Robust Mobile Multimedia Communications

Abstract

This report describes the final results obtained on this project. We detail the technical contributions made under the support of this grant. The technical contributions are in the two focus areas: (1) Time-varying convolutional codes and their application to turbo codes. (2) Joint-source channel coding for multimedia applications. Results in the area of time-varying convolutional codes are discussed including the discovery of a new time-varying convolutional code that achieves the Heller bound and has free distance greater than the best time-variant convolutional code. The report also investigates the application of time-varying convolutional codes as component codes in turbo codes. The work done in this area resulted in a new time-varying component code that outperforms the celebrated big numerator, little denominator (BNLD) codes of Massey, Takeshita and Costello. Finally, this report contains a thorough simulation comparison of the state of the art of joint-source channel coding schemes for image transmission.

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Document Details

Document Type
Technical Report
Publication Date
Jul 15, 2003
Accession Number
ADA416838

Entities

People

  • Khalid Sayood
  • Lance C. Pérez
  • Michael W. Hoffman

Organizations

  • University of Nebraska–Lincoln

Tags

Communities of Interest

  • Energy and Power Technologies
  • Human Systems

DTIC Thesaurus Topics

  • Algorithms
  • Channel Coding
  • Coders
  • Coding
  • Communication Systems
  • Computer Programming
  • Data Compression
  • Decoding
  • Electrical Engineering
  • Filtration
  • Information Science
  • Information Theory
  • Multimedia
  • Probability
  • Simulations
  • Symbols
  • Two Dimensional

Fields of Study

  • Engineering

Readers

  • Approximation Theory.
  • Computer Programming and Software Development.
  • Distributed Systems and Data Platform Development