Method for changing update period of location information in M2M system
First Claim
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1. A method of acquiring location information by a common service entity in a machine to machine (M2M) system, the method comprising:
- generating, by the common service entity, location policy resources according to a request of an originator;
making, by the common service entity, a request for location information of a device to a network service entity according to location update period information included in the location policy resources; and
changing, by the common service entity, the location update period information based on at least one piece of the location information received from the network service entity and state information of the device,wherein the location update period information includes list information including a plurality of location update period values; and
wherein the changing includes;
selecting, by the common service entity, a location update period value from the plurality of location update period values, based on at least one piece of the location information received from the network service entity and the state information of the device; and
applying, by the common service entity, the selected location update period value as an update period for the location information request.
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Abstract
The present invention relates to a machine to machine communication (M2M) technique, and to a technique for changing an update period of location information in an M2M system. In particular, the present invention relates to a method and a device for allowing a common service entity to dynamically set an update period of location information in an M2M system.
15 Citations
17 Claims
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1. A method of acquiring location information by a common service entity in a machine to machine (M2M) system, the method comprising:
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generating, by the common service entity, location policy resources according to a request of an originator; making, by the common service entity, a request for location information of a device to a network service entity according to location update period information included in the location policy resources; and changing, by the common service entity, the location update period information based on at least one piece of the location information received from the network service entity and state information of the device, wherein the location update period information includes list information including a plurality of location update period values; and wherein the changing includes; selecting, by the common service entity, a location update period value from the plurality of location update period values, based on at least one piece of the location information received from the network service entity and the state information of the device; and applying, by the common service entity, the selected location update period value as an update period for the location information request. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of providing location information by a network service entity in a machine to machine (M2M) system, the method comprising:
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receiving, by the network service entity, a request for location information of a device from a common service entity based on a period determined according to location update period information; and transferring, by the network service entity, the location information of the device to the common service entity, wherein the location update period information is dynamically changed by the common service entity based on at least one piece of the location information of the device and state information of the device; wherein the location update period information includes list information including a plurality of location update period values; and wherein the dynamically changing of the location update period information includes; selecting, by the common service entity, a location update period value from the plurality of location update period values, based on at least one piece of the location information received from the network service entity and the state information of the device; and applying, by the common service entity, the selected location update period value as an update period for the location information request. - View Dependent Claims (10, 11)
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12. A common service entity for acquiring location information in a machine to machine (M2M) system, the common service entity comprising:
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a controller configured to generate location policy resources according to a request of an originator; and a transmitter configured to make a request for location information of a device to a network service entity according to location update period information included in the location policy resources, wherein the controller changes the location update period information based on at least one piece of the location information received from the network service entity and state information of the device; wherein the location update period information includes list information including a plurality of location update period values; and wherein the changing of the location update period information includes; selecting a location update period value from the plurality of location update period values, based on at least one piece of the location information received from the network service entity and the state information of the device; and applying the selected location update period value as an update period for the location information request. - View Dependent Claims (13, 14, 15, 16, 17)
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Specification