signals, Systems, and Computers, Nov. 2019, pp. 23–30. doi: 10.1109/IEEECONF44664.2019.9049039.
[3]
A. Fengler, P. Jung, and G. Caire, “SPARCs and AMP for Unsourced Random Access,” in 2019 IEEE International Symposium on Information Theory (ISIT), Jul. 2019, pp. 2843–2847. doi: 10.1109/ISIT.2019.8849802.
[4]
A. Fengler, P. Jung, and G. Caire, “Pilot-Based Unsourced Random Access with a Massive MIMO Receiver in the Quasi-Static Fading Regime,” arXiv:2012.03277 [cs, math], Aug. 2021, Accessed: Aug. 13, 2021. [Online]. Available: http://arxiv.org/abs/2012.03277

Preprints
[1]
A. Fengler, G. Caire, P. Jung, and S. Haghighatshoar, “Massive MIMO Unsourced Random Access,” arXiv:1901.00828, Jan. 2019, Accessed: Jan. 07, 2019. [Online]. Available: http://arxiv.org/abs/1901.00828
[2]
A. Fengler, S. Haghighatshoar, P. Jung, and G. Caire, “Non-Bayesian Activity Detection, Large-Scale Fading Coefficient Estimation, and Unsourced Random Access with a Massive MIMO Receiver,” arXiv:1910.11266 [cs, math], Aug. 2020, Accessed: Nov. 17, 2020. [Online]. Available: http://arxiv.org/abs/1910.11266
[3]
A. Fengler and P. Jung, “On the Restricted Isometry Property of Centered Self Khatri-Rao Products,” arXiv:1905.09245, May 2019, Accessed: Jun. 04, 2019. [Online]. Available: http://arxiv.org/abs/1905.09245
[4]
A. Fengler, P. Jung, and G. Caire, “Pilot-Based Unsourced Random Access with a Massive MIMO Receiver in the Quasi-Static Fading Regime,” arXiv:2012.03277 [cs, math], Aug. 2021, Accessed: Aug. 13, 2021. [Online]. Available: http://arxiv.org/abs/2012.03277
[5]
A. Fengler, P. Jung, and G. Caire, “SPARCs for Unsourced Random Access,” arXiv:1901.06234 [cs, math], Jun. 2020, Accessed: Aug. 24, 2020. [Online]. Available: http://arxiv.org/abs/1901.06234