Granted Patent B2

US 9,877,295 · App. 14/892,825 · Granted Jan 23, 2018

Inventors: Yang Han (Singapore, SG); Shao Pin Hoo (Singapore, SG); Jiesheng Jason Cheow (Singapore, SG); Choong Yong Koh (Singapore, SG); See Ho Ting (Singapore, SG)

Assignee: Ruckus Wireless, Inc.

H04W64/00H04W4/043H04W24/10H04W84/12H04W88/02

Abstract

Claims (211)

1. A method for recording information from a plurality of mobile devices in an area, the method comprising:

listening for data packets from the plurality of mobile devices in a predetermined time period using a wireless device;

creating a record for containing addresses and signal strength readings associated with the plurality of mobile devices, the addresses and signal strength readings of the mobile devices being retrieved from data packets received by the wireless device when the wireless device is listening;

determining whether a data packet received by the wireless device during the predetermined time period is from a mobile device of the plurality of mobile devices;

when the data packet received by the wireless device during the predetermined time period is from the mobile device, determining whether an address associated with the mobile device is recorded in the record;

updating the record with the address associated with the mobile device and a signal strength reading associated with the mobile device if the address has not been previously recorded in the record during the predetermined time period;

updating, based on the number of times the record has been updated with a signal strength reading associated with the mobile device during the predetermined time period, the record with a signal strength reading associated with the mobile device the address of the mobile device was previously updated in the record, wherein the predetermined time period comprises:

a first time period for recording received addresses and signal strength readings associated with one or more of the plurality of mobile devices in the record for tracking footfall of the plurality of mobile devices in the area; and

a second time period for recording received addresses and signal strength readings associated with one or more of the plurality of mobile devices in a second record created and updated in same manner as the record for estimating location of one or more of the plurality of mobile devices in the area; and

estimating a location of the mobile device based on the record for tracking footfall of the plurality of mobile devices in the area without initiation by the mobile device and estimating a location of the mobile device based on the second record upon initiation by the mobile device, wherein number of times of recording signal strength readings in the record for tracking footfall of the plurality of mobile devices in the area is lesser than number of times of recording signal strength readings in the second record.

2. The method as claimed in claim 1 , the method comprising:

increasing a count associated with the address of the mobile device each time the record is updated as a result of the wireless device receiving a data packet from the mobile device during the predetermined time period, the count being reset at beginning of the predetermined time period.

3. The method as claimed in claim 2 , wherein updating of the record with a signal strength reading associated with the mobile device during the predetermined time period stops when the count reaches a predetermined number.

4. The method as claimed in claim 1 , wherein the wireless device communicates with the plurality of mobile devices based on Wireless Fidelity (WiFi) technology.

5. The method as claimed in claim 1 , the method comprising:

updating the record with a null signal strength reading if the address of the mobile device was previously updated in the record, and if a data packet is not received from the mobile device before a predetermined sampling time within the predetermined time period expires.

6. The method as claimed in claim 1 , the method comprising:

generating a report by

extracting all signal strength readings of the mobile device in the record;

discarding null signal strength reading, if any is present in the record; and

calculating a truncated mean value from the extracted and non-discarded signal strength readings of the mobile device.

7. The method as claimed in claim 6 , the method further comprising:

transmitting from the wireless device one or more data packets associated with the report to a collating application of a server for collating a collated report for the mobile device based on data of reports received by the server from the wireless device.

8. The method as claimed in claim 7 , wherein estimating of the location of the mobile device comprises:

formatting the collated report;

forwarding the collated report to a processor for calculating the estimated location of the mobile device based on data in the collated report; and

storing the estimated location in a database accessible by the mobile device via a network.

9. The method as claimed in claim 8 , the method further comprising:

generating footfall tracking analytics based on estimated locations of more than one of the plurality of mobile devices; and

storing the generated footfall tracking analytics in a footfall tracking database accessible by networked devices.

10. The method as claimed in claim 1 , the method further comprising:

transmitting the address of the mobile device to a data management application of a server via a data communication protocol requiring no acknowledgment from a receiver upon receiving a data message from a sender; and

updating the address received by the data management application in a server record, the server record residing in a memory accessible to the server.

11. The method as claimed in claim 10 , the operation of creating the record for containing addresses and signal strength readings associated with the plurality of mobile devices further comprising:

appending the address received by the data management application to a data message at the server;

sending the data message from the server to an agent application associated with the wireless device; and

adding the address retrieved from the data message received by the agent application in a third record residing in a memory accessible to the wireless device.

12. An apparatus for recording information from a plurality of mobile devices in an area, the apparatus comprising:

a wireless device configured to listen for data packets from the plurality of mobile devices in a predetermined time period; and

a processing unit configured to:

create a record for containing addresses and signal strength readings associated with the plurality of mobile devices, the addresses and signal strength readings of the mobile devices being retrieved from data packets received by the wireless device when the wireless device is listening;

determine whether a data packet received by the wireless device during the predetermined time period is from a mobile device of the plurality of mobile devices;

when the data packet received by the wireless device during the predetermined time period is from the mobile device, determine whether an address associated with the mobile device is recorded in the record;

update the record with the address associated with the mobile device and a signal strength reading associated with the mobile device if the address has not been previously recorded in the record during the predetermined time period;

update, based on the number of time the record has been updated with a signal strength reading associated with the mobile device during the predetermined time period, the record with a signal strength reading associated with the mobile device if the address of the mobile device was previously updated in the record, wherein the predetermined time period comprises:

a first time period for recording received addresses and signal strength readings associated with one or more of the plurality of mobile devices in the record for tracking footfall of the plurality of mobile devices in the area; and

a second time period for recording received addresses and signal strength readings associated with one or more of the plurality of mobile devices in a second record created and updated in same manner as the record for estimating location of one or more of the plurality of mobile devices in the area; and

estimate a location of the mobile device based on the record for tracking footfall of the plurality of mobile devices in the area without initiation by the mobile device and estimating a location of the mobile device based on the second record upon initiation by the mobile device, wherein number of times of recording signal strength readings in the record for tracking footfall of the plurality of mobile devices in the area is lesser than number of times of recording signal strength readings in the second record.

13. The apparatus as claimed in claim 12 , wherein the processing unit is configured to:

increase a count associated with the address of the mobile device each time the record is updated as a result of the wireless device receiving a data packet from the mobile device during the predetermined time period, the count being reset at beginning of the predetermined time period.

14. The apparatus as claimed in claim 13 , wherein updating of the record with a signal strength reading associated with the mobile device during the predetermined time period stops when the count reaches a predetermined number.

15. The apparatus as claimed in claim 12 , wherein the wireless device communicates with the plurality of mobile devices based on Wireless Fidelity (WiFi) technology.

16. The apparatus as claimed in claim 12 , wherein the processing unit is configured to update the record with a null signal strength reading if the address of the mobile device was previously updated in the record, and if a data packet is not received from the mobile device before a predetermined sampling time within the predetermined time period expires.

17. The apparatus as claimed in claim 12 , wherein the processing unit is configured to generate a report by:

extracting all signal strength readings of the mobile device in the record;

discarding null signal strength readings, if any are present in the record; and

calculating a truncated mean value from the extracted and non-discarded signal strength readings of the mobile device.

18. The apparatus as claimed in claim 17 , the apparatus further comprising a server and the wireless device is configured to:

transmit one or more data packets associated with the report to a collating application of the server for collating a collated report for the mobile device based on data of reports received by the server from the wireless device.

19. The apparatus as claimed in claim 18 , wherein the server is configured to estimate the location of the mobile device by:

formatting the collated report;

forwarding the collated report to a processor for calculating the estimated location of the mobile device based on data in the collated report; and

storing the estimated location in a database accessible to the mobile device via a network.

20. The apparatus as claimed in claim 19 , wherein the server is configured to:

generate footfall tracking analytics based on estimated locations of more than one of the plurality of mobile devices; and

store the generated footfall tracking analytics in a footfall tracking database accessible to networked devices.

21. The apparatus as claimed in claim 12 , wherein the mobile device is configured to:

transmit its address to a data management application run by a server, and

wherein the server is configured to:

update a server record with the address received by the data management application, the server record residing in a memory accessible to the server running the data management application.

22. The apparatus as claimed in claim 21 , wherein the server running the data management application is configured to:

append the address received by the data management application to a data message;

send the data message to an agent application associated with the wireless device; and

update the address retrieved from the data message received by the agent application in a third record residing in a memory accessible to the wireless device.

23. A method for recording information from a plurality of mobile devices in an area, the method comprising:

listening for data packets from the plurality of mobile devices in a predetermined time period using a wireless device;

creating a record for containing addresses and signal strength readings associated with the plurality of mobile devices, the addresses and signal strength readings of the mobile devices being retrieved from data packets received by the wireless device when the wireless device is listening;

determining whether a data packet received by the wireless device during the predetermined time period is from a mobile device of the plurality of mobile devices;

when the data packet received by the wireless device during the predetermined time period is from the mobile device, determining whether an address associated with the mobile device is recorded in the record;

updating the record with the address associated with the mobile device and a signal strength reading associated with the mobile device if the address has not been previously recorded in the record during the predetermined time period;

updating, based on the number of times the record has been updated with a signal strength reading associated with the mobile device during the predetermined time period, the record with a signal strength reading associated with the mobile device if the address of the mobile device was previously updated in the record; and

increasing a count associated with the address of the mobile device each time the record is updated as a result of the wireless device receiving a data packet from the mobile device during the predetermined time period, the count being reset at beginning of the predetermined time period, wherein updating of the record with a signal strength reading associated with the mobile device during the predetermined time period stops when the count reaches a predetermined number.

24. The method as claimed in claim 23 , wherein the wireless device communicates with the plurality of mobile devices based on Wireless Fidelity (WiFi) technology.

25. The method as claimed in claim 23 , wherein the predetermined time period comprises:

a first time period for recording received addresses and signal strength readings associated with one or more of the plurality of mobile devices in the record for tracking footfall of the plurality of mobile devices in the area; and

a second time period for recording received addresses and signal strength readings associated with one or more of the plurality of mobile devices in a second record created and updated in same manner as the record for estimating location of one or more of the plurality of mobile devices in the area.

26. The method as claimed in claim 23 , the method comprising:

updating the record with a null signal strength reading if the address of the mobile device was previously updated in the record, and if a data packet is not received from the mobile device before a predetermined sampling time within the predetermined time period expires.

27. The method as claimed in claim 23 , the method comprising:

generating a report by extracting all signal strength readings of the mobile device in the record;

discarding null signal strength readings, if any is present in the record; and

calculating a truncated mean value from the extracted and non-discarded signal strength readings of the mobile device.

28. The method as claimed in claim 27 , the method further comprising:

transmitting from the wireless device one or more data packets associated with the report to a collating application of a server for collating a collated report for the mobile device based on data of reports received by the server from the wireless device.

29. The method as claimed in claim 28 , wherein estimating of the location of the mobile device comprises:

formatting the collated report;

forwarding the collated report to a processor for calculating the estimated location of the mobile device based on data in the collated report; and

storing the estimated location in a database accessible by the mobile device via a network.

30. The method as claimed in claim 29 , the method further comprising:

generating footfall tracking analytics based on estimated locations of more than one of the plurality of mobile devices; and

storing the generated footfall tracking analytics in a footfall tracking database accessible by networked devices.

31. The method as claimed in claim 23 , the method further comprising:

transmitting the address of the mobile device to a data management application of a server via a data communication protocol requiring no acknowledgment from a receiver upon receiving a data message from a sender; and

updating the address received by the data management application in a server record, the server record residing in a memory accessible to the server.

32. The method as claimed in claim 31 , the operation of creating the record for containing addresses and signal strength readings associated with the plurality of mobile devices further comprising:

appending the address received by the data management application to a data message at the server;

sending the data message from the server to an agent application associated with the wireless device; and

adding the address retrieved from the data message received by the agent application in a third record residing in a memory accessible to the wireless device.

33. An apparatus that records information from a plurality of mobile devices in an area, the apparatus comprising:

a wireless device configured to listen for data packets from the plurality of mobile devices in a predetermined time period; and

a processing unit configured to:

create a record for containing addresses and signal strength readings associated with the plurality of mobile devices, the addresses and signal strength readings of the mobile devices being retrieved from data packets received by the wireless device when the wireless device is listening;

determine whether a data packet received by the wireless device during the predetermined time period is from a mobile device of the plurality of mobile devices;

when the data packet received by the wireless device during the predetermined time period is from the mobile device, determine whether an address associated with the mobile device is recorded in the record;

update the record with the address associated with the mobile device and a signal strength reading associated with the mobile device if the address has not been previously recorded in the record during the predetermined time period;

update, based on the number of times the record has been updated with a signal strength reading associated with the mobile device during the predetermined time period, the record with a signal strength reading associated with the mobile device if the address of the mobile device was previously updated in the record; and—

increase a count associated with the address of the mobile device each time the record is updated as a result of the wireless device receiving a data packet from the mobile device during the predetermined time period, the count being reset at beginning of the predetermined time period, wherein updating of the record with a signal strength reading associated with the mobile device during the predetermined time period stops when the count reaches a predetermined number.

34. The apparatus as claimed in claim 33 , wherein the wireless device communicates with the plurality of mobile devices based on Wireless Fidelity (WiFi) technology.

35. The apparatus as claimed in claim 33 , wherein the predetermined time period comprises a first time period for recording received addresses and signal strength readings associated with one or more of the plurality of mobile devices in the record for tracking footfall of the plurality of mobile devices in the area, and a second time period for recording received addresses and signal strength readings associated with one or more of the plurality of mobile devices in a second record created and updated in same manner as the record for estimating location of one or more of the plurality of mobile devices in the area.

36. The apparatus as claimed in claim 33 , wherein the processing unit is configured to update the record with a null signal strength reading if the address of the mobile device was previously updated in the record, and if a data packet is not received from the mobile device before a predetermined sampling time within the predetermined time period expires.

37. The apparatus as claimed in claim 33 , wherein the processing unit is configured to generate a report by:

extracting all signal strength readings of the mobile device in the record;

discarding null signal strength readings, if any are present in the record; and

calculating a truncated mean value from the extracted and non-discarded signal strength readings of the mobile device.

38. The apparatus as claimed in claim 37 , the apparatus further comprising a server and the wireless device is configured to:

transmit one or more data packets associated with the report to a collating application of the server for collating a collated report for the mobile device based on data of reports received by the server from the wireless device.

39. The apparatus as claimed in claim 38 , wherein the server is configured to estimate the location of the mobile device by:

formatting the collated report;

forwarding the collated report to a processor for calculating the estimated location of the mobile device based on data in the collated report; and

storing the estimated location in a database accessible to the mobile device via a network.

40. The apparatus as claimed in claim 39 , wherein the server is configured to:

generate footfall tracking analytics based on estimated locations of more than one of the plurality of mobile devices; and

store the generated footfall tracking analytics in a footfall tracking database accessible to networked devices.

41. The apparatus as claimed in claim 33 , wherein the mobile device is configured to:

transmit its address to a data management application run by a server, and

wherein the server is configured to:

update a server record with the address received by the data management application, the server record residing in a memory accessible to the server running the data management application.

42. The apparatus as claimed in claim 41 , wherein the server running the data management application is configured to:

append the address received by the data management application to a data message;

send the data message to an agent application associated with the wireless device; and

update the address retrieved from the data message received by the agent application in a third record residing in a memory accessible to the wireless device.

43. A method for recording information from a plurality of mobile devices in an area, the method comprising:

listening for data packets from the plurality of mobile devices in a predetermined time period using a wireless device;

creating a record for containing addresses and signal strength readings associated with the plurality of mobile devices, the addresses and signal strength readings of the mobile devices being retrieved from data packets received by the wireless device when the wireless device is listening;

determining whether a data packet received by the wireless device during the predetermined time period is from a mobile device of the plurality of mobile devices; and

when the data packet received by the wireless device during the predetermined time period is from the mobile device:

determining whether an address associated with the mobile device is recorded in the record;

updating the record with the address associated with the mobile device and a signal strength reading associated with the mobile device if the address has not been previously recorded in the record during the predetermined time period;

updating, based on the number of times the record has been updated with a signal strength reading associated with the mobile device during the predetermined time period, the record with a signal strength reading associated with the mobile device if the address of the mobile device was previously updated in the record; and

updating the record with a null signal strength reading if the address of the mobile device was previously updated in the record, and if a data packet is not received from the mobile device before a predetermined sampling time within the predetermined time period expires.

44. The method as claimed in claim 43 , the method comprising:

increasing a count associated with the address of the mobile device each time the record is updated as a result of the wireless device receiving a data packet from the mobile device during the predetermined time period, the count being reset at beginning of the predetermined time period.

45. The method as claimed in claim 43 , wherein the wireless device communicates with the plurality of mobile devices based on Wireless Fidelity (WiFi) technology.

46. The method as claimed in claim 43 , wherein the predetermined time period comprises:

a first time period for recording received addresses and signal strength readings associated with one or more of the plurality of mobile devices in the record for tracking footfall of the plurality of mobile devices in the area; and

a second time period for recording received addresses and signal strength readings associated with one or more of the plurality of mobile devices in a second record created and updated in same manner as the record for estimating location of one or more of the plurality of mobile devices in the area.

47. The method as claimed in claim 43 , the method comprising:

generating a report by extracting all signal strength readings of the mobile device in the record;

discarding null signal strength readings, if any is present in the record; and

calculating a truncated mean value from the extracted and non-discarded signal strength readings of the mobile device.

48. The method as claimed in claim 43 , the method further comprising:

transmitting from the wireless device one or more data packets associated with the report to a collating application of a server for collating a collated report for the mobile device based on data of reports received by the server from the wireless device.

49. The method as claimed in claim 48 , wherein estimating the location of the mobile device comprises:

formatting the collated report;

forwarding the collated report to a processor for calculating the estimated location of the mobile device based on data in the collated report; and

storing the estimated location in a database accessible by the mobile device via a network.

50. The method as claimed in claim 49 , the method further comprising:

generating footfall tracking analytics based on estimated locations of more than one of the plurality of mobile devices; and

storing the generated footfall tracking analytics in a footfall tracking database accessible by networked devices.

51. The method as claimed in claim 43 , the method further comprising:

transmitting the address of the mobile device to a data management application of a server via a data communication protocol requiring no acknowledgment from a receiver upon receiving a data message from a sender; and

updating the address received by the data management application in a server record, the server record residing in a memory accessible to the server.

52. The method as claimed in claim 51 , the operation of creating the record for containing addresses and signal strength readings associated with the plurality of mobile devices further comprising:

appending the address received by the data management application to a data message at the server;

sending the data message from the server to an agent application associated with the wireless device; and

adding the address retrieved from the data message received by the agent application in a third record residing in a memory accessible to the wireless device.

53. An apparatus that records information from a plurality of mobile devices in an area, the apparatus comprising:

a wireless device configured to listen for data packets from the plurality of mobile devices in a predetermined time period; and

a processing unit configured to:

create a record for containing addresses and signal strength readings associated with the plurality of mobile devices, the addresses and signal strength readings of the mobile devices being retrieved from data packets received by the wireless device when the wireless device is listening;

determine whether a data packet received by the wireless device during the predetermined time period is from a mobile device of the plurality of mobile devices; and

when the data packet received by the wireless device during the predetermined time period is from the mobile device:

determine whether an address associated with the mobile device is recorded in the record;

update the record with the address associated with the mobile device and a signal strength reading associated with the mobile device if the address has not been previously recorded in the record during the predetermined time period;

update, based on the number of times the record has been updated with a signal strength reading associated with the mobile device during the predetermined time period, the record with a signal strength reading associated with the mobile device if the address of the mobile device was previously updated in the record; and

update the record with a null signal strength reading if the address of the mobile device was previously updated in the record, and if a data packet is not received from the mobile device before a predetermined sampling time within the predetermined time period expires.

54. The apparatus as claimed in claim 53 , wherein the processing unit is configured to:

increase a count associated with the address of the mobile device each time the record is updated as a result of the wireless device receiving a data packet from the mobile device during the predetermined time period, the count being reset at beginning of the predetermined time period.

55. The apparatus as claimed in claim 53 , wherein the wireless device communicates with the plurality of mobile devices based on Wireless Fidelity (WiFi) technology.

56. The apparatus as claimed in claim 53 , wherein the predetermined time period comprises a first time period for recording received addresses and signal strength readings associated with one or more of the plurality of mobile devices in the record for tracking footfall of the plurality of mobile devices in the area, and a second time period for recording received addresses and signal strength readings associated with one or more of the plurality of mobile devices in a second record created and updated in same manner as the record for estimating location of one or more of the plurality of mobile devices in the area.

57. The apparatus as claimed in claim 53 , wherein the processing unit is configured to generate a report by:

extracting all signal strength readings of the mobile device in the record;

discarding null signal strength readings, if any are present in the record; and

calculating a truncated mean value from the extracted and non-discarded signal strength readings of the mobile device.

58. The apparatus as claimed in claim 57 , the apparatus further comprising a server and the wireless device is configured to:

transmit one or more data packets associated with the report to a collating application of the server for collating a collated report for the mobile device based on data of reports received by the server from the wireless device.

59. The apparatus as claimed in claim 58 , wherein the server is configured to estimate the location of the mobile device by:

formatting the collated report;

forwarding the collated report to a processor for calculating the estimated location of the mobile device based on data in the collated report; and

storing the estimated location in a database accessible to the mobile device via a network.

60. The apparatus as claimed in claim 59 , wherein the server is configured to:

generate footfall tracking analytics based on estimated locations of more than one of the plurality of mobile devices; and

store the generated footfall tracking analytics in a footfall tracking database accessible to networked devices.

61. The apparatus as claimed in claim 53 , wherein the mobile device is configured to:

transmit its address to a data management application run by a server, and

wherein the server is configured to:

update a server record with the address received by the data management application, the server record residing in a memory accessible to the server running the data management application.

62. The apparatus as claimed in claim 61 , wherein the server running the data management application is configured to:

append the address received by the data management application to a data message;

send the data message to an agent application associated with the wireless device; and

update the address retrieved from the data message received by the agent application in a third record residing in a memory accessible to the wireless device.

Assignments (16)

Continuity (1)