Beacon scheduling method in wireless sensor network system
US7636341B2 · kind B2 · utility
2Cited by
1References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 14, 2005 |
| Grant date | Dec 22, 2009 |
| Priority date | — |
| Expiry date | Nov 15, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/70
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A beacon scheduling method is provided which can efficiently avoid beacon collisions and prevent power consumption of the router due to the unnecessary beacon transmissions. The beacon scheduling method of a router in a network system including at least one coordinator which sends beacons in a cycle and at least one router, includes sending a message to the router; receiving a reply message from the router; and determining a beacon transmission time of the router to an inactive period when the inactive period is secured in a beacon cycle of the coordinator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.