Information and energy flows in graphical networks with energy transfer and reuse

Ali Mohammad Fouladgar, Osvaldo Simeone

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

The conventional analysis of communication over graphical networks assumes that the energy received by a node on its incoming links cannot be reused by the latter for transmission on its outgoing links. Motivated by the emerging applications of wireless energy transfer to communication networks, a framework is studied in which the received energy can be (partially) reused. The framework leads to optimization problems over both standard information flow variables and energy flow variables that generalize the conventional formulation in terms of information flow variables only. Both unicast and multicast models are studied, and numerical results are presented that bring insight into the roles of the energy flow variables and of network coding in the presence of energy reuse.

Original languageEnglish (US)
Article number6512098
Pages (from-to)371-374
Number of pages4
JournalIEEE Wireless Communications Letters
Volume2
Issue number4
DOIs
StatePublished - 2013

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Keywords

  • Information and energy transfer
  • energy harvesting
  • graphical networks
  • network coding
  • routing

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