A delay-tolerant virtual tunnel scheme for asynchronous MAC protocols in WSN

Jae Ho Lee, Jae Wan Kim, Doo-Seop Eom

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Typically, asynchronous MAC protocols are used to monitor a significant facility for rare events or to detect an intrusion in wireless sensor networks. Moreover, asynchronous MAC protocols can achieve high energy efficiency due to the fact that there is no periodic control frame. However, asynchronous MAC protocols have the problem of long end-to-end delay time caused by the absence of precedent time synchronization per link. This paper proposes a new scheme, called virtual tunnel (VT), which can reduce the delivery delay of asynchronous MAC protocols in multi-hop environment. The VT scheme can achieve approximated duty cycle synchronization with on-demand approach. In this scheme, through the estimation of next wakeup time of peer node, without exceptional process, each node on the transmission path can improve end-to-end delay in multi-hop topologies. And it becomes low power consumption by reducing unnecessary retransmissions. Additionally, we devise the protection method of VT. In our simulation results, end-to-end delay according to hop counts and traffic amount is compared with the X-MAC that is an asynchronous protocol recently developed. Furthermore, it is shown that the VT scheme decreases energy consumption due to the lower end-to-end delay than the X-MAC in multi-hop topologies.

Original languageEnglish
Pages (from-to)657-675
Number of pages19
JournalWireless Personal Communications
Volume70
Issue number2
DOIs
Publication statusPublished - 2013 May 1

Fingerprint

Tunnels
Network protocols
Synchronization
Topology
Energy efficiency
Wireless sensor networks
Time delay
Electric power utilization
Energy utilization

Keywords

  • Asynchronous
  • MAC
  • Sensor networks
  • WSN

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Science Applications

Cite this

A delay-tolerant virtual tunnel scheme for asynchronous MAC protocols in WSN. / Lee, Jae Ho; Kim, Jae Wan; Eom, Doo-Seop.

In: Wireless Personal Communications, Vol. 70, No. 2, 01.05.2013, p. 657-675.

Research output: Contribution to journalArticle

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