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Massive MIMO aided multi-pair relaying with underlaid D2D communications
KTH, School of Electrical Engineering (EES), Automatic Control. Ericsson Research, Sweden.ORCID iD: 0000-0002-2289-3159
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2017 (English)In: European Wireless 2017 - 23rd European Wireless Conference, Institute of Electrical and Electronics Engineers (IEEE), 2017, article id 8011348Conference paper (Refereed)
Abstract [en]

Device-to-device (D2D) communication underlaying a cellular infrastructure is an important technique, e.g. to offload traffic, but has a limit of short range, which can be overcome via relaying. In such context, the coexistence of D2D and multi-pair communications in massive MIMO aided relaying is considered in this paper. The direct D2D transmission reuses the source-torelay spectrum in the first hop, which leads to a rate loss at the destination users, due to the amplify-and-forward relaying. To evaluate this loss, a closed-form deterministic equivalent of the end-to-end (e2e) signal to interference-plus-noise ratio (SINR) is derived. Moreover, in case of failed direct transmissions, D2D receivers can perform the detection in the second hop, based on the signal forwarded by the relay. The associated deterministic D2D SINR equivalent is also derived. The asymptotic analysis indicates that the transmit power of source users can be made inversely proportional to the number of relay antennas, such that non-vanishing e2e rate at the destination users and relay assisted D2D rate exist. Simulations validate the analytical results and the feasibility of supporting underlaid D2D transmissions when deploying multi-pair relaying with massive MIMO.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2017. article id 8011348
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-216324Scopus ID: 2-s2.0-85028334455ISBN: 9783800744268 OAI: oai:DiVA.org:kth-216324DiVA, id: diva2:1153313
Conference
23rd European Wireless Conference, EW 2017, Dresden, Germany, 17 May 2017 through 19 May 2017
Note

QC 20171030

Available from: 2017-10-30 Created: 2017-10-30 Last updated: 2017-10-30Bibliographically approved

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CiteExportLink to record
Permanent link

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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
  • html
  • text
  • asciidoc
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