Education Data Communications (under graduate course) Lecture 4 of 5

DATA COMMUNICATIONS DATA COMMUNICATIONS Dr. Randa Elanwar 2012-2013 Modems: characteristics, modulation, control, V-standards Introduction: So far, we have discussed base…

Education Data comm4&5Data Communications (under graduate course) Lecture 3 of 5

DATA COMMUNICATIONS DATA COMMUNICATIONS Dr. Randa Elanwar 2012-2013 Compact source codes Physical sources naturally generate signals that contain a significant amount of…

Education Data Communications (under graduate course) Lecture 5 of 5

DATA COMMUNICATIONS DATA COMMUNICATIONS Dr. Randa Elanwar 2012-2013 Error Control Digital transmission systems introduce errors Circuit Errors: Background noise (electrical…