METHOD AND SYSTEM FOR EVALUATION OF SENSOR OBSERVATIONS

• US 20140301276A1
• Filed: 10/28/2011
• Published: 10/09/2014
• Est. Priority Date: 10/28/2011
• Status: Active Grant

• Current Assignee: Telefonaktiebolaget LM Ericsson
• Original Assignee: Telefonaktiebolaget LM Ericsson
• Inventors: Carlsson, Richard, Huang, Vincent, Liu, Qingyan, Forgeat, Julien, Zhao, Sky
• Granted Patent: US 9,654,997 B2
• Time in Patent Office: Days
• US Class Current: 370/328
• CPC Class Codes: H04L 43/00 Arrangements for monitoring or testing data switching networks
• CPC Class Codes: H04L 67/12 specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports

Abstract

Method and sensor observation system (200), for reporting observations to data users (204) based on sensor data collected (2:1) from a network of sensors (202). A first observation report that originates from a sensor in the network, is provided (2:4) to a first data user and a rating with respect to quality of the first observation report is received (2:5) from the first data user. Rating information is then created (2:8) based on the received rating, and a second observation report originating from the same sensor and comprising said rating information is provided (2:10) to a second data user. The comprised rating information thus indicates reliability of the second observation report. Thereby, the second data user is enabled to estimate and use the second observation report depending on its reliability as indicated by the rating information.

Claims

1. A method in a sensor observation system for reporting observations to data users, said observations originating from sensor data collected from a network of sensors, the method comprising:

providing a first observation report originating from a sensor in the network to a first data user;

receiving a rating of the first observation report with respect to quality from the first data user;

creating rating information pertaining to reliability of said sensor, based on the rating received from the first data user; and

providing a second observation report originating from said sensor to a second data user, the second observation report comprising said rating information to indicate reliability of the second observation report.

2. The method according to claim 1, wherein the second observation report refers to the same observation as the first observation report.

3. The method according to claim 2, wherein said rating information refers to an aggregated rating of multiple ratings of observation reports on said same observation.

4. The method according to claim 1, wherein the second observation report refers to a different observation than the first observation report.

5. The method according to claim 4, wherein said rating information refers to an aggregated rating of multiple ratings of previous observation reports on different observations made by said sensor.

6. The method according to claim 5, wherein said aggregated rating is updated whenever a rating of an observation report originating from said sensor is received.

7. The method according to claim 1, wherein the collected sensor data is logged as observations linked to stored sensor information.

8. The method according to claim 7, wherein the observations are tagged with any of:

measured property, measured value, measured medium, said sensor information, and time of observation.

9. The method according to claim 1, wherein ratings received from data users are logged with reference to corresponding observations.

10. The method according to claim 9, wherein the ratings are tagged with user information.

11. A sensor observation system configured to report observations to data users, said observations originating from sensor data reported from a network of sensors, comprising:

an observation unit adapted to collect said sensor data from the network of sensors;

a presentation unit adapted to provide a first observation report originating from a sensor in the network to a first data user; and

a rating unit adapted to receive a rating of the first observation report with respect to quality from the first data user, and to create rating information pertaining to reliability of said sensor based on the rating received from the first data user,

wherein the presentation unit is further adapted to provide a second observation report originating from said sensor to a second data user, the second observation report comprising said rating information to indicate reliability of the second observation report.

12. The sensor observation system according to claim 11, wherein the second observation report refers to the same observation as the first observation report.

13. The sensor observation system according to claim 12, wherein said rating information refers to an aggregated rating of multiple ratings of observation reports on said same observation.

14. The sensor observation system according to claim 11, wherein the second observation report refers to a different observation than the first observation report.

15. The sensor observation system according to claim 14, wherein said rating information refers to an aggregated rating of multiple ratings of previous observation reports on different observations made by said sensor.

16. The sensor observation system according to claim 15, wherein the rating unit is further adapted to update said aggregated rating whenever a rating of an observation report originating from said sensor is received.

17. The sensor observation system according to claim 11, wherein the observation unit is further adapted to log the collected sensor data as observations linked to stored sensor information.

18. The sensor observation system according to claim 17, wherein the observation unit is further adapted to tag the observations with any of:

measured property, measured value, measured medium, said sensor information, and time of observation.

19. The sensor observation system according to claim 11, wherein the rating unit is further adapted to log ratings received from data users with reference to corresponding observations.

20. The sensor observation system according to claim 19, wherein the rating unit is further adapted to tag the ratings with user information.