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Error-Correcting Codes, Sphere Packing and Lattices, and Communication Theory



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 “The intelligence and precision of Science serve the beauty of Art.” – Joseph J. Boutros



I am Professor of Electrical and Computer Engineering at Texas A&M University at Qatar. Previously, I was Associate Professor at Ecole Nationale Superieure des Telecommunications, ENST, Paris, France, a.k.a. Telecom Paris.


My main area of expertise is Coding Theory. Here, Coding refers to error-correcting codes, not to the area of programming and developing software. Coding Theory is strongly linked to Information Theory and Digital Communications. For my background in this area, I got my first training as an intern at Philips Research Lab (Laboratoire d'Electronique Philips) in Paris in 1991. I defended my Ph.D. in 1996 on lattices for fading channels, an unusual Ph.D. work which is half way between Mathematics and Electrical Engineering. Later, I was interested in turbo codes, these are parallel Markovian machines good for almost all channels, including the multiple-antenna channel and the multiple-access channel. Also, I designed in 2004-2006 a special turbo code that reaches the highest possible minimum distance (logarithmic in the code length). In the last decade, my research was dedicated to codes on graphs, e.g. root-LDPC codes published in 2010 and to new families of lattices efficiently-decodabe in high dimensions and capable of attaining Shannon capacity at asymptotic dimensions, e.g. LDA and GLD lattices in 2012-2019.


Modern coding deals with codes on graphs and their iterative decoding. The word "codes" stands for both error-correcting codes and lattices. Usual error-correcting codes are vector spaces over finite fields. Lattices are free modules over rings in Euclidean spaces. I am also interested in applications of error-correcting codes and lattices in the field of post-quantum cryptography and machine learning (a.k.a. Artificial Intelligence by the public).



Contact Information


Prof. Joseph J. Boutros

Texas A&M University at Qatar

c/o Qatar Foundation

Education City, Texas Engineering Building

23874 Doha, Qatar


Office phone


(Admin. Assistant)




Email: mylastname -at- tamu -dot- edu





Last update on Spring 2020