6.3B-1. Multiple Access protocols (1). Consider the figure below, which shows the arrival of 6 messages for transmission at different multiple access wireless nodes at times t=0.1, 0.8, 1.35, 2.6, 3.9, 4.2. Each transmission requires exactly one time unit. 1 t=0.0 0 1 O 3 + 2 3 6 t=1.0 t=2.0 4 For the pure ALOHA protocol, indicate which packets are successfully transmitted. You can assume that if a packet experiences a collision, a node will not attempt a retransmission of that packet until sometime after t=5. t-3.0 5 6 t=4.0 t=5.0

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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6.3B-1. Multiple Access protocols (1). Consider the figure below, which shows the arrival of 6
messages for transmission at different multiple access wireless nodes at times t=0.1, 0.8, 1.35, 2.6,
3.9, 4.2. Each transmission requires exactly one time unit.
1
t=0.0
0 1
3
O
A
50
2 3
6
t=1.0
t=2.0
4
For the pure ALOHA protocol, indicate which packets are successfully transmitted. You can assume
that if a packet experiences a collision, a node will not attempt a retransmission of that packet until
sometime after t=5.
t-3.0
5 6
t=4.0
t=5.0
Transcribed Image Text:6.3B-1. Multiple Access protocols (1). Consider the figure below, which shows the arrival of 6 messages for transmission at different multiple access wireless nodes at times t=0.1, 0.8, 1.35, 2.6, 3.9, 4.2. Each transmission requires exactly one time unit. 1 t=0.0 0 1 3 O A 50 2 3 6 t=1.0 t=2.0 4 For the pure ALOHA protocol, indicate which packets are successfully transmitted. You can assume that if a packet experiences a collision, a node will not attempt a retransmission of that packet until sometime after t=5. t-3.0 5 6 t=4.0 t=5.0
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