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Simple example of one transmission error detection.

Home Page: https://jaissonb.github.io/TransmissionErrorDetection/

HTML 33.10% JavaScript 41.32% CSS 25.58%
error-detection error-detection-correction network redes

transmissionerrordetection's Introduction

TransmissionErrorDetection

Simple example of one transmission error detection using checksum metod.

Checksum

  • Consiste na transmissão de todas as palavras juntamente com o resultado da sua soma binária invertida;
  • No receptor, as palavras são novamente somadas, essa nova soma é somada também com a soma invertida enviada pelo transmissor;
  • Se o resultado tiver qualquer bit diferente de '1' significa que ocorreu erro na transmissão, caso contrário tudo ocorreu corretamente.



Exemplo:
11101010 + 10011100 = 110000110;
soma invertida = 001111001;

Considerando que não ocorra perca na transmissão:
soma = 110000110
soma invertida = 001111001
resultado = 111111111



Institutional:

  • URI Erechim;
  • Ciência da computação, semestre 5;
  • Redes e Telecomunicações;
  • 2022

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