May 2024
Intermediate to advanced
309 pages
13h 33m
English
Content preview from Data Communications and Computer Networks by Pearson
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174 Data Communications and Computer Networks
data from R to P does not interfere with CTS from Q
to P. The station T being in the transmission range
of both P and Q hears RTS and CTS both and thus,
remain silent until the transmission is over.
The disadvantage of the MACA protocol is that
collision can still occur in case both Q and R trans-
mit RTS frames to P simultaneously. The RTS from
Q and R may collide at P; because of collision, nei-
ther Q nor R receives the CTS frame. Then both Q
and R wait for a random amount of time using bi-
nary exponential back off algorithm (explained in
Chapter 8) and again retry to transmit.
To overcome ...
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