Sensor provisioning in wireless sensor networks
A method for sensor provisioning in a wireless sensor network includes determining, at a gateway, that no neighboring gateway is present; in response to no neighboring gateway present, measuring signal strengths from a plurality of sensors; based on the measured signal strengths, identifying a sensor from the plurality of sensors to be paired with the gateway; and in response to identifying the sensor, pairing the gateway and the sensor to enable a secured connection between the gateway and the sensor.
1. A method, comprising:
determining, at a gateway, that no neighboring gateway is present;
in response to determining that no neighboring gateway is present, starting, by the gateway, a sensor discovery process, wherein the sensor discovery process comprises:
measuring signal strengths from a plurality of sensors;
based on the measured signal strengths, identifying a sensor from the plurality of sensors to be paired with the gateway; and
in response to identifying the sensor, pairing the gateway and the sensor to establish a secured connection between the gateway and the sensor.
2. The method of claim 1 , further comprising:
receiving a whitelist from a server, the whitelist including security information for pairing the gateway and the sensor; and
in response to receiving the whitelist, pairing the gateway and the sensor based on the security information.
3. The method of claim 1 , wherein the gateway is in a first power saving mode and the sensor is in a second power saving mode.
4. The method of claim 3 , wherein the first and second power saving modes are time synchronized.
5. The method of claim 3 , wherein during the first power saving mode, the gateway wakes up at a regular time interval.
6. The method of claim 5 , wherein the sensor has no motion detection capability, and during the second power saving mode, the sensor wakes up at a same time interval as the gateway.
7. The method of claim 3 , wherein the sensor has a motion detection capability, and during the second power saving mode, the sensor wakes up in response to detecting a motion event.
8. The method of claim 1 , wherein the secured connection between the gateway and the sensor uses at least one of a Bluetooth, a Bluetooth Low Energy (BLE), an Institute of Electrical and Electronics Engineers (IEEE) 802.15.4, an IEEE 802.11, or a SubGHz technology.
9. A gateway, comprising:
a memory; and
at least one hardware processor communicatively coupled with the memory and configured to:
determine that no neighboring gateway is present;
in response to determining that no neighboring gateway is present, start a sensor discovery process, wherein the sensor discovery process comprises:
measuring signal strengths from a plurality of sensors;
based on the measured signal strengths, identifying a sensor from the plurality of sensors to be paired with the gateway; and
in response to identifying the sensor, pairing the gateway and the sensor to enable a secured connection between the gateway and the sensor.
10. The gateway of claim 9 , wherein the at least one hardware processor is further configured to:
receive a whitelist from a server, the whitelist including security information for pairing the gateway and the sensor; and
in response to receiving the whitelist, pair the gateway and the sensor based on the security information.
11. The gateway of claim 9 , wherein the gateway is in a first power saving mode and the sensor is in a second power saving mode, and the first and second power saving modes are time synchronized.
12. The gateway of claim 11 , wherein during the first power saving mode, the gateway wakes up at a regular time interval.
13. The gateway of claim 12 , wherein the sensor has no motion detection capability, and during the second power saving mode, the sensor wakes up at a same time interval as the gateway.
14. The gateway of claim 11 , wherein the sensor has a motion detection capability, and during the second power saving mode, the sensor wakes up in response to detecting a motion event.
15. A non-transitory computer-readable medium containing instructions which, when executed, cause a gateway to perform operations comprising:
determining that no neighboring gateway is present;
in response to determining that no neighboring gateway is present, starting, by the gateway, a sensor discovery process, wherein the sensor discovery process comprises:
measuring signal strengths from a plurality of sensors;
based on the measured signal strengths, identifying a sensor from the plurality of sensors to be paired with the gateway; and
in response to identifying the sensor, pairing the gateway and the sensor to enable a secured connection between the gateway and the sensor.
16. The non-transitory computer-readable medium of claim 15 , wherein the operations further comprise:
receiving a whitelist from a server, the whitelist including security information for pairing the gateway and the sensor; and
in response to receiving the whitelist, pairing the gateway and the sensor based on the security information.
17. The non-transitory computer-readable medium of claim 15 , wherein the gateway is in a first power saving mode and the sensor is in a second power saving mode, and the first and second power saving modes are time synchronized.
18. The non-transitory computer-readable medium of claim 17 , wherein during the first power saving mode, the gateway wakes up at a regular time interval.
19. The non-transitory computer-readable medium of claim 18 , wherein the sensor has no motion detection capability, and during the second power saving mode, the sensor wakes up at a same time interval as the gateway.
20. The non-transitory computer-readable medium of claim 17 , wherein the sensor has a motion detection capability, and during the second power saving mode, the sensor wakes up in response to detecting a motion event.