Monday, December 23, 2013

Implementation of Hamming code

Objectives :

  • The  main objective is, detection of single bit error, burst error and to correct by using the suitable  methodology(by hamming distance concept).
  • The purpose of this project is to overcome unreliable transmission of data during the transmission from encoder to decoder.
  • It involves block coding, finding the hamming distance between to existing code words, redundancy, error correction, parity check code.
Description :
The theory of error detecting and correcting codes is that branch of engineering and mathematics which deals with the reliable transmission and storage of data. Information media are not 100% reliable in practice, in the sense that noise (any form of interference) frequently causes data to be distorted. To deal with this undesirable but inevitable situation, self correcting codes are constructed by combining data bits with a number of redundant check-bits, which together are referred to as codewords.  By adding a single bit (as in Parity Checking) along with a given number of data-bits, half of the possible codewords become valid and half invalid.
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