摘要
For Time Division Synchronous Code Division Multiple Access （TD-SCDMA） and Time Division Long Term Evolution （TD-LTE） wireless systems, using Global Positioning System （GPS） for time synchronization is problematic. In these wireless systems, GPS is costly, insecure, and difficult to deploy. Nowadays, transportation of high precision time/phase synchronization signals via fiber, and based on Precision Time Protocol （PTP） has become mainstream technology. This paper analyzes the main factors affecting time synchronization in a Packet Transport Network （PTN） adopting IEEE 1588v2. Laboratory experiments and field tests prove the feasibility of transporting high precision time synchronization signals through a PTN adopting I EEE 1588v2. A comparison is also made between different networking modes for a PTN adopting IEEE 1588v2.
For Time Division Synchronous Code Division Multiple Access （TD-SCDMA） and Time Division Long Term Evolution （TD-LTE） wireless systems, using Global Positioning System （GPS） for time synchronization is problematic. In these wireless systems, GPS is costly, insecure, and difficult to deploy. Nowadays, transportation of high precision time/phase synchronization signals via fiber, and based on Precision Time Protocol （PTP） has become mainstream technology. This paper analyzes the main factors affecting time synchronization in a Packet Transport Network （PTN） adopting IEEE 1588v2. Laboratory experiments and field tests prove the feasibility of transporting high precision time synchronization signals through a PTN adopting I EEE 1588v2. A comparison is also made between different networking modes for a PTN adopting IEEE 1588v2.
