HE-MAC: Harvest-Then-Transmit Based Modified EDCF MAC Protocol for Wireless Powered Sensor Networks

Taeyoung Ha, Junsung Kim, Jong-Moon Chung

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Energy transfer (ET) and energy harvesting (EH) through radio frequency (RF) signals are a promising technology that can reduce the dependency on batteries in wireless sensor networks. However, there is a tradeoff between the RF-based ET and data communication when they operate in the same frequency band. Therefore, a proper medium access control (MAC) protocol is needed in wireless powered sensor networks (WPSNs). However, a utilization degradation problem occurs when the distributed coordination function (DCF) MAC protocol of the IEEE 802.11 is applied to WPSNs. In order to overcome this problem, this paper extends the IEEE 802.11e enhanced DCF (EDCF) into a harvest-then-transmit-based modified EDCF MAC (HE-MAC) protocol. In addition, the HE-MAC's Markov chain model and steady-state probabilities are derived and used in the performance analysis. Next, based on the steady-state conditions, optimization is conducted to maximize the EH rate, which satisfies the frame generation rate and transfers additional energy to achieve a self-sustained energy consumption profile. Finally, the simulation performance of EH protocols HE-MAC, RF-MAC, and DOS are compared, where the results show that HE-MAC provides in a superior performance for the range of interest.

Original languageEnglish
Article number8053913
Pages (from-to)3-16
Number of pages14
JournalIEEE Transactions on Wireless Communications
Volume17
Issue number1
DOIs
Publication statusPublished - 2018 Jan 1

Fingerprint

Medium Access Control
Medium access control
Sensor networks
Wireless Sensor Networks
Network protocols
Energy Harvesting
Energy harvesting
Energy Transfer
Energy transfer
IEEE 802.11e
DOS
Markov Chain Model
IEEE 802.11
Data Communication
Battery
Markov processes
Frequency bands
Performance Analysis
Energy Consumption
Wireless sensor networks

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

Cite this

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HE-MAC : Harvest-Then-Transmit Based Modified EDCF MAC Protocol for Wireless Powered Sensor Networks. / Ha, Taeyoung; Kim, Junsung; Chung, Jong-Moon.

In: IEEE Transactions on Wireless Communications, Vol. 17, No. 1, 8053913, 01.01.2018, p. 3-16.

Research output: Contribution to journalArticle

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