Frequency-division multiplexing, wavelength-division multiplexing, and time-division multiplexing.
what is function of amplitude division multiplexing
Frequency-division multiplexing and wavelength-division multiplexing
What is multiplexing and its diagram
Multiplexing is the process of combining multiple signals over one media line. There are several types of multiplexing: frequency division, time division, and wavelength division.
In analog transmission, signals are commonly multiplexed using frequency-division multiplexing (FDM)
Multiplexing techniques vary widely based on what is being multiplexed. Modern telecommunications use a very wide array of techniques including: TDM - examples: TDMA, T-carrier FDM - examples: DWDM Spatial - example: MIMO Code division - examples: CDMA Phase or polarization division - cable/satellite TV Statistcal - examples: packet mode (STS), FHSS etc etc. This is far from a complete list. I think the question needs to be more specific.
Orthogonal frequency division multiplexing is special case of frequency division multiplexing where a ling serial data streams are divided into parallel data streams and each data stream is multiplied either by orthogonal frequency or code. when multiplied by code known as frequency code division multiplexing and when multiplied by orthogonal frequency then know as orthogonal frequency division multiplexing
WDM (wavelength division multiplexing)
Orthogonal frequency-division multiplexing
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disadvantages of wavelenth division multiplexing