Signal synchronizing method and system, signal receiving device and signal sending device

Abstract

The embodiment of the invention provides a signal synchronizing method and a system, a signal receiving device and a signal sending device. The signal synchronizing method comprises: a receiving end receives signals which are transmitted by different paths and sent by a sending end; according to signal time delay deviation compensation depth obtained in the training mode in advance, the received signal transmitted by each path is performed with time delay deviation compensation; and the signal after the time delay deviation compensation is output so as to finish the synchronization of the signals transmitted by different paths. The embodiment of the invention carries out time delay deviation compensation on the signal received by the receiving end with the time delay deviation compensation method and outputs the signal so as to realize signal synchronization; and the embodiment of the invention does not need to process the signal, i.e. the operations, such as complex coding, channel multiplexing, synchronous head identification plug-in and the like, thus greatly simplifying the signal synchronizing process in the prior art.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a signal synchronization method and system, a signal receiving device and a signal sending device. Background technique [0002] In modern communication technology, the transmission of signals is developing rapidly in the direction of high speed and large capacity. Correspondingly, the interface rate supported by communication devices is getting higher and higher, and the number of integrated channels is also increasing. Between the end devices and between the channels, due to the difference in the parallel / serial processing time of the Serdes (parallel-serial and serial-parallel converter) interface, the difference in layout and wiring, the difference in the connectors passing through, and the influence of the transmission line effect, etc. The delay deviation (Skew) between them will directly cause the signal received by the receiving end to be out of sync. The ...

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Problems solved by technology

[0005] In the process of realizing the present invention, the inventor found that the prior art has at least the following problems: in each signal transmission process, it is necessary to insert a synchronization header mark on the data blocks split by the signal every time, so as to facilitate The receiving end sorts the data blocks according to the synchronization header identification to realize signal synchronization, which makes the signal synchronization process cumbersome

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