SWIPT-Enabled relaying in IoT networks operating with finite blocklength codes

Yulin Hu, Yao Zhu, M. Cenk Gursoy, Anke Schmeink

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

This paper considers simultaneous wireless information and power transfer (SWIPT) mechanisms in a relaying-assisted ultra-reliable low latency communication network operating with finite blocklength codes. The reliability of the network is maximized by the optimal selection of SWIPT parameters under both a power splitting (PS) protocol and a time switching (TS) protocol. In addition, we propose a protocol to improve the reliability performance by introducing a tradeoff between the PS and TS protocols. To further improve the reliability, a joint design is provided, which aligns the optimal selection of SWIPT parameters together with a blocklength allocation between two relaying hops. Via simulations, we validate our analytical model and show that the proposed algorithm achieves the same performance as that obtained with exhaustive search. In addition, we evaluate the considered network, and characterize the impact of blocklength, transmit power, and packet size on the reliability of the considered SWIPT-enabled relaying network. Finally, the performance advantages of the proposed protocol (in comparison with the PS and TS protocols) and the proposed joint designs are investigated.

Original languageEnglish (US)
Article number8474311
Pages (from-to)74-88
Number of pages15
JournalIEEE Journal on Selected Areas in Communications
Volume37
Issue number1
DOIs
StatePublished - Jan 2019

Keywords

  • Energy harvesting
  • SWIPT
  • URLLC
  • finite blocklength
  • power splitting
  • relaying
  • time switching

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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