METHOD OF WIRELESSLY COMMUNICATING DATA BETWEEN VEHICLES AND CENTRAL FACILITIES

• US 20130163511A1
• Filed: 12/21/2011
• Published: 06/27/2013
• Est. Priority Date: 12/21/2011
• Status: Active Grant

• Current Assignee: General Motors LLC (General Motors Company)
• Original Assignee: General Motors LLC (General Motors Company)
• Inventors: Granda, Shawn F., Waldner, Matthew R., Timm, Mark J., Bloomer, Bradley R.
• Granted Patent: US 8,797,958 B2
• Time in Patent Office: Days
• US Class Current: 370/328
• CPC Class Codes: G07C 5/008 communicating information to a remotely located station transmission systems for measured values G08C
• CPC Class Codes: H04W 4/02 Services making use of location information
• CPC Class Codes: H04W 4/029 Location-based management or tracking services
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 48/04 based on user or terminal location or mobility data, e.g. moving direction, speed

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.

Claims

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 to transmit packetized data;

(b) determining whether the vehicle telematics unit is communicating through a roaming wireless carrier system; and

(c) 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.

2. The method of claim 1 further comprising the step of receiving a system identification number (SID) at the central facility, wherein the SID identifies a wireless carrier system presently used by the vehicle telematics unit.

3. The method of claim 2, further comprising the step of comparing the received SID with a SID that identifies a home wireless carrier system.

4. The method of claim 2, further comprising the step of comparing the received SID with one or more SIDs included in a preferred roaming list (PRL).

5. The method of claim 2, further comprising the step of comparing the received SID with a searchable database containing a plurality of SIDs each of which identifies a roaming wireless carrier system.

6. The method of claim 1, further comprising the step of transmitting a trigger to the vehicle telematics unit when it is determined that the vehicle telematics unit is communicating through the roaming wireless carrier system.

7. The method of claim 1, further comprising the step of transmitting a trigger to the vehicle telematics unit when it is determined that the vehicle telematics unit is communicating through the roaming wireless carrier system, wherein the trigger instructs the vehicle telematics unit to transmit a message to the central facility each time the vehicle telematics unit detects a system identification number (SID) change.

8. The method of claim 1, further comprising the step of determining that the vehicle telematics unit is no longer communicating through the roaming wireless carrier system by detecting a system identification number (SID) change at the vehicle telematics unit.

9. A method of wirelessly communicating packetized data between a vehicle and a central facility, comprising the steps of:

(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 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 when the identified SID is classified as a roaming wireless communication system.

10. The method of claim 9 further comprising the step of transmitting the identified SID to the central facility and determining whether the identified SID is classified as a roaming wireless communication system at the central facility.

11. The method of claim 9, further comprising the step of comparing the identified SID with one or more SIDs included in a preferred roaming list (PRL).

12. The method of claim 9, further comprising the step of comparing the identified SID with a searchable database containing a plurality of SIDs each of which identifies a roaming wireless carrier system.

13. The method of claim 9, further comprising the step of transmitting a trigger to the vehicle telematics unit when it is determined that the identified SID is classified as a roaming wireless carrier system.

14. The method of claim 9, further comprising the step of transmitting a trigger to the vehicle telematics unit when it is determined that the vehicle telematics unit is communicating through the roaming wireless carrier system, wherein the trigger instructs the vehicle telematics unit to transmit a message to the central facility each time the vehicle telematics unit detects a SID change.

15. The method of claim 9, further comprising the step of determining that the vehicle telematics unit is no longer communicating through the roaming wireless carrier system by detecting a system identification number (SID) change at the vehicle telematics unit.

16. A method of wirelessly communicating packetized data between a vehicle and a central facility, comprising the steps of:

(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.

17. The method of claim 16, further comprising the step of transmitting the identified SID to the central facility and identifying the SID at the central facility.

18. The method of claim 16, further comprising the step of comparing the identified SID with a searchable database located at the central facility that containing a plurality of SIDs each of which identifies a roaming wireless carrier system.

19. The method of claim 16, further comprising the step of determining that the vehicle telematics unit is no longer communicating through the roaming wireless carrier system by detecting a system identification number (SID) change at the vehicle telematics unit.

20. The method of claim 16, further comprising the step of including with the trigger a command that instructs the vehicle telematics unit to transmit a message to the central facility each time the vehicle telematics unit detects a SID change.