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Weak Typicality

  • Raymond W. Yeung
Chapter
  • 596 Downloads
Part of the Information Technology: Transmission, Processing and Storage book series (PSTE)

Abstract

In the last chapter, we have discussed the significance of entropy in the context of zero-error data compression. In this chapter and the next, we explore entropy in terms of the asymptotic behavior of i.i.d. sequences. Specifically, two versions of the asymptotic equipartition property (AEP), namely the weak AEP and the strong AEP, are discussed. The role of these AEP’s in information theory is analogous to the role of the weak law of large numbers in probability theory. In this chapter, the weak AEP and its relation with the source coding theorem are discussed. All the logarithms are in the base 2 unless otherwise specified.

Keywords

Code Rate Binary Sequence Block Code Block Length Weak Typicality 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 2002

Authors and Affiliations

  • Raymond W. Yeung
    • 1
  1. 1.The Chinese University of Hong KongHong Kong

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