Beacon scheduling method in wireless sensor network system
Patent 7636341 Issued on December 22, 2009. Estimated Expiration Date: 
November 14, 2025. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 14, 2025. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesRadio communications systems and methods for jittered beacon transmission Patent #: 5940765 AbstractA 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.Other References
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