Method and system for skewing location determinations

• US 9,191,916 B1
• Filed: 09/30/2013
• Issued: 11/17/2015
• Est. Priority Date: 09/30/2013
• Status: Active Grant

• Current Assignee: Sprint Spectrum LP (Deutsche Telekom AG)
• Original Assignee: Sprint Spectrum LP (Deutsche Telekom AG)
• Inventors: Jones, Bryce A., Bonn, Mark J., McMullen, Michael P., Cerda, Sal, Williams, Stephen D.
• Primary Examiner(s): Taylor, Nathan
• Application Number:
  US14/040,803
• Time in Patent Office: 778 Days
• Field of Search: 4554561-4566, 455/404.2, 370/338, 370/252
• US Class Current: 1/1
• CPC Class Codes: H04W 64/003 locating network equipment
• CPC Class Codes: H04W 76/50 for emergency connections

Abstract

A mobile location system (MLS) may receive a request to provide a representative location of a user equipment device (UE). In response to receiving the request, the MLS may apply a location determination process so as to determine a location of the UE. The MLS may then determine that the determined location of the UE coincides with an existing location of another entity, such as a private address. In response to determining that the determined location of the UE coincides with the existing location of the other entity, the MLS may adjust the determined location to not coincide with the existing location of the other entity. The adjusted determined location may be a road segment, geodetic marker, or property boundary. The MLS may then provide a response to the request, in which the response identifies the adjusted determined location of the UE as the representative location of the UE.

Claims

1. A method comprising:

a mobile location system (MLS) receiving a request to provide a representative location of a user equipment device (UE);

in response to receiving the request, the MLS applying a location determination process so as to determine a location of the UE;

the MLS determining that the determined location of the UE coincides with an existing location of another entity;

in response to determining that the determined location of the UE coincides with the existing location of the other entity, the MLS adjusting the determined location to not coincide with the existing location of the other entity; and

the MLS providing a response to the request, wherein the response identifies the adjusted determined location of the UE as the representative location of the UE.

2. The method of claim 1, wherein applying the location determination process so as to determine the location of the UE comprises determining the location of the UE based on a centroid of a wireless coverage area in which the UE is operating.

3. The method of claim 1, wherein applying the location determination process so as to determine the location of the UE comprises determining the location of the UE using trilateration based on known locations of three or more base stations proximate to the UE and operated by the UE'"'"'s service provider.

4. The method of claim 1, wherein applying the location determination process so as to determine the location of the UE comprises determining the location of the UE using triangulation based on known locations of three or more base stations proximate to the UE and operated by the UE'"'"'s service provider.

5. The method of claim 1, wherein the other entity is a private address.

6. The method of claim 5, wherein the private address includes one or more of:

a home residence, an educational institution, a religious institution, a medical institution, and a military institution.

7. The method of claim 1, wherein adjusting the determined location to not coincide with the existing location of the other entity comprises:

identifying a candidate adjustment location that does not coincide with the existing location of the other entity;

making a determination of whether the identified candidate adjustment location is within a threshold distance from the determined location; and

responsive to the determination being that the identified candidate adjustment location is within the threshold distance, designating the identified candidate adjustment location as the adjusted determined location.

8. The method of claim 7, wherein identifying the candidate adjustment location comprises identifying the candidate adjustment location using a consolidated map database stored at the MLS.

9. The method of claim 8, further comprising the MLS periodically updating the consolidated map database.

10. The method of claim 7, wherein the candidate adjustment location is a road segment.

11. The method of claim 1, wherein adjusting the determined location to not coincide with the existing location of the other entity comprises:

identifying a candidate adjustment location that does not coincide with the existing location of the other entity;

making a determination of whether the identified candidate adjustment location is within a threshold distance from the determined location; and

responsive to the determination being that the identified candidate adjustment location is not within the threshold distance,

(i) identifying another candidate adjustment location that does not coincide with the existing location of the other entity,

(ii) making a determination of whether the other identified candidate adjustment location is within a threshold distance from the determined location, and

(iii) responsive to the determination being that the other identified candidate adjustment location is within the threshold distance, designating the other identified candidate adjustment location as the adjusted determined location.

12. The method of claim 11, wherein the other candidate adjustment location is a geodetic marker or a traffic control object.

13. The method of claim 1, wherein adjusting the determined location to not coincide with the existing location of the other entity comprises:

identifying a candidate adjustment location that does not coincide with the existing location of the other entity;

making a determination of whether the identified candidate adjustment location is within a threshold distance from the determined location; and

responsive to the determination being that the identified candidate adjustment location is not within the threshold distance,

(i) identifying another candidate adjustment location that does not coincide with the existing location of the other entity,

(ii) making a determination of whether the other identified candidate adjustment location is within a threshold distance from the determined location, and

(iii) responsive to the determination being that the other identified candidate adjustment location is not within the threshold distance, designating, as the adjusted determined location, a property boundary that is within a threshold distance from the determined location.

14. A mobile location system (MLS) comprising:

a network communication interface;

at least one processor;

data storage; and

program logic stored in the data storage and executable by the processor to carry out functions comprising;

receiving, via the network communication interface, a request to provide a representative location of a user equipment device (UE),

in response to receiving the request, applying a location determination process so as to determine a location of the UE,

determining that the determined location of the UE coincides with an existing location of another entity,

in response to determining that the determined location of the UE coincides with the existing location of the other entity, adjusting the determined location to not coincide with the existing location of the other entity, and

providing, via the network communication interface, a response to the request, wherein the response identifies the adjusted determined location of the UE as the representative location of the UE.

15. The MLS of claim 14, wherein receiving the request comprises receiving the request from a public safety answering point (PSAP).

16. The MLS of claim 14, wherein the adjusted determined location is a location of an entity selected from the group consisting of a road segment, a geodetic marker, a traffic control object, and a property boundary.

17. The MLS of claim 14, wherein determining that the determined location of the UE coincides with the existing location of the other entity comprises identifying a geographic area that encompasses the determined location, wherein the geographic area is selected from the group consisting of:

an urban area, a suburban area, and a rural area.

18. A non-transitory computer-readable medium having stored thereon program instructions executable by a mobile location system (MLS) to cause the MLS to perform functions comprising:

receiving a request to provide a representative location of a user equipment device (UE);

in response to receiving the request, applying a location determination process so as to determine a location of the UE;

determining that the determined location of the UE coincides with an existing location of another entity;

in response to determining that the determined location of the UE coincides with the existing location of the other entity, adjusting the determined location to not coincide with the existing location of the other entity; and

providing a response to the request, wherein the response identifies the adjusted determined location of the UE as the representative location of the UE.

19. The non-transitory computer-readable medium of claim 18, wherein the response identifying the adjusted determined location of the UE as the representative location of the UE comprises the response identifying the adjusted determined location of the UE as the representative location of the UE without identifying the determined location of the UE as the representative location of the UE.

20. The non-transitory computer-readable medium of claim 18, wherein the adjusted determined location of the UE is within a threshold distance from the determined location, and wherein the adjusted determined location of the UE is a location of an entity selected from the group consisting of a road segment, a geodetic marker, a traffic control object, and a property boundary.