Computer Communication Networks Computer networks  Signal processing Signal, Speech and Image Processing Telecommunication Application software Communications Engineering, Networks Computer Vision Computer and Information Systems Applications Computer vision Data and Information Security Data protection Human-computer interaction Multimedia systems User Interfaces and Human Computer Interaction User interfaces (Computer systems) Coding and Information Theory Coding theory Cryptography Cryptology Data encryption (Computer science) Electronic data processing-Management IT Operations Information Storage and Retrieval Information storage and retrieval systems Information theory Mobile & Wireless Communications Multimedia Information Systems Multiplexage par répartition orthogonale de la fréquence Orthogonal frequency division multiplexing