Relay selection schemes for store-carry and forward relaying based on optimal stopping theory

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

New challenges have been brought by applications with high device density, such as the large number of supportable devices and long device battery lives. The store-carry and forward scheme can be used to address these issues, but its performance relies on the schemes of relay selection or routing. Existing methods using utility metric are able to mitigate this problem to some extent, but still suffer from incomplete information as the device density increases. By formulating the relay selection problem into two optimal stopping problems from energy efficiency and time efficiency, respectively, the energy-optimal forwarding and time-energy forwarding are proposed, which allow each source device to select the best relay based on the information it can acquire. Simulation results show that the proposed schemes can provide better performance in terms of the energy consumption and transmission delay compared to both random transmission and epidemic routing.

Original languageEnglish
Title of host publication2017 17th IEEE International Conference on Communication Technology, ICCT 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages788-792
Number of pages5
ISBN (Electronic)9781509039432
DOIs
Publication statusPublished - 2 Jul 2017
Event17th IEEE International Conference on Communication Technology, ICCT 2017 - Chengdu, China
Duration: 27 Oct 201730 Oct 2017

Publication series

NameInternational Conference on Communication Technology Proceedings, ICCT
Volume2017-October

Conference

Conference17th IEEE International Conference on Communication Technology, ICCT 2017
Country/TerritoryChina
CityChengdu
Period27/10/1730/10/17

Keywords

  • Energy efficiency
  • Optimal stopping
  • Relay selection
  • Time efficiency

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