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refers to the combination of information streams from multiple sources for transmission over a shared medium
refers to the seperation of a combination back into separate information stream
What are the four basic approaches to multiplexing?
- Frequency Division Multiplexing (FDM)
- Wavelength Division Multiplexing (WDM)
- Time Division Multiplexing (TDM)
- Code Division Multiplexing (CDM)
Which types of of Multiplexing is used widely?
TDM and FDM
Which form of FDM is used for optical fiber?
What is CDM used for?
is a mathematical approach used in cell phone mechanisms
What is Hierarchical FDM?
flexibility in FDM arises from the ability of hardware to shift frequencies
What is Dense WDM (DWMD)?
emphasize that many wavelengths of light can be employed
What is TDM?
is less esoteric than FDM and does not rely on special properties of electromagnetic energy
In Synchrounous TDM, how are items usually sent?
What is TDM to refer to the specific form of TDM used for?
multiplex digital telephone calls
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