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Method and device for determining parameters

A technology for determining parameters and determining units, which is applied in the field of communication, can solve the problem of inflexible determination of pre-emphasis parameters, and achieve the effect of avoiding the risk of bit errors

Active Publication Date: 2021-03-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the above scheme, the way to determine the pre-emphasis parameters is not flexible enough

Method used

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  • Method and device for determining parameters
  • Method and device for determining parameters
  • Method and device for determining parameters

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Embodiment Construction

[0148] The technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the embodiments of the present invention, those skilled in the art can obtain other embodiments without making creative efforts.

[0149] figure 1 is a schematic structural diagram of a serdes link provided by an embodiment of the present invention. The Serdes link may include a serializer 104, a finite impulse response (Finite Impulse Response, FIR) filter 105, a transmitter 106, an equalizer 111, a clock data recovery circuit (Clock and Data Recovery Circuit, CDR) 112 and a deserializer 113. figure 1 The auxiliary function module for the serdes link shown also includes multiple selectors such as figure 1 The multiple selector 101, the multiple selector 103 and the multiple selector 108 in ...

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Abstract

Embodiments of the present invention provide methods and devices for determining parameters. The method includes: determining a first compensation value of a signal to be sent by the sending circuit; and determining a pre-emphasis parameter to be used by the sending circuit when sending the signal according to the first compensation value. Compared with the prior art, the technical solutions provided by the embodiments of the present invention can flexibly determine the pre-emphasis parameters.

Description

technical field [0001] The present invention relates to the communication field, and more specifically, to a method and device for determining parameters in the communication field. Background technique [0002] Transmitting circuits and receiving circuits are components in a network device. Network devices communicate through transmitting and receiving circuits. For example, router 1 sends a packet to router 2 through the sending circuit. Router 2 receives the packet sent by Router 1 through the receiving circuit. A serializer / deserializer (Serializer / Deserializer, Serdes) is an interface for realizing high-speed communication. Serdes can be applied in network devices such as routers and switches. For example, a serializer may be included in the transmission circuit of the router 1 . The deserializer may be included in the receiving circuit of the router 2 . [0003] In order to improve the signal-to-noise ratio of the transmitted signal, the transmitting circuit may ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04L25/49
CPCH04L1/0033H04L25/49
Inventor 唐晓岩丁超
Owner HUAWEI TECH CO LTD