Patent ID: 11902784
Assignee: ASSA ABLOY AB
Field: Control (Instruments)
Classification: CPC H  G | IPC G  H

Claim 8:
9. An access control system comprising:
a first access facility;
a second access facility;
a first reader configured to control access through the first access facility, receive a credential using a first communication protocol from a device that stores the credential, and establish a secret with the device using the first communication protocol, wherein the first communication protocol is a low energy wireless communication protocol; and
a second reader configured to control access through the second access facility, wherein the first reader is configured to provide the secret to the second reader either directly from the first reader to the second reader or through a controller connected between the first reader and the second reader, and wherein the second reader is further configured to perform ranging of the device using the secret and a second communication protocol different than the first communication protocol to identify intent information, wherein the second communication protocol is ultra-wide band (UWB);
wherein access through one of the first access facility or the second access facility is coordinated based on the intent information.