Introduction to Data Communications (S1, 2014)
Data Transmission
Lecture Material
Readings
Videos
- This year: Part 1, Part 2, Part 3, Part 4, Part 5, Part 6 (Decibels), Part 7 (dBm)
- Last year: Part 1 (CS6), Part 1 (IT), Part 2 (CS), Part 2 (IT), Part 3 (CS), Part 3 (IT)
Notes
- In lecture I plotted several signals using GNU Octave, free open-source mathematics software. If you want to try, you can install Octave on your own computer, start it, and copy-and-paste the commands I used from this file. Some of the plots produced are below.
- Notes from the lecture are below. Hover over the image to see a description; right-click and view the image to zoom in. Alternatively you can download a zip archive of all the image or a printable PDF of the notes.
Signals in Time and Frequency Domain
Signals, Bandwidth and Data Rate
Signals, Noise and Multiple Levels
Nyquist and Shannon Capacity
Logarithms and Decibels
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