Patent ID: 9444567
Filing Date: 2016-09-13
CPC Classification: H04J,H04L,H04N,H04W

Claim Text:
1. A wireless network, comprising: a first wireless station comprising a first physical layer clock, a first software clock, and a first clock interface coupled to the first physical layer clock and to the first software clock; a second wireless station comprising a second physical layer clock, a second software clock, and a second clock interface coupled to the second physical layer clock and to the second software clock; and an access point having a third physical layer clock, wherein the access point is configured to encode and broadcast a beacon frame over the wireless network, the beacon frame comprising a timestamp derived from the third physical layer clock, wherein the first wireless station is configured to receive the beacon frame and decode the timestamp, to control the first physical layer clock in dependence on the timestamp, and the first clock interface is configured to control the first software clock in dependence on the first physical layer clock, and wherein the second wireless station is configured to receive the beacon frame and decode the timestamp, to control the second physical layer clock in dependence on the timestamp, and the second clock interface is configured to control the second software clock in dependence on the second physical layer clock, to synchronize the second software clock with the first software clock.