An Introduction to Time-Division Multiplexing
A medium can natively carry only one signal at any moment in time. For multiple signals to share a medium, the medium must somehow be divided, giving each signal a portion of the total bandwidth. The current techniques that can accomplish this include time-division multiplexing (TDM), frequency-division multiplexing (FDM), code-division multiple access (CDMA), and wavelength-division multiplexing (WDM). Variations of these four multiplexing techniques are used in data transmission systems.
TDM is a common way to send multiple signals or streams of information over a medium at the same time in the form of a single, complex signal and then recover the separate signals at the receiving end. In this scheme, ...
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