Understanding Pure Aloha Data Transmission
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Questions and Answers

What is the main characteristic of Pure Aloha?

The main characteristic of Pure Aloha is that stations can transmit data at any time whenever they want.

What are the two possible cases after transmitting a data packet in Pure Aloha?

The two possible cases are: 1) Transmitting station receives an acknowledgement from the receiving station, indicating a successful transmission. 2) Transmitting station does not receive any acknowledgement within a specified time, indicating an unsuccessful transmission.

What does the transmitting station do if it does not receive an acknowledgement within a specified time?

If the transmitting station does not receive an acknowledgement within a specified time, it uses a Back Off Strategy and waits for some random amount of time before retransmitting the data packet.

How does Pure Aloha determine the efficiency of the system?

<p>The efficiency of Pure Aloha is determined by the formula η = G x e^(-2G), where G represents the number of stations willing to transmit data.</p> Signup and view all the answers

What is the maximum efficiency of Pure Aloha?

<p>For maximum efficiency, the derivative of η with respect to G should be equal to 0.</p> Signup and view all the answers

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