Technical Terms and Definitions

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Multiplexing - Telecommunications

Multiplexing is sending multiple signal or streams of information on a carrier at the same time in the form of a single, complex signal and then recovering the separate signals at the receiving end. analog signals are commonly multiplexed using frequency-division multiplexing (frequency-division multiplexing), in which the carrier bandwidth is divided into subchannels of different frequency widths, each carrying a signal at the same time in parallel. digital signals are commonly multiplexed using time-division multiplexing (Time-Division Multiplexing), in which the multiple signals are carried over the same channel in alternating time slots. In some optical fiber networks, multiple signals are carried together as separate wavelengths of light in a multiplexed signal using dense wavelength-division multiplexing.