Data Communication. Instructor: Prof. Ajit Pal, Department of Computer Science and Engineering, IIT Kharagpur. This course provides the fundamentals of data communication covering topics: a simple data communication model, layered architecture, data and signal, transmission impairments and channel capacity, transmission media, transmission of digital and analog signals, multiplexing techniques, interfacing, error detection and correction, flow and error control, data link control, switching techniques,
data communication through LAN and WAN, multimedia networks, audio and video compression, and secured communication. (from nptel.ac.in)
Lecture 10 - Transmission of Analog Signal: Modulation Techniques - FM, PM, ASK, FSK