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Collision A B

Collision A B

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Suppose that there are three stations labelled A, B, and C, where A and C are transmitting while B is receiving. The stations are in a configuration such that the two transmitters A and C are not in the radio range of each other. Since station C is out of the radio range of A, it does not know the presence of A.
That’s why C perceives that channel B is free and starts transmitting to B. Also ‘A’ transmit signal at the same time to Channel B. The frames are garbled and a collision occurs. This is shown in the following
figure: 

I. What is the name of this problem?
II. How can we overcome this problem?

4. a ) Suppose that there are three stations labelled A, B, and C, where A and C are transmitting while B is receiving. The stations are in a configuration such that the two transmitters A and C are not in the radio range of each other. Since station C is out of radio range of A, it does not know the presence of A. That's why C perceives that the channel B is free and starts transmitting to B. Also 'A’ transmit signal at the same time to Channel B. The frames are garbled and collision occurs. This is shown in the following figure: [5] Collision A I. What is the name of this problem? II. How can we overcome this problem?
Transcribed Image Text:4. a ) Suppose that there are three stations labelled A, B, and C, where A and C are transmitting while B is receiving. The stations are in a configuration such that the two transmitters A and C are not in the radio range of each other. Since station C is out of radio range of A, it does not know the presence of A. That's why C perceives that the channel B is free and starts transmitting to B. Also 'A’ transmit signal at the same time to Channel B. The frames are garbled and collision occurs. This is shown in the following figure: [5] Collision A I. What is the name of this problem? II. How can we overcome this problem?
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