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

Claim 8:
9. The method of claim 8, further comprising:
during a third time period preceding the second time period:
at the first node in the set of nodes, broadcasting the first unicast trigger via the ranging channel;
at the first asset tag:
entering the wake mode for a duration of the first wake window;
in response to receiving the first unicast trigger via the ranging channel, transmitting a second ranging signal via the ranging channel; 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.