Archived Versions

6.450 Principles of Digital Communications I

As taught in: Fall 2006

Figure showing an antenna and a receiving device.

Wireless digital communications. (Image by MIT OpenCourseWare.)




Prof. Lizhong Zheng

Prof. Robert Gallager

Course Features

Course Description

The course serves as an introduction to the theory and practice behind many of today's communications systems. 6.450 forms the first of a two-course sequence on digital communication. The second class, 6.451, is offered in the spring.

Topics covered include: digital communications at the block diagram level, data compression, Lempel-Ziv algorithm, scalar and vector quantization, sampling and aliasing, the Nyquist criterion, PAM and QAM modulation, signal constellations, finite-energy waveform spaces, detection, and modeling and system design for wireless communication.