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D. Reis, A., F. Rocha, J., S. Gameiro, A., & P. Carvalho, J. (2020). Coder and Decoder of Block 3B4B with Auxiliary Channel. KnE Engineering, 5(6), 645–654. https://doi.org/10.18502/keg.v5i6.7086

https://doi.org/10.18502/keg.v5i6.7086

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authors

  • António D. Reis

    António D. Reis

    University of Beira Interior
  • José F. Rocha

    José F. Rocha

    University of Aveiro
  • Atílio S. Gameiro

    Atílio S. Gameiro

    University of Aveiro
  • Jose P. Carvalho

    Jose P. Carvalho

    University of Beira Interior

Published Date

  • Jun 2, 2020

Coder and Decoder of Block 3B4B with Auxiliary Channel

KnE Engineering / International Congress on Engineering — Engineering for Evolution / Pages 645–654

Abstract

This work presents the coder and decoder of block 3B4B with auxiliary channel. The coder 3B4B converts an input 3 bits word in an output 4 bits word. It transmits an equal number of 1’s and 0’s to provide a DC constant component. It increases the transitions number, improves the system quality and security. The objective is also to improve the system potentialities with an auxiliary channel to monitor the communication (alarm). The main channel is real, but the auxiliary channel is fictitious.


Keywords: Block codes, Digital systems, Transmission lines

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