Patent ID: 11968638
Assignee: CISCO TECHNOLOGY, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method comprising:
obtaining, by an Access Point (AP), a Timing Synchronization Function (TSF)-based time stamp, wherein obtaining the TSF-based time stamp comprises:
performing Fine Timing Measurement (FTM) exchange with a client device, and
creating the TSF-based time stamp comprising a time standard version of t1 and t4 from the FTM exchange, wherein t1 comprises a first Coordinated Universal Time (UTC) at sending of a FTM frame, and wherein t4 comprises a second UTC time at receipt of an acknowledgment frame from the client device acknowledging receipt of the FTM frame;

placing the TSF-based time stamp in an Information Element (IE) that was intended to contain follow up information; and
transmitting the IE.