Dynamic virtual beacon methods and apparatus

• US 9,967,803 B2
• Filed: 06/06/2016
• Issued: 05/08/2018
• Est. Priority Date: 04/30/2015
• Status: Active Grant

• Current Assignee: Juniper Networks Incorporated
• Original Assignee: Mist Systems, Inc. (Juniper Networks Incorporated)
• Inventors: Friday, Robert, Castagnoli, Neal Dante, Frei, Randall Wayne
• Primary Examiner(s): Zhao, Wei
• Application Number:
  US15/175,020
• Publication Number:
  US 20170273008A1
• Time in Patent Office: 701 Days
• CPC Class Codes: G01S 5/0273 using multipath or indirect path propagation signals in position determination
• CPC Class Codes: G01S 5/0278 involving statistical or probabilistic considerations G01S5/0252, G01S5/0294 take precedence
• CPC Class Codes: H04B 17/27 for locating or positioning the transmitter
• CPC Class Codes: H04B 17/318 Received signal strength
• CPC Class Codes: H04B 17/373 Predicting channel quality or other radio frequency [RF] parameters
• CPC Class Codes: H04W 16/28 using beam steering
• CPC Class Codes: H04W 4/025 using location based information parameters
• CPC Class Codes: H04W 4/029 Location-based management or tracking services
• CPC Class Codes: H04W 4/33 for indoor environments, e.g. buildings
• CPC Class Codes: H04W 48/08 Access restriction or access information delivery, e.g. discovery data delivery signalling during connection H04W76/00
• CPC Class Codes: H04W 52/242 taking into account path loss
• CPC Class Codes: H04W 64/00 Locating users or terminals or network equipment for network management purposes, e.g. mobility management
• CPC Class Codes: H04W 72/542 using measured or perceived quality

Abstract

Methods and apparatus relating to use of actual and/or virtual beacons are described. Virtual beacons are virtual in that an actual beacon need not be transmitted but a rather a virtual beacon transmitter at a desired location may be considered to transmit virtual beacons. Beacon transmitter information indicates transmission power and location of actual and virtual beacon transmitters as well as information to be communicated by virtual beacons and is dynamically updated based on device movement, a schedule and/or the locations of devices in a group. Virtual personal beacons, virtual group beacons and virtual scheduled beacons are supported. A virtual personal beacon transmitter location is updated as the location of a device corresponding to the person moves. Reception of a virtual beacon is reported in a message sent to a wireless terminal or a component of the wireless terminal which acts upon receiving an indication of beacon reception.

Claims

1. A method of operating a device in a communications system, the method comprising:

storing in memory, beacon transmitter information, said beacon transmitter information including for a first beacon signal, information indicating;

i) a location of a first beacon transmitter and ii) a transmit power level of the first beacon signal;

determining, based on the location of a wireless device and the information stored in said memory indicating the location of the first beacon transmitter, a beacon signal strength to be reported, said beacon signal strength to be reported being an expected received beacon signal strength of the first beacon signal at the location of said wireless device given the location of said first beacon transmitter indicated by the information in said memory; and

communicating a message indicating the determined received beacon signal strength to the wireless device or a component in said wireless device which acts upon received beacon signal information; and

changing the stored beacon transmitter information to alter at least one of i) the location of the first beacon transmitter or ii) the transmit power level of the first beacon signal based on at least one of;

i) a schedule, ii) a location of a device associated with the first beacon transmitter, iii) a location of a group associated with the first beacon transmitter, iv) a size of geographic area occupied by said group associated with the first beacon transmitter, or v) a rate of motion of a group or individual associated with the first beacon transmitter.

2. The method of claim 1, wherein said message is a message reporting receipt of the first beacon signal, said message including in addition to the received beacon signal strength information a beacon identifier or other information indicated in said memory to be communicated by said first beacon signal.

3. The method of claim 1, wherein the wireless device is a mobile wireless terminal.

4. The method of claim 3, wherein determining the beacon signal strength to be reported is further based on the transmit power level of the first beacon signal indicated in said memory.

5. The method of claim 3, wherein said first beacon transmitter is a virtual beacon transmitter which does not transmit a physical signal.

6. The method of claim 3, wherein changing the stored beacon transmitter information to alter at least one of i) the location of the first beacon transmitter or ii) the transmit power level of the first beacon signal, is based on a first schedule, said first schedule indicating different locations of said first beacon transmitter for different time periods, said step of changing including:

changing the stored first beacon transmitter location information to match a location indicated in said schedule for a current time period.

7. The method of claim 6, wherein changing the stored beacon transmitter information to alter at least one of i) the location of the first beacon transmitter or ii) the transmit power level of the first beacon signal is based on a first schedule, said first schedule indicating different power levels of said first beacon transmitter for different time periods, said step of changing including:

changing the stored first beacon transmitter power level information to match a transmit power level indicated in said schedule for the current time period.

14. The method of claim 1,

wherein the determined transmit power level exceeds a transmit power level permitted by regulations at the indicated location of a virtual group beacon transmitter;

and

wherein said storing, changing, determining and communicating steps are performed by a network based beacon server coupled to said wireless device by a wireless communications link.

15. The method of claim 1,

wherein the method is implemented by a beacon server coupled to a wireless communications device by a wireless communications network;

wherein said storing, changing, determining and communicating steps are performed by a beacon server included in said wireless device; and

wherein said communicating the message indicating the determined received beacon signal strength includes communicating the message to the component in said wireless device which acts upon received beacon signal information, said component being a beacon signal interface for receiving and processing messages indicating receipt of beacon signals.

16. The method of claim 1 wherein said message indicating the determined received beacon signal strength includes a beacon ID of the beacon signal being reported as being received, a received signal strength of the beacon signal being reported as being received, a received time indicating a time of receipt of the beacon signal being reported as being received.

17. The method of claim 16,

wherein said message further includes a beacon type indicator and a frequency indicator;

wherein said message is transmitted using a different frequency band than the frequency band in which the beacon signal reported as being received is indicated to have been received in; and

wherein the beacon signal reported as being received is a virtual beacon signal which was not received by the wireless device to which said message is sent.

8. A method of operating a device in a communications system, the method comprising:

determining, based on a location of a wireless device and information stored in memory indicating a location of a first beacon transmitter, a beacon signal strength to be reported, said beacon signal strength to be reported being an expected received beacon signal strength of a first beacon signal at the location of said wireless device given the indicated location of said first beacon transmitter in said memory, the wireless device being associated with the first beacon transmitter;

communicating a message indicating the determined received beacon signal strength to the wireless device or a component in said wireless device which acts upon received beacon signal information;

receiving information from which the location of the wireless device associated with the first beacon transmitter can be determined; and

changing the stored beacon transmitter information to alter at least the location of the first beacon transmitter based on the location of the wireless device associated with the first beacon transmitter, said wireless device being a mobile wireless terminal which moves over time.

9. The method of claim 8, wherein said information indicating the location of the wireless device associated with the first beacon transmitter includes received signal strength information, the method further comprising:

operating a location determination device to determine the location of the wireless device based on the received signal strength information.

10. The method of claim 9,

wherein said first beacon signal is a virtual group beacon signal;

wherein the first beacon transmitter is a virtual group beacon transmitter;

wherein the wireless device is a first device in a group of devices associated with the virtual group beacon signal, the method further comprising;

updating a location of said first device in stored group information to indicate that the location of the first device is the determined location of the first device; and

determining a new location for the virtual beacon transmitter based on locations of devices in said group of devices associated with virtual group beacon signal, said locations of devices including the determined location of the first device.

11. The method of claim 10, further comprising:

determining a transmit power level for the virtual group beacon transmitter based on the location of the devices in the group of devices corresponding to virtual group beacon signal.

12. The method of claim 11, wherein determining the transmit power level includes determining a transmit power level to reach all devices which are members of said group of devices associated with the virtual group beacon signal.

13. The method of claim 11, wherein determining the transmit power level includes:

increasing the transmit power level indicated in said stored information for the virtual group beacon transmitter when device location information indicates that the devices in the group are spread over a larger area than at a last time the virtual group beacon transmitter transmit power was determined; and

decreasing the transmit power level indicated in said stored information for the virtual group beacon transmitter when device location information indicates that the devices in the group are spread over a smaller area than at the last time the virtual group beacon transmitter transmit power was determined.

18. A communications device, comprising:

memory including stored beacon transmitter information, said beacon transmitter information including for a first beacon signal, information indicating;

i) a location of a first beacon transmitter and ii) a transmit power level of the first beacon signal;

a processor configured to;

determine, based on a location of a wireless device and said information indicating the location of the first beacon transmitter, a beacon signal strength to be reported, said beacon signal strength to be reported being an expected received beacon signal strength of the first beacon signal at the location of said wireless device given the location of said first beacon transmitter indicated by the beacon transmitter information stored in said memory; and

communicate a message indicating the determined received beacon signal strength to the wireless device or a component in said wireless device which acts upon received beacon signal information; and

wherein said processor is further configured to change the stored beacon transmitter information to alter at least one of i) the location of the first beacon transmitter or ii) the transmit power level of the first beacon signal based on at least one of;

i) a schedule, ii) a location of a device associated with the first beacon transmitter, iii) a location of a group associated with the first beacon transmitter, iv) a size of geographic area occupied by said group associated with the first beacon transmitter, or v) a rate of motion of a group or individual associated with the first beacon transmitter.

19. The communications device of claim 18, wherein said message is a message reporting receipt of the first beacon signal, said message including in addition to the received beacon signal strength information a beacon identifier or other information indicated in said memory to be communicated by said first beacon signal.

20. The communications device of claim 18,

wherein said wireless device is a mobile wireless terminal which moves over time.

21. The communications device of claim 20, wherein said processor is configured to change the stored beacon transmitter information to alter at least one of i) the location of the first beacon transmitter or ii) the transmit power level of the first beacon signal, based on a first schedule, said first schedule indicating different locations of said first beacon transmitter for different time periods, said processor being further configured to change the stored first beacon transmitter location information to match a location indicated in said first schedule for a current time period.

22. A communications device, comprising:

memory including stored information indicating a location of a first beacon transmitter; and

a processor configured to;

determine, based on a location of a wireless device and said information indicating the location of the first beacon transmitter, a beacon signal strength to be reported, said beacon signal strength to be reported being an expected received beacon signal strength of a first beacon signal at the location of said wireless device given the indicated location of said first beacon transmitter in said memory; and

communicate a message indicating the determined received beacon signal strength to the wireless device or a component in said wireless device which acts upon received beacon signal information;

wherein the wireless device is associated with the first beacon transmitter;

wherein the communications device further comprises a receiver configured to receive information from which the location of the wireless device associated with the first beacon transmitter can be determined; and

wherein said processor is further configured, as part of being configured to change the stored beacon transmitter information to alter at least one of i) the location of the first beacon transmitter or ii) the transmit power level of the first beacon signal, to change the location of the first beacon transmitter based on the location of the wireless device associated with the first beacon transmitter, said wireless device being a mobile wireless terminal which moves over time.

23. The communications device of claim 22, wherein said information indicating the location of the wireless device associated with the first beacon transmitter includes received signal strength information;

and

wherein the communications device further comprises;

a location determination device configured to determine the location of the wireless device based on the received signal strength information.

24. The communications device of claim 23,

wherein said first beacon signal is a virtual group beacon signal;

wherein the first beacon transmitter is a virtual group beacon transmitter;

wherein the wireless device is a first device in a group of devices associated with the virtual group beacon signal; and

wherein said processor is further configured to;

update a location of said first device in stored group information to indicate that the location of the first device is the determined location of the first device; and

determine a new location for the virtual beacon transmitter based on locations of devices in said group of devices associated with virtual group beacon signal, said locations of devices including the determined location of the first device.

25. A non-transitory computer readable medium for use in a communications device, said non-transitory computer readable medium including processor executable instructions which when executed by at least one processor cause said communications device to:

store in memory, beacon transmitter information, said beacon transmitter information including for a first beacon signal, information indicating;

i) a location of a first beacon transmitter and ii) a transmit power level of the first beacon signal;

determine, based on the location of a wireless device and information stored in the memory indicating the location of a first beacon transmitter, a beacon signal strength to be reported, said beacon signal strength to be reported being an expected received beacon signal strength of the first beacon signal at the location of said wireless device given the indicated location of said first beacon transmitter indicated by the information stored in said memory;

communicate a message indicating the determined received beacon signal strength to the wireless device or a component in said wireless device which acts upon received beacon signal information; and

change the stored beacon transmitter information to alter at least one of i) the location of the first beacon transmitter or ii) the transmit power level of the first beacon signal based on at least one of;

i) a schedule, ii) a location of a device associated with the first beacon transmitter, iii) a location of a group associated with the first beacon transmitter, iv) a size of geographic area occupied by said group associated with the first beacon transmitter, or v) a rate of motion of a group or individual associated with the first beacon transmitter.