AUTONOMOUS MANAGEMENT METHOD FOR PROCESSING UNEXPECTING EVENTS USING INTERACTION BETWEEN NODES IN SENSOR NETWORKS
First Claim
1. A method for managing an event detected by a sensor node in a sensor network consisting of sensor nodes, the method comprising the steps of:
- (a) detecting an event occurring in a location where the sensor node is installed;
(b) searching whether or not the detected event is registered in the sensor node and a management policy for the detected event exists in the sensor node;
(c) transmitting, if the policy for the detected event does not exist in the sensor node as a search result, a query message including query information on the policy for the detected event to peripheral sensor nodes or peripheral sensor networks(d) generating a new policy for the detected event based on a response message including information on the policy for the detected event, the response message being received from the peripheral sensor nodes or the peripheral sensor networks and responding to the query message and(e) managing the detected event depending on the generated new policy.
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Accused Products
Abstract
The present invention relates to a sensor network, and more particularly, to a device and method for managing sensor nodes, in which with respect to predictable events and unpredictable events detected by sensors, the predictable events can be managed as existing policies and the unpredictable events can be managed by receiving policies for the unpredictable events from peripheral sensor nodes or peripheral sensor networks, i.e., both predicted events and unpredicted events can be intelligently managed. According to the method device for managing events detected by sensor nodes according to the present invention the present invention, in the case where unpredictable events are detected, policies for the detected unpredictable events received automatically from peripheral sensor nodes or peripheral sensor networks, so that both predictable and unpredictable events can be managed. Each time unpredictable events are detected, new policies for the detected unpredictable events are automatically generated, so that a manager does not need to update the policies for the unpredictable events every time. In addition, since both predictable and unpredictable events can be managed, the event management method of the present invention can be widely used in a variety of application fields requiring stability and accuracy.
31 Citations
10 Claims
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1. A method for managing an event detected by a sensor node in a sensor network consisting of sensor nodes, the method comprising the steps of:
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(a) detecting an event occurring in a location where the sensor node is installed; (b) searching whether or not the detected event is registered in the sensor node and a management policy for the detected event exists in the sensor node; (c) transmitting, if the policy for the detected event does not exist in the sensor node as a search result, a query message including query information on the policy for the detected event to peripheral sensor nodes or peripheral sensor networks (d) generating a new policy for the detected event based on a response message including information on the policy for the detected event, the response message being received from the peripheral sensor nodes or the peripheral sensor networks and responding to the query message and (e) managing the detected event depending on the generated new policy. - View Dependent Claims (2, 3, 4, 5)
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6. A device for managing an event detected by a sensor node in a network in which a plurality of sensornetworks are connected to one another through the Internet, the device being installed in the sensor nodes constituting each of the sensor networks, the device comprising:
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an event sensing unit for detecting an event occurring in a location where the sensor node is installed; a policy decision unit for searching whether or not the detected event and a policy for the detected event exist in the sensor node, and deciding the policy for the detected event depending on a result of the search; an event query unit for generating, if the policy for the detected event does not exist in the sensor node as the search result, a query message for querying the policy for the detected event, transmitting the generated query message to peripheral sensor nodes or peripheral sensor networks, and receiving a response message including information on the policy for the detected event from the peripheral sensor nodes or the peripheral sensor networks and responding to the query message; and a policy generating unit for generating a new policy for the detected event based on the policy information for the detected event included in the response message. - View Dependent Claims (7, 8, 9)
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10. A device for managing an event detected by a sensor node in a network in which a plurality of sensornetworks are connected to one another through the Internet, the device being installed in the sensor nodes constituting each of the sensor networks, the device comprising:
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a policy decision unit for searching whether or not a policy for an event detected in a location where the sensor node is installed exist in the sensor node, and deciding the policy for the detected event depending on a result of the search; a predictable event management unit for managing, if the policy for the detected event exists in the sensor node, the detected event depending on the existing a policy; and a new event management unit for receiving, if the policy for the detected event does not exist in the sensor node, the policy for the detected event from the peripheral sensor nodes or the peripheral sensor networks, and managing the detected event based on the received policy.
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Specification