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Successive Interference Cancellation for Throughput Maximization in Wireless Powered Communication Networks
Xi An Jiao Tong University, Peoples R China.
Xi An Jiao Tong University, Peoples R China.
Xi An Jiao Tong University, Peoples R China.
Linköping University, Department of Science and Technology. Linköping University, Faculty of Science & Engineering.
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2016 (English)In: 2016 IEEE 84TH VEHICULAR TECHNOLOGY CONFERENCE (VTC FALL), IEEE , 2016Conference paper, Published paper (Refereed)
Abstract [en]

In wireless powered communication networks (WPCNs), each user node, e.g., wireless powered sensor, is capable of either harvesting energy from a power station or transmitting data to a sink node. In the previous works, time division multiple access (TDMA) is typically used for transmission scheduling in WPCNs, that is, only one node can transmit data in one time slot. The spectrum efficiency is therefore limited by this orthogonality in time-domain scheduling. In this paper, to maximize the throughput in WPCNs, we present a new scheduling approach for energy harvesting and data transmission. Unlike TDMA, we consider that multiple nodes can simultaneously transmit their data in the same time slot, and the signals are separated at the sink node by performing successive interference cancellation (SIC). We formulate the throughput maximization problem as a linear programming problem. For solving the large scale instances, we design an algorithmic framework based on column generation. Numerical results demonstrate that compared to the TDMA based scheduling approach, substantial throughput improvement is achieved by the proposed algorithm.

Place, publisher, year, edition, pages
IEEE , 2016.
Series
IEEE Vehicular Technology Conference Proceedings, ISSN 1550-2252
Keyword [en]
WPCN; energy harvesting; successive interference cancellation; column generation
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:liu:diva-139201ISI: 000402610200398ISBN: 978-1-5090-1701-0 (print)OAI: oai:DiVA.org:liu-139201DiVA: diva2:1120175
Conference
84th IEEE Vehicular Technology Conference (VTC-Fall)
Note

Funding Agencies|project DETERMINE under the Marie Curie IRSES Actions of the European Union Seventh Framework Program (EU-FP7) [318906]; NSFC project [61572394]; EU FP7 Marie Curie project MESH-WISE [324515]; EU FP7 Marie Curie IOF project Career LTE [329313]

Available from: 2017-07-05 Created: 2017-07-05 Last updated: 2017-07-05

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CiteExportLink to record
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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