2015

Sandmann, A.; Ahrens, A.; Lochmann, S.: Zero-Forcing Equalisation of Measured Optical Multimode MIMO Channels. In: Communications in Computer and Information Science (CCIS 554). Heidelberg, Berlin: Springer, S. 1--16, 2015.

2014
Ahrens, A.; Schröder, S.; Lochmann, S.: Modal and Chromatic Dispersion Analysis within a Measured 1,4 km MIMO Multimode Channel. In: Communications in Computer and Information Science (CCIS 456). Heidelberg, Berlin: Springer, S. 183--196, 2014.

Aust, S.; Ahrens, A.; Lochmann, S.: Iteratively Detected and SVD-assisted MIMO Multimode Transmission Schemes. In: Communications in Computer and Information Science (CCIS 455). Heidelberg, Berlin: Springer, S. 119--134, 2014.

2015

Köhnke, H.; Bartmann, P.; Ahrens, A.; Lochmann, S.: Time-Domain Simulation of optical MIMO Channel. In: Przeglad Elektrotechniczny, 4 (2015), S. 56-59.

2016

Sandmann, A.; Götten, M.; Ahrens, A. & Lochmann, S.: MIMO Signal Processing in Optical Multi-Mode Fiber Transmission using Photonic Lanterns. In: 11th International Conference on Mathematics in Signal Processing, Birmingham (United Kingdom), Dezember 2016

Ahrens, A.; Sandmann, A. & Lochmann, S.: Iteratively Detected and SVD-assisted MIMO-BICM Multi-Mode Transmission Schemes using Optical Couplers. In: 11th International Conference on Mathematics in Signal Processing, Birmingham (United Kingdom), Dezember 2016

Ahrens, A.; Sandmann, A.; Bremer, K.; Roth, B.; Lochmann, S.: Improving Optical Fiber Sensing by MIMO Signal Processing. In: Scientific Conference WD2016, Lublin (Polen), Juni 2016.

Wang, Z.; Sandmann, A.; McWhirter, J. G.; Ahrens, A.: Multiple Shift SBR2 Algorithm for Calculating the SVD of Broadband Optical MIMO Systems. In: 39th International Conference on Telecommunications and Signal Processing (TSP), Wien (Österreich), Juni 2016.

Ahrens, A.; Sandmann, A.; Bremer, K.; Roth, B.; Lochmann, S.: Optical force Sensor based on multi-mode Fiber and MIMO Signal Processing. In: International Conference on Applied Optics and Photonics, Hannover (Deutschland), Mai 2016.

Sandmann, A.; Ahrens, A.; Lochmann, S.: Experimental Evaluation of a (4x4) Multi-Mode MIMO System Utilizing Customized Optical Fusion Couplers. In: VDE VERLAG GmbH: ITG-Fachbericht 264: Photonische Netze, Leipzig (Deutschland), Mai 2016, S. 101--105.

2015

Ahrens, A.; Sandmann, A.; Lochmann, S.; Wang, Z.: Decomposition of Optical MIMO Systems using Polynomial Matrix Factorization. In: 2nd IET International Conference on Intelligent Signal Processing (ISP), London (UK), Dezember 2015.

Bartmann, P.; Ahrens, A.; Lochmann, S.: Iterative time domain simulation of optical MIMO channels. In: Advances in Wireless and Optical Communications (RTUWO), Riga (Lettland), November 2015, S. 38-41.

Sandmann, A.; Ahrens, A.; Lochmann, S.: Power Allocation in PMSVD-based Optical MIMO Systems. In: Advances in Wireless and Optical Communications (RTUWO), Riga (Lettland), November 2015, S. 108-111.

Ahrens, A.; Sandmann, A.;Bremer, K.; Roth, B.; Lochmann, S.: Optical Fibre Sensors based on Multi-Mode fibres and MIMO Signal Processing: An experimental Approach. In: 24th International Conference on Optical Fibre Sensors (OFS24), Curitiba (Brasilien), 28. September - 2. Oktober 2015.

Sandmann, A.; Ahrens, A.; Lochmann, S.: Performance Analysis of Polynomial Matrix SVD-based Broadband MIMO Systems. In: Sensor Signal Processing for Defence Conference (SSPD), Edinburgh (Schottland), 09.--10. September 2015.

Sandmann, A.; Ahrens, A.; Lochmann, S.: Resource Allocation in SVD-Assisted Optical MIMO Systems using Polynomial Matrix Factorization. In: 16. ITG-Fachtagung Photonische Netze, Leipzig, 07.-08. Mai 2015.

Bartmann, P.; Lochmann, S.; Ahrens, A.: Utilizing the DLP1700 as a Coupling Device for Optical MIMO Transmission. In: 16. ITG-Fachtagung Photonische Netze, Leipzig, 07.-08. Mai 2015.

2014

Sandmann, A.; Ahrens, A.; Lochmann, S.: Modulation-Mode and Power Assignment in Optical MIMO Systems using Polynomial Matrix Factorization. In: 10th IMA International Conference on Mathematics in Signal Processing, Birmingham (Großbritannien), 15.--17. Dezember 2014.

Ahrens, A.; Benavente-Peces, C.: Optimum Power Allocation in GMD and SVD-based MIMO Systems. In: 10th IMA International Conference on Mathematics in Signal Processing, Birmingham (Großbritannien), 15.--17. Dezember 2014.

Sandmann, A.; Ahrens, A.; Lochmann, S.: Zero--Forcing Equalisation of Estimated Optical MIMO Channels. In: Baltic Young PhD Conference ''10 Years Baltic Summer School'', Riga (Lettland), 28.--29. Juli 2014.

Sandmann, A.; Ahrens, A.; Lochmann, S.: Modulation-Mode and Power Assignment in SVD-assisted broadband MIMO Systems using Polynomial Matrix Factorization. In: International PhD workshop in conjunction with the XI Symposium of Magnetic Measurements, Czarny Las (Polen), 20.--22. Oktober 2014 (Young PhD Best Paper Award).

Köhnke, H.; Ahrens, A.; Lochmann, S.: Time-Domain Simulation of optical MIMO Channel. In: International PhD workshop in conjunction with the XI Symposium of Magnetic Measurements, Czarny Las (Polen), 20.--22. Oktober 2014. 

Lochmann, S.; Ahrens, A.: Mode Combining Components in MultimodeMIMO Transmission Systems. In: 7th International Symposium on Automatic Control (Autsym), Wismar, 25.-26. September 2014.

Sandmann, A.; Ahrens, A.; Lochmann, S.: Time Domain Description of Optical MIMO Channels. In: 7th International Symposium on Automatic Control (Autsym), Wismar, 25.-26. September 2014.

Bartmann, P.; Lochmann, S.; Ahrens, A.; Müller, I.: Digital Mirror Devices in Optical MIMO Transmission. In: 7th International Symposium on Automatic Control (Autsym), Wismar, 25.-26. September 2014.

Köhnke, H.; Ahrens, A.; Lochmann, S.: Receiver Component Evaluation for an optical MIMO Testbed. In: 7th International Symposium on Automatic Control (Autsym), Wismar, 25.-26. September 2014.

Köhnke, H.; Schwinkendorf, R.; Daase, S.; Ahrens, A.; Lochmann, S.: Receiver Design for an Optical MIMO Testbed. In: International Conference on Optical Communication Systems (OPTICS), Wien (Österreich), 28.--30. August 2014, S. 31-36.

Sandmann, A.; Ahrens, A.; Lochmann, S.: Equalisation of Measured Optical MIMO Channels. In: International Conference on Optical Communication Systems (OPTICS), Wien (Österreich), 28.--30. August 2014, S. 37-44.

Ahrens, A.; Lochmann, S.: MIMO-BICM Multimode Transmission Schemes with iterative Detection. In: 9th International Conference Intelligent Technologies in Logistics and Mechatronics Systems (ITELMS), Panevezys (Litauen), 22.-23. Mai 2014, S. 11-16.

Sandmann, A.; Ahrens, A.; Lochmann, S.: Experimental Description of Multimode MIMO Channels utilizing Optical Couplers. In: 15. ITG-Fachtagung Photonische Netze, Leipzig, 05.--06. Mai 2014.

2013

Sandmann, A.; Ahrens, A.; Lochmann, S.: Signal Deconvolution of Measured Optical MIMO-Channels. In: XV International PhD Workshop, Wisla (Polen), 19.--22. Oktober 2013, S. 278--283.

Ahrens, A.; Schröder, A.; Lochmann, S.: Dispersion Analysis within a Measured 1,4 km MIMO Multimode Channel. In: International Conference on Optical Communication Systems (OPTICS), Reykjavik (Island), 29.--31.Juli 2013, S. 391-397.

Ahrens, A.; Lochmann, S.: Optical Couplers in Multimode MIMO Transmission Systems: Measurement Results and Performance Analysis. In: International Conference on Optical Communication Systems (OPTICS), Reykjavik (Island), 29.--31.Juli 2013, S. 398-403.

2012

Aust, S.; Ahrens, A.; Lochmann, S.: Channel-Encoded and SVD-assisted MIMO Multimode Transmission Schemes with Iterative Detection. In: International Conference on Optical Communication Systems (OPTICS), Rom (Italien), 24.--27.Juli 2012, S. 353-360.

Lochmann, S.; Ahrens, A.: Experimental Research on Optical Multimode Fibre Channels, Keysight AG, Böblingen, 15. Januar 2015.