Method and system for context awareness of a mobile device
DCFirst Claim
1. A mobile device, comprising:
- a plurality of sensors and a plurality of sensor groups, wherein each of the sensor groups is assigned at least one of the sensors, and wherein the sensor groups are arranged according to a hierarchy; and
a plurality of classifiers, wherein each classifier is assigned to a sensor group, and wherein each classifier is configured to evaluate one or more contexts of the mobile device based on signals from one or more sensors assigned to the same sensor group as the classifier;
wherein the mobile device is configured to;
activate a classification by a classifier assigned to a first sensor group to evaluate a first context of the mobile device, wherein the first sensor group is at a lowest level in the hierarchy;
activate a classification by a classifier assigned to a second sensor group to evaluate the first context of the mobile device after a result of the classification by the classifier assigned to the first sensor group; and
adapt a configuration of the classifier assigned to the first sensor group based, at least in part, on a result of the classification by the classifier assigned to the second sensor group.
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Abstract
A method for detecting a context of a mobile device (100) equipped with sensors (111, 121, 122, 131) and a context detection module (109) in which the sensors (111, 121, 122, 131) are assigned to at least two groups (110, 120, 30), each of which comprises at least one sensor (111, 121, 122, 131), and each group (110, 120, 130) is allocated a group classifier (116, 126, 136) 10 adapted to detect, in a form of a classification result, currently identified, by means of a given classifier, context of the device (100) based on indications of the sensors (111, 121, 122, 131) belonging to the given group, characterized in that with a use of the context detection module, whereas the groups (110, 102, 130) of sensors are ordered hierarchically, and the device context is detected 1 by reading a classification result indicated by the classifier (116, 126, 136) of the currently active group, wherein in case of detection of an identified context in the active group, switching on power supply of the sensors and activating classification in a group (110, 120, 130) with a level higher by one level and reading the context indicated by said group'"'"'s classifier, wherein based on the 20 results of the classification indicated by the higher groups'"'"' classifiers (116, 26, 136), executing adaptation of the configuration of lower groups'"'"' classifiers (116, 126, 136).
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Citations
20 Claims
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1. A mobile device, comprising:
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a plurality of sensors and a plurality of sensor groups, wherein each of the sensor groups is assigned at least one of the sensors, and wherein the sensor groups are arranged according to a hierarchy; and a plurality of classifiers, wherein each classifier is assigned to a sensor group, and wherein each classifier is configured to evaluate one or more contexts of the mobile device based on signals from one or more sensors assigned to the same sensor group as the classifier; wherein the mobile device is configured to; activate a classification by a classifier assigned to a first sensor group to evaluate a first context of the mobile device, wherein the first sensor group is at a lowest level in the hierarchy; activate a classification by a classifier assigned to a second sensor group to evaluate the first context of the mobile device after a result of the classification by the classifier assigned to the first sensor group; and adapt a configuration of the classifier assigned to the first sensor group based, at least in part, on a result of the classification by the classifier assigned to the second sensor group. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A mobile device, comprising:
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a plurality of sensors and a plurality of sensor groups, wherein each of the sensor groups is assigned at least one of the sensors, and wherein the sensor groups are arranged according to a hierarchy; and a plurality of classifiers, wherein each classifier is assigned to a sensor group, and wherein each classifier is configured to evaluate one or more contexts of the mobile device based on signals from one or more sensors assigned to the same sensor group as the classifier; wherein the mobile device is configured to; evaluate a first context of the mobile device by activating classification using at least two of the classifiers in sequence according to the hierarchy; and adapt a configuration of a classifier assigned to a lower level sensor group in the hierarchy based, at least in part, on a result of a classification by a classifier assigned to a higher level sensor group in the hierarchy. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification