Method of wirelessly communicating data between vehicles and central facilities
First Claim
Patent Images
1. A method of wirelessly communicating packetized data between a vehicle and a central facility, comprising the steps of:
- (a) receiving a request at a vehicle telematics unit from the central facility to transmit packetized data;
(b) determining whether the vehicle telematics unit is communicating through a roaming wireless carrier system in response to the request from the central facility; and
(c) delaying the transmission of packetized data from the vehicle telematics unit to the central facility in response to the request until the vehicle telematics unit is no longer communicating through the roaming wireless carrier system.
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Abstract
A method of wirelessly communicating packetized data between a vehicle and a central facility includes receiving a request at a vehicle telematics unit to transmit packetized data; determining whether the vehicle telematics unit is communicating through a roaming wireless carrier system; and delaying the transmission of packetized data between the vehicle telematics unit and a central facility until the vehicle telematics unit is no longer communicating through the roaming wireless carrier system.
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Citations
18 Claims
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1. A method of wirelessly communicating packetized data between a vehicle and a central facility, comprising the steps of:
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(a) receiving a request at a vehicle telematics unit from the central facility to transmit packetized data; (b) determining whether the vehicle telematics unit is communicating through a roaming wireless carrier system in response to the request from the central facility; and (c) delaying the transmission of packetized data from the vehicle telematics unit to the central facility in response to the request until the vehicle telematics unit is no longer communicating through the roaming wireless carrier system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of wirelessly communicating packetized data between a vehicle and a central facility, comprising the steps of:
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(a) placing a call from a central facility to a vehicle telematics unit; (b) identifying a system identification number (SID) of a wireless carrier system currently used by the vehicle telematics unit to communicate via the placed call; (c) determining at the central facility whether the identified SID is classified as a roaming wireless communication system; and (d) delaying the communication of packetized data between the vehicle telematics unit and the central facility based on the determination made at the central facility when the identified SID is classified as a roaming wireless communication system. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A method of wirelessly communicating packetized data between a vehicle and a central facility, comprising the steps of:
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(a) initiating a call from a central facility to a vehicle telematics unit; (b) identifying the system identification number (SID) of a wireless carrier system currently used by the vehicle telematics unit for communication based on the initiated call; (c) determining that the vehicle telematics unit is presently communicating via a roaming wireless carrier system using the identity of the SID; (d) uploading a trigger to the vehicle telematics unit based on step (c) instructing the vehicle telematics unit to; (d1) determine that the vehicle telematics unit is no longer communicating using the roaming wireless carrier system; (d2) placing a telephone call from the vehicle telematics unit to the central facility based on step (d1); and (d3) communicating packetized data between the vehicle telematics unit and the central facility via the call placed from the vehicle telematics unit, wherein the trigger includes a command to send a message to the central facility each time the vehicle telematics unit detects a SID change. - View Dependent Claims (16, 17, 18)
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Specification