SYSTEM AND METHOD FOR FLEXIBLY PAIRING DEVICES USING ADAPTIVE VARIABLE THRESHOLDING

• US 20160249158A1
• Filed: 02/19/2015
• Published: 08/25/2016
• Est. Priority Date: 02/19/2015
• Status: Active Grant

• Current Assignee: Xerox Corporation (Xerox Holdings Corp.)
• Original Assignee: Xerox Corporation (Xerox Holdings Corp.)
• Inventors: Rajendran, Premkumar, Tredoux, Gavan, Zehler, Peter, Wang, Michael, Tse, Francis
• Granted Patent: US 9,654,904 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04L 43/16 Threshold monitoring
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• CPC Class Codes: H04W 48/14 using user query or user detection
• CPC Class Codes: H04W 48/16 Discovering, processing access restriction or access information
• CPC Class Codes: H04W 8/005 Discovery of network devices, e.g. terminals

Abstract

A method and system for pairing devices comprises transmitting a plurality of communication signals from each of a plurality of devices and setting an initial threshold vector of signal strengths as a current threshold vector of signal strengths for at least one target device selected from among the plurality of devices. The embodiment includes pairing at least one client device with the at least one target device when a measured vector of signal strengths exceeds the current threshold vector of signal strengths and adjusting the current threshold vector of signal strengths according to the pairing between the client device and the target device, thereby adaptively adjusting the current threshold vector of signal strengths.

Claims

1. A method for pairing devices comprising:

transmitting a plurality of communication signals from each of a plurality of devices;

setting an initial threshold vector of signal strengths as a current threshold vector of signal strengths for at least one target device selected from among said plurality of devices;

pairing at least one client device with said at least one target device when a measured vector of signal strengths exceeds said current threshold vector of signal strengths; and

adjusting said current threshold vector of signal strengths according to said pairing between said client device and said target device, thereby adaptively adjusting said current threshold vector of signal strengths.

2. The method of claim 1 wherein setting said initial threshold vector of signal strengths as said current threshold vector of signal strengths further comprises:

storing said current threshold vector of signal strengths in a memory associated with a server in communication with said target device and said client device.

3. The method of claim 2 further comprising:

providing a plurality of identifiers associated individually with each of said plurality of devices to said client device and said server via said plurality of communication signals; and

associating said current threshold vector of signal strengths with said target device according to said identifier associated with said target device.

4. The method of claim 3 wherein said identifier associated with said target device comprises at least one of:

a Globally Unique Identifier;

a human friendly identifier; and

a locally assigned identifier.

5. The method of claim 2 further comprising:

providing information associated with said client device to said server;

establishing a device specific threshold vector of signal strengths according to said pairing between said client device and said target device; and

saving said device specific threshold vector of signal strengths and information associated with said client device in said memory of said server as a current device specific threshold vector of signal strengths, wherein said current device specific threshold vector of signal strengths is provided as a current threshold vector of signal strengths for other client devices with similar model information.

6. The method of claim 1 wherein establishing a current device specific threshold vector of signal strengths further comprises:

a training stage wherein a current device specific threshold vector of signal strengths is set by manually setting said current device specific threshold vector of signal strength at least once; and

an operational learning stage wherein said current device specific threshold vector of signal strengths is manually selected and adjusted only when automatic pairing between said at least one client device and said at least one target device is insufficient.

7. The method of claim 1 wherein establishing an initial threshold vector of signal strengths for said target device and setting said initial threshold vector of signal strengths as a current threshold vector of signal strengths for said target device further comprises:

measuring said communication signals from said target device and said plurality of devices with a configuration device; and

determining a distance associated with a vector of signal strengths wherein said communication signal will support communication between said target device and said client device.

8. The method of claim 1 wherein setting said initial threshold vector of signal strengths as said current threshold vector of signal strengths further comprises:

storing said current threshold vector of signal strengths in a memory associated with said client device.

9. A system comprising:

a plurality of devices configured for rendering media wherein said plurality of devices transmit a plurality of communication signals;

a processor; and

a computer-usable medium embodying computer code, said computer-usable medium being coupled to said processor, said computer code comprising non-transitory instruction media executable by said processor configured for;

setting an initial threshold vector of signal strengths as a current threshold vector of signal strengths for at least one target device selected from among said plurality of devices;

pairing at least one client device with said at least one target device when a measured vector of signal strengths exceeds said current threshold vector of signal strengths; and

adjusting said current threshold vector of signal strengths according to said pairing between said client device and said target device, thereby adaptively adjusting said current threshold vector of signal strengths.

10. The system of claim 9 wherein setting said initial threshold vector of signal strengths as said current threshold vector of signal strengths further comprises:

storing said current threshold vector of signal strengths in a memory associated with a server in communication with said target device and said client device.

11. The system of claim 10 wherein said computer code comprising non-transitory instruction media executable by said processor is further configured for:

providing a plurality of identifiers associated individually with each of said plurality of devices to said client device and said server via said plurality of communication signals; and

associating said current threshold vector of signal strengths with said target device according to said identifier associated with said target device.

12. The system of claim 11 wherein said identifier associated with said target device comprises at least one of:

a Globally Unique Identifier;

a human friendly identifier; and

a locally assigned identifier.

13. The system of claim 10 wherein said computer code comprising non-transitory instruction media executable by said processor is further configured for:

providing information associated with said client device to said server;

establishing a device specific threshold vector of signal strengths according to said pairing between said client device and said target device; and

saving said device specific threshold vector of signal strengths and information associated with said client device in said memory of said server as a current device specific threshold vector of signal strengths, wherein said current device specific threshold vector of signal strengths is provided as a current threshold vector of signal strengths for other client devices with similar model information.

14. The system of claim 13 wherein establishing a current device specific threshold vector of signal strengths further comprises:

setting said current device specific threshold vector of signal strengths via a user override.

15. The system of claim 9 wherein establishing an initial threshold vector of signal strengths for said target device and setting said initial threshold vector of signal strengths as a current threshold vector of signal strengths for said target device further comprises:

measuring said communication signal from said target device and said plurality of devices with a configuration device; and

determining a distance associated with a vector of signal strengths wherein said communication signal will support communication between said target device and said client device.

16. The system of claim 9 wherein setting said initial threshold vector of signal strengths as said current threshold vector of signal strengths further comprises:

storing said current threshold vector of signal strengths in a memory associated with said client device.

17. A system comprising:

at least one device wherein said at least one device comprises;

a communication module configured to transmit a communication signal from the at least one device;

a threshold setting module configured to establish an initial threshold vector of signal strengths for said device and set said initial threshold vector of signal strengths as a current threshold vector of signal strengths for said device;

a pairing module configured to pair said device to at least one client when a measured vector of signal strengths exceeds said current threshold vector of signal strengths; and

a threshold adjusting module configured to adjust said current threshold vector of signal strengths according to said pairing between said client device and said target device, thereby adaptively adjusting said current threshold vector of signal strengths.

18. The system of claim 17 further comprising:

a server; and

a memory associated with said server wherein said current threshold vector of signal strengths is stored in said memory associated with said server.

19. The system of claim 18 further comprising:

at least one identifier associated with said device wherein said identifier is provided to said client device and said server via said communication signals in order to associate said current threshold vector of signal strengths with said device according to said identifier associated with said device.

20. The system of claim 19 wherein said paring module is further configured for:

providing information associated with said client device to said server;

establishing a device specific threshold vector of signal strengths according to said pairing between said client device and said target device; and

saving said device specific threshold vector of signal strengths and information associated with said client device in said memory of said server as a current device specific threshold vector of signal strengths, wherein said current device specific threshold vector of signal strengths is provided as a current threshold vector of signal strengths for other client devices with similar model information.