Alexandre Graell I Amat
Full Professor at
Communication Systems
Alexandre Graell i Amat is Professor with the Communication Systems group. His research interests are in the area of (modern) coding theory and cover a broad range of topics, including distributed storage, caching, and distributed computing, and optical communications. Prof. Graell i Amat received the MSc degree in Telecommunications Engineering from the Universitat Politècnica de Catalunya, Barcelona, Catalonia, Spain, in 2001, and the MSc and the PhD degrees in Electrical Engineering from the Politecnico di Torino, Turin, Italy, in 2000 and 2004, respectively. Previously to joining Chalmers in 2011, he was with ENST Bretagne, Brest, France, from 2006 to 2010, first as a Marie Curie Fellow and then as an Associate Professor. Prof. Graell i Amat is Editor at Large for the IEEE Transactions on Communications. Previously, he served as Associate Editor for the IEEE Transactions on Communications (2011-2016) and for the IEEE Communications Letters (2011-2013). He was the General Co-Chair of the 7th International Symposium on Turbo Codes & Iterative Information Processing, 2012, the Swedish Communication Technologies Workshop 2013, and the IEEE European School of Information Theory, 2016.Prof. Graell i Amat is the recipient of the 2010 IEEE ComSoc Best Young Researcher Award for the Europe, Middle East, and Africa Region, and of a Marie Curie Intra-European Fellowship (2006-2008) by the European Commission. He is co-author of a paper that won the 2016 IEEE Sweden VT-COM-IT joint chapter best student conference paper award.
Source: chalmers.se
Showing 117 publications
2019
On parameter optimization of product codes for iterative bounded distance decoding with scaled reliability
Alireza Sheikh, Alexandre Graell I Amat, Gianluigi Liva et al
European Conference on Optical Communication (ECOC)
Paper in proceedings
2019
Symbol Message Passing Decoding of Nonbinary Spatially-Coupled Low-Density Parity-Check Codes
Emna Ben Yacoub, Francisco Lázaro, Alexandre Graell I Amat et al
2019 AEIT International Annual Conference, AEIT 2019
Paper in proceedings
2019
On Low-Complexity Decoding of Product Codes for High-Throughput Fiber-Optic Systems
Alireza Sheikh, Alexandre Graell i Amat, Gianluigi Liva et al
IEEE International Symposium on Turbo Codes & Iterative Information Processing (ISTC). Invited paper
Paper in proceedings
2019
Improved Private Information Retrieval for Coded Storage From Code Decomposition
H.-Y. Lin, Siddhartha Kumar, Eirik Rosnes et al
IEEE Information Theory Workshop
Paper in proceedings
2019
Energy-Efficient Soft-Assisted Product Decoders
Christoffer Fougstedt, Alireza Sheikh, Alexandre Graell i Amat et al
2019 Optical Fiber Communications Conference and Exhibition (OFC)
Paper in proceedings
2019
Optimizing MDS Coded Caching in Wireless Networks with Device-to-Device Communication
Jesper Pedersen, Alexandre Graell i Amat, Iryna Andriyanova et al
IEEE Transactions on Wireless Communications. Vol. 18 (1), p. 286-295
Journal article
2019
Spatially coupled turbo-like codes: a new trade-off between waterfall and error floor
Saeedeh Moloudi, Michael Lentmaier, Alexandre Graell i Amat
IEEE Transactions on Communications. Vol. 67 (5), p. 3114-3123
Journal article
2019
Private Information Retrieval in Wireless Coded Caching
Siddhartha Kumar, Alexandre Graell I Amat, Eirik Rosnes
IEEE International Workshop on Signal Processing Advances in Wireless Communications, SPAWC
Paper in proceedings
2019
Coded Distributed Tracking
Albin Severinson, Eirik Rosnes, Alexandre Graell I Amat
2019 IEEE Global Communications Conference, GLOBECOM 2019 - Proceedings
Paper in proceedings
2019
MDS-Coded Distributed Caching for Low Delay Wireless Content Delivery
Amina Piemontese, Alexandre Graell i Amat
IEEE Transactions on Communications. Vol. 67 (2), p. 1600-1612
Journal article
2019
One and Two Bit Message Passing for SC-LDPC Codes with Higher-Order Modulation
Fabian Roland Steiner, Emna Ben Yacoub, Balázs Matuz et al
Journal of Lightwave Technology. Vol. 37 (23), p. 5914-5925
Journal article
2019
Binary Message Passing Decoding of Product-like Codes
Alireza Sheikh, Alexandre Graell I Amat, Gianluigi Liva
IEEE Transactions on Communications. Vol. 67 (12), p. 8167-8178
Journal article
2019
Private Information Retrieval From a Cellular Network With Caching at the Edge
Siddhartha Kumar, Alexandre Graell i Amat, Eirik Rosnes et al
IEEE Transactions on Communications. Vol. 67 (7), p. 4900-4912
Journal article
2019
Coding for optical communications -- can we approach the Shannon limit with low complexity?
Alexandre Graell I Amat, Gianluigi Liva, Fabian Roland Steiner
Paper in proceedings
2019
Weakly-Private Information Retrieval
H.-Y. Lin, Siddhartha Kumar, Eirik Rosnes et al
IEEE International Symposium on Information Theory - Proceedings. Vol. 2019, p. 1257-1261
Paper in proceedings
2019
A Droplet Approach Based on Raptor Codes for Distributed Computing with Straggling Servers
Albin Severinson, Alexandre Graell i Amat, Eirik Rosnes et al
IEEE International Symposium on Turbo Codes & Iterative Information Processing (ISTC)
Paper in proceedings
2019
Achieving Maximum Distance Separable Private Information Retrieval Capacity With Linear Codes
Siddhartha Kumar, Hsuan-Yin Lin, Eirik Rosnes et al
IEEE Transactions on Information Theory. Vol. 65 (7), p. 4243-4273
Journal article
2019
Block-Diagonal and LT Codes for Distributed Computing With Straggling Servers
Albin Severinson, Alexandre Graell i Amat, Eirik Rosnes
IEEE Transactions on Communications. Vol. 67 (3), p. 1739-1753
Journal article
2019
A Refined Scaling Law for Spatially Coupled LDPC Codes Over the Binary Erasure Channel
Roman Sokolovskii, Fredrik Brännström, Alexandre Graell I Amat
Paper in proceedings
2019
Symbol Message Passing Decoding of Nonbinary Low-Density Parity-Check Codes
F. Lázaro, Alexandre Graell I Amat, Gianluigi Liva et al
2019 IEEE Global Communications Conference, GLOBECOM 2019 - Proceedings
Paper in proceedings
2019
Binary Message Passing Decoding of Product Codes Based on Generalized Minimum Distance Decoding: (Invited Paper)
Alireza Sheikh, Alexandre Graell i Amat, Gianluigi Liva
53rd Annual Conference on Information Sciences and Systems (CISS). Invited paper
Paper in proceedings
2018
Asymptotic Analysis and Spatial Coupling of Counter Braids
Eirik Rosnes, Alexandre Graell i Amat
IEEE Transactions on Information Theory. Vol. 64 (11), p. 7242-7263
Journal article
2018
Asymmetry Helps: Improved Private Information Retrieval Protocols for Distributed Storage
Hsuan-Yin Lin, Siddhartha Kumar, Eirik Rosnes et al
Conference contribution
2018
Local Reconstruction Codes: A Class of MDS-PIR Capacity-Achieving Codes
Siddhartha Kumar, Hsuan-Yin Lin, Eirik Rosnes et al
IEEE Information Theory Workshop
Paper in proceedings
2018
Block-Diagonal Coding for Distributed Computing With Straggling Servers
Albin Severinson, Alexandre Graell i Amat, Eirik Rosnes
IEEE Information Theory Workshop (ITW), p. 464-468
Paper in proceedings
2018
Iterative Bounded Distance Decoding of Product Codes with Scaled Reliability
Alireza Sheikh, Alexandre Graell i Amat, Gianluigi Liva
European Conference on Optical Communication (ECOC). Vol. 2018-September
Paper in proceedings
2018
Probabilistic Amplitude Shaping with Hard Decision Decoding and Staircase Codes
Alireza Sheikh, Alexandre Graell i Amat, Gianluigi Liva et al
Journal of Lightwave Technology. Vol. 36 (9), p. 1689-1697
Journal article
2018
Finite Length Analysis of Irregular Repetition Slotted ALOHA in the Waterfall Region
Alexandre Graell i Amat, Gianluigi Liva
IEEE Communications Letters. Vol. 22 (5), p. 886-889
Journal article
2018
Improving the Decoding Threshold of Tailbiting Spatially Coupled LDPC Codes by Energy Shaping
Thomas Jerkovits, Gianluigi Liva, Alexandre Graell i Amat
IEEE Communications Letters. Vol. 22 (4), p. 660-663
Journal article
2018
An MDS-PIR Capacity-Achieving Protocol for Distributed Storage Using Non-MDS Linear Codes
Hsuan-Yin Lin, Siddhartha Kumar, Eirik Rosnes et al
IEEE International Symposium on Information Theory, p. 966-970
Paper in proceedings
2018
Probabilistic Eigenvalue Shaping for Nonlinear Fourier Transform Transmission
Andreas Buchberger, Alexandre Graell i Amat, Vahid Aref et al
Journal of Lightwave Technology. Vol. 36 (20), p. 4799-4807
Journal article
2018
Code Constructions for Distributed Storage With Low Repair Bandwidth and Low Repair Complexity
Siddhartha Kumar, Alexandre Graell i Amat, Iryna Andriyanova et al
IEEE Transactions on Communications. Vol. 66 (12), p. 5847-5860
Journal article
2017
A structured irregular repetition slotted ALOHA scheme with low error floors
E. Paolini, G. Liva, Alexandre Graell i Amat
IEEE International Conference on Communications
Paper in proceedings
2017
On Frame Asynchronous Coded Slotted ALOHA: Asymptotic, Finite Length, and Delay Analysis
Erik Sandgren, Alexandre Graell i Amat, Fredrik Brännström
IEEE Transactions on Communications. Vol. 65 (2), p. 691-704
Journal article
2017
Compressed Sensing in Wireless Sensor Networks without Explicit Position Information
CHRISTOPHER LINDBERG, Alexandre Graell i Amat, Henk Wymeersch
IIEEE Transactions on Signal and Information Processing over Networks. Vol. 3 (2), p. 404-415
Journal article
2017
Finite Length Weight Enumerator Analysis of Braided Convolutional Codes
Saeedeh Moloudi, Michael Lentmaier, Alexandre Graell i Amat
International Symposium on Information Theory and Its Applications (ISITA), p. 488-492
Paper in proceedings
2017
Density Evolution for Deterministic Generalized Product Codes on the Binary Erasure Channel at High Rates
Christian Häger, Henry D. Pfister, Alexandre Graell i Amat et al
IEEE Transactions on Information Theory. Vol. 63 (7), p. 4357-4378
Journal article
2017
Spatially Coupled Turbo-Like Codes
Saeedeh Moloudi, Michael Lentmaier, Alexandre Graell i Amat
IEEE Transactions on Information Theory. Vol. 63 (10), p. 6199-6215
Journal article
2017
Successive cancellation decoding of single parity-check product codes
Mustafa Cemil Coskun, Gianluigi Liva, Alexandre Graell i Amat et al
IEEE International Symposium on Information Theory (ISIT), p. 1763-1767
Paper in proceedings
2017
Private Information Retrieval in Distributed Storage Systems Using an Arbitrary Linear Code
Siddhartha Kumar, Eirik Rosnes, Alexandre Graell i Amat
IEEE International Symposium on Information Theory (ISIT), p. 1421-1425
Paper in proceedings
2017
A Unified Ensemble of Concatenated Convolutional Codes
Saeedeh Moloudi, Michael Lentmaier, Alexandre Graell i Amat
IEEE International Symposium on Information Theory (ISIT), p. 26-30
Paper in proceedings
2017
Probabilistically-Shaped Coded Modulation with Hard Decision Decoding for Coherent Optical Systems
Alireza Sheikh, Alexandre Graell i Amat, Gianluigi Liva
European Conference on Optical Communication (ECOC)
Paper in proceedings
2017
On Achievable Information Rates for Coherent Fiber-Optic Systems with Hard Decision Decoding
Alireza Sheikh, Alexandre Graell i Amat, Gianluigi Liva
European Conference on Optical Communication (ECOC)
Paper in proceedings
2017
Broadcast coded slotted ALOHA: A finite frame length analysis
Mikhail Ivanov, Fredrik Brännström, Alexandre Graell i Amat et al
IEEE Transactions on Communications. Vol. 65 (2), p. 651-662
Journal article
2017
Achievable Information Rates for Coded Modulation With Hard Decision Decoding for Coherent Fiber-Optic Systems
Alireza Sheikh, Alexandre Graell i Amat, Gianluigi Liva
Journal of Lightwave Technology. Vol. 35 (23), p. 5069-5078
Journal article
2017
Nonbinary Staircase Codes for Spectrally and Energy Efficient Fiber-Optic Systems
Alireza Sheikh, Alexandre Graell i Amat, Magnus Karlsson
Optical Fiber Communication Conference 2017, p. W1J.1-
Paper in proceedings
2016
Distributed Storage in Mobile Wireless Networks with Device-to-Device Communication
Jesper Pedersen, Alexandre Graell i Amat, Iryna Andriyanova et al
IEEE Transactions on Communications. Vol. 64 (11), p. 4862-4878
Journal article
2016
Unequal Error Protection in Coded Slotted ALOHA
Mikhail Ivanov, Fredrik Brännström, Alexandre Graell i Amat et al
IEEE Wireless Communications Letters. Vol. 5 (5), p. 536-539
Journal article
2016
Density Evolution and Error Floor Analysis for Staircase and Braided Codes
Christian Häger, Henry D. Pfister, Alexandre Graell i Amat et al
Proc. Optical Fiber Communication Conf. and Exposition (OFC)
Paper in proceedings
2016
MDS-coded distributed storage for low delay wireless content delivery
Amina Piemontese, Alexandre Graell i Amat
International Symposium on Turbo Codes and Iterative Information Processing, ISTC, p. 320-324
Paper in proceedings
2016
Secure Repairable Fountain Codes
Siddhartha Kumar, Eirik Rosnes, Alexandre Graell i Amat
IEEE Communications Letters. Vol. 20 (8), p. 1491-1494
Journal article
2016
On the Information Loss of the Max-Log Approximation in BICM Systems
Mikhail Ivanov, Christian Häger, Fredrik Brännström et al
IEEE Transactions on Information Theory. Vol. 62 (6), p. 3011 - 3025
Journal article
2016
A Deterministic Construction and Density Evolution Analysis for Generalized Product Codes
Christian Häger, Henry D. Pfister, Alexandre Graell i Amat et al
Conference contribution
2016
Dispersion Compensation FIR Filter with Improved Robustness to Coefficient Quantization Errors
Alireza Sheikh, Christoffer Fougstedt, Alexandre Graell i Amat et al
Journal of Lightwave Technology. Vol. 34 (22), p. 5110-5117
Journal article
2016
Asymptotic and Finite Frame Length Analysis of Frame Asynchronous Coded Slotted ALOHA
Erik Sandgren, Alexandre Graell i Amat, Fredrik Brännström
International Symposium on Turbo Codes and Iterative Information Processing, ISTC, p. 81-85
Paper in proceedings
2016
Linear Massive MIMO Precoders in the Presence of Phase Noise – A Large-Scale Analysis
Rajet Krishnan, M Reza Khanzadi, N. Krishnan et al
IEEE Transactions on Vehicular Technology. Vol. 65 (5), p. 3057-3071
Journal article
2016
Threshold Saturation for Nonbinary SC-LDPC Codes on the Binary Erasure Channel
Iryna Andriyanova, Alexandre Graell i Amat
IEEE Transactions on Information Theory. Vol. 62 (5), p. 2622-2638
Journal article
2016
Deterministic and Ensemble-Based Spatially-Coupled Product Codes
Christian Häger, Henry D. Pfister, Alexandre Graell i Amat et al
IEEE International Symposium on Information Theory - Proceedings, p. 2114-2118
Paper in proceedings
2016
Density Evolution for Deterministic Generalized Product Codes with Higher-Order Modulation
Christian Häger, Alexandre Graell i Amat, Henry D. Pfister et al
International Symposium on Turbo Codes and Iterative Information Processing, ISTC, p. 236-240
Paper in proceedings
2015
Dispersion Compensation Filter Design Optimized for Robustness and Power Efficiency
Alireza Sheikh, Christoffer Fougstedt, Alexandre Graell i Amat et al
Signal Processing in Photonics Communications, SPPCom 2015; Boston, MA; United States; 27 June 2015 through 1 July 2015, p. SpT3D.2-
Paper in proceedings
2015
Impact of Forward Error Correction on Energy Consumption of VCSEL-based Transmitters
Krzysztof Szczerba, Christoffer Fougstedt, Per Larsson-Edefors et al
41st European Conference on Optical Communication, ECOC 2015, Valencia, Spain, 27 September - 1 October 2015
Paper in proceedings
2015
Threshold Saturation for Spatially Coupled Turbo-like Codes over the Binary Erasure Channel
Saeedeh Moloudi, Michael Lentmaier, Alexandre Graell i Amat
IEEE Information Theory Workshop (ITW), p. 138-142
Paper in proceedings
2015
All-to-all Broadcast for Vehicular Networks Based on Coded Slotted ALOHA
Mikhail Ivanov, Fredrik Brännström, Alexandre Graell i Amat et al
IEEE International Conference on Communication Workshop, ICCW 2015, London, UK, June 2015, p. 2046-2050
Paper in proceedings
2015
Spatially-Coupled Codes for Optical Communications: State-of-the-Art and Open Problems
Alexandre Graell i Amat, Christian Häger, Fredrik Brännström et al
20th OptoElectronics and Communications Conference, OECC 2015, p. Art. no. 7340116-
Paper in proceedings
2015
Terminated and Tailbiting Spatially-Coupled Codes with Optimized Bit Mappings for Spectrally Efficient Fiber-Optical Systems
Christian Häger, Alexandre Graell i Amat, Fredrik Brännström et al
Journal of Lightwave Technology. Vol. 33 (7), p. 1275-1285
Journal article
2015
Algorithms for Joint Phase Estimation and Decoding for MIMO Systems in the Presence of Phase Noise and Quasi-Static Fading Channels
Rajet Krishnan, Giulio Colavolpe, Alexandre Graell i Amat et al
IEEE Transactions on Signal Processing. Vol. 63 (13), p. 3360-3375
Journal article
2015
Error Floor Analysis of Coded Slotted ALOHA over Packet Erasure Channels
Mikhail Ivanov, Fredrik Brännström, Alexandre Graell i Amat et al
IEEE Communications Letters. Vol. 19 (3), p. 419-422
Journal article
2015
Repair Scheduling in Wireless Distributed Storage with D2D Communication
Jesper Pedersen, Alexandre Graell i Amat, Iryna Andriyanova et al
IEEE Information Theory Workshop (ITW), p. 69-73
Paper in proceedings
2015
Probabilistic Handshake in All-to-all Broadcast Coded Slotted ALOHA
Mikhail Ivanov, Petar Popovski, Fredrik Brännström et al
Proc. IEEE Int. Workshop Signal Proc. Advances Wireless Commun., Stockholm, Sweden, June 2015, p. 690-694
Paper in proceedings
2015
On Parameter Optimization for Staircase Codes
Christian Häger, Alexandre Graell i Amat, Henry D. Pfister et al
Proc. Optical Fiber Communication Conference and Exposition (OFC)
Paper in proceedings
2015
Analysis of Spatially-Coupled Counter Braids
Eirik Rosnes, Alexandre Graell i Amat
IEEE Information Theory Workshop (ITW), p. 133-137
Paper in proceedings
2015
A Family of Erasure Correcting Codes with Low Repair Bandwidth and Low Repair Complexity
Siddhartha Kumar, Alexandre Graell i Amat, Iryna Andriyanova et al
IEEE Global Communications Conference (GLOBECOM), San Diego, CA, DEC 06-10, 2015
Paper in proceedings
2015
Large-Scale Analysis of Linear Massive MIMO Precoders in the Presence of Phase Noise
Rajet Krishnan, M Reza Khanzadi, N. Krishnan et al
2015 IEEE International Conference on Communication Workshop, p. 1172-1177
Paper in proceedings
2015
Power-Efficient Time-Domain Dispersion Compensation Using Optimized FIR Filter Implementation
Christoffer Fougstedt, Alireza Sheikh, Pontus Johannisson et al
Signal Processing in Photonics Communications, SPPCom 2015; Boston, MA; United States; 27 June 2015-1 July 2015, p. SpT3D.3-
Paper in proceedings
2014
Braided Convolutional Codes: A Class of Spatially Coupled Turbo-Like Codes
Michael Lentmaier, Saeedeh Moloudi, Alexandre Graell i Amat
International Conference on Signal Processing and Communications (SPCOM). Invited Paper. Bangalore, India, 22-25 July 2014, p. Art. no. 6983939-
Paper in proceedings
2014
Distributed Compressed Sensing for Sensor Networks with Packet Erasures
CHRISTOPHER LINDBERG, Alexandre Graell i Amat, Henk Wymeersch
2014 IEEE Global Communications Conference, GLOBECOM 2014; Austin; United States; 8 December 2014 through 12 December 2014, p. 13-19
Paper in proceedings
2014
Optimized Bit Mappings for Spatially Coupled LDPC Codes over Parallel Binary Erasure Channels
Christian Häger, Alexandre Graell i Amat, Alex Alvarado et al
Proc. 1st IEEE International Conference on Communications (ICC), p. 2064-2069
Paper in proceedings
2014
Spatially Coupled Turbo Codes
Saeedeh Moloudi, Michael Lentmaier, Alexandre Graell i Amat
International Symposium on Turbo Codes and Iterative Information Processing, ISTC, p. 82-86
Paper in proceedings
2014
Proving Threshold Saturation for Nonbinary SC-LDPC Codes on the Binary Erasure Channel
Alexandre Graell i Amat, Iryna Andriyanova, Amina Piemontese
31st General Assembly and Scientific Symposium of the International Union of Radio Science, URSI GASS 2014; Beijing; China; 16 August 2014 through 23 August 2014, p. Art. no. 6929239-
Paper in proceedings
2014
Green Communication via Power-optimized HARQ Protocols
Behrooz Makki, Alexandre Graell i Amat, Thomas Eriksson
IEEE Transactions on Vehicular Technology. Vol. 63 (1), p. 161-177
Journal article
2014
Spatially Coupled Turbo Codes: Principles and Finite Length Performance
Alexandre Graell i Amat, Saeedeh Moloudi, Michael Lentmaier
11th International Symposium on Wireless Communications Systems, ISWCS 2014; Barcelona; Spain; 26 August 2014 through 29 August 2014, p. 883-887
Paper in proceedings
2014
Using Short Synchronous WOM Codes to Make WOM Codes Decodable
Nicolas Bitouzé, Alexandre Graell i Amat, Eirik Rosnes
IEEE Transactions on Communications. Vol. 62 (7), p. 2156-2169
Journal article
2014
An Introduction to Distributed Channel Coding
Alexandre Graell i Amat, Ragnar Thobaben
Channel Coding: Theory, Algorithms, and Applications, Academic Press Library in Mobile and Wireless Communications, p. 399-450
Book chapter
2014
Minimum Pseudoweight Analysis of 3-Dimensional Turbo Codes
Eirik Rosnes, Alexandre Graell i Amat, Alexandre Graell i Amat
IEEE Transactions on Communications. Vol. 62 (7), p. 2170-2182
Journal article
2014
Improving soft FEC performance for higher-order modulations via optimized bit channel mappings
Christian Häger, Alexandre Graell i Amat, Fredrik Brännström et al
Optics Express. Vol. 22 (12), p. 14544-14558
Journal article
2014
On Noisy ARQ in Block-Fading Channels
Behrooz Makki, Alexandre Graell i Amat, Thomas Eriksson
IEEE Transactions on Vehicular Technology. Vol. 63 (2), p. 731-746
Journal article
2014
Joint phase noise estimation and data detection in coded multi-input-multi-output systems
Arif Onder Isikman, Hani Mehrpouyan, Ali Arshad Nasir et al
IET Communications. Vol. 8 (7), p. 981-989
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
2014
Spatially-Coupled LDPC Codes for Decode-and-Forward Relaying of Two Correlated Sources over the BEC
S. Schwandter, Alexandre Graell i Amat, G. Matz
IEEE Transactions on Communications. Vol. 62 (4), p. 1324-1337
Journal article
2014
Comparison of Terminated and Tailbiting Spatially Coupled LDPC Codes With Optimized Bit Mapping for PM-64-QAM
Christian Häger, Alexandre Graell i Amat, Fredrik Brännström et al
2014 European Conference on Optical Communication, ECOC 2014; Cannes; France; 21 September 2014 through 25 September 2014, p. Art. no. 6964047-
Paper in proceedings
2013
Frequency Packing and Multiuser Detection for CPMs: How to Improve the Spectral Efficiency of DVB-RCS2 Systems
Amina Piemontese, Alexandre Graell i Amat, Giulio Colavolpe
IEEE Wireless Communications Letters. Vol. 2 (1), p. 74-77
Journal article
2013
On Optimal TCM Encoders
Alex Alvarado, Alexandre Graell i Amat, Fredrik Brännström et al
IEEE Transactions on Communications. Vol. 61 (6), p. 2178 - 2189
Journal article
2013
Nonbinary Spatially-coupled LDPC Codes on the Binary Erasure Channel
Amina Piemontese, Alexandre Graell i Amat, Giulio Colavolpe
IEEE International Conference on Communications, p. 3270 - 3274
Paper in proceedings
2013
Design of APSK Constellations for Coherent Optical Channels with Nonlinear Phase Noise
Christian Häger, Alexandre Graell i Amat, Alex Alvarado et al
IEEE Transactions on Communications. Vol. 61 (8), p. 3362-3373
Journal article
2013
Constellation Optimization in the Presence of Strong Phase Noise
Rajet Krishnan, Alexandre Graell i Amat, Thomas Eriksson et al
IEEE Transactions on Communications. Vol. 61 (12), p. 5056-5066
Journal article
2012
On the Equivalence of TCM Encoders
Alex Alvarado, Alexandre Graell i Amat, Fredrik Brännström et al
2012 IEEE International Symposium on Information Theory, ISIT 2012. Cambridge, MA, 1 - 6 July 2012, p. 2401-2405
Paper in proceedings
2012
HARQ Feedback in Spectrum Sharing Networks
Behrooz Makki, Alexandre Graell i Amat, Thomas Eriksson
IEEE Communications Letters. Vol. 16 (9), p. 1337-1340
Journal article
2012
Making WOM Codes Decodable using Short Synchronous WOM Codes
Nicolas Bitouzé, Alexandre Graell i Amat, Eirik Rosnes
IEEE International Symposium on Information Theory - Proceedings, p. 1381-1385
Paper in proceedings
2012
On ARQ-Based Fast-Fading Channels
Behrooz Makki, Alexandre Graell i Amat, Thomas Eriksson
IEEE Communications Letters. Vol. 16 (12), p. 1921-1924
Journal article
2012
Asymptotically optimal trellis coded modulation systems
Alexandre Graell i Amat, Alex Alvarado, Fredrik Brännström et al
Information Theory and Applications Workshop (ITA) 2012, San Diego, CA [Invited]
Conference contribution
2012
Analysis and Design of Tuned Turbo Codes
C. Koller, Alexandre Graell i Amat, J. Kliewer et al
IEEE Transactions on Information Theory. Vol. 58 (7), p. 4796-4813
Journal article
2012
Power allocation in repetition time diversity hybrid automatic repeat request feedback
Behrooz Makki, Alexandre Graell i Amat, Thomas Eriksson
IEEE Wireless Communications and Networking Conference, WCNC, p. 2329-2334
Paper in proceedings
2012
Constellation Optimization for Coherent Optical Channels Distorted by Nonlinear Phase Noise
Christian Häger, Alexandre Graell i Amat, Alex Alvarado et al
Proc. IEEE Global Communications Conference (GLOBECOM) 2012, p. 2870-2875
Paper in proceedings
2012
Spatially Coupled LDPC Codes for Two-User Decode-and-Forward Relaying'
S. Schwandter, Alexandre Graell i Amat, G. Matz
International Symposium on Turbo Codes and Iterative Information Processing, ISTC, p. 46-50
Paper in proceedings
2012
Two-level HARQ for turbo coded cooperation: System retransmission gain and optimal time allocation
H. Farès, Alexandre Graell i Amat, C. Langlais et al
IEEE Wireless Communications and Networking Conference, WCNC, p. 433-437
Paper in proceedings
2011
Pseudocodewords of linear programming decoding of 3-dimensional turbo codes
Eirik Rosnes, Michael Helmling, Alexandre Graell i Amat
IEEE International Symposium on Information Theory - Proceedings, p. 1643-1647
Paper in proceedings
2011
MIMO systems for turbo coded cooperation over orthogonal and non-orthogonal channels
H. Farès, S. O. Mohamed, C. Langlais et al
11th International Conference on ITS Telecommunications, ITST 2011, St. Petersburg, 23-25 August 2011, p. 453-457
Paper in proceedings
2011
Error probability bounds for decode-and-forward relaying with two correlated sources
S. Schwandter, H. Farès, Alexandre Graell i Amat et al
GLOBECOM - IEEE Global Telecommunications Conference, p. 1-5
Paper in proceedings
2011
Performance Analysis of 3-D Turbo Codes
Eirik Rosnes, Alexandre Graell i Amat
IEEE Transactions on Information Theory. Vol. 57 (6), p. 3707-3720
Journal article
2011
Coding
Gerhard Bauch, Claude Berrou, David Declercq et al
Error Control Coding for B3G/4G Wireless Systems: Paving the Way to IMT-Advanced Standards, Wiley, p. 1-46
Book chapter
2011
Unifying Analysis and Design of Rate-Compatible Concatenated Codes
Alexandre Graell i Amat, Lars K. Rasmussen, Fredrik Brännström
IEEE Transactions on Communications. Vol. 59 (2), p. 343-351
Journal article
2011
Distributed Serially Concatenated Codes for Multi-Source Cooperative Relay Networks
Roua Youssef, Alexandre Graell i Amat
IEEE Transactions on Wireless Communications. Vol. 10 (1), p. 253-263
Journal article
2011
On the Minimum Distance Properties of Weighted Nonbinary Repeat Multiple-Accumulate Codes
Alexandre Graell i Amat, Eirik Rosnes
2011 Information Theory and Applications Workshop
Paper in proceedings
2007
On the design of rate-compatible serially concatenated convolutional codes
Alexandre Graell i Amat, Fredrik Brännström, Lars K. Rasmussen
European Transactions on Telecommunications. Vol. 18 (5), p. 519-527
Journal article
2007
A general structure for rate-compatible concatenated codes
Fredrik Brännström, Alexandre Graell i Amat, Lars K. Rasmussen
IEEE Communications Letters. Vol. 11 (5), p. 437-439
Journal article
2006
Design of Rate-Compatible Serially Concatenated Convolutional Codes
Alexandre Graell i Amat, Fredrik Brännström, Lars K. Rasmussen
International Symposium on Turbo Codes and Related Topics, Munich, Germany, April 2006
Paper in proceedings
2006
Analysis and Design of Concatenated Codes
Fredrik Brännström, Alexandre Graell i Amat, Lars K. Rasmussen
NEWCOM-ACoRN Joint Workshop, Vienna, Austria, Sept. 2006
Paper in proceedings
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Showing 7 research projects
2016–2020
Coding for Optical communications In the Nonlinear regime (COIN)
Erik Agrell
Communication Systems
Alexandre Graell i Amat
Communication Systems
European Commission (Horizon 2020)
2015–2017
Distributed storage based on sparse-graph codes
Alexandre Graell i Amat
Communication Systems
European Commission (Horizon 2020)
2014–2019
Energy-efficient optical fibre communication
Christoffer Fougstedt
Computer Engineering (Chalmers)
Kevin Cushon
Computer Engineering (Chalmers)
Anders Larsson
Photonics
Magnus Karlsson
Photonics
Per Larsson-Edefors
Computer Engineering (Chalmers)
Peter Andrekson
Photonics
Lars Lundberg
Photonics
Alexandre Graell i Amat
Communication Systems
Erik Agrell
Communication Systems
Alireza Sheikh
Communication Systems
Knut and Alice Wallenberg Foundation
2014–2017
Spatially Coupled Turbo-Like Codes
Alexandre Graell i Amat
Communication Systems
Swedish Research Council (VR)
2012–2015
Signal Recovery: Compressed Sensing meets Coding Theory
Alexandre Graell i Amat
Communication Systems
Swedish Research Council (VR)
2012–2015
MIMO-BICM: Fundamentals, Analysis, and Design
Alexandre Graell i Amat
Communication Systems
Fredrik Brännström
Communication Systems
Mikhail Ivanov
Communication Systems
Erik Agrell
Communication Systems
Swedish Research Council (VR)
2011–2014
Kooperativ kommunikation med sidinformation
Alexandre Graell i Amat
Communication Systems
Swedish Foundation for Strategic Research (SSF)
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