at different m
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
Section: Chapter Questions
Problem 1PE
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Question
6.3-1. Multiple Access protocols (a). Consider the figure below, which shows the arrival of 6 messages for transmission at different multiple access wireless nodes at times t = 0.3, 1.7, 1.8, 2.5, 4.2, 4.6. Each transmission requires exactly one time unit.
![6.3-1. Multiple Access protocols (a). Consider the figure below, which shows the arrival of 6 messages for transmission at different multiple access wireless nodes at times t=
0.3, 1.7, 1.8, 2.5, 4.2, 4.6. Each transmission requires exactly one time unit.
4
t=0.0
t=1.0
t=2.0
t=3.0
t=4.0
t=5.0
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. [Note: You can find more examples of problems similar to this here.]
O 1
O 2
O 3
O 4
O 5
O 6](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb5ac08f7-42c3-4170-80a5-c0dc5b612826%2F1bf8f778-ff40-4332-84a0-e206b0eb6e33%2Fl2bd5mx_processed.png&w=3840&q=75)
Transcribed Image Text:6.3-1. Multiple Access protocols (a). Consider the figure below, which shows the arrival of 6 messages for transmission at different multiple access wireless nodes at times t=
0.3, 1.7, 1.8, 2.5, 4.2, 4.6. Each transmission requires exactly one time unit.
4
t=0.0
t=1.0
t=2.0
t=3.0
t=4.0
t=5.0
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. [Note: You can find more examples of problems similar to this here.]
O 1
O 2
O 3
O 4
O 5
O 6
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