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Spectral Efficiency of Multipair Massive MIMO Two-Way Relaying With Hardware Impairments
Beijing Jiaotong Univ, Peoples R China.
Beijing Jiaotong Univ, Peoples R China.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering.
Beijing Jiaotong Univ, Peoples R China.
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2018 (English)In: IEEE Wireless Communications Letters, ISSN 2162-2337, E-ISSN 2162-2345, Vol. 7, no 1, p. 14-17Article in journal (Refereed) Published
Abstract [en]

We consider a multipair massive multiple-input multiple-output (MIMO) two-way relaying system, where multiple pairs of single-antenna devices exchange data with the help of a relay employing a large number of antennas N. The relay consists of low-cost components that suffer from hardware impairments. A large-scale approximation of the spectral efficiency with maximum ratio processing is derived in closed form, and the approximation is tight as N -amp;gt; infinity. It is revealed that for a fixed hardware quality, the impact of the hardware impairments vanishes asymptotically when N grows large. Moreover, the impact of the impairments may even vanish when the hardware quality is gradually decreased with N, if a scaling law is satisfied. Finally, numerical results validate that multipair massive MIMO two-way relaying systems are robust to hardware impairments at the relay.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC , 2018. Vol. 7, no 1, p. 14-17
Keywords [en]
Spectral efficiency; massive MIMO; two-way relaying; hardware impairments
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:liu:diva-145784DOI: 10.1109/LWC.2017.2750162ISI: 000425620400004OAI: oai:DiVA.org:liu-145784DiVA, id: diva2:1192409
Note

Funding Agencies|National Natural Science Foundation of China [61601020]; Fundamental Research Funds for the Central Universities [2016RC013, 2016JBZ003]; ELLIIT; CENIIT; National Science Foundation for Distinguished Young Scholars of China [61625106]

Available from: 2018-03-22 Created: 2018-03-22 Last updated: 2018-03-22

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • 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
  • rtf