Lotfollah Beygi

Showing 19 publications

2021

Analytical Modeling of Nonlinear Fiber Propagation for Four Dimensional Symmetric Constellations

Hami Rabbani, Mostafa Ayaz, Lotfollah Beygi et al
Journal of Lightwave Technology. Vol. 39 (9), p. 2704-2713
Journal article
2018

Improving the Achievable Rates of Optical Coherent Transmission with Back-Propagation

Hami Rabbani, Hamed Rabbani, Lotfollah Beygi et al
IEEE Photonics Technology Letters. Vol. 30 (14), p. 1273-1276
Journal article
2014

Coded Modulation for Fiber-Optic Networks

Lotfollah Beygi, Erik Agrell, J. M. Kahn et al
IEEE Signal Processing Magazine
Journal article
2014

Optical Networking With Variable-Code-Rate Transceivers

D. A. A. Mello, A. N. Barreto, T. C. de Lima et al
Journal of Lightwave Technology. Vol. 32 (2), p. 257-266
Journal article
2014

Rate-Adaptive Coded Modulation for Fiber-Optic Communications

Lotfollah Beygi, Erik Agrell, J. M. Kahn et al
Journal of Lightwave Technology. Vol. 32 (2), p. 333-343
Journal article
2014

A Low-Complexity Detector for Memoryless Polarization-Multiplexed Fiber-Optical Channels

Christian Häger, Lotfollah Beygi, Erik Agrell et al
IEEE Communications Letters. Vol. 18 (2), p. 368-371
Journal article
2013

On nonlinearly-induced noise in single-channel optical links with digital backpropagation

Lotfollah Beygi, Naga Vishnukanth Irukulapati, Erik Agrell et al
Optics Express. Vol. 21 (22), p. 26376-26386
Journal article
2012

Adaptive Coded Modulation for Nonlinear Fiber-Optical Channels

Lotfollah Beygi, Erik Agrell, Magnus Karlsson
2012 IEEE Globecom Workshops, Anaheim, USA, 3-7 December 2012, p. 331-335
Paper in proceeding
2012

The Limits of Digital Backpropagation in Nonlinear Coherent Fiber-Optical Links

Lotfollah Beygi, Erik Agrell, Pontus Johannisson et al
2012 38th European Conference and Exhibition on Optical Communications, ECOC 2012; Amsterdam; Netherlands; 16 September 2012 through 20 September 2012, p. Art. no. 6706029-
Paper in proceeding
2012

Multidimensional capacity-approaching coded modulation scheme for fiber optical communications

Lotfollah Beygi, Erik Agrell, J. M. Kahn
Patent application
2012

A Discrete-Time Model for Uncompensated Single-Channel Fiber-Optical Links

Lotfollah Beygi, Erik Agrell, Pontus Johannisson et al
IEEE Transactions on Communications. Vol. 60 (11), p. 3440-3450
Journal article
2011

Optimization of 16-point Ring Constellations in the Presence of Nonlinear Phase Noise

Lotfollah Beygi, Erik Agrell, Magnus Karlsson
Optical Fiber Communication Conference (OFC), p. OThO4-
Paper in proceeding
2011

Signal Statistics in Fiber-Optical Channels with Polarization Multiplexing and Self-Phase Modulation

Lotfollah Beygi, Erik Agrell, Magnus Karlsson et al
Journal of Lightwave Technology. Vol. 29 (16), p. 2379 - 2386
Journal article
2010

Channel Capacity Bounds in the Presence of Quantized Channel State Information

Behrooz Makki, Lotfollah Beygi, Thomas Eriksson
Eurasip Journal on Wireless Communications and Networking, p. Article Number: 495014-
Journal article
2010

Coded Modulation Techniques in Fiber-Optical Communications

Lotfollah Beygi
Licentiate thesis
2010

A novel multilevel coded modulation scheme for fiber optical channel with nonlinear phase noise

Lotfollah Beygi, Erik Agrell, Pontus Johannisson et al
Proc. Global Communications Conference, Miami, FL
Paper in proceeding
2010

A novel rate allocation method for multilevel coded modulation

Lotfollah Beygi, Erik Agrell, Magnus Karlsson et al
IEEE International Symposium on Information Theory - Proceedings, p. 1983-1987
Paper in proceeding
2010

On the dimensionality of multilevel coded modulation in the high SNR regime

Lotfollah Beygi, Erik Agrell, Magnus Karlsson
IEEE Communications Letters. Vol. 14 (11), p. 1056-1058
Journal article

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