Patent ID: 11968601
Assignee: ZAINAR, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC G  H  Y | IPC H

Claim 3:
4. The method of claim 1, further comprising:
during a third time period:
at the first node in the set of nodes:
based on a second trigger time in the sequence of trigger times, broadcasting a second unicast trigger, in the sequence of unicast triggers, via the ranging channel;

at the first asset tag:
based on a second wake window, in the sequence of wake windows, entering the wake mode;
in response to receiving the second unicast trigger via the ranging channel, transmitting a second ranging signal; and
in response to transmitting the second ranging signal, entering the sleep mode; and

at the set of nodes:
receiving the second ranging signal; and

deriving a second location of the first asset tag based on instances of the second ranging signal received by the set of nodes.