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Method, driver and system for transmitting signals

A driver and signal technology, applied in the field of signal transmission, can solve the problem of high driver delay

Active Publication Date: 2018-08-17
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present application provides a signal transmission method, driver and system, which are used to solve the problem of high internal time delay of the driver used for link equalization in the prior art

Method used

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  • Method, driver and system for transmitting signals
  • Method, driver and system for transmitting signals
  • Method, driver and system for transmitting signals

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Embodiment Construction

[0037] The technical solution in this application will be described below with reference to the accompanying drawings.

[0038] The communication device referred to in the embodiment of the present application may be any communication device capable of complying with at least one interface protocol or at least one bus protocol. The communication device may be a chip, a circuit, or the like.

[0039] Two communication devices can communicate through an interface protocol or a bus protocol. Unless otherwise stated, any two communication devices among the two communication devices, different communication devices, at least one communication device, etc. referred to in the embodiments of the present application must follow the same interface protocol or the same bus protocol.

[0040] The two communication devices may be different types of devices. For example, one communication device may be a central processing unit (Central Process Unit, CPU), and the other communication devi...

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Abstract

The present application provides a method, a driver and a system for transmitting signals. The driver comprises: a data channel circuit, configured to implement equalization-based transparent transmission of signals between a first communication device and a second communication device under the action of a current phase locked loop; and a link adjustment circuit, configured to acquire signals transmitted in the data channel circuit, acquire link state information according to the acquired signals, configure, under the condition that the rate of a link is determined according to the link stateinformation to be changed, the working parameters of a target phase locked loop into working parameters corresponding to the changed rate, and switch the current phase locked loop to the target phaselocked loop under the condition that the link is detected to enter the rate change state; wherein the data channel circuit is further configured to implement transparent transmission of signals between the first communication device and the second communication device under the action of the target phase-locked loop. The above technical solution can reduce the delay in the signal transmission process.

Description

technical field [0001] The present application relates to the field of electronic information technology, and more specifically, to a signal transmission method, driver and system. Background technique [0002] The delay of data transmission between different communication devices has a great impact on user experience. In addition, the emergence of high-real-time application scenarios such as unmanned driving and face recognition has put forward higher requirements for low-latency data transmission between different communication devices. [0003] A currently feasible solution is to use low link loss plates or cables. However, replacing boards or cables to reduce link loss will lead to increased costs. Taking commonly used low-loss plates and extremely low-loss plates as examples, the cost of the latter is about 4 to 6 times that of the former. At the same time, limited by the performance of the board, replacing the board can only solve the interconnection within a specif...

Claims

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Application Information

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IPC IPC(8): H03L7/107H04L1/00H04L12/24H04L12/26
CPCH03L7/1077H04L1/0002H04L41/0823H04L43/0894H03L7/07H03L7/22H04L7/0058H04L7/0331H04L25/03057H04L69/24
Inventor 李永耀李建康喻军朱江罗飞
Owner HUAWEI TECH CO LTD