Aug2016 cs Q28

0. A slotted ALOHA network transmits 200 bits frames using a shared channel with 200 kbps bandwidth. If the system (all stations put together) produces 1000 frames per second, then the throughput of the system is _______.

Answer
Comment
Array

Option : C
Explanation :
For pure aloha Throughput(S) = Ge^-2G.
For Slotted aloha Throughput(S) = Ge^-G.
(it is maximum at G = 1). i.e. S = 1 * e^-1.
S = 1 / e.
S = 1 / 2.71
S = 0.368.
So, option (C) is correct.

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