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Explain hidden terminal problem and how we can avoid the hidden terminal problem.

Explain hidden terminal problem and how we can avoid the hidden terminal problem.

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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**Hidden Terminal Problem**: The hidden terminal problem is a situation in wireless networking where a device that is out of range of other devices communicates with other devices that are within range. This causes communication issues because the devices are unable to sense each other's transmissions, leading to potential collisions. **Solution to Hidden Terminal Problem**: One common solution to address the hidden terminal problem is the use of the RTS/CTS (Request to Send/Clear to Send) mechanism. Here’s how it works: 1. A device that wants to send data (Device A) sends a Request to Send (RTS) message to the receiving device (Device B). 2. Device B, upon receiving the RTS message, responds with a Clear to Send (CTS) message if the communication medium is available. 3. The CTS message is broadcasted, making other devices aware of the forthcoming transmission, effectively reserving the medium and reducing the chance of collision. This method helps in mitigating the hidden terminal problem, thereby improving the efficiency of communication in wireless networks.
Transcribed Image Text:**Hidden Terminal Problem**: The hidden terminal problem is a situation in wireless networking where a device that is out of range of other devices communicates with other devices that are within range. This causes communication issues because the devices are unable to sense each other's transmissions, leading to potential collisions. **Solution to Hidden Terminal Problem**: One common solution to address the hidden terminal problem is the use of the RTS/CTS (Request to Send/Clear to Send) mechanism. Here’s how it works: 1. A device that wants to send data (Device A) sends a Request to Send (RTS) message to the receiving device (Device B). 2. Device B, upon receiving the RTS message, responds with a Clear to Send (CTS) message if the communication medium is available. 3. The CTS message is broadcasted, making other devices aware of the forthcoming transmission, effectively reserving the medium and reducing the chance of collision. This method helps in mitigating the hidden terminal problem, thereby improving the efficiency of communication in wireless networks.
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