Synchronization for battery powered IoT networks

A device comprising:

• a memory configured to store instructions;
• and
• a processor configured to execute the instructions to:
• identify a plurality of Internet of Things (IoT) devices associated with a wireless IoT network, wherein the device is configured as a coordinator for the wireless IoT network;
• determine a clock error rate associated with the wireless IoT network;
• determine a last synchronization time;
• determine a data time period during which one or more of the plurality of IoT devices are expected to send data to the device;
• set a wakeup time period for the device based on the determined clock error rate, the determined last synchronization time, and the determined data time period;
• enter a sleep mode;
• exit the sleep mode when the wakeup time period begins;
• and
• perform a clock synchronization between the device and at least one of the plurality of IoT devices during the wakeup time period.

A non-transitory computer-readable memory device storing instructions executable by a processor associated with an Internet of Things (IoT) device, the non-transitory computer-readable memory device comprising:

• one or more instructions to identify a plurality of IoT devices associated with a wireless IoT network, wherein the IoT device is configured as a coordinator for the wireless IoT network;
• one or more instructions to determine a clock error rate associated with the wireless IoT network;
• one or more instructions to determine a last synchronization time;
• one or more instructions to determine a data time period during which one or more of the plurality of IoT devices are expected to send data to the device;
• one or more instructions to set a wakeup time period for the device based on the determined clock error rate, the determined last synchronization time, and the determined data time period;
• one or more instructions to enter a sleep mode;
• one or more instructions to exit the sleep mode when the wakeup time period begins;
• and
• one or more instructions to perform a clock synchronization between the device and at least one of the plurality of IoT devices during the wakeup time period.