Closing in on the perfect code

  • Authors:

  • Erico Guizzo

  • Affiliations:

  • -

  • Venue:
  • IEEE Spectrum
  • Year:
  • 2004

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Abstract

This article presents the history and operating principles of the error correcting codes known as turbo codes. Turbo codes use two encoders at the transmitter and two decoders at the receiver. With this divide-and-conquer approach, turbo codes outperform all previous error correcting codes. They have the ability to send error-free data almost at the theoretical limit.