Opportunistic-Harvesting

RF Wireless Power Transfer Scheme for Multiple Access Relays System

Akashkumar Rajaram, Dushantha Nalin K. Jayakody, Kathiravan Srinivasan, Bin Chen, Vishal Sharma

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Wireless communications have become one of the main stake holders on which our contemporary world relies for carrying out many daily activities. In this era, the number of connected devices is increasing rapidly, contemplating not only smart phone, but also growing connectivity of machines, sensors, and so on. Therefore, it is important to investigate the alternative energy sources for powering these connected small devices. In this paper, we design an RF wireless power transfer scheme for multiple access relay system model with different signal transmission schemes. Here, it is assumed that the sources and relay are self-powered devices and fitted in with rechargeable batteries. Therefore, each node is powered by an RF wireless power transfer that relies on a dedicated energy beam sent from the destination (serves as a power beacon) and other RF transmission links and such approach is referred as opportunistic-harvesting (OH) scheme. An idea of message combining resorting to network coding (NC) and physical layer NC is presented. Performance is demonstrated in terms of error rate and outage probability analyses by using OH. The schemes presented in this paper contribute substantially to sustaining the energy in the proposed scheme.

Original languageEnglish
Article number8000322
Pages (from-to)16084-16099
Number of pages16
JournalIEEE Access
Volume5
DOIs
Publication statusPublished - 2 Aug 2017

Fingerprint

Radio links
Network coding
Secondary batteries
Outages
Communication
Sensors

Keywords

  • cooperative communication
  • energy harvesting
  • network coding
  • relay networks
  • Wireless power transfer

ASJC Scopus subject areas

  • Computer Science(all)
  • Materials Science(all)
  • Engineering(all)

Cite this

Opportunistic-Harvesting : RF Wireless Power Transfer Scheme for Multiple Access Relays System. / Rajaram, Akashkumar; Jayakody, Dushantha Nalin K.; Srinivasan, Kathiravan; Chen, Bin; Sharma, Vishal.

In: IEEE Access, Vol. 5, 8000322, 02.08.2017, p. 16084-16099.

Research output: Contribution to journalArticle

Rajaram, Akashkumar ; Jayakody, Dushantha Nalin K. ; Srinivasan, Kathiravan ; Chen, Bin ; Sharma, Vishal. / Opportunistic-Harvesting : RF Wireless Power Transfer Scheme for Multiple Access Relays System. In: IEEE Access. 2017 ; Vol. 5. pp. 16084-16099.
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