Sensor node of wireless sensor networks and operating method thereof
AssigneeElectronics and Telecommunications Research Institute
InventorsYoonmee Doh, Yao Zhiying, Noseong Park, Sun-Joong Kim, Cheol Sig Pyo
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Abstract
A sensor node of a wireless sensor network includes a first sensor node module for generating and processing, when it is activated, a first sensing signal to detect occurrence of an event based on the first sensing signal; and a second sensor node module for generating and processing a second sensing signal, when it is activated, to monitor state transition of the event based on the second sensing signal. Further, when the occurrence of the event is detected, the first sensor node module is inactivated and the second sensor node module is activated.
Claims12
A sensor node of a wireless sensor network, comprising:
- a first sensor node module for generating and processing, when it is activated, a first sensing signal to detect occurrence of an event based on the first sensing signal;
- and
- a second sensor node module for generating and processing a second sensing signal, when it is activated, to monitor state transition of the event based on the second sensing signal,
- wherein, when the occurrence of the event is detected, the first sensor node module is inactivated and the second sensor node module is activated.
An operating method of a sensor node of a wireless sensor network, the sensor node operating in a first or a second operation mode, the operating method comprising:
- setting the operation mode of the sensor node to the first operation mode;
- generating and processing, if the sensor node is in the first operation mode, a first sensing signal;
- detecting, if the sensor node is in the first operation mode, occurrence of an event based on the first sensing signal;
- changing, if the occurrence of the event is detected, the operation mode to the second operation mode;
- and
- generating and processing, if the sensor node is in the second operation mode, a second sensing signal;
- and
- monitoring, if the sensor node is in the second operation mode, state transition of the event based on the second sensing signal.
Dependencies are inferred from the claim text.