Question 6760 – Computer-Networks

A pure ALOHA Network transmits 200 bit frames using a shared channel with 200 Kbps bandwidth. If the system (all stations put together) produces 500 frames per second, then the throughput of the system is ______.

Correct Answer: B

Question 685 Explanation:

Step-1: Given data,

pure ALOHA transmits=200 bit frames

Bandwidth=200 Kbps

System produces=500 frames per second

Throughput=?

Step-2: Pure ALOHA formula S= G*e^-2G

Frame transmission time=200/200 kbps=1ms

Here, G=0.5 and S=G*e^-2G

=0.184 (or) 18.4%

System produces Throughput =500*0.184

=92 frames

Note: ‘e’ value should be constant. e=2.71828

0.384

0.184

0.286

0.586

Binu Jose A

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