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IEICE TRANSACTIONS on Fundamentals

Second-Order Intrinsic Randomness for Correlated Non-Mixed and Mixed Sources

Tomohiko UYEMATSU, Tetsunao MATSUTA

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Summary :

We consider the intrinsic randomness problem for correlated sources. Specifically, there are three correlated sources, and we want to extract two mutually independent random numbers by using two separate mappings, where each mapping converts one of the output sequences from two correlated sources into a random number. In addition, we assume that the obtained pair of random numbers is also independent of the output sequence from the third source. We first show the δ-achievable rate region where a rate pair of two mappings must satisfy in order to obtain the approximation error within δ ∈ [0,1), and the second-order achievable rate region for correlated general sources. Then, we apply our results to non-mixed and mixed independently and identically distributed (i.i.d.) correlated sources, and reveal that the second-order achievable rate region for these sources can be represented in terms of the sum of normal distributions.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E100-A No.12 pp.2615-2628
Publication Date
2017/12/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E100.A.2615
Type of Manuscript
Special Section PAPER (Special Section on Information Theory and Its Applications)
Category
Shannon Theory

Authors

Tomohiko UYEMATSU
  Tokyo Institute of Technology
Tetsunao MATSUTA
  Tokyo Institute of Technology

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