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Communication method and device

A communication method and a technology of a communication device, applied to transmitter/receiver shaping networks, digital transmission systems, electrical components, etc., capable of solving the problem of incompletely defined signal transmission interconnectivity of receiving devices, transmitting devices, and receiving devices , specification-only issues, etc.

Pending Publication Date: 2021-04-16
REALTEK SEMICON CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the standard fails to specify the signal processing method of the receiving device, it may cause interconnection problems in signal transmission between the transmitting device and the receiving device, and fail to achieve the expected communication effect
[0003] Taking IEEE 802.3's 10Gbit Ethernet (10GBASE-KR) technical standard as an example, in order to establish a stable connection, its Start-up Protocol uses the control function of the Physical Medium Dependent (PMD) (Control Function) Generate control commands (Control Actions), exchange data with corresponding devices to complete the training procedure (Training Procedure), and make the equalizer (equalizer) perform better to improve the interconnectivity (Interoperability) between devices, However, it only regulates the signal transmission method of the transmitting device, and does not fully define how the receiving device processes the signal, so the receiving device can only independently judge and process the noise and random interference suffered by the received signal

Method used

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  • Communication method and device
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Embodiment Construction

[0028] Please also see figure 1 as well as Figure 4 , figure 1 It is a schematic flowchart of an embodiment of a communication method in the present invention. Figure 4 It is a circuit block diagram of an embodiment of the communication device of the present invention. The communication device 20 is suitable for executing the communication method to complete a communication connection (Link Ready) with the corresponding device 30 , and the communication device and the corresponding device can normally send and receive data after completing the communication connection.

[0029] Please refer to Figure 4 , the communication device 20 includes a main control circuit 21 , a training circuit 22 , a transmitting circuit 24 , and a receiving circuit 26 . The corresponding device 30 has a transmitter and a receiver (not shown in the figure) corresponding to the receiving circuit 26 and the transmitting circuit 24 . After the communication device 20 is actuated (also referred t...

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Abstract

The invention discloses a communication method and a communication device adapted to perform the communication method. The communication method comprises the steps: initializing a link between the communication device and a corresponding device, responding to a trained program to obtain a trained process, and sending a training command string according to the trained process. Therefore, the corresponding device adjusts the emission characteristics according to the received training command string, and proper inter-device interconnection is realized.

Description

technical field [0001] The present invention relates to a communication method and its device, especially a communication method and an application device between communication devices. Background technique [0002] The existing data transmission interface aims to increase the data transmission rate. The traditional parallel transmission method has not been able to meet the high transmission rate. It has been replaced by a serial transmission interface. Among them, the serializer / deserializer (SerDes ) has gradually become the mainstream of the serial transmission interface, which converts multiple parallel low-speed signals into high-speed serial signals in the transmitting device, and uses time division multiplexing (TDM, Time Division Multiplexing) and point-to-point (P2P, Peer to Peer) The transmission mode is transmitted to the receiving device through the transmission medium, and then converted into multiple parallel low-speed signals. In theory, this sequencer / deseria...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00H04L25/03H04B1/40
Inventor 黄志弘
Owner REALTEK SEMICON CORP
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