Time Synchronization in Hierarchical TESLA Wireless Sensor Networks
Conference
·
OSTI ID:966179
Time synchronization and event time correlation are important in wireless sensor networks. In particular, time is used to create a sequence events or time line to answer questions of cause and effect. Time is also used as a basis for determining the freshness of received packets and the validity of cryptographic certificates. This paper presents secure method of time synchronization and event time correlation for TESLA-based hierarchical wireless sensor networks. The method demonstrates that events in a TESLA network can be accurately timestamped by adding only a few pieces of data to the existing protocol.
- Research Organization:
- Idaho National Lab. (INL), Idaho Falls, ID (United States)
- Sponsoring Organization:
- OTHER
- DOE Contract Number:
- DE-AC07-99ID-13727
- OSTI ID:
- 966179
- Report Number(s):
- INL/CON-09-15940; TRN: US200921%%487
- Resource Relation:
- Conference: International Symposium on Resilient Control Systems,Idaho Falls, ID, USA,08/11/2009,08/13/2009
- Country of Publication:
- United States
- Language:
- English
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