Providing location data about a mobile entity
First Claim
Patent Images
1. A method of providing location data about a mobile entity, wherein:
- the mobile entity provides a data package that comprises quality of service data (QoS data) indicating a desired accuracy limit of location data about the mobile entity, the data package being digitally signed by the mobile entity, the digitally-signed data package is passed, either directly or indirectly from the mobile entity, to a location handling system, and the location handling system after checking, on the basis of the digital signing of the data package, that the data package has been provided by the mobile entity, provides location data about the mobile entity limited to an accuracy no greater than that indicated by the QoS data.
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Abstract
A mobile entity (20) provides accuracy limit data (Q) that indicates a desired accuracy of location data (L) about the mobile entity. This data (Q) is passed, either directly or indirectly from the mobile entity (20), to a location handling system (80) which provides location data (L) about the corresponding mobile entity limited to the desired accuracy. In one embodiment, the location handling system is a location server. In another embodiment the location handling system is a decryption entity (80) for decrypting encrypted location data.
191 Citations
21 Claims
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1. A method of providing location data about a mobile entity, wherein:
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the mobile entity provides a data package that comprises quality of service data (QoS data) indicating a desired accuracy limit of location data about the mobile entity, the data package being digitally signed by the mobile entity, the digitally-signed data package is passed, either directly or indirectly from the mobile entity, to a location handling system, and the location handling system after checking, on the basis of the digital signing of the data package, that the data package has been provided by the mobile entity, provides location data about the mobile entity limited to an accuracy no greater than that indicated by the QoS data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of providing location data about a mobile entity, wherein:
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the mobile entity requests a location-dependent service from a service system and provides that system with quality of service data (QoS data) that indicates a desired accuracy limit of location data about the mobile entity and is authenticatable as being provided by the mobile entity, the service system requests location data about the mobile entity from a location handling system, the request being accompanied by the QoS data, and the location handling system checks the authenticity of the QoS data as having been provided by the mobile entity, and then provides back to the service system the requested location data limited to an accuracy no greater than that indicated by the QoS data. - View Dependent Claims (15, 16)
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17. A location handling system comprising:
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receiving means for receiving a request for location data, and a data package that has been digitally signed by a mobile entity and comprises quality of service data, QoS data, indicating a desired limit on the accuracy of location data to be provided about the mobile entity;
authentication means for checking, on the basis of the digital signing of the data package, that the data package has been provided by said mobile entity; and
response means arranged upon the authentication means confirming that the data package has been provided by said mobile entity, to respond to the request for location data by providing location data about the mobile entity limited to an accuracy no greater than that indicated by the QoS data. - View Dependent Claims (18, 19, 20, 21)
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Specification