May 2024
Intermediate to advanced
309 pages
13h 33m
English
Content preview from Data Communications and Computer Networks by Pearson
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Multiplexing and Switching 87
any data to send. As a result, the capacity of a channel is wasted. For example, in Figure 5.5, an empty
slot is transmitted in Frame 3 because the corresponding input line has no data to send during that time
period.
Statistical TDM
Statistical TDM, also called asynchronous TDM or intelligent TDM, overcomes the disadvantage of
synchronous TDM by assigning the slots in a frame dynamically to input sources. A slot is assigned to
an input source only when the source has some data to send. Thus, no empty slots are transmitted which
in turn result in an efficient utilization of bandwidth. In statistical TDM, generally ...
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