Sc Business Data Communications and Networking, Thirteenth Edition Student Choice Print on Demand
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Chapter 4, Problem 18Q
Program Plan Intro

Forward error correction (FEC):

  • Forward error correction uses codes having enough redundancy to avoid errors by detecting and correcting them at the receiving end without retransmission of the original message.
  • In FEC method, the sender sends the data frame with a redundant error-correcting code. The receiver checks the data based on the redundant bits, if it notices that the data is error free, then it executes the redundant error-correcting code to generate the original frame.
  • After removing the redundant bits, the message sends it to the next section.

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