Network connection building method and circuit

Abstract

The invention discloses a network connection building method and circuit, and the method and circuit can prevent a connection process from being retained at a training stage. One embodiment of the method comprises the steps: at least one preceding step; a training step; and at least one later step. The above training step comprises any one or combination of the following sub-steps: counting a value, and returning to the preceding step if the counting of the value is completed and the state of a local side server is still not prepared; detecting whether there is a receiving signal or not according to a signal detection level, and returning to the preceding step of the receiving signal is not detected; judging one quasi-digit of the receiving terminal, and returning to the preceding step when the quasi-digit is less than an expected quasi-digit; comparing the signal to noise ratio of the receiving signal with a signal to noise ratio threshold value, and returning to the preceding step when the signal to noise ratio of the receiving signal does not reach the signal to noise ratio threshold value.

Description

technical field [0001] The present invention relates to a network connection establishment method and circuit, in particular to a network connection establishment method and circuit capable of preventing the connection process from staying in a training stage. Background technique [0002] With the emergence of more and more terminal applications, such as safety applications or entertainment applications, the automotive industry has an increasing demand for in-vehicle communication. At present, Ethernet technology has been regarded as a new-generation solution for vehicle network architecture, and the automotive industry has also established the OnePair Ethernet (OnePairEther-Net, OPEN) alliance and promoted the BroadR-Reach solution as a technical standard (hereinafter referred to as vehicle using an Ethernet solution). The automotive Ethernet solution will go through several stages in the process of establishing a connection, one of which is the training state (TrainingSt...

AI Technical Summary

Problems solved by technology

The automotive Ethernet solution will go through several stages in the process of establishing a connection, one of which is the training stage (TrainingState), which is used to confirm the state of the receiver at the two connection ends. However, if the network cable is in the training stage Sometimes it falls off due to vibration or is artificially removed. According to the current vehicle Ethernet solution, the entire connection process will be trapped in the training stage, unable to continue to the next stage, and unable to return to the previous stage, resulting in paralysis of the connection mechanism.

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