May 2024
Intermediate to advanced
309 pages
13h 33m
English
Content preview from Data Communications and Computer Networks by Pearson
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Media Access Control 147
Slotted ALOHA
Slotted ALOHA is a modification of ALOHA that has been developed to improve the efficienc . This is
a discrete time system in which time is partitioned into intervals or slots with each slot corresponding
to a frame. Slotted ALOHA demands for the stations to agree on the boundaries of slots and a clock are
needed to synchronize the stations. In this method, a station can begin the transmission of a frame only
at the beginning of a slot. If a station is unable to start the transmission at the beginning of a slot, then it
has to wait until the next slot, thereby reducing the chances of collisions. However ...
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