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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

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Published on: March 20, 2017

Staged demodulation and decoding.

Luca Barletta1, Maurizio Magarini, Arnaldo Spalvieri

  • 1Dipartimento di Elettronica e Informazione, Politecnico di Milano, Piazza L. da Vinci 32, 20133 Milano, Italy.

Optics Express
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PubMed
Summary
This summary is machine-generated.

This paper introduces a coding principle for phase noise channels with memory. Interleaving codes improves decoding by using past decisions for future error correction.

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Area of Science:

  • Information Theory
  • Digital Communications
  • Signal Processing

Background:

  • Phase noise channels introduce memory, complicating reliable data transmission.
  • Existing coding techniques may not fully address the challenges posed by channel memory.

Purpose of the Study:

  • To investigate coding strategies for phase noise channels.
  • To propose and evaluate a novel coding principle for channels with memory.

Main Methods:

  • Consideration of Wiener's phase noise model.
  • Application of code interleaving as a general principle for channels with memory.
  • Sequential decoding of interleaved codes, leveraging past decisions.
  • Computer simulations for numerical result generation.
  • Analysis of channel capacity under the proposed method.

Main Results:

  • Demonstration of the benefits of the proposed interleaving-based coding method.
  • Numerical results confirm the effectiveness of the approach through computer simulations.
  • Channel capacity analysis provides theoretical insights into the method's performance.

Conclusions:

  • The proposed coding principle offers an effective solution for phase noise channels.
  • Interleaving codes enhances decoding performance in memory-impaired channels.
  • The method provides a foundation for improved data transmission reliability.