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학술대회 Performance Evaluation of IEEE 802.15.4e DSME MAC Protocol for Wireless Sensor Networks
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저자
정운철, 이준희
발행일
201206
출처
Workshop on Enabling Technologies for Smartphone and Internet of Things (ETSIoT) 2012, pp.7-12
DOI
https://dx.doi.org/10.1109/ETSIoT.2012.6311258
협약과제
12IC1300, 초절전 센서네트워크 핵심기술개발, 표철식
초록
In this paper, we evaluate performance of time synchronized multi-channel MAC protocol called DSME for wireless sensor networks. DSME MAC enhances IEEE 802.15.4 MAC specification, which provides backward compatibility and adds new features such as multichannel extension to the current single channel based superframe structure; enhancing peer-to-peer communications. Our numerical results show that throughput of DSME MAC protocol is 12 times higher against IEEE802.15.4-2006 slotted CSMA/CA in a multi-hop network with a 5x5 square grid device deployment. Energy consumption of DSME MAC protocol remains constant as the number of endpoint devices increases, while that of slotted CSMA/CA increases exponentially in star device deployment, thus, life span of a device can be increased substantially by employing DSME MAC protocol for the applications with large number of endpoint devices such as smart metering and infrastructure monitoring. © 2012 IEEE.
키워드
DSME, IEEE 802.15.4e, MAC, slotted CSMA/CA
KSP 제안 키워드
Backward compatibility, IEEE 802.15.4 MAC, IEEE 802.15.4e DSME MAC, Multi-channel MAC protocol, Numerical results, Peer-to-Peer(P2P), Performance evaluation, Single Channel, Smart Metering, Square grid, Wireless sensor networks(WSNs)