Energy adaptive MAC for wireless sensor networks with RF energy transfer

algorithm, analysis, and implementation

Jaeho Kim, Jang-Won Lee

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Radio frequency energy transfer (RET) has been proposed as a promising solution to power sensor nodes in wireless sensor networks (WSNs). However, RET has a significant drawback to be directly applied to WSNs, i.e., unfairness in the achieved throughput among sensor nodes due to the difference of their energy harvesting rates that strongly depend on the distance between the energy emitting node and the energy harvesting nodes. The unfairness problem should be properly taken into account to mitigate the drawback caused from the features of RET. To resolve this issue, in this paper, we propose a medium access control (MAC) protocol for WSNs based on RET with two distinguishing features: energy adaptive (EA) duty cycle management that adaptively manages the duty cycle of sensor nodes according to their energy harvesting rates and EA contention algorithm that adaptively manages contentions among sensor nodes considering fairness. Through analysis and simulation, we show that our MAC protocol works well under the RET environment. Finally, to show the feasibility of WSNs with RET, we test our MAC protocol with a prototype system in a real environment.

Original languageEnglish
Pages (from-to)293-307
Number of pages15
JournalTelecommunication Systems
Volume64
Issue number2
DOIs
Publication statusPublished - 2017 Feb 1

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Medium access control
Energy transfer
Wireless sensor networks
Sensor nodes
Energy harvesting
Network protocols
Adaptive algorithms
Throughput

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

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Energy adaptive MAC for wireless sensor networks with RF energy transfer : algorithm, analysis, and implementation. / Kim, Jaeho; Lee, Jang-Won.

In: Telecommunication Systems, Vol. 64, No. 2, 01.02.2017, p. 293-307.

Research output: Contribution to journalArticle

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