Patent ID: 11868949
Assignee: BLACKBERRY LIMITED
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 9:
10. An asset tracking device, the asset tracking device comprising:
a processor; and
a communications subsystem having an intelligent transportation system transceiver,, wherein the asset tracking device is configured to:
activate a receiver of the intelligent transportation system transceiver at the asset tracking device;
receive a plurality of intelligent transportation system messages using the receiver, each of the plurality of intelligent transportation system messages having a certificate identifier;
select an intelligent transportation system message from within the plurality of intelligent transportation system messages based on the certificate identifier observed most frequently;
determine that the certificate identifier from the selected intelligent transportation system message is found within a list of stored certificate identifiers at the asset tracking device;
based on determining that the certificate identifier is found within a list of stored certificate identifiers, determine a geographic position of the asset tracking device from geographic information within the intelligent transportation system message; and
report the determined geographic position to a remote server.