Beacon scheduling method in wireless sensor network system

Details Beacon scheduling method in wireless sensor network system Beacon scheduling method in wireless sensor network system

2005-11-14

2009-12-22

Jung, Min (Department: 2416)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S350000

Reexamination Certificate

active

07636341

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.

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Venkatesh, Rajendran, et al.: “Energy-Efficient, Collision-Free Medium Access Control fir Wireless Sensor Networks”, Proceedings of International Conference on Embedded Network Sensor Systems(SenSys), Department of Computer Engineering, University of California, Santa Cruz, Nov. 5-7, 2003, pp. 181-192.

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