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Efficient network-coded relaying systems with energy harvesting and transferring
KTH, School of Electrical Engineering (EES). Northwestern Polytechnical University, China.
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2017 (English)In: 2017 IEEE International Conference on Communications, ICC 2017, Institute of Electrical and Electronics Engineers (IEEE), 2017, article id 7997270Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, a multi-user multi-relay network with wireless energy harvesting (EH) and transferring (ET) is studied. In our system, a simultaneous two-level cooperation, i.e., information-level and energy-level cooperation is conducted for uplink data transmissions (from the users to a destination). Specifically, network coding is employed at the relays to facilitate the information-level cooperation; meanwhile, ET is adopted to share the harvested energy among the users for the energy-level cooperation. The energy minimization problem that takes into account the energy causality and outage probability constraints is formulated. However, the optimization problem is non-convex and hard to be solved directly. Alternatively, an approximation technique is adopted to convert it into a convex one. By solving the convex problem, efficient power allocation and ET policies are designed. Numerical results show that the proposed algorithm is able to achieve a near-optimal performance and outperforms the state of arts.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2017. article id 7997270
Series
IEEE International Conference on Communications, ISSN 1550-3607
Keywords [en]
Throughput Maximization, Communication, Channels
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-213944DOI: 10.1109/ICC.2017.7997270ISI: 000424872105144Scopus ID: 2-s2.0-85028338992ISBN: 9781467389990 OAI: oai:DiVA.org:kth-213944DiVA, id: diva2:1139539
Conference
2017 IEEE International Conference on Communications, ICC 2017, Paris, France, 21 May 2017 through 25 May 2017
Note

QC 20170908

Available from: 2017-09-08 Created: 2017-09-08 Last updated: 2018-03-12Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
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
  • rtf