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Optimal power allocation and relay placement for wireless information and RF power transfer
Department of Electrical Engineering, Indian Institute of Technology Delhi, New Delhi, India.ORCID iD: 0000-0002-3225-6495
Department of Electrical Engineering, Indian Institute of Technology Delhi, New Delhi, India.
2016 (English)In: IEEE International Conference on Communications (ICC) Date of Conference, Institute of Electrical and Electronics Engineers (IEEE), 2016, p. 1-6Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, we develop an optimization framework to jointly optimize the efficiency of wireless information and RF power transfer to the destination of a two hop decode- and-forward source-relay-destination network. In particular, we investigate the performance of three optimization schemes: (i) optimal power allocation (PA) with fixed relay placement (RP), (ii) optimal RP with fixed PA, and (iii) joint optimization of PA and RP, for minimizing the outage probability under the harvested power constraint at the destination. In absence of direct source to destination reachability, closed-form global-optimal solutions are obtained for all three optimization schemes. Numerical results show that the optimized schemes significantly outperform fixed allocation and the joint optimal PA and RP provides an outage improvement of about 35%. Also, a tradeoff exists between minimized outage probability and minimum required average harvested power at destination for its uninterrupted operation.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2016. p. 1-6
Series
IEEE International Conference on Communications (ICC), E-ISSN 1938-1883 ; 2016
Keywords [en]
Cellular radio systems; Communication channels (information theory); Mobile telecommunication systems, Decode - and - forwards; Destination network; Global optimal solutions; Joint optimization; Optimal power allocation; Optimization framework; Optimization scheme; Uninterrupted operations, Outages
National Category
Communication Systems Signal Processing Computer and Information Sciences
Identifiers
URN: urn:nbn:se:liu:diva-155754DOI: 10.1109/ICC.2016.7511117OAI: oai:DiVA.org:liu-155754DiVA, id: diva2:1299077
Conference
IEEE International Conference on Communications (ICC) Date of Conference, 22-27 May, Kuala Lumpur, Malaysia
Available from: 2019-03-26 Created: 2019-03-26 Last updated: 2019-03-26Bibliographically approved

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Mishra, Deepak

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CiteExportLink to record
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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