Capacity of very noisy communication channels based on Fisher information.
Identifieur interne : 002229 ( PubMed/Checkpoint ); précédent : 002228; suivant : 002230Capacity of very noisy communication channels based on Fisher information.
Auteurs : Fabing Duan [République populaire de Chine] ; François Chapeau-Blondeau [France] ; Derek Abbott [Australie]Source :
- Scientific reports [ 2045-2322 ] ; 2016.
Abstract
We generalize the asymptotic capacity expression for very noisy communication channels to now include coloured noise. For the practical scenario of a non-optimal receiver, we consider the common case of a correlation receiver. Due to the central limit theorem and the cumulative characteristic of a correlation receiver, we model this channel noise as additive Gaussian noise. Then, the channel capacity proves to be directly related to the Fisher information of the noise distribution and the weak signal energy. The conditions for occurrence of a noise-enhanced capacity effect are discussed, and the capacity difference between this noisy communication channel and other nonlinear channels is clarified.
DOI: 10.1038/srep27946
PubMed: 27306041
Affiliations:
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For the practical scenario of a non-optimal receiver, we consider the common case of a correlation receiver. Due to the central limit theorem and the cumulative characteristic of a correlation receiver, we model this channel noise as additive Gaussian noise. Then, the channel capacity proves to be directly related to the Fisher information of the noise distribution and the weak signal energy. The conditions for occurrence of a noise-enhanced capacity effect are discussed, and the capacity difference between this noisy communication channel and other nonlinear channels is clarified.</div></front></TEI><pubmed><MedlineCitation Status="In-Data-Review" Owner="NLM"><PMID Version="1">27306041</PMID><DateCreated><Year>2016</Year><Month>06</Month><Day>16</Day></DateCreated><DateRevised><Year>2017</Year><Month>02</Month><Day>20</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">2045-2322</ISSN><JournalIssue CitedMedium="Internet"><Volume>6</Volume><PubDate><Year>2016</Year><Month>Jun</Month><Day>16</Day></PubDate></JournalIssue><Title>Scientific reports</Title><ISOAbbreviation>Sci Rep</ISOAbbreviation></Journal><ArticleTitle>Capacity of very noisy communication channels based on Fisher information.</ArticleTitle><Pagination><MedlinePgn>27946</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1038/srep27946</ELocationID><Abstract><AbstractText>We generalize the asymptotic capacity expression for very noisy communication channels to now include coloured noise. For the practical scenario of a non-optimal receiver, we consider the common case of a correlation receiver. Due to the central limit theorem and the cumulative characteristic of a correlation receiver, we model this channel noise as additive Gaussian noise. Then, the channel capacity proves to be directly related to the Fisher information of the noise distribution and the weak signal energy. The conditions for occurrence of a noise-enhanced capacity effect are discussed, and the capacity difference between this noisy communication channel and other nonlinear channels is clarified.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Duan</LastName><ForeName>Fabing</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>Institute of Complexity Science, Qingdao University, 266071 Qingdao, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Chapeau-Blondeau</LastName><ForeName>François</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>Laboratoire Angevin de Recherche en Ingénierie des Systèmes (LARIS), Université d'Angers, 49000 Angers, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Abbott</LastName><ForeName>Derek</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Centre for Biomedical Engineering (CBME) and School of Electrical &Electronic Engineering, The 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