Method for detecting multiple events and sensor network using the same
First Claim
Patent Images
1. A sensor network comprising:
- sensor nodes including multiple sensors for detecting primitive events; and
a coordinator node for determining whether a first primitive event is detected in a current time window,wherein, if the first primitive event is detected in the current time window, determining whether a second primitive event exists in a previous time window, andwherein, if the second primitive event exists in the previous time window, determining whether the first and second primitive events are included in a duration of a complex event, and determining that the complex event has occurred if the first and second primitive events are included in the duration of the complex event.
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Abstract
A method and network for detecting multiple events is provided. The method includes detecting at least one subordinate event constituting a superordinate event, determining whether another subordinate event constituting the superordinate event exists in a time window other than a current time window in which the detected subordinate event is included, and determining that the superordinate event has occurred and reporting the determination, if the subordinate events constituting the superordinate event exist within a duration of the superordinate event.
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Citations
13 Claims
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1. A sensor network comprising:
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sensor nodes including multiple sensors for detecting primitive events; and a coordinator node for determining whether a first primitive event is detected in a current time window, wherein, if the first primitive event is detected in the current time window, determining whether a second primitive event exists in a previous time window, and wherein, if the second primitive event exists in the previous time window, determining whether the first and second primitive events are included in a duration of a complex event, and determining that the complex event has occurred if the first and second primitive events are included in the duration of the complex event. - View Dependent Claims (2, 3, 4, 5)
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6. A method for detecting multiple events, the method comprising the steps of
detecting a first subordinate event constituting a superordinate event in a current time window; -
determining whether a second subordinate event constituting the superordinate event exists in a previous time window; and if the second subordinate even exists in the previous time window, determining whether the first and second subordinate events exist in a duration of the superordinate event; determining that the superordinate event has occurred and reporting the determination, if the first and second subordinate events exist within the duration of the superordinate event. - View Dependent Claims (7, 8, 9)
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10. A method for detecting multiple events, the method comprising the steps of:
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determining whether a first primitive event detected in a sensor node in a bottom layer exists in a current time window; determining whether a subordinate event other than the first primitive event constituting a superordinate event exists in a previous time window; if the subordinate event exists in the previous time window, determining whether the first primitive event and the subordinate event exist in a duration of the superordinate event; and determining that the superordinate event has occurred and reporting the determination, if the first primitive event and the subordinate event exist within the duration of the superordinate event. - View Dependent Claims (11, 12, 13)
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Specification