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Logarithmic bit-significance ratio: Definition, calculation rules and examples

In English

Författare

Summary, in English

We motivate and discuss the Logarithmic Bit-

Significance Ratio (S-value) which is a universal measure to quantify the significance of each bit in a digital communication system. Calculation rules for the S-values are given which, for instance, allow for the computation of the significances of parity bits when the significances of the data bits are given. The introduction of the S-value allows for the processing of soft information, e.g., in encoding and modulation and can, hence, be interpreted as the transmitter-based counterpart of the well established log-likelihood ratio (L-value) at the receiving end.

Publiceringsår

2006

Språk

Engelska

Sidor

2869-2873

Publikation/Tidskrift/Serie

Proc., 2006 IEEE Inter. Symp. Information Theory, Seattle

Dokumenttyp

Konferensbidrag

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Nyckelord

  • Joint source-channel coding
  • digitizing of signals
  • soft information
  • bit significance

Conference name

IEEE International Symposium on Information Theory, 2006

Conference date

2006-07-09 - 2006-07-14

Conference place

Seattle, WA, United States

Status

Published

Projekt

  • EIT_HSWC:Coding Coding, modulation, security and their implementation

Forskningsgrupp

  • Informations- och kommunikationsteori

ISBN/ISSN/Övrigt

  • ISBN: 1-4244-0504-1