Multiplexing


Multiplexing is a technique used in data communication to combine multiple signals into a single signal over a shared medium. This allows multiple users to share the same communication channel, increasing the efficiency of the system. There are several types of multiplexing, including time-division multiplexing (TDM), frequency-division multiplexing (FDM), and wavelength-division multiplexing (WDM). TDM divides the channel into time slots, with each user allocated a specific time slot to transmit their data. FDM divides the channel into frequency bands, with each user allocated a specific frequency band to transmit their data. WDM is used in optical fiber communication and divides the channel into different wavelengths of light, with each user allocated a specific wavelength to transmit their data.


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