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time division multiplexing
<communications> (TDM) A type of multiplexing where two or
more channels of information are transmitted over the same
link by allocating a different time interval ("slot" or
"slice") for the transmission of each channel. I.e. the
channels take turns to use the link. Some kind of periodic
synchronising signal or distinguishing identifier is usually
required so that the receiver can tell which channel is which.
TDM becomes inefficient when traffic is intermittent because
the time slot is still allocated even when the channel has no
data to transmit. Statistical time division multiplexing
was developed to overcome this problem.
Compare wavelength division multiplexing, frequency division
multiplexing, code division multiplexing.
(2001-06-27)
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Nearby terms:
time complexity « Time Complex Simulator « time division multiple access « time division multiplexing » Time Domain Reflectometer » timeout » time quantum
This article was derived from the Free Online Dictionary of Computers and is available under ther terms of the GNU Free Documentation License.
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