Wearable biosensor devices with adaptive power consumption
One disclosed example method includes receiving sensor data from a biosensor; determining an event using a first analysis based on the sensor data, the first analysis having a first power cost; determining to perform a second analysis based on the event; in response to determining to perform the second analysis, performing the second analysis based on the sensor data, the second analysis having a second power cost greater than the first power cost; and wirelessly transmitting results of the second analysis to a remote device.
1. A method comprising:
receiving sensor data from a biosensor;
determining an event using a first analysis based on the sensor data, the first analysis having a first computational complexity and a first power cost;
determining to perform a second analysis based on the event;
in response to determining to perform the second analysis, performing the second analysis based on second sensor data received from the biosensor, the second analysis having a second computational complexity greater than the first computational complexity and having a second power cost greater than the first power cost; and
wirelessly transmitting results of the second analysis to a remote device.
2. The method of claim 1 , further comprising:
determining an urgency of the results of the second analysis;
in response to determining that the urgency meets or exceeds a threshold, activating a radio subsystem; and
wherein the wirelessly transmitting occurs in response to determining the urgency meets or exceeds the threshold, the wirelessly transmitting using the radio subsystem.
3. The method of claim 2 , further comprising deactivating the radio subsystem after the wirelessly transmitting the results to the remote device completes.
4. The method of claim 2 , wherein the radio subsystem comprises a Bluetooth transceiver.
5. The method of claim 1 , further comprising:
in response to determining to perform the second analysis:
changing a mode of operation of the biosensor from a first resolution to a second resolution, the second resolution higher than the first resolution;
receiving high-resolution sensor data; and
wherein the second sensor data comprises the high-resolution sensor data.
6. The method of claim 5 , further comprising, after completing the second analysis, changing the mode of operation of the biosensor to the first resolution from the second resolution.
7. The method of claim 6 , wherein the first resolution comprises a first sampling rate and the second resolution comprises a second sampling rate, the second sampling rate higher than the first sampling rate.
8. The method of claim 1 , wherein the biosensor comprises a temperature sensor, a pulse sensor, an SpO 2 sensor, a blood pressure sensor, or an accelerometer.
9. The method of claim 1 , further comprising storing the first or second sensor data.
10. A device comprising:
a biosensor;
a radio subsystem;
a non-transitory computer-readable medium; and
a processor communicatively coupled to the biosensor, the radio subsystem, and the non-transitory computer-readable medium, the processor configured to execute processor-executable instructions stored in the non-transitory computer-readable medium to:
receive first sensor data from a biosensor;
determine an event using a first analysis based on the sensor data, the first analysis having a first computational complexity and a first power cost;
determine to perform a second analysis based on the event;
in response to a determination to perform the second analysis, perform the second analysis based on second sensor data received from the biosensor, the second analysis having a second computational complexity greater than the first computational complexity and having a second power cost greater than the first power cost; and
wirelessly transmit, using the radio subsystem, results of the second analysis to a remote device.
11. The device of claim 10 , wherein the processor is further configured to execute processor-executable instructions stored in the non-transitory computer-readable medium to:
determine an urgency of the results of the second analysis;
in response to a determination that the urgency meets or exceeds a threshold, activate the radio subsystem; and
wherein the wirelessly transmitting occurs in response to determining the urgency meets or exceeds the threshold, the wireless transmitting using the radio subsystem.
12. The device of claim 11 , wherein the processor is further configured to execute processor-executable instructions stored in the non-transitory computer-readable medium to deactivate the radio subsystem after the wirelessly transmitting the results to the remote device completes.
13. The device of any of claim 11 , wherein the radio subsystem comprises a Bluetooth transceiver.
14. The device of claim 10 , wherein the processor is further configured to execute processor-executable instructions stored in the non-transitory computer-readable medium to:
in response to a determination to perform the second analysis:
change a mode of operation of the biosensor from a first resolution to a second resolution, the second resolution higher than the first resolution;
receive high-resolution sensor data; and
wherein the second sensor data comprises the high-resolution sensor data.
15. The device of claim 14 , wherein the processor is further configured to execute processor-executable instructions stored in the non-transitory computer-readable medium to, after completing the second analysis, change the mode of operation of the biosensor to the first resolution from the second resolution.
16. The device of claim 15 , wherein the first resolution comprises a first sampling rate and the second resolution comprises a second sampling rate, the second sampling rate higher than the first sampling rate.
17. The device of claim 10 , wherein the biosensor comprises a temperature sensor, a pulse sensor, an SpO 2 sensor, a blood pressure sensor, or an accelerometer.
18. The device of claim 10 , wherein the processor is further configured to execute processor-executable instructions stored in the non-transitory computer-readable medium to store the sensor data in the non-transitory computer-readable medium.
19. A non-transitory computer-readable medium comprising processor executable instructions configured to cause a processor to:
receive first sensor data from a biosensor;
determine an event using a first analysis based on the first sensor data, the first analysis having a first computational complexity and a first power cost;
determine to perform a second analysis based on the event;
in response to a determination to perform the second analysis, perform the second analysis based on second sensor data received from the biosensor, the second analysis having a second computational complexity greater than the first computational complexity and having a second power cost greater than the first power cost; and
wirelessly transmit results of the second analysis to a remote device.
20. The non-transitory computer-readable medium of claim 19 , wherein the processor is further configured to execute processor-executable instructions stored in the non-transitory computer-readable medium to:
determine an urgency of the results of the second analysis;
in response to a determination that the urgency meets or exceeds a threshold, activate a radio subsystem; and
wherein the wirelessly transmitting occurs in response to determining the urgency meets or exceeds the threshold, the wireless transmitting using the radio subsystem.
21. The non-transitory computer-readable medium of claim 20 , wherein the processor is further configured to execute processor-executable instructions stored in the non-transitory computer-readable medium to deactivate the radio subsystem after the wirelessly transmitting the results to the remote device completes.
22. The non-transitory computer-readable medium of claim 20 , wherein the radio subsystem comprises a Bluetooth transceiver.
23. The non-transitory computer-readable medium of claim 19 , wherein the processor is further configured to execute processor-executable instructions stored in the non-transitory computer-readable medium to:
in response to a determination to perform the second analysis:
change a mode of operation of the biosensor from a first resolution to a second resolution, the second resolution higher than the first resolution;
receive high-resolution sensor data; and
wherein the second sensor data comprises the high-resolution sensor data.
24. The non-transitory computer-readable medium of claim 14 , wherein the processor is further configured to execute processor-executable instructions stored in the non-transitory computer-readable medium to, after completing the second analysis, change the mode of operation of the biosensor to the first resolution from the second resolution.
25. The non-transitory computer-readable medium of claim 15 , wherein the first resolution comprises a first sampling rate and the second resolution comprises a second sampling rate, the second sampling rate higher than the first sampling rate.
26. The non-transitory computer-readable medium of claim 19 , wherein the biosensor comprises a temperature sensor, a pulse sensor, an SpO 2 sensor, a blood pressure sensor, or an accelerometer.
27. The non-transitory computer-readable medium of any of claim 19 , wherein the processor is further configured to execute processor-executable instructions stored in the non-transitory computer-readable medium to store the first or second sensor data in a non-transitory computer-readable medium.