Journal
IEEE TRANSACTIONS ON AUTOMATIC CONTROL
Volume 60, Issue 8, Pages 2266-2271Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAC.2014.2372932
Keywords
Clock synchronization; multi-agent consensus; sensor networks
Funding
- Ministry of Education, Culture, Sports, Science and Technology of Japan [23760385]
- Aihara Project, the FIRST program from JSPS
- CSTP
- Grants-in-Aid for Scientific Research [23760385] Funding Source: KAKEN
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In wireless sensor networks, a high level of accuracy is required in time synchronization to maintain time consistency of sensed data and to reduce idle listening times. In this technical note, we propose two fully distributed protocols for time synchronization. They are based on algorithms of multi-agent consensus and hence do not require any leader node. Further, they employ an event-based scheme to enhance communication efficiency. We analyze their convergence properties and show that clock synchronization can be achieved with less communication at guaranteed precision.
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