Systems and methods of controlling an association between wireless devices while in an assigned domain

• US 10,278,043 B2
• Filed: 11/06/2017
• Issued: 04/30/2019
• Est. Priority Date: 11/20/2014
• Status: Active Grant

• Current Assignee: Thermo King Corporation (Trane Technologies plc)
• Original Assignee: Thermo King Corporation (Trane Technologies plc)
• Inventors: Srnec, Matthew
• Primary Examiner(s): Brown, Vernal U
• Application Number:
  US15/804,627
• Publication Number:
  US 20180077519A1
• Time in Patent Office: 540 Days
• Field of Search: 340 101
• CPC Class Codes: G06Q 10/0833 Tracking
• CPC Class Codes: H04B 5/45 Transponders
• CPC Class Codes: H04L 67/00 Network arrangements or protocols for supporting network services or applications user-to-user messaging H04L51/00; network arrangements, protocols or services for supporting real-time applications in data packet communications networks H04L65/00
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]

Abstract

Systems and methods of controlling an association between wireless devices in an assigned domain or bonded area of a transport unit are disclosed. Generally, the embodiments include identifying wireless devices in a bounded area, and establishing an association between the wireless devices. The method may include identifying new wireless device(s) when the transport unit is away from other transport units, and establishing an association with the new wireless device(s). Confirming that the transport unit is away from other transport units may include determining that the transport unit is in a motion state for a predetermined period of time.

Claims

1. A method of establishing a transitional wireless association in a transport unit, the method comprising:

determining, by a state-sensing device, whether the transport unit is away from a second transport unit; and

when the transport unit is determined to be away from the second transport unit, establishing, by a wireless receiver, a transitional wireless association with a wireless device in the transport unit,

wherein establishing the transitional wireless association includes establishing a communication between the wireless receiver and the wireless device using a unique identification information of the wireless device, and the wireless receiver receiving the unique identification information from the wireless device, and

wherein the transport unit defines an area in which the wireless receiver can maintain the transitional wireless association with the wireless device.

2. The method of claim 1, wherein the state-sensing device includes at least one of a motion sensing device, a geographic location receiver, a signal strength sensing device, a telematics device, and a timer.

3. The method of claim 1, wherein determining whether the transport unit is away from the second transport unit includes:

determining, by the state-sensing device, whether the transport unit travels at least at a predetermined speed for at least a period of time; and

determining, by the state-sensing device, the transport unit is away from the second transport unit when the transport unit travels at least at the predetermined speed for at least the period of time.

4. The method of claim 1, further comprising:

after the transport unit is determined to be away from the second transport unit, scanning, by the wireless receiver, a tag of the wireless device, the tag being the unique identification of the wireless device;

determining, by the wireless receiver, whether a new tag is present; and

when a new tag is present,

waiting, by the state-sensing device, for a predetermined period of read time;

after the predetermined period of read time, scanning, by the wireless receiver, the tag of the wireless device again;

determining, by the wireless receiver, whether the new tag is still present to determine whether the wireless device moves along with the transport unit.

5. The method of claim 1, wherein establishing a transitional wireless association with the wireless device on the transport unit includes:

adding, by the wireless receiver, a tag of the wireless device to a tag list, the tag being the unique identification of the wireless device; and

assigning, by the wireless receiver, a data storage location to the wireless device.

6. The method of claim 1, wherein determining whether the transport unit is away from the second transport unit includes:

determining, by the state-sensing device, whether the transport unit is in motion for at least a predetermined period of time; and

determining, by the state-sensing device, the transport unit is away from the second transport unit when the transport unit is in motion for at least the predetermined period of time.

7. The method of claim 6, wherein determining whether the transport unit is away from the second transport unit includes:

after the motion of the transport unit is detected, starting a timer by the state-sensing device; and

monitoring the timer, by the state-sensing device, until the predetermined period of time is reached.

8. The method of claim 1, further comprising:

determining, by the wireless receiver, whether the wireless device is removed from the transport unit; and

when the wireless device is removed from the transport unit, removing, by the wireless receiver, the wireless device from the transitional wireless association.

9. The method of claim 8, wherein determining whether the wireless device is removed from the transport unit includes:

scanning, by the wireless receiver, a tag of the wireless device, the tag being the unique identification of the wireless device;

determining, by the wireless receiver, whether the tag is missing by comparing the tag against a tag list;

when the tag is missing from the tag list and the tag has been missing from the tag list at least for a predetermined number of read cycles, determining a wireless device corresponding to the tag has been removed from the transport unit.

10. The method of claim 8, wherein removing the wireless device from the transitional wireless association includes:

removing, by the wireless receiver, a tag from the tag list, the tag being the unique identification of the wireless device; and

freeing, by the wireless receiver, a storage unit assigned to record from the wireless device.

11. A transitional wireless association system for establishing a transitional wireless association in a transport unit, comprising:

a plurality of wireless devices provided within the transport unit; and

a coordinator configured to determine whether the transport unit is away from a second transport unit,

when the coordinator determines that the transport unit is away from the second transport unit, the coordinator is configured to establish a transitional wireless association between the coordinator and a wireless device of the plurality of wireless devices in the transport unit,

wherein the coordinator is configured to establish a communication between the coordinator and the wireless device, the wireless device includes a unique identification information that uniquely identifies the wireless device, and the coordinator is configured to receive the unique identification information from the wireless device, and

wherein the transport unit defines an area in which the coordinator can maintain the transitional wireless association with the wireless device.

12. The transitional wireless association system of claim 11, wherein the coordinator is configured to determine whether the transport unit is in motion for at least a predetermined period of time, and

the coordinator is configured to determine the transport unit is away from the second transport unit when the transport unit is in motion for at least the predetermined period of time.

13. The transitional wireless association system of claim 11, wherein the coordinator is configured to determine whether the transport unit travels at least at a predetermined speed for at least a period of time, and

the coordinator is configured to determine the transport unit is away from the second transport unit when the transport unit travels at least at the predetermined speed for at least the period of time.

14. The transitional wireless association system of claim 11, wherein after the transport unit is determined to be away from the second transport unit, the coordinator scans a tag of the wireless device, the tag being the unique identification of the wireless device,

wherein when the coordinator determines that a new tag is present, the coordinator waits for a predetermined period of read time, after the predetermined period of read time, the coordinator scans the tag of the wireless device again and determines whether the new tag is still present to determine whether the wireless device moves along with the transport unit.

15. The transitional wireless association system of claim 11, wherein the coordinator is configured to add a tag of each of the plurality of wireless devices to a tag list, the tag being the unique identification of the wireless device, and

the coordinator is configured to assign a data storage location to each of the plurality of wireless devices.

16. The transitional wireless association system of claim 11, wherein the coordinator is configured to determine whether any of the plurality of wireless devices is removed from the transport unit, and

when any of the plurality of wireless devices is removed from the transport unit, the coordinator is configured to remove the wireless device from the transitional wireless association.

17. The transitional wireless association system of claim 16, wherein the coordinator is configured to scan tags of each of the plurality of wireless devices, each of the tags is the unique identification of each of the wireless device, respectively,

the coordinator is configured to determine whether any of the tags is missing by comparing the tags against a tag list,

when at least one of the tags is missing from the tag list and the one of the tags has been missing from the tag list at least for a predetermined number of read cycles, the coordinator is configured to determine a wireless device corresponding to the at least one of the tags has been removed from the transport unit.

18. The transitional wireless association system of claim 16, wherein the coordinator is configured to remove a tag from a tag list, the tag being the unique identification of the wireless device, and

the coordinator is configured to free a storage unit assigned to record from the wireless device.

19. A transport unit comprising:

a cargo space;

a plurality of wireless devices provided within the cargo space; and

a coordinator configured to determine whether the transport unit is away from a second transport unit,

when the coordinator determines that the transport unit is away from the second transport unit, the coordinator is configured to establish a transitional wireless association between the coordinator and a wireless device of the plurality of wireless devices in the cargo space,

wherein the coordinator is configured to establish a communication between the coordinator and the wireless device, the wireless device includes a unique identification information that uniquely identifies the wireless device, and the coordinator is configured to receive the unique identification information from the wireless device, and

wherein the transport unit defines an area in which the coordinator can maintain the transitional wireless association with the wireless device.