Principles of Digital Communications I

Figure showing an antenna and a receiving device.

Wireless digital communications. (Image by MIT OpenCourseWare.)


MIT Course Number


As Taught In

Fall 2006



Cite This Course

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.

Other OCW Versions

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Lizhong Zheng, and Robert Gallager. 6.450 Principles of Digital Communications I, Fall 2006. (Massachusetts Institute of Technology: MIT OpenCourseWare), (Accessed). License: Creative Commons BY-NC-SA

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