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A signal transmission method, device and system

A signal transmission device and signal transmission technology are applied in the field of communication to achieve the effect of improving transmission efficiency and saving transmission resources

Active Publication Date: 2021-10-26
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the existing network architecture, the transmission performance of different services in the optical transport network is the same. How to more effectively carry services with different transmission performance requirements in the optical transport network is also a problem

Method used

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  • A signal transmission method, device and system
  • A signal transmission method, device and system
  • A signal transmission method, device and system

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Embodiment Construction

[0036] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0037] figure 1 It is a schematic diagram of the network structure when the low-speed service is transmitted on the network. Taking the ZigBee service as an example, the ZigBee service needs to be aggregated layer by layer before being sent to the optical transport network for transmission. For example, the rate of ZigBee signals is 250Kb / s. At the ZigBee central node, the n-channel ZigBee signals are first aggregated into 10 / 100M Ethernet services, and then the 10 / 100M Ethernet services are aggregated at the access switch / router Converge into GE (1Gb / s Ethernet) services, then converge GE services into 10GE (10Gbps Ethernet) services at the aggregation switch / router, and encapsulate 10GE into OTU2 (Optical channel Transport Unit-2, ...

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Abstract

An embodiment of the present invention provides a signal transmission method, including: receiving at least one first client signal and at least one second client signal; compressing the bit rate required for transmission of at least one first client signal, and inserting at least one second client signal data, or replace part of the data in the at least one first client signal with the data of at least one second client signal to form at least one composite signal; and send at least one composite signal. Embodiments of the present invention also provide corresponding signal transmission devices and transmission systems. The embodiment of the present invention realizes the transmission of the second client signal without affecting the transmission of the first client signal, improves the transmission efficiency, and saves transmission resources at the same time.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a signal transmission method, device and system. Background technique [0002] With the rapid growth of network traffic, the bit rate corresponding to a single wavelength or single channel in the optical transport network is increasing. For example, the bit rate of a single wavelength is gradually upgraded from 10Gb / s (Gigabytes per second) to 100Gb / s. However, there are still relatively low-speed services in the network, and the market space for these services is still very large. For example, the bit rate of ZigBee (Zigbee Protocol) is hundreds of kb / s (kb / s, Kilobyte per second), and the bit rate of WiFi is hundreds of Mb / s (Mb / s, Megabyteper second). ZigBee is used for the Internet of Things, and WiFi (Wireless Fidelity, Wireless Fidelity) can be used for broadband access. The market space for both the Internet of Things and broadband access is very larg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04J3/16
CPCH04J3/1652H04L1/0006H04J3/16H04L1/00
Inventor 操时宜
Owner HUAWEI TECH CO LTD
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