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Eingeladene Vorträge

Gesamte Liste der Veröffentlichungen

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Zeitschriftenbeiträge

1. A. Rode, M. Farsi, V. Lauinger, M. Karlsson, E. Agrell, L. Schmalen and C. Häger, "Machine learning opportunities for integrated polarization sensing and communication in optical fibers," Optical Fiber Technology, vol. 90, no. 104047, Mar. 2025
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2. A. Tsouchlos, H. Jäkel and L. Schmalen, "List-based proximal decoding for LDPC codes," IEEE Commun. Lett., vol. 28, no. 11, pp. 2464-2467, Nov. 2024, https://arxiv.org/abs/2409.07278
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3. E. Agrell, M. Karlsson, F. Poletti, S. Namiki, X. Chen, L. A. Rusch, B. Puttnam, P. Bayvel, L. Schmalen, Z. Tao, F. R. Kschischang, A. Alvarado, B. Mukherjee, R. Casellas, X. Zhou, D. van Veen, G. Mohs, E. Wong, A. Mecozzi, M. Alouini, E. Diamanti and M. Uysal, "Roadmap on optical communications," Journal of Optics, vol. 26, no. 9, pp. 93001–93064, Jul. 2024
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4. S. Miao, C. Kestel, L. Johannsen, M. Geiselhart, L. Schmalen, A. Balatsoukas-Stimming, G. Liva, N. Wehn and S. ten Brink, "Trends in channel coding for 6G," Proc. IEEE, vol. 112, no. 7, pp. 653-675, Jul. 2024
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5. V. Shatov, B. Nuss, S. Schieler, P. K. Bishoyi, L. Wimmer, M. Lübke, N. Keshtiarast, C. Fischer, D. Lindenschmitt, B. Geiger, R. Thomä, A. Fellan, L. Schmalen, M. Petrova, H. D. Schotten and N. Franchi, "Joint radar and communications: architectures, use cases, aspects of radio access, signal processing, and hardware," IEEE Access, vol. 12, pp. 47888-47914, Apr. 2024
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6. D. Brunner, L. Giroto de Oliveira, C. Muth, S. Mandelli, M. Henninger, A. Diewald, Y. Li, M. B. Alabd, L. Schmalen, T. Zwick and B. Nuss, "Bistatic OFDM-based ISAC with over-the-air synchronization: system concept and performance analysis," IEEE Trans. Microw. Theory Techn., 2024, accepted for publication, https://arxiv.org/abs/2405.04962
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7. A. von Bank, E.-M. Edelmann, S. Miao, J. Mandelbaum and L. Schmalen, "Spiking neural belief propagation decoder for short block length LDPC codes," IEEE Commun. Lett., 2024, https://arxiv.org/abs/2410.11543
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8. A. Rode, B. Geiger, S. Chimmalgi and L. Schmalen, "End-to-end optimization of constellation shaping for Wiener phase noise channels with a differentiable blind phase search," J. Lightw. Technol., vol. 41, no. 12, pp. 3849-3859, Jun. 2023, https://arxiv.org/abs/2212.03839
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9. S. Miao, L. Rapp and L. Schmalen, "Improved soft-aided decoding of product codes with dynamic reliability scores," J. Lightw. Technol., vol. 40, no. 22, pp. 7279-7288, Nov. 2022, https://arxiv.org/abs/2204.00466
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10. L. Schmid and L. Schmalen, "Low-complexity near-optimum symbol detection based on neural enhancement of factor graphs," IEEE Trans. Commun., vol. 70, no. 11, pp. 7562-7575, Nov. 2022, https://arxiv.org/abs/2203.16417
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11. V. Lauinger, F. Buchali and L. Schmalen, "Blind equalization and channel estimation in coherent optical communications using variational autoencoders," IEEE J. Sel. Areas Commun., vol. 40, no. 9, pp. 2529-2539, Sep. 2022, https://arxiv.org/abs/2204.11776
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12. L. Rapp and L. Schmalen, "Error-and-erasure decoding of product and staircase codes," IEEE Trans. Commun., vol. 70, no. 1, pp. 32-44, Jan. 2022, https://arxiv.org/abs/2103.05716
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13. A. Buchberger, C. Häger, H. D. Pfister, L. Schmalen and A. Graell i Amat, "Pruning and quantizing neural belief propagation decoders," IEEE J. Sel. Areas Commun., vol. 39, no. 7, pp. 1957–1966, Jul. 2021, https://arxiv.org/abs/2011.13594
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14. K. Gümüs, T. A. Eriksson, M. Takeoka, M. Fujiwara, M. Sasaki, L. Schmalen and A. Alvarado, "A novel error correction protocol for continuous variable quantum key distribution," Scientific Reports, vol. 11, no. 10465, May. 2021
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15. S. Le, K. Schuh, F. Buchali, X. Du, M. Grözing, M. Berroth, L. Schmalen and H. Bülow, "Single Sideband Transmission Employing a 1-to-4 ADC Frontend and Parallel Digitization," J. Lightw. Technol., vol. 38, no. 12, pp. 3125–3134, Jun. 2020
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16. A. Teixeira, D. Lavery, E. Ciaramella, L. Schmalen, N. Iiyama, R. Ferreira and S. Randel, "DSP Enabled Optical Detection Techniques for PON," J. Lightw. Technol., vol. 38, no. 3, pp. 684–695, Feb. 2020
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17. S. Le, K. Schuh, R. Dischler, F. Buchali, L. Schmalen and H. Bülow, "Beyond 400 Gb/s Direct Detection Over 80 km for Data Center Interconnect Applications," J. Lightw. Technol., vol. 38, no. 2, pp. 538–545, Jan. 2020
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18. A. Elkelesh, M. Ebada, S. Cammerer, L. Schmalen and S. ten Brink, "Decoder-in-the-Loop: Genetic Optimization-based LDPC Code Design," IEEE Access, pp. 141161–141170, Oct. 2019, https://arxiv.org/abs/1903.03128
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19. B. Karanov, D. Lavery, P. Bayvel and L. Schmalen, "End-to-end optimized transmission over dispersive intensity-modulated channels using bidirectional recurrent neural networks," Optics Express, vol. 27, no. 14, pp. 19650–19663, Jul. 2019, https://arxiv.org/abs/1901.08570
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20. A. Buchberger, A. Graell i Amat, V. Aref and L. Schmalen, "Probabilistic eigenvalue shaping for nonlinear Fourier transform transmission," J. Lightw. Technol., vol. 36, no. 20, pp. 4799–4807, Oct. 2018, https://arxiv.org/abs/1712.08467
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21. B. Karanov, M. Chagnon, F. Thouin, T. Eriksson, H. Bülow, D. Lavery, P. Bayvel and L. Schmalen, "End-to-end deep learning of optical fiber communications," J. Lightw. Technol., vol. 36, no. 20, pp. 4843–4855, Oct. 2018, https://arxiv.org/abs/1804.04097
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22. V. Aref, N. Rengaswamy and L. Schmalen, "Finite-length analysis of spatially-coupled regular LDPC ensembles on burst-erasure channels," IEEE Trans. Inf. Theory, vol. 64, no. 5, pp. 3431–3449, May. 2018, https://arxiv.org/abs/1611.08267
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23. I. de Jauregui Ruiz, A. Ghazisaeidi, O. Sab, P. Plantady, A. Calsat, S. Dubost, L. Schmalen, V. Letellier and J. Renaudier, "25.4-Tb/s transmission over transpacific distances using truncated probabilistically shaped PDM-64QAM," J. Lightw. Technol., vol. 36, no. 6, pp. 1354–1361, Mar. 2018
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24. H. Bülow, V. Aref and L. Schmalen, "Modulation on discrete nonlinear spectrum: Perturbation sensitivity and achievable rates," IEEE Photon. Technol. Lett., vol. 30, no. 5, pp. 423–426, Mar. 2018
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25. J. Cho, X. Chen, S. Chandrasekhar, G. Raybon, R. Dar, L. Schmalen, E. Burrows, A. Adamiecki, S. Corteselli, Y. Pan, D. Correa, B. McKay, S. Zsigmond, P. Winzer and S. Grubb, "Trans-atlantic field trial using high spectral efficiency probabilistically shaped 64-QAM and single-carrier real-time 250-Gb/s 16-QAM," J. Lightw. Technol., vol. 36, no. 1, pp. 103–113, Jan. 2018
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26. W. Lautenschlaeger, N. Benzaoui, F. Buchali, L. Dembeck, R. Dischler, B. Franz, U. Gebhard, J. Milbrandt, Y. Pointurier, D. Roesener, L. Schmalen and A. Leven, "Optical Ethernet—Flexible Optical Metro Networks," J. Lightw. Technol., vol. 35, no. 12, pp. 2346–2357, Jun. 2017
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27. A. Ghazisaeidi, I. de Jauregui Ruiz, R. Rios-Müller, L. Schmalen, P. Tran, P. Brindel, A. Meseguer, Q. Hu, F. Buchali, G. Charlet and J. Renaudier, "Advanced C+L-band transoceanic transmission systems based on probabilistically shaped PDM-64QAM," J. Lightw. Technol., vol. 35, no. 7, pp. 1291–1299, Apr. 2017
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28. W. Idler, F. Buchali, L. Schmalen, E. Lach, R. Braun, G. Böcherer, P. Schulte and F. Steiner, "Field trial of a 1 Tb/s super-channel network using probabilistically shaped constellations," J. Lightw. Technol., vol. 35, no. 8, pp. 1399–1406, Apr. 2017
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29. L. Schmalen, A. Alvarado and R. Rios-Müller, "Performance prediction of nonbinary forward error correction in optical transmission experiments," J. Lightw. Technol., vol. 35, no. 4, pp. 1015–1027, Feb. 2017, https://arxiv.org/abs/1606.00755
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30. F. Buchali, F. Steiner, G. Böcherer, L. Schmalen, P. Schulte and W. Idler, "Rate adaptation and reach increase by probabilistically shaped 64-QAM: An experimental demonstration," J. Lightw. Technol., vol. 34, no. 7, pp. 1599–1609, Apr. 2016
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31. A. Ghazisaeidi, I. de Jauregui Ruiz, L. Schmalen, P. Tran, C. Simonneau, E. Awwad, B. Uscumlic, P. Brindel and G. Charlet, "Submarine transmission systems using digital nonlinear compensation and adaptive rate forward error correction," J. Lightw. Technol., vol. 34, no. 8, pp. 1886–1895, Apr. 2016
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32. C. Pan, H. Bülow, W. Idler, L. Schmalen and F. Kschischang, "Optical Nonlinear Phase Noise Compensation for 9x32-Gbaud PolDM-16 QAM Transmission Using a Code-Aided Expectation-Maximization Algorithm," J. Lightw. Technol., vol. 33, no. 17, pp. 3679–3686, Sep. 2015
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33. L. Schmalen, "A low-complexity LDPC coding scheme for channels with phase slips," J. Lightw. Technol., vol. 33, no. 7, pp. 1319–1325, Apr. 2015
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34. R. Rios-Müller, J. Renaudier, P. Brindel, A. Ghazisaeidi, I. Fernandez, P. Tran, C. Simonneau, L. Schmalen and G. Charlet, "Spectrally-efficient 400-Gb/s single carrier transport over 7 200 km," J. Lightw. Technol., vol. 33, no. 7, pp. 1402–1407, Apr. 2015
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35. A. Ghazisaeidi, L. Schmalen, I. de Jauregui Ruiz, P. Tran, C. Simonneau, P. Brindel and G. Charlet, "Transoceanic transmission systems using adaptive multirate FECs," J. Lightw. Technol., vol. 33, no. 7, pp. 1479–1487, Apr. 2015
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36. J. Renaudier, R. Rios-Müller, P. Tran, P. Schmalen and G. Charlet, "Spectrally efficient 1-Tb/s transceivers for long-haul optical systems," J. Lightw. Technol., vol. 33, no. 7, pp. 1452–1458, Apr. 2015
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37. L. Schmalen, V. Aref, J. Cho, D. Suikat, D. Rösener and A. Leven, "Spatially coupled soft-decision error correction for future lightwave systems," J. Lightw. Technol., vol. 33, no. 5, pp. 1109–1116, Mar. 2015
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38. M. Beermann, E. Monzo, L. Schmalen and P. Vary, "GPU accelerated belief propagation decoding of non-binary LDPC codes with parallel and sequential scheduling," Journal of Signal Processing Systems, vol. 78, no. 1, pp. 21–34, Jan. 2015
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39. A. Leven and L. Schmalen, "Status and recent advances on forward error correction technologies for lightwave systems," J. Lightw. Technol., vol. 32, no. 16, pp. 2735–2750, Aug. 2014
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40. L. Schmalen, A. van Wijngaarden and S. ten Brink, "Forward error correction in optical core and optical access networks," Bell Labs Technical Journal, vol. 18, no. 3, pp. 39–66, Dec. 2013
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41. L. Schmalen, F. Buchali, A. Leven and S. ten Brink, "A generic tool for assessing the soft-FEC performance in optical transmission experiments," IEEE Photon. Technol. Lett., vol. 24, no. 1, pp. 40–42, Jan. 2012
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42. L. Schmalen and P. Vary, "Iterative source-channel decoding with reduced error floors," IEEE J. Sel. Topics Signal Process., vol. 5, no. 8, pp. 1577–1587, Dec. 2011
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43. A. Leven, F. Vacondio, L. Schmalen, S. ten Brink and W. Idler, "Estimation of soft FEC performance in optical transmission experiments," IEEE Photon. Technol. Lett., vol. 23, no. 20, pp. 1547–1549, Oct. 2011
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44. L. Schmalen, M. Adrat, T. Clevorn and P. Vary, "EXIT chart based system design for iterative source-channel decoding with fixed-length codes," IEEE Trans. Commun., vol. 59, no. 9, pp. 2406–2413, Sep. 2011
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45. T. Clevorn, L. Schmalen, P. Vary and M. Adrat, "On redundant index assignments for iterative source-channel decoding," IEEE Commun. Lett., vol. 12, no. 7, pp. 514–516, Jul. 2008
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Buchkapitel

1. B. Karanov, P. Bayvel and L. Schmalen, "Machine learning for short reach optical fiber systems," in A. P. T. Lau and F. N. Khan (eds.), Machine Learning for Future Fiber-optic Communication Systems, pp. 65-90, Academic Press, Mar. 2022
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2. A. Graell i Amat and L. Schmalen, "Forward error correction for optical transponders," in B. Mukherjee, I. Tomkos, M. Tornatore, P. Winzer and Y. Zhao (eds.), Handbook of Optical Networks, pp. 177–258, Springer, Oct. 2020
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3. L. Schmalen, S. ten Brink and A. Leven, "Advances in detection and error correction for coherent optical communications: Regular, irregular, and spatially coupled LDPC code designs," in X. Zhou and C. Xie (eds.), Enabling Technologies for High Spectral Efficiency Coherent Optical Communication Networks, John Wiley & Sons, Inc., 2016, https://arxiv.org/abs/1704.04618
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4. A. Leven and L. Schmalen, "Implementation aspects of coherent transmit and receive functions in application-specific integrated circuits," in I. Kaminow, T. Li and A. Willner (eds.), Optical Fiber Telecommunications VI-A, Academic Press, Jun. 2013
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5. M. Adrat, T. Clevorn and L. Schmalen, "Iterative source-channel decoding & turbo decodulation," in R. Martin, U. Heute and C. Antweiler (eds.), Advances in Digital Speech Transmission, pp. 365–398, John Wiley & Sons, Ltd Chichester, UK, 2008
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Konferenzbeiträge

1. L. Schmalen, V. Lauinger, J. Ney, N. Wehn, P. Matalla, S. Randel, A. von Bank and E. M. Edelmann, "Recent advances on machine learning-aided DSP for short-reach and long-haul optical communications," Proc. Opt. Fiber Commun. Conf. (OFC), San Francisco, CA, USA, Mar. 2025, invited presentation
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2. B. Geiger, S. Mandelli, M. Henninger, D. Gil Gaviria, C. Muth and L. Schmalen, "Integrated long-range sensing and communications in multi target scenarios using CP-OFDM," Proc. Intl. ITG Conf. on Systems, Communications, and Coding (SCC), Karlsruhe, Germany, Mar. 2025
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3. C. Muth, L. Schmidt, S. Chimmalgi and L. Schmalen, "Improved estimation accuracy in OFDM-based joint communication and sensing through Kalman tracking and interpolation," Proc. Intl. ITG Conf. on Systems, Communications, and Coding (SCC), Karlsruhe, Germany, Mar. 2025, https://arxiv.org/abs/2411.12464
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4. A. von Bank, E.-M. Edelmann, J. Mandelbaum and L. Schmalen, "Spiking neural belief propagation decoder for LDPC codes with small variable node degrees," Proc. Intl. ITG Conf. on Systems, Communications, and Coding (SCC), Karlsruhe, Germany, Mar. 2025
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5. B. Geiger, F. Buchali, V. Aref and L. Schmalen, "A novel phenomenological model of equalization-enhanced phase noise," Proc. Opt. Fiber Commun. Conf. (OFC), San Francisco, CA, USA, Mar. 2025
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6. R. Fischer, P. Matalla, S. Randel and L. Schmalen, "Non-linear equalization in 112 Gb/s PONs using Kolmogorov-Arnold networks," Proc. Opt. Fiber Commun. Conf. (OFC), San Francisco, CA, USA, Mar. 2025, https://arxiv.org/abs/2411.19631
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7. B. Geiger, F. Liu, S. Lu, A. Rode and L. Schmalen, "Joint Optimization of geometric and probabilistic constellation shaping for OFDM-ISAC systems," Proc. IEEE International Symposium on Joint Communications and Sensing (JC&S), Oulu, Finland, Jan. 2025
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8. L. Schmid, D. Sulz and L. Schmalen, "Fast and robust expectation propagation MIMO detection via preconditioned conjugated gradient," Proc. Asilomar Conf. Signals, Systems and Computers, Pacific Grove, CA, USA, Oct. 2024, https://arxiv.org/abs/2404.15968
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9. L. Schmid, T. Raviv, N. Shlezinger and L. Schmalen, "Optimization of iterative blind detection based on expectation maximization and belief propagation," Proc. Asilomar Conf. Signals, Systems and Computers, Pacific Grove, CA, USA, Oct. 2024, https://arxiv.org/abs/2408.02312
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10. E. E. Cil and L. Schmalen, "An open-source library for information reconciliation in continuous-variable QKD," Proc. International Conference on Quantum Cryptography (QCRYPT), Vigo, Spain, Sep. 2024, poster presentation, https://arxiv.org/abs/2408.00569
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11. E. E. Cil, J. Berl and L. Schmalen, "Parameter optimization of rate-adaptive continuous-variable quantum key distribution systems," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. W2A.179, Frankfurt, Germany, Sep. 2024, http://arxiv.org/abs/2408.08581
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12. L. Rapp, S. Miao and L. Schmalen, "Optimized soft-aided decoding of OFEC and staircase codes," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. Tu1F.3, Frankfurt, Germany, Sep. 2024, https://arxiv.org/abs/2404.19532
    [ Zitieren ]  [ Presentation ]  
13. J. Berl, E. E. Cil, U. Akin, L. Schmalen and T. Fehenberger, "Comparison of methods for distance-adaptive continuous-variable quantum key distribution," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. M3A.3, Frankfurt, Germany, Sep. 2024
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14. J. Berl, T. Fehenberger and L. Schmalen, "Quantifying the impact of systematic deviations during practical CV-QKD receiver calibration," Proc. International Conference on Quantum Cryptography (QCRYPT), Vigo, Spain, Sep. 2024, poster presentation
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15. J. Mandelbaum, S. Miao, H. Jäkel and L. Schmalen, "Endomorphisms of linear block codes," Proc. IEEE Int. Symp. Inform. Theory (ISIT), Athens, Greece, Jul. 2024, https://arxiv.org/abs/2402.00562
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16. S. Miao, J. Mandelbaum, H. Jäkel and L. Schmalen, "A joint code and belief propagation decoder design for quantum LDPC codes," Proc. IEEE Int. Symp. Inform. Theory (ISIT), Athens, Greece, Jul. 2024, https://arxiv.org/abs/2401.06874
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17. S. Miao, J. Mandelbaum, L. Rapp, H. Jäkel and L. Schmalen, "Performance analysis of generalized product codes with irregular degree distribution," Proc. IEEE Int. Symp. Inform. Theory (ISIT), Athens, Greece, Jul. 2024, https://arxiv.org/abs/2401.16977
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18. E. E. Cil and L. Schmalen, "Rate-adaptive protograph-based raptor-like LDPC code for continuous-variable quantum key distribution," Proc. Advanced Photonic Congress: Signal Processing in Photonic Communications (SPPCom), Québec City, Canada, Jul. 2024
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19. J. Mandelbaum, S. Miao, N. A. Schwendemann, H. Jäkel and L. Schmalen, "Improved generalized automorphism belief propagation decoding," Proc. International Symposium on Wireless Communication Systems (ISWCS), Rio de Janeiro, Brazil, Jul. 2024, https://arxiv.org/abs/2406.02012
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20. A. Rode, S. Chimmalgi, B. Geiger and L. Schmalen, "Joint geometric and probabilistic constellation shaping with MOKka," Proc. IEEE International Conference on Machine Learning for Communication and Networking (ICMLCN), Stockholm, Sweden, May. 2024, Demo session
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21. J. Ney, P. Matalla, V. Lauinger, L. Schmalen, S. Randel and N. Wehn, "Real-time FPGA demonstrator of ANN-based equalization for optical communications," Proc. IEEE International Conference on Machine Learning for Communication and Networking (ICMLCN), Stockholm, Sweden, May. 2024, Demo session, https://arxiv.org/abs/2402.15288
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22. V. Lauinger, P. Matalla, J. Ney, N. Wehn, S. Randel and L. Schmalen, "Fully-blind neural network based equalization for severe nonlinear distortions in 112 Gbit/s passive optical networks," Proc. Opt. Fiber Commun. Conf. (OFC), San Diego, CA, USA, Mar. 2024, https://arxiv.org/abs/2401.09579
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23. E. E. Cil and L. Schmalen, "Iteration-dependent scaled min-sum decoding for low-complexity key reconciliation in CV-QKD," Proc. Opt. Fiber Commun. Conf. (OFC), San Diego, CA, USA, Mar. 2024, http://arxiv.org/abs/2312.12118
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24. A. von Bank, E. Edelmann and L. Schmalen, "Energy-efficient spiking neural network equalization for IM/DD systems with optimized neural encoding," Proc. Opt. Fiber Commun. Conf. (OFC), San Diego, CA, USA, Mar. 2024, https://arxiv.org/abs/2312.12909
    [ Zitieren ]  [ Code ]
25. M. Wenning, J. Berl, T. Fehenberger, C. Mullan, H. Grießer, P. Rydlichowski, L. Schmalen and C. Mas-Machuca, "Quantum key management system with dynamic routing for meshed QKD networks," Proc. Opt. Fiber Commun. Conf. (OFC), San Diego, CA, USA, Mar. 2024, Demo
    [ Zitieren ]  
26. E. E. Cil and L. Schmalen, "Log-log domain sum-product algorithm for information reconciliation in continuous-variable quantum key distribution," Proc. Conf. Inform. Sciences Syst. (CISS), Princeton, NJ, USA, Mar. 2024, https://arxiv.org/abs/2401.13748
    [ Zitieren ]  
27. C. Muth, B. Geiger, D. Gil Gaviria and L. Schmalen, "Loss design for single-carrier joint communication and neural network-based sensing," Proc. Intl. Workshop on Smart Antennas (WSA), Dresden, Germany, Mar. 2024, https://arxiv.org/abs/2403.02929
    [ Zitieren ]  [ Presentation ]  
28. J. Song, V. Lauinger, C. Häger, J. Schröder, A. Graell i Amat, L. Schmalen and H. Wymeersch, "Blind frequency-domain equalization using vector-quantized variational autoencoders," Proc. Eur. Conf. Opt. Commun. (ECOC), Glasgow, UK, Oct. 2023, https://arxiv.org/abs/2312.16003
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29. A. Rode, W. A. Gebrehiwot, S. Chimmalgi and L. Schmalen, "Optimized geometric constellation shaping for Wiener phase noise channels with Viterbi-Viterbi carrier phase estimation," Proc. Eur. Conf. Opt. Commun. (ECOC), Glasgow, UK, Oct. 2023, https://arxiv.org/abs/2307.01367
    [ Zitieren ]  
30. S. Chimmalgi, A. Rode, L. Schmid and L. Schmalen, "Approximate maximum a posteriori carrier phase estimator for Wiener phase noise channels using belief propagation," Proc. Eur. Conf. Opt. Commun. (ECOC), Glasgow, UK, Oct. 2023, https://arxiv.org/abs/2307.03517
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31. H. Li and L. Schmalen, "A spatially coupled LDPC coding scheme with scalable decoders for space division multiplexing," Proc. Eur. Conf. Opt. Commun. (ECOC), Glasgow, UK, Oct. 2023, https://arxiv.org/abs/2308.01249
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32. D. Gil Gaviria, M. Müller, F. Artmann and L. Schmalen, "Fractional chirp-slope-shift-keying for SDR-based search and rescue applications," Proc. Asilomar Conf. Signals, Systems and Computers, Pacific Grove, CA, USA, Oct. 2023, https://arxiv.org/abs/2312.05048
    [ Zitieren ]  [ Presentation ]  
33. L. Giroto de Oliveira, D. Brunner, A. Diewald, C. Muth, L. Schmalen, T. Zwick and B. Nuss, "Bistatic OFDM-based joint radar-communication: synchronization, data communication and sensing," Proc. European Microwave Week (EuMW), Berlin, Germany, Sep. 2023, https://arxiv.org/abs/2305.15058
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34. J. Mandelbaum, H. Jäkel and L. Schmalen, "Generalized automorphisms of channel codes: Properties, code design, and a decoder," Proc. International Symposium on Topics in Coding (ISTC), Brest, France, Sep. 2023, https://arxiv.org/abs/2304.14379
    [ Zitieren ]  [ Presentation ]  
35. F. Ritter, A. Rode and L. Schmalen, "Introducing RSESS: An open-source enumerative sphere shaping implementation coded in Rust," Proc. GNU Radio Conference, Tempe, AZ, USA, Sep. 2023, https://arxiv.org/abs/2402.08771
    [ Zitieren ]  [ Hier herunterladen ]  [ Presentation ]  [ Code ]
36. L. Schmid, J. Brenk and L. Schmalen, "Local message passing on frustrated systems," Proc. Conference on Uncertainty in Artificial Intelligence (UAI), Pittsburgh, PA, USA, Aug. 2023, https://arxiv.org/abs/2306.01494 , poster available at https://www.auai.org/uai2023/posters/430.pdf
    [ Zitieren ]  [ Presentation ]  
37. A. von Bank, E. Edelmann and L. Schmalen, "Spiking neural network decision feedback equalization for IM/DD systems," Proc. Advanced Photonic Congress: Signal Processing in Photonic Communications (SPPCom), Busan, South Korea, Jul. 2023, https://arxiv.org/abs/2304.14152
    [ Zitieren ]  [ Presentation ]  [ Code ]
38. J. Ney, C. Füllner, V. Lauinger, L. Schmalen, S. Randel and N. Wehn, "From algorithm to implementation: enabling high-throughput CNN-based equalization on FPGA for optical communications," Proc. Samos Conference on Embedded Computer Systems: Architectures, Modeling and Simulation (SAMOS XXIII), Samos, Greece, Jul. 2023, Stamatis Vassiliadis Best Paper Award
    [ Zitieren ]  
39. L. Rapp, L. Schmid, A. Rode and L. Schmalen, "Structural optimization of factor graphs for symbol detection via continuous clustering and machine learning," Proc. Int. Conf. Acoustics, Speech, and Signal Process. (ICASSP), Rhodes Island, Greece, Jun. 2023, https://arxiv.org/abs/2211.11406, Poster available at https://sigport.org/sites/default/files/docs/poster_168.pdf
    [ Zitieren ]  [ Code ]
40. J. Ney, V. Lauinger, L. Schmalen and N. Wehn, "Unsupervised ANN-based equalizer and its trainable FPGA implementation," Proc. European Conference on Networks and Communications (EuCNC) and 6G Summit, Gothenburg, Sweden, Jun. 2023, https://arxiv.org/abs/2304.06987
    [ Zitieren ]  
41. S. Miao, A. Schnerring, H. Li and L. Schmalen, "Neural belief propagation decoding of quantum LDPC codes using overcomplete check matrices," Proc. IEEE Inform. Theory Workshop (ITW), Saint-Malo, France, Apr. 2023, https://arxiv.org/abs/2212.10245
    [ Zitieren ]  [ Presentation ]  [ Code ]
42. A. Rode and L. Schmalen, "Geometric constellation shaping with low-complexity demappers for Wiener phase-noise channels," Proc. Opt. Fiber Commun. Conf. (OFC), San Diego, CA, USA, Mar. 2023, https://arxiv.org/abs/2212.02401
    [ Zitieren ]  
43. V. Lauinger, F. Buchali and L. Schmalen, "Improving the bootstrap of blind equalizers with variational autoencoders," Proc. Opt. Fiber Commun. Conf. (OFC), San Diego, CA, USA, Mar. 2023, https://arxiv.org/abs/2301.06576
    [ Zitieren ]  [ Presentation ]  
44. J. Voigt, H. Jäkel and L. Schmalen, "Semi-deterministic subspace selection for sparse recursive projection-aggregation decoding of Reed-Muller codes," Proc. Intl. Workshop on Smart Antennas and ITG Conf. on Systems, Communications, and Coding (WSA-SCC), Braunschweig, Germany, Feb. 2023, https://arxiv.org/abs/2211.01204
    [ Zitieren ]  
45. C. Muth and L. Schmalen, "Autoencoder-based joint communication and sensing of multiple targets," Proc. Intl. Workshop on Smart Antennas and ITG Conf. on Systems, Communications, and Coding (WSA-SCC), Braunschweig, Germany, Feb. 2023, https://arxiv.org/abs/2301.09439
    [ Zitieren ]  [ Presentation ]  [ Code ]
46. E. M. Bansbach, A. von Bank and L. Schmalen, "Spiking neural network decision feedback equalization," Proc. Intl. Workshop on Smart Antennas and ITG Conf. on Systems, Communications, and Coding (WSA-SCC), Braunschweig, Germany, Feb. 2023, https://arxiv.org/abs/2211.04756
    [ Zitieren ]  [ Presentation ]  
47. V. Lauinger, M. Hoffmann, J. Ney, N. Wehn and L. Schmalen, "Blind and channel-agnostic equalization using adversarial networks," Proc. IEEE Global Commun. Conf. (GLOBECOM), Rio de Janeiro, Brazil, Dec. 2022, https://arxiv.org/abs/2209.07277
    [ Zitieren ]  [ Presentation ]  
48. E. M. Bansbach, Y. Kiyak and L. Schmalen, "Deep reinforcement learning for uplink multi-carrier non-orthogonal multiple access resource allocation using buffer state information," Proc. European Wireless, Dresden, Germany, Sep. 2022, https://arxiv.org/abs/2208.14689
    [ Zitieren ]  [ Presentation ]  
49. S. Miao, L. Rapp and L. Schmalen, "Improved soft-aided decoding of product codes with adaptive performance-complexity trade-off," Proc. Eur. Conf. Opt. Commun. (ECOC), Basel, CH, Sep. 2022, https://arxiv.org/abs/2207.04815
    [ Zitieren ]  [ Presentation ]  
50. A. Rode and L. Schmalen, "Optimization of geometric constellation shaping for Wiener phase noise channels with varying channel parameters," Proc. Eur. Conf. Opt. Commun. (ECOC), Basel, CH, Sep. 2022, https://arxiv.org/abs/2206.12288
    [ Zitieren ]  [ Presentation ]  
51. L. Schmid and L. Schmalen, "Neural enhancement of factor graph-based symbol detection," Proc. IEEE Workshop Signal Process. Advances in Wireless Commun. (SPAWC), Oulu, Finland, Jul. 2022, Preprint available at https://arxiv.org/abs/2203.03333
    [ Zitieren ]  [ Presentation ]  
52. T. A. Eriksson, D. Villafani, H. Ahlfeldt and L. Schmalen, "Neural network based black-box estimator of mutual information," Proc. Advanced Photonic Congress: Signal Processing in Photonic Communications (SPPCom), Maastricht, NL, Jul. 2022
    [ Zitieren ]  
53. S. Miao, L. Rapp and L. Schmalen, "Error-and-erasure decoding of product and staircase codes with simplified extrinsic message passing," Proc. IEEE Int. Symp. Inform. Theory (ISIT), Espoo, Finland, Jun. 2022, preprint available at https://arxiv.org/abs/2201.08322
    [ Zitieren ]  [ Presentation ]  
54. A. Rode, B. Geiger and L. Schmalen, "Geometric constellation shaping for phase-noise channels using a differentiable blind phase search," Proc. Opt. Fiber Commun. Conf. (OFC), San Diego, CA, USA, Mar. 2022, preprint available at https://arxiv.org/pdf/2112.03114.pdf
    [ Zitieren ]  [ Presentation ]  
55. S. Miao, L. Rapp and L. Schmalen, "Improved soft-aided error-and-erasure decoding of product codes with dynamic reliability scores," Proc. Opt. Fiber Commun. Conf. (OFC), San Diego, CA, USA, Mar. 2022, preprint available at https://arxiv.org/pdf/2112.05433.pdf
    [ Zitieren ]  [ Presentation ]  
56. E. M. Bansbach, V. Eliachevitch and L. Schmalen, "Deep reinforcement learning for wireless resource allocation using buffer state information," Proc. IEEE Global Commun. Conf. (GLOBECOM), Madrid, Spain, Dec. 2021, preprint available at https://arxiv.org/abs/2108.12198
    [ Zitieren ]  [ Presentation ]  
57. K. Gümüs and L. Schmalen, "Low rate protograph-based LDPC codes for continuous variable quantum key distribution," Proc. International Symposium on Wireless Communication Systems (ISWCS), Berlin, Germany, Sep. 2021, preprint available at https://arxiv.org/abs/2107.06242
    [ Zitieren ]  [ Presentation ]  
58. V. Lauinger, F. Buchali and L. Schmalen, "Blind equalization for coherent optical communications based on variational inference," Proc. Advanced Photonic Congress: Signal Processing in Photonic Communications (SPPCom), pp. SpTh1D.6, Jul. 2021
    [ Zitieren ]  [ Presentation ]  
59. B. Karanov, L. Schmalen and A. Alvarado, "Distance-Agnostic Auto-Encoders for Short Reach Fiber Communications," Proc. Opt. Fiber Commun. Conf. (OFC), pp. Tu5D.1, San Francisco, CA, USA, Jun. 2021
    [ Zitieren ]  
60. A. Buchberger, C. Häger, H. D. Pfister, L. Schmalen and A. Graell i Amat, "Learned decimation for neural belief propagation decoders," Proc. Int. Conf. Acoustics, Speech, and Signal Process. (ICASSP), Toronto, Canada, Jun. 2021, https://arxiv.org/abs/2011.02161
    [ Zitieren ]  
61. B. Karanov, P. Bayvel and L. Schmalen, "End-to-end learning in optical fiber communications: concept and transceiver design," Proc. Eur. Conf. Opt. Commun. (ECOC), Brussels, Belgium, Dec. 2020
    [ Zitieren ]  [ Presentation ]  
62. B. Karanov, V. Oliari, M. Chagnon, G. Liga, A. Alvarado, V. Aref, D. Lavery, P. Bayvel and L. Schmalen, "End-to-end learning in optical fiber communications: experimental demonstration and future trends," Proc. Eur. Conf. Opt. Commun. (ECOC), Brussels, Belgium, Dec. 2020
    [ Zitieren ]  
63. T. Eriksson, R. Luis, G. Rademacher, B. Puttnam, K. Gümüs, L. Schmalen, A. Alvarado, H. Furukawa, N. Wada, T. Hirano, M. Sasaki and M. Takeoka, "Challenges in coding, DSP and parallel operation of quantum key distribution and coherent data transmission," Proc. Eur. Conf. Opt. Commun. (ECOC), Brussels, Belgium, Dec. 2020
    [ Zitieren ]  
64. B. Karanov, M. Chagnon, V. Aref, F. Ferreira, D. Lavery, P. Bayvel and L. Schmalen, "Experimental Investigation of Deep Learning for Digital Signal Processing in Short Reach Optical Fiber Communications," Proc. IEEE Workshop Signal Process. Syst. (SiPS), Coimbra, Portugal, Oct. 2020, https://arxiv.org/abs/2005.08790
    [ Zitieren ]  
65. B. Karanov, M. Chagnon, V. Aref, D. Lavery, P. Bayvel and L. Schmalen, "Optical Fiber Communication Systems Based on End-to-End Deep Learning," IEEE Photonics Conference (IPC), Vancouver, Canada, Sep. 2020, https://arxiv.org/abs/2005.08785
    [ Zitieren ]  
66. B. Karanov, M. Chagnon, V. Aref, D. Lavery, P. Bayvel and L. Schmalen, "Concept and experimental demonstration of optical IM/DD end-to-end system optimization using a generative model," Proc. Opt. Fiber Commun. Conf. (OFC), pp. Th2A.48, San Diego, CA, USA, Mar. 2020, https://arxiv.org/abs/1912.05146
    [ Zitieren ]  
67. A. Buchberger, C. Häger, H. Pfister, L. Schmalen and A. Graell i Amat, "Pruning Neural Belief Propagation Decoders," Proc. IEEE Int. Symp. Inform. Theory (ISIT), pp. 338–342, Los Angeles, CA, USA, 2020, https://arxiv.org/abs/2001.07464
    [ Zitieren ]  
68. B. Karanov, G. Liga, V. Aref, D. Lavery, P. Bayvel and L. Schmalen, "Deep learning for communication over dispersive nonlinear channels: performance and comparison with classical digital signal processing," Proc. Allerton Annu. Conf. Commun. Control Comp., pp. 192–199, Monticello, IL, USA, Nov. 2019, https://arxiv.org/abs/1910.01028
    [ Zitieren ]  
69. S. Le, K. Schuh, F. Buchali, X. Du, M. Grözing, M. Berroth, L. Schmalen and H. Bülow, "16x200 GBPS virtual carrier assisted DD transmission over 80 km with only 14 GHz of digitizer bandwidth," Proc. Eur. Conf. Opt. Commun. (ECOC), Dublin, Ireland, Sep. 2019
    [ Zitieren ]  
70. L. Schmalen and V. Aref, "Spatially Coupled LDPC Codes with Non-uniform Coupling for Improved Decoding Speed," Proc. IEEE Inform. Theory Workshop (ITW), Visby, Sweden, Aug. 2019, https://arxiv.org/abs/1904.07026
    [ Zitieren ]  
71. S. Le, K. Schuh, R. Dischler, F. Buchali, L. Schmalen and H. Bülow, "5x510 Gbps single-polarization direct-detection WDM transmission over 80 km of SSMF," Proc. Opt. Fiber Commun. Conf. (OFC), pp. Tu2B–1, Mar. 2019
    [ Zitieren ]  
72. K. Klaiber, S. Cammerer, L. Schmalen and S. ten Brink, "Avoiding burst-like error patterns in windowed decoding of spatially coupled LDPC codes," Proc. Int. Symp. Turbo Codes and Iterative Inform. Process. (ISTC), Hong Kong, SAR China, Dec. 2018, https://arxiv.org/abs/1810.01137
    [ Zitieren ]  
73. M. Chagnon, B. Karanov and L. Schmalen, "Experimental demonstration of a dispersion tolerant end-to-end deep learning-based IM-DD transmission system," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. Tu4F.6, Rome, Italy, Sep. 2018
    [ Zitieren ]  
74. L. Schmalen, "Performance Metrics for Communication Systems with Forward Error Correction," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. Th1F.3, Rome, Italy, Sep. 2018
    [ Zitieren ]  
75. M. Dia, V. Aref and L. Schmalen, "A compressed sensing approach for distribution matching," Proc. IEEE Int. Symp. Inform. Theory (ISIT), pp. 1266–1270, Vail, CO, USA, Jun. 2018, https://arxiv.org/abs/1804.00602
    [ Zitieren ]  
76. F. Buchali, Q. Hu, M. Chagnon, K. Schuh, L. Schmalen and S. Makovejs, "Flexible Transmission Enabled by Novel M2-QAM Formats with Record Distance-Spectral Efficiency Tuneability," Proc. Opt. Fiber Commun. Conf. (OFC), pp. W2A–54, San Diego, CA, USA, Mar. 2018
    [ Zitieren ]  
77. L. Schmalen, "Probabilistic constellation shaping: challenges and opportunities for forward error correction," Proc. Opt. Fiber Commun. Conf. (OFC), pp. M3C.1, San Diego, CA, USA, Mar. 2018
    [ Zitieren ]  
78. L. Schmalen, T. Eriksson, F. Buchali, R. Dischler and U. Gebhard, "Distributed transmission and spatially coupled forward error correction in regenerative multipoint-to-point networks," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. P1.SC3.52, Gothenburg, Sweden, Sep. 2017
    [ Zitieren ]  
79. O. Ait Sab, I. de Jauregui Ruiz, A. Ghazisaeidi, P. Plantady, A. Calsat, S. Dubost, L. Schmalen, J. Renaudier and V. Letellier, "Near capacity 24.6 Tb/s transmission over 10,285 km straight line testbed at 5.9 b/s/Hz spectral efficiency using TPCS-64QAM and C-Band EDFA-Only," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. Tu.1.E.2, Gothenburg, Sweden, Sep. 2017
    [ Zitieren ]  
80. Q. Hu, R. Dischler, K. Schuh, H. Bülow, L. Schmalen and F. Buchali, "Beating Bandwidth Limitation for High-speed PAM-4 Transmission Based on Turbo Equalizer," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. P1.SC3.50, Gothenburg, Sweden, Sep. 2017
    [ Zitieren ]  
81. Q. Hu, F. Buchali, L. Schmalen, W. Idler, R. Dischler, V. Aref and H. Bülow, "Inter-channel crosstalk compensation for time-frequency packing systems," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. W.3.E.4, Gothenburg, Sweden, Sep. 2017
    [ Zitieren ]  
82. J. Cho, L. Schmalen and P. Winzer, "Normalized generalized mutual information as a forward error correction threshold for probabilistically shaped QAM," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. M.2.D.2, Gothenburg, Sweden, Sep. 2017
    [ Zitieren ]  
83. F. Buchali, W. Idler, R. Dischler, T. Eriksson and L. Schmalen, "Spectrally efficient probabilistically shaped square 64QAM to 256QAM," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. Tu.2.D.1, Gothenburg, Sweden, Sep. 2017
    [ Zitieren ]  
84. T. Eriksson, M. Chagnon, F. Buchali, K. Schuh, S. ten Brink and L. Schmalen, "56 Gbaud probabilistically shaped PAM8 for data center interconnects," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. Tu.2.D.4, Gothenburg, Sweden, Sep. 2017
    [ Zitieren ]  
85. A. Alvarado, G. Liga, T. Fehenberger and L. Schmalen, "On the design of coded modulation for fiber optical communications," Advanced Photonic Congress: Signal Processing in Photonic Communications (SPPCom), pp. SpM4F–2, New Orleans, LA, USA, Jul. 2017
    [ Zitieren ]  
86. Q. Hu, F. Buchali, L. Schmalen and H. Bülow, "Experimental demonstration of probabilistically shaped QAM," Advanced Photonic Congress: Signal Processing in Photonic Communications (SPPCom), pp. SpM2F–6, New Orleans, LA, USA, Jul. 2017
    [ Zitieren ]  
87. L. Schmalen, V. Aref and F. Jardel, "Non-uniformly coupled LDPC codes: Better thresholds, smaller rate-loss, and less complexity," Proc. IEEE Int. Symp. Inform. Theory (ISIT), pp. 376–380, Aachen, Germany, Jun. 2017, https://arxiv.org/abs/1701.07629
    [ Zitieren ]  
88. Q. Hu, F. Buchali, L. Schmalen, W. Idler, R. Dischler, V. Aref and H. Bülow, "Transmit filter optimization for improved performance of time-frequency packing systems," Proc. Opt. Fiber Commun. Conf. (OFC), pp. Tu3D.5, Los Angeles, CA, USA, Mar. 2017
    [ Zitieren ]  
89. J. Cho, X. Chen, S. Chandrasekhar, G. Raybon, R. Dar, L. Schmalen, E. Burrows, A. Adamiecki, S. Corteselli, Y. Pan, D. Correa, B. McKay, S. Zsigmond, P. Winzer and S. Grubb, "Trans-atlantic field trial using probabilistically shaped 64-QAM at high spectral efficiencies and single-carrier real-time 250-Gb/s 16-QAM," Proc. Opt. Fiber Commun. Conf. (OFC), pp. Th5B.3, Los Angeles, CA, USA, Mar. 2017
    [ Zitieren ]  
90. K. Schuh, F. Buchali, W. Idler, T. Eriksson, L. Schmalen, W. Templ, L. Altenhain, U. Dümler, R. Schmid, M. Möller and K. Engenhardt, "Single carrier 1.2 Tbit/s transmission over 300 km with PM-64 QAM at 100 GBaud," Proc. Opt. Fiber Commun. Conf. (OFC), pp. Th5B–5, Los Angeles, CA, USA, Mar. 2017
    [ Zitieren ]  
91. F. Buchali, W. Idler, L. Schmalen and Q. Hu, "Flexible optical transmission close to the Shannon limit by probabilistically shaped QAM," Proc. Opt. Fiber Commun. Conf. (OFC), pp. M3C–3, Los Angeles, CA, USA, Mar. 2017
    [ Zitieren ]  
92. T. Eriksson, F. Buchali, W. Idler, L. Schmalen and G. Charlet, "Electronically subcarrier multiplexed PM-32QAM with optimized FEC overheads," Proc. Opt. Fiber Commun. Conf. (OFC), pp. W3J–4, Los Angeles, CA, USA, Mar. 2017
    [ Zitieren ]  
93. T. Eriksson, F. Buchali and L. Schmalen, "Nonlinear mitigation using probabilistically shaped real-valued modulation formats," Proc. Opt. Fiber Commun. Conf. (OFC), pp. Th2A–61, Los Angeles, CA, USA, Mar. 2017
    [ Zitieren ]  
94. G. Charlet, A. Ghazisaeidi, R. Muller, J. Renaudier and L. Schmalen, "Signal processing for spectrally efficient systems," Proc. Opt. Fiber Commun. Conf. (OFC), pp. Th4C–5, Los Angeles, CA, USA, Mar. 2017
    [ Zitieren ]  
95. L. Schmalen, L. Zhang and U. Gebhard, "Distributed rate-adaptive staircase codes for connectionless optical metro networks," Proc. Opt. Fiber Commun. Conf. (OFC), pp. W1J–2, Los Angeles, CA, USA, Mar. 2017
    [ Zitieren ]  
96. L. Zhang and L. Schmalen, "Feed-forward staircase codes," Proc. Int. ITG Conf. on Source and Channel Coding (SCC), Hamburg, Germany, Feb. 2017, https://arxiv.org/abs/1604.06574
    [ Zitieren ]  
97. V. Aref, N. Rengaswamy and L. Schmalen, "Spatially coupled LDPC codes affected by a single random burst of erasures," Proc. Int. Symp. Turbo Codes and Iterative Inform. Process. (ISTC), pp. 166–170, Brest, France, Sep. 2016, https://arxiv.org/abs/1607.00918
    [ Zitieren ]  
98. Q. Hu, F. Buchali, L. Schmalen, W. Idler, R. Dischler and H. Bülow, "Improved Flexibility in Rate and Reach by Time-Frequency Packed QPSK," Proc. Eur. Conf. Opt. Commun. (ECOC), Düsseldorf, Germany, Sep. 2016
    [ Zitieren ]  
99. L. Schmalen and F. Buchali, "Implicit constellation shaping in regenerative optical networks," Proc. Eur. Conf. Opt. Commun. (ECOC), Düsseldorf, Germany, Sep. 2016
    [ Zitieren ]  
100. L. Schmalen, D. Suikat, V. Aref and D. Roesener, "On the design of capacity-approaching unit-memory spatially coupled LDPC codes for optical communications," Proc. Eur. Conf. Opt. Commun. (ECOC), Düsseldorf, Germany, Sep. 2016
     [ Zitieren ]  
101. A. Ghazisaeidi, I. de Jauregui Ruiz, R. Rios-Muller, L. Schmalen, P. Tran, P. Brindel, A. Meseguer, Q. Hu, F. Buchali, G. Charlet and J. Renaudier, "65Tb/s transoceanic transmission using probabilistically-shaped PDM-64QAM," Proc. Eur. Conf. Opt. Commun. (ECOC), Düsseldorf, Germany, Sep. 2016
     [ Zitieren ]  
102. W. Idler, F. Buchali, L. Schmalen, E. Lach, R. Braun, G. Boecherer, P. Schulte and F. Steiner, "Field demonstration of 1 Tbit/s super-channel network using probabilistically shaped constellations," Proc. Eur. Conf. Opt. Commun. (ECOC), Düsseldorf, Germany, Sep. 2016
     [ Zitieren ]  
103. F. Buchali, W. Idler, K. Schuh, L. Schmalen, T. Eriksson, G. Böcherer, P. Schulte and F. Steiner, "Study of electrical subband multiplexing at 54 GHz modulation bandwidth for 16QAM and probabilistically shaped 64QAM," Proc. Eur. Conf. Opt. Commun. (ECOC), Düsseldorf, Germany, Sep. 2016
     [ Zitieren ]  
104. R. Dischler, F. Buchali and L. Schmalen, "Embedded in-band DQPSK signaling within n-QAM data transmission," Proc. Eur. Conf. Opt. Commun. (ECOC), Düsseldorf, Germany, Sep. 2016
     [ Zitieren ]  
105. F. Buchali, W. Idler, L. Schmalen, G. Böcherer, P. Schulte and F. Steiner, "Probabilistically shaped QAM for independent reach, spectral efficiency and bit-rate adaptation," Proc. Eur. Conf. Opt. Commun. (ECOC), Düsseldorf, Germany, Sep. 2016
     [ Zitieren ]  
106. S. Cammerer, L. Schmalen, V. Aref and S. ten Brink, "Wave-like decoding of tail-biting spatially coupled LDPC codes through iterative demapping," Proc. Int. Symp. Turbo Codes and Iterative Inform. Process. (ISTC), pp. 121–125, Brest, France, Sep. 2016, https://arxiv.org/abs/1704.05408
     [ Zitieren ]  
107. R. Rios-Müller, J. Renaudier, L. Schmalen and G. Charlet, "Practical approaches to 400G single-carrier submarine transmission," Proc. Opt. Fiber Commun. Conf. (OFC), pp. Th1B–4, Anaheim, CA, USA, Mar. 2016
     [ Zitieren ]  
108. N. Rengaswamy, L. Schmalen and V. Aref, "On the burst erasure correctability of spatially coupled LDPC ensembles," Proc. Int. Zurich Seminar Commun. (ZSC), pp. 155–159, Zurich, Switzerland, Mar. 2016
     [ Zitieren ]  
109. S. Cammerer, V. Aref, L. Schmalen and S. ten Brink, "Triggering wave-like convergence of tail-biting spatially coupled LDPC codes," Proc. Conf. Inform. Sciences Syst. (CISS), pp. 93–98, Princeton, NJ, USA, Mar. 2016, https://arxiv.org/abs/1507.01970
     [ Zitieren ]  
110. L. Schmalen, A. Alvarado and R. Rios-Müller, "Predicting the performance of nonbinary forward error correction in optical transmission experiments," Proc. Opt. Fiber Commun. Conf. (OFC), Anaheim, CA, USA, 2016
     [ Zitieren ]  
111. L. Schmalen, V. Aref, D. Suikat and D. Rösener, "Next-generation forward error correction: Can we close the gap to the Shannon limit?," Asia Communications and Photonics Conference (ACP), pp. AS3D–4, Hong Kong, SAR China, Nov. 2015
     [ Zitieren ]  
112. L. Schmalen, "Novel forward error correction concepts for coherent optical communications," IEEE Photonics Conference (IPC), pp. 279–280, Reston, VA, USA, Oct. 2015
     [ Zitieren ]  
113. F. Buchali, G. Böcherer, W. Idler, L. Schmalen, P. Schulte and F. Steiner, "Experimental demonstration of capacity increase and rate-adaptation by probabilistically shaped 64-QAM," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. PDP3.4, Valencia, Spain, Sep. 2015, https://arxiv.org/abs/1509.08836
     [ Zitieren ]  
114. A. Ghazisaeidi, L. Schmalen, P. Tran, C. Simonneau, E. Awwad, B. Uscumlic, P. Brindel and G. Charlet, "54.2 Tb/s transoceanic transmission using ultra low loss fiber, multi-rate FEC and digital nonlinear mitigation," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. Th.2.2.3, Valencia, Spain, Sep. 2015
     [ Zitieren ]  
115. R. Rios-Müller, J. Renaudier, P. Brindel, P. Jenneve, H. Mardoyan, L. Schmalen and G. Charlet, "Experimental comparison between super-channel and sub-band single-carrier for 400 Gb/s and 800 Gb/s transport," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. Tu.1.4.4, Valencia, Spain, Sep. 2015
     [ Zitieren ]  
116. F. Buchali, L. Schmalen, Q. Hu and D. Che, "Low latency digital regenerator for dual polarization QAM signals," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. Mo.3.3.5, Valencia, Spain, Sep. 2015
     [ Zitieren ]  
117. J. Cho and L. Schmalen, "Construction of protographs for large-girth structured LDPC convolutional codes," Proc. IEEE Int. Conf. Commun. (ICC), pp. 4412–4417, London, UK, Jun. 2015
     [ Zitieren ]  
118. L. Schmalen, D. Suikat, D. Rösener, V. Aref, A. Leven and S. ten Brink, "Spatially coupled codes and optical fiber communications: An ideal match?," Proc. IEEE Workshop Signal Process. Advances in Wireless Commun. (SPAWC), pp. 460–464, Stockholm, Sweden, Jun. 2015, https://arxiv.org/abs/1505.05405
     [ Zitieren ]  
119. W. Idler, F. Buchali, L. Schmalen, K. Schuh and H. Bülow, "Hybrid modulation formats outperforming 16QAM and 8QAM in transmission distance and filtering with cascaded WSS," Proc. Opt. Fiber Commun. Conf. (OFC), pp. M3G.4, Los Angeles, CA, USA, Mar. 2015
     [ Zitieren ]  
120. H. Mardoyan, R. Rios-Müller, M. Mestre, P. Jenneve, L. Schmalen, A. Ghazisaeidi, P. Tran, S. Bigo and J. Renaudier, "Transmission of single-carrier Nyquist-shaped 1-Tb/s line-rate signal over 3,000 km," Proc. Opt. Fiber Commun. Conf. (OFC), pp. W3G–2, Los Angeles, CA, USA, Mar. 2015
     [ Zitieren ]  
121. R. Rios-Müller, J. Renaudier, P. Brindel, H. Mardoyan, P. Jenneve, L. Schmalen and G. Charlet, "1-Terabit/s net data-rate transceiver based on single-carrier Nyquist-shaped 124 GBaud PDM-32QAM," Proc. Opt. Fiber Commun. Conf. (OFC), pp. Th5B–1, Los Angeles, CA, USA, Mar. 2015
     [ Zitieren ]  
122. R. Rios-Müller, J. Renaudier, L. Schmalen and G. Charlet, "Joint coding rate and modulation format optimization for 8QAM constellations using BICM mutual information," Proc. Opt. Fiber Commun. Conf. (OFC), pp. W3K–4, Los Angeles, CA, USA, Mar. 2015
     [ Zitieren ]  
123. J. Renaudier, R. Rios-Müller, L. Schmalen and G. Charlet, "Spectrally efficient 1Tb/s transceivers," Proc. Opt. Fiber Commun. Conf. (OFC), pp. M2G–3, Los Angeles, CA, USA, Mar. 2015
     [ Zitieren ]  
124. F. Buchali, W. Idler, L. Schmalen and K. Schuh, "Performance and advantages of 100 Gb/s QPSK/8QAM hybrid modulation formats," Proc. Opt. Fiber Commun. Conf. (OFC), pp. Th2A–16, Los Angeles, CA, USA, Mar. 2015
     [ Zitieren ]  
125. L. Schmalen, S. ten Brink and A. Leven, "Spatially-coupled LDPC protograph codes for universal phase slip-tolerant differential decoding," Proc. Opt. Fiber Commun. Conf. (OFC), pp. Th3E–6, Los Angeles, CA, USA, Mar. 2015
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126. J. Renaudier, R. Müller, L. Schmalen, P. Tran, P. Brindel and G. Charlet, "1-Tb/s PDM-32QAM superchannel transmission at 6.7-b/s/Hz over SSMF and 150-GHz-grid ROADMs," Proc. Eur. Conf. Opt. Commun. (ECOC), Cannes, France, Sep. 2014
     [ Zitieren ]  
127. A. Ghazisaeidi, L. Schmalen, I. de Jauregui, P. Tran, C. Simonneau, P. Brindel and G. Charlet, "52.9 Tb/s transmission over transoceanic distances using adaptive multi-rate FEC," Proc. Eur. Conf. Opt. Commun. (ECOC), Cannes, France, Sep. 2014
     [ Zitieren ]  
128. R. Rios-Müller, J. Renaudier, P. Brindel, C. Simonneau, P. Tran, A. Ghazisaeidi, I. Fernandez, L. Schmalen and G. Charlet, "Optimized spectrally efficient transceiver for 400-Gb/s single carrier transport," Proc. Eur. Conf. Opt. Commun. (ECOC), Cannes, France, Sep. 2014
     [ Zitieren ]  
129. C. Müller, A. Leven, H. Bülow, L. Schmalen, G. Leuchs and C. Marquardt, "M-ary phase shift keying receiver beating the standard quantum limit for any signal power," Proc. Eur. Conf. Opt. Commun. (ECOC), Cannes, France, Sep. 2014
     [ Zitieren ]  
130. L. Schmalen, "Low-complexity phase slip tolerant LDPC-based FEC scheme," Proc. Eur. Conf. Opt. Commun. (ECOC), Cannes, France, Sep. 2014
     [ Zitieren ]  
131. F. Buchali, L. Schmalen, K. Schuh and W. Idler, "Optimization of time-division hybrid-modulation and its application to rate adaptive 200Gb transmission," Proc. Eur. Conf. Opt. Commun. (ECOC), Cannes, France, Sep. 2014
     [ Zitieren ]  
132. L. Schmalen, V. Aref, J. Cho and K. Mahdaviani, "Next generation error correcting codes for lightwave systems," Proc. Eur. Conf. Opt. Commun. (ECOC), Cannes, France, Sep. 2014
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133. L. Schmalen, D. Suikat, D. Rösener and A. Leven, "Evaluation of left-terminated spatially coupled LDPC codes for optical communications," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. Th.2.3.4, Cannes, France, Sep. 2014
     [ Zitieren ]  
134. L. Schmalen and K. Mahdaviani, "Laterally connected spatially coupled code chains for transmission over unstable parallel channels," Proc. Int. Symp. Turbo Codes and Iterative Inform. Process. (ISTC), pp. 77–81, Bremen, Germany, Aug. 2014
     [ Zitieren ]  
135. F. Buchali, A. Klekamp, L. Schmalen and T. Drenski, "Implementation of 64QAM at 42.66 GBaud using 1.5 samples per symbol DAC and demonstration of up to 300 km fiber transmission," Proc. Opt. Fiber Commun. Conf. (OFC), pp. M2A–1, Mar. 2014
     [ Zitieren ]  
136. F. Buchali, L. Schmalen, A. Klekamp, K. Schuh and A. Leven, "5x50 Gb/s WDM Transmission of 32 Gbaud DP-3-PSK over 36, 000 km Fiber with Spatially Coupled LDPC Coding," Proc. Opt. Fiber Commun. Conf. (OFC), pp. W1A–1, San Francisco, CA, USA, Mar. 2014
     [ Zitieren ]  
137. H. Bülow, X. Lu, L. Schmalen, A. Klekamp and F. Buchali, "Experimental performance of 4D optimized constellation alternatives for PM-8QAM and PM-16QAM," Proc. Opt. Fiber Commun. Conf. (OFC), pp. M2A–6, San Francisco, CA, USA, Mar. 2014
     [ Zitieren ]  
138. L. Schmalen, "Energy efficient FEC for optical transmission systems," Proc. Opt. Fiber Commun. Conf. (OFC), pp. M3A–1, San Francisco, CA, USA, Mar. 2014
     [ Zitieren ]  
139. H. Bülow, X. Lu and L. Schmalen, "Experimental analysis of transmission and soft decoding of optimized 4D constellations," Asia Communications and Photonics Conference (ACP), pp. AF4C–1, Beijing, China, Nov. 2013
     [ Zitieren ]  
140. V. Aref, L. Schmalen and S. ten Brink, "On the convergence speed of spatially coupled LDPC ensembles," Proc. Allerton Annu. Conf. Commun. Control Comp., pp. 342–349, Monticello, IL, USA, Oct. 2013, Full proofs available at https://arxiv.org/abs/1307.3780
     [ Zitieren ]  
141. M. Beermann, E. Monzo, L. Schmalen and P. Vary, "High speed decoding of non-binary irregular LDPC codes using GPUs," Proc. IEEE Workshop Signal Process. Syst. (SiPS), pp. 36–41, Taipei, Taiwan, Oct. 2013
     [ Zitieren ]  
142. M. Salsi, R. Rios-Müller, J. Renaudier, P. Tran, L. Schmalen, A. Ghazisaeidi, H. Mardoyan, P. Brindel, G. Charlet and S. Bigo, "38.75 Tb/s transmission experiment over transoceanic distance," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. PD2.E.2, London, UK, Sep. 2013
     [ Zitieren ]  
143. H. Bülow, X. Lu and L. Schmalen, "Experimental analysis of single carrier POLQAM (6Pol-QPSK) transmission with soft-decoding," Proc. Eur. Conf. Opt. Commun. (ECOC), London, UK, Sep. 2013
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144. J. Renaudier, R. Rios-Muller, L. Schmalen, M. Salsi, P. Tran, G. Charlet and S. Bigo, "1-Tb/s transceiver spanning over just three 50-GHz frequency slots for long-haul systems," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. PD2.D.5, London, UK, Sep. 2013
     [ Zitieren ]  
145. R. Dischler and L. Schmalen, "Transmission of a 1.1 Tb/s super channel in 100 GHz optical bandwidth based on PM-256 QAM and spatially coupled FEC," Proc. Eur. Conf. Opt. Commun. (ECOC), London, UK, Sep. 2013
     [ Zitieren ]  
146. H. Bülow, X. Lu and L. Schmalen, "Experimental Analysis of Single Carrier POLQAM (6Pol-QPSK) Transmission with Soft-Decoding," Proc. Eur. Conf. Opt. Commun. (ECOC), London, UK, Sep. 2013
     [ Zitieren ]  
147. M. Salsi, A. Ghazisaeidi, P. Tran, R. Muller, L. Schmalen, J. Renaudier, H. Mardoyan, P. Brindel, G. Charlet and S. Bigo, "31 Tb/s transmission over 7,200 km using 46 Gbaud PDM-8QAM with optimized error correcting code rate," Proc. Opto-Electron. Commun. Conf. (OECC), pp. PD3-5, Kyoto, Japan, Jun. 2013
     [ Zitieren ]  
148. F. Buchali, K. Schuh, L. Schmalen, W. Idler, E. Lach and A. Leven, "1-Tbit/s dual-carrier DP 64QAM transmission at 64Gbaud with 40\% overhead soft-FEC over 320km SSMF," Proc. Opt. Fiber Commun. Conf. (OFC), pp. OTh4E–3, Anaheim, CA, USA, Mar. 2013
     [ Zitieren ]  
149. L. Schmalen and S. ten Brink, "Combining spatially coupled LDPC codes with modulation and detection," Proc. Intl. ITG Conf. on Systems, Communications, and Coding (SCC), Munich, Germany, Jan. 2013
     [ Zitieren ]  
150. L. Schmalen, M. Adrat, T. Clevorn and P. Vary, "Windowed iterative source-channel decoding with delay constraints," Proc. Int. Symp. Turbo Codes and Iterative Inform. Process. (ISTC), pp. 16–20, Gothenburg, Sweden, Aug. 2012
     [ Zitieren ]  
151. L. Schmalen, S. ten Brink and A. Leven, "Analysis and optimization of iteration schedules for LDPC coded modulation and detection," Proc. Int. Symp. Turbo Codes and Iterative Inform. Process. (ISTC), pp. 210–214, Gothenburg, Sweden, Aug. 2012
     [ Zitieren ]  
152. L. Schmalen and R. Dischler, "Experimental evaluation of coded modulation for a coherent PDM system with high spectral efficiency," Proc. Opt. Fiber Commun. Conf. (OFC), Los Angeles, CA, USA, Mar. 2012
     [ Zitieren ]  
153. S. ten Brink, A. Leven and L. Schmalen, "FEC and soft decision: Concept and directions," Proc. Opt. Fiber Commun. Conf. (OFC), pp. OW1H–5, Los Angeles, CA, USA, Mar. 2012
     [ Zitieren ]  
154. F. Buchali, K. Schuh, D. Rösener, E. Lach, R. Dischler, W. Idler, L. Schmalen, A. Leven, R. Braun, A. Ehrhardt, C. Gerlach and L. Schürer, "512-Gb/s DP-16-QAM field trial over 734 km installed SSMF with co-propagating 10 Gb/s NRZ neighbors incorporating soft-FEC decoding," Proc. Opt. Fiber Commun. Conf. (OFC), pp. OW4C–4, Los Angeles, CA, USA, Mar. 2012
     [ Zitieren ]  
155. L. Schmalen, S. ten Brink, G. Lechner and A. Leven, "On threshold prediction of low-density parity-check codes with structure," Proc. Conf. Inform. Sciences Syst. (CISS), Princeton, NJ, USA, Mar. 2012
     [ Zitieren ]  
156. Y. Chen, L. Schmalen, H. Bülow, A. Leven and S. Ten Brink, "Space-time coding schemes for optical MIMO," Proc. Eur. Conf. Opt. Commun. (ECOC), pp. Tu–6, Geneva, Switzerland, Sep. 2011
     [ Zitieren ]  
157. L. Schmalen, M. Tschauner, T. Breddermann and P. Vary, "Novel iterative multiple description coding for correlated sources," Proc. Eur. Signal Process. Conf. (EUSIPCO), pp. 2094–2098, Barcelona, Spain, Aug. 2011
     [ Zitieren ]  
158. M. Beermann, L. Schmalen and P. Vary, "Improved decoding of binary and non-binary LDPC codes by probabilistic shuffled belief propagation," Proc. IEEE Int. Conf. Commun. (ICC), Kyoto, Japan, Jun. 2011
     [ Zitieren ]  
159. L. Schmalen and P. Vary, "Reconstruction of Multiple Descriptions by MMSE Estimation," Proc. ITG Conf. Speech Communication, Bochum, Germany, Oct. 2010
     [ Zitieren ]  
160. L. Schmalen, P. Vary, T. Clevorn and M. Adrat, "Turbo source compression with jointly optimized inner irregular and outer irregular codes," Proc. IEEE Vehicular Technology Conf. (VTC-Fall), Ottawa, Canada, Sep. 2010
     [ Zitieren ]  
161. T. Clevorn, L. Schmalen, P. Vary and M. Adrat, "Hybrid ARQ with Incremental Redundant Index Assignments for Iterative Source-Channel Decoding," Proc. IEEE Int. Conf. Commun. (ICC), Cape Town, South Africa, May. 2010
     [ Zitieren ]  
162. M. Adrat, M. Antweiler, L. Schmalen, P. Vary and T. Clevorn, "On the overshooting effect in EXIT charts of iterative source-channel decoding," Proc. IEEE Int. Conf. Commun. (ICC), Cape Town, South Africa, May. 2010
     [ Zitieren ]  
163. L. Schmalen and P. Vary, "Error resilient turbo compression of source codec parameters using inner irregular codes," Proc. Int. ITG Conf. on Source and Channel Coding (SCC), Siegen, Germany, Jan. 2010
     [ Zitieren ]  
164. L. Schmalen, T. Schlien and P. Vary, "The flexcode source-channel coding approach for audio and speech transmission," Proc. Int. ITG Conf. on Source and Channel Coding (SCC), Siegen, Germany, Jan. 2010
     [ Zitieren ]  
165. H. Lüders, B. Eschbach, L. Schmalen and P. Vary, "OFDM Turbo DeCodulation with exit optimized bit loading and signal constellations," Proc. Int. Conf. Acoustics, Speech, and Signal Process. (ICASSP), pp. 2589–2592, Taipei, Taiwan, Apr. 2009
     [ Zitieren ]  
166. L. Schmalen and P. Vary, "Near-lossless compression and protection by turbo source-channel (de-) coding using irregular index assignments," Proc. Int. Conf. Acoustics, Speech, and Signal Process. (ICASSP), pp. 2485–2488, Taipei, Taiwan, Apr. 2009
     [ Zitieren ]  
167. L. Schmalen, B. Schotsch, M. Jeub, P. Vary and T. Clevorn, "The FlexCode Channel Coding Approach," Proc. ITG Conf. Speech Communication, Aachen, Germany, Oct. 2008
     [ Zitieren ]  
168. L. Schmalen, P. Vary and M. Adrat, "Reduced-Search Source Decoders for Iterative Source-Channel Decoding," Proc. ITG Conf. Speech Communication, Aachen, Germany, Oct. 2008
     [ Zitieren ]  
169. T. Clevorn, L. Schmalen, P. Vary and M. Adrat, "Iterative Source-Channel Decoding: Design of Redundant Index Assignments," Proc. ITG Conf. Speech Communication, Aachen, Germany, Oct. 2008
     [ Zitieren ]  
170. L. Schmalen, P. Vary, M. Adrat and T. Clevorn, "Complexity-reduced iterative source-channel decoding by conditional quantization," Proc. Int. Symp. Turbo Codes and Iterative Inform. Process. (ISTC), pp. 327–332, Lausanne, Switzerland, Sep. 2008
     [ Zitieren ]  
171. R. Thobaben, L. Schmalen and P. Vary, "Joint source-channel coding with inner irregular codes," Proc. IEEE Int. Symp. Inform. Theory (ISIT), pp. 1153–1157, Toronto, Canada, Jul. 2008
     [ Zitieren ]  
172. B. Schotsch, L. Schmalen, P. Vary and T. Clevorn, "Graph-Based Turbo DeCodulation with LDPC Codes," Proc. IEEE Vehicular Technology Conf. (VTC-Spring), pp. 772–776, Singapore, May. 2008
     [ Zitieren ]  
173. L. Schmalen, P. Vary, T. Clevorn and B. Schotsch, "Efficient iterative source-channel decoding using irregular index assignments," Proc. Int. ITG Conf. on Source and Channel Coding (SCC), Ulm, Germany, Jan. 2008
     [ Zitieren ]  
174. H. Lüders, L. Schmalen and P. Vary, "Approximating EXIT Characteristics of Soft Demodulators in OFDM BICM-ID Systems for Time Variant Frequency Selective Fading Channels," Proc. Int. ITG Conf. on Source and Channel Coding (SCC), Ulm, Germany, Jan. 2008
     [ Zitieren ]  
175. L. Schmalen, P. Vary, M. Adrat and T. Clevorn, "On the EXIT Characteristics of Feed Forward Convolutional Codes," Proc. IEEE Int. Symp. Inform. Theory (ISIT), pp. 2686–2690, Nice, France, Jun. 2007
     [ Zitieren ]  
176. L. Schmalen, T. Clevorn and P. Vary, "Iterative source-coded equalization: turbo error concealment for ISI channels," Proc. IEEE Workshop Signal Process. Advances in Wireless Commun. (SPAWC), Helsinki, Finland, Jun. 2007
     [ Zitieren ]  
177. T. Clevorn, L. Schmalen, P. Vary and M. Adrat, "On the optimum performance theoretically attainable for scalarly quantized correlated sources," Proc. Int. Symp. Inform. Theory Appl.(ISITA), Seoul, South Korea, Oct. 2006
     [ Zitieren ]  
178. T. Clevorn, B. Schotsch, L. Schmalen, P. Vary and M. Adrat, "Separation of recursive convolutional codes into sub-codes using Galois field arithmetic," Proc. Conf. Inform. Sciences Syst. (CISS), pp. 245–245, Princeton, NJ, USA, Mar. 2006
     [ Zitieren ]  
179. L. Schmalen and M. Adrat, "An Iterative, Turbo-like Approach to Convolutional Decoding," 9th International Student Conference on Electrical Engineering (POSTER 2005), Prague, Czech Republic, May. 2005
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