Configurable vehicle bus storage cache mechanism
First Claim
1. A method of configuring a cache in a telematics unit in a mobile vehicle to selectively store information for later remote retrieval comprising:
- receiving a request transmission at the telematics unit from a first source remote to the telematics unit, wherein the request transmission identifies a set of information related to the mobile vehicle;
querying a module within the vehicle from the telematics unit to provide at least a portion of the set of information;
receiving the portion of the set of information at the telematics unit from the module; and
caching the received portion of the set of information at the telematics unit in an off-line cache, wherein the off-line cache is available for querying by one or more remote sources when the telematics unit is powered down.
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Accused Products
Abstract
A remotely configurable telematics unit cache provides for selective caching of data of interest to a remote caller. The configurable caching system ensures that selected data is available when the vehicle is not in operation and the telematics unit is not powered on. A remote caller can remotely configure the telematics unit cache to selectively store data of interest. Subsequently, the telematics module can accept calls from the caller and the cached information can be pulled. Thus, the configurable cache allows a remote caller to selectively and positively configure the cache to store desired data to be later uploaded without requiring a call-back from the telematics unit and without limiting the cached data to predetermined data groups.
13 Citations
20 Claims
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1. A method of configuring a cache in a telematics unit in a mobile vehicle to selectively store information for later remote retrieval comprising:
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receiving a request transmission at the telematics unit from a first source remote to the telematics unit, wherein the request transmission identifies a set of information related to the mobile vehicle; querying a module within the vehicle from the telematics unit to provide at least a portion of the set of information; receiving the portion of the set of information at the telematics unit from the module; and caching the received portion of the set of information at the telematics unit in an off-line cache, wherein the off-line cache is available for querying by one or more remote sources when the telematics unit is powered down. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A computer-readable medium having stored thereon a computer-readable structure for use in caching information related to the mobile vehicle in an offline cache, the structure comprising:
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one or more information fields, each for storing an identifier of an item of information related to the mobile vehicle; and a time factor field for storing a time factor value associated with each of the one or more information fields, wherein each time factor value defines a factor defining when the information identified in the associated information field is to be collected. - View Dependent Claims (14)
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15. A method of remotely configuring an off-line cache in a mobile vehicle telematics unit to selectively store information for later remote retrieval, wherein the off-line cache is available to be queried when the mobile vehicle telematics unit is powered off, the method comprising:
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constructing an off-line cache request comprising one or more information identifiers specifying information to be cached and one or more time factors associated respectively with the one or more information identifiers stipulating a time value in keeping with which the associated information is to be collected; and remotely sending a request transmission to the telematics unit, wherein the request transmission comprises the off-line cache request. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification