Invention Grant
- Patent Title: Managing time offset and frequency drift in asynchronous DOCSIS remote PHY network environments
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Application No.: US14685403Application Date: 2015-04-13
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Publication No.: US09722739B2Publication Date: 2017-08-01
- Inventor: John T. Chapman , Yi Tang , Lin Su , Tong Liu , Hang Jin
- Applicant: CISCO TECHNOLOGY, INC.
- Applicant Address: US CA San Jose
- Assignee: CISCO TECHNOLOGY, INC.
- Current Assignee: CISCO TECHNOLOGY, INC.
- Current Assignee Address: US CA San Jose
- Agency: Patent Capital Group
- Main IPC: H04J3/06
- IPC: H04J3/06 ; H04L5/00 ; H04L27/34 ; H04B3/54 ; H04L27/26 ; H04L12/801 ; H04L12/807 ; H04L12/28

Abstract:
An example method for managing time offset and frequency drift in asynchronous Data Over Cable Service Interface Specification (DOCSIS) Remote Physical layer (R-PHY) network environments is provided and includes receiving, at a first hardware device, time synchronization message from a remote second hardware device in the DOCSIS R-PHY network, determining a time difference between a first clock at the first hardware device and a second clock at the second hardware device from the time synchronization message; and re-stamping an event message based on the time difference.
Public/Granted literature
- US20150295669A1 MANAGING TIME OFFSET AND FREQUENCY DRIFT IN ASYNCHRONOUS DOCSIS REMOTE PHY NETWORK ENVIRONMENTS Public/Granted day:2015-10-15
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