The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2014
Filed:
Jun. 25, 2012
Bingbo LI, Shenzhen, CN;
Long Jiang, Shenzhen, CN;
Wenguang Xu, Shenzhen, CN;
Wenhua Sun, Santa Clara, CA (US);
Yuanxin Xu, Hangzhou, CN;
Shumin Chen, Hangzhou, CN;
Yang Wang, Hangzhou, CN;
Chuangang Wang, Hangzhou, CN;
Bingbo Li, Shenzhen, CN;
Long Jiang, Shenzhen, CN;
Wenguang Xu, Shenzhen, CN;
Wenhua Sun, Santa Clara, CA (US);
Yuanxin Xu, Hangzhou, CN;
Shumin Chen, Hangzhou, CN;
Yang Wang, Hangzhou, CN;
Chuangang Wang, Hangzhou, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A time synchronization method includes: after sending a synchronization message to the opposite end, sending a following message where an ending time for sending the synchronization message is recorded; receiving a delay request message sent by the opposite end, and sending a delay response message where the initial time for receiving the delay request message is recorded; receiving the synchronization message and the following message, and recording the initial time for receiving the synchronization message and the ending time recorded in the following message for sending the synchronization message; sending a delay request message, and recording an ending time for sending the delay request message; receiving a delay response message, and recording an initial time recorded in the delay response message for the opposite end to receive the delay request message; calculating the time offset value between the two ends, and completing time synchronization.