System, method and apparatus for testing long-distance frame time delay
A test frame and remote frame technology, applied in the field of communication, can solve the problems of time-consuming and labor-intensive communication protocols, the inability to solve the problem of common clock reference, and cumbersome calibration, etc., to achieve the effect of ensuring long-term stability
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[0025] In order to facilitate the understanding of the technical solutions provided by the embodiments of the present invention, first introduce the requirements of communication equipment manufacturers and communication service operators when testing large-scale and cross-geographical communication network services. This is because communication equipment manufacturers 、Communication service operators need to accurately measure the technical index of service delay to provide guidance for the selection of equipment and the optimization of network layout and wiring. The service delay mentioned here refers to the long-distance frame in the tested communication network or communication equipment The transmission delay on the
[0026] Generally speaking, for a large-scale cross-regional service delay test, there are usually the following requirements:
[0027] 1. Tests have high requirements for the accuracy of the clock system: A large number of tests for the core network and full-cl...
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