Reliable and low-latency sensor network MAC system and method using superframe
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United States of America Patent
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May 7, 2013
Grant Date -
Jun 30, 2011
app pub date -
Jun 26, 2008
filing date -
Dec 17, 2007
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Abstract
Provided are a reliability-based, real-time sensor network medium access control (MAC) communication system and method using a superframe. The superframe includes an active duration which is a time duration in which a communication is established, and a sleep duration which is a time duration in which no communication is established. The active duration includes a beacon block in which a plurality of beacon transmission nodes are respectively allocated beacon slots for transmitting a beacon frame, and a forwarding block in which each of sinks nodes is allocated a slot for unifying data regarding the sink node and data regarding sensor nodes managed by the sink node and transmit the result of unifying in order to establish a communication between the sink nodes and between each of the sink nodes and a base station.
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