Mutual information and time-interleaved analog-to-digital conversion

Andrew Singer, Andrew Bean, Jun Won Choi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Analog to digital conversion is often a critical component of a digital communication link. However, the figures of merit that are used in the design of the components that comprise this step are more appropriate for signal reconstruction applications than for digital communication. This paper considers the design of time-interleaved analog-to-digital converters using the mutual information between the transmitted symbols and the outputs of the paths of the converter as a design criteria. Specific attention is paid to the sensitivity of the mutual information through the converter as a function of the relative sampling phases of the time-interleaved samplers. Mutual information is evaluated for a variety of converter strategies, channel conditions, and noise sources. It is shown that for oversampling converters, the optimal sampling phases not in general equispaced, as is conventionally assumed in converter design.

Original languageEnglish (US)
Title of host publication2010 Information Theory and Applications Workshop, ITA 2010 - Conference Proceedings
Pages448-452
Number of pages5
DOIs
StatePublished - 2010
Event2010 Information Theory and Applications Workshop, ITA 2010 - San Diego, CA, United States
Duration: Jan 31 2010Feb 5 2010

Publication series

Name2010 Information Theory and Applications Workshop, ITA 2010 - Conference Proceedings

Other

Other2010 Information Theory and Applications Workshop, ITA 2010
Country/TerritoryUnited States
CitySan Diego, CA
Period1/31/102/5/10

ASJC Scopus subject areas

  • Computer Science Applications
  • Information Systems

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