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Low SNR: When Only Decoding Will Do
MIT.
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre. KTH, School of Electrical Engineering (EES), Communication Theory. Research Lab of Electronics, MIT.ORCID iD: 0000-0002-9709-0713
2014 (English)In: Signal and Information Processing (GlobalSIP), 2014 IEEE Global Conference on, IEEE conference proceedings, 2014, 891-894 p.Conference paper, Published paper (Refereed)
Abstract [en]

We investigate the issue of distributed receiver cooperation in a multiple-relay network with memoryless independent fading channels, where the channel state information can't be obtained. The received signals at distributed receiving nodes are first compressed or quantized before being sent to the decoder via rate-limited cooperation channels for joint processing. We focus on the low SNR regime and analyze the capacity bounds using network equivalence theory and a multiple-layer binning peaky frequency shift keying (FSK). When the received signals at the relaying nodes are in low SNR regime and the cooperation rates are not sufficiently high, compressed/quantized observations at relaying nodes become useless and only decoding can help.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2014. 891-894 p.
Keyword [en]
Low SNR, distributed receivers, network equivalence, peaky FSK, MMSE
National Category
Telecommunications
Research subject
Information and Communication Technology
Identifiers
URN: urn:nbn:se:kth:diva-155887DOI: 10.1109/GlobalSIP.2014.7032248OAI: oai:DiVA.org:kth-155887DiVA: diva2:763208
Conference
IEEE Global Conference on Signal and Information Processing, Atlanta, GA, Dec. 3-5, 2014
Funder
Swedish Research Council
Note

This paper has been accepted for publication in IEEE GlobalSIP, Atlanta, GA, Dec. 2014.

QC20141209

Available from: 2014-11-13 Created: 2014-11-13 Last updated: 2015-02-10Bibliographically approved

Open Access in DiVA

Low SNR(755 kB)44 downloads
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Du, Jinfeng

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • asciidoc
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