DCM: A duty cycle based multi-channel MAC protocol for wireless sensor networks

Jinbao Li, Desheng Zhang, Longjiang Guo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

Abstract

Limitations of current multi-channel MAC protocols include requiring of strict time synchronization, existing large number of multi-channel hidden terminals, and lacking single-hop broadcast support and sleep mechanism, i.e. duty cycling. This paper proposes an asynchronous duty cycle based multichannel MAC protocol, called DCM, for wireless sensor networks. Instead of requiring time synchronization among nodes, DCM takes advantage of receiver-initiated cross channel handshake mechanism to make a channel reservation for data transmission, and employs receiver adjustment mechanism to tackle the problem of the loss of broadcasting data and to improve broadcast reliability. According to theoretical analysis using Queueing theory, this paper obtains the average number of available channels. The simulation and testbed experimental results show that DCM reduces the number of multi-channel hidden terminals effectively, and achieves significant improvement in network throughput with increasing benefit as traffic loads increase while maintaining higher energy efficiency.

Original languageEnglish (US)
Title of host publicationIET International Conference on Wireless Sensor Network 2010, IET-WSN 2010
Pages233-238
Number of pages6
Edition575 CP
DOIs
StatePublished - 2010
Externally publishedYes
EventIET International Conference on Wireless Sensor Network 2010, IET-WSN 2010 - Beijing, China
Duration: Nov 15 2010Nov 17 2010

Publication series

NameIET Conference Publications
Number575 CP
Volume2010

Other

OtherIET International Conference on Wireless Sensor Network 2010, IET-WSN 2010
Country/TerritoryChina
CityBeijing
Period11/15/1011/17/10

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Keywords

  • Hidden terminals
  • Mac protocol
  • Wsn

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