Abstract
Time synchronization in a wireless sensor network is critical for accurate timestamping of events and fine-tuned coordination of wake/sleep duty cycles to reduce power consumption. This paper proposes TSync, a novel lightweight bidirectional time synchronization service for wireless sensor networks. TSync's bidirectional service offers both a push mechanism for accurate and low overhead global time synchronization as well as a pull mechanism for on-demand synchronization by individual sensor nodes. Multi-channel enhancements improve TSync's performance. We deploy a GPS-enabled framework in live sensor networks to evaluate the accuracy and overhead of TSync in comparison with other in-situ time synchronization algorithms.
| Original language | English |
|---|---|
| Pages (from-to) | 125-139 |
| Number of pages | 15 |
| Journal | GetMobile: Mobile Computing and Communications |
| Volume | 8 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 2004 |
| Externally published | Yes |