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Method and device for data transmission

A data transmission and data packet technology, applied in the field of data transmission, can solve the problem that the acceleration scheme of the network card cannot be applied to the 5G wireless network, and achieve the effect of improving processing performance, reducing processing delay, and meeting equipment requirements

Active Publication Date: 2021-04-16
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention provides a data transmission method and device to solve the problem that the acceleration scheme of the network card in the prior art cannot be applied to the 5G wireless network

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  • Method and device for data transmission
  • Method and device for data transmission
  • Method and device for data transmission

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments . Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] In the embodiment of the present invention, in the receiving direction, after the data packets received by the FPGA module in the network card through the external interface are processed by the physical layer and the MAC layer, the IP protocol flow is classified according to the protocol type, the protocol processing or group packet is accelerated, and the required The data packet processed by the service device is forwarded to the ...

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Abstract

The invention discloses a data transmission method and equipment, which are used to solve the problem that the acceleration scheme of the network card in the prior art cannot be applied to the 5G wireless network. The FPGA module in the network card in the embodiment of the present invention first classifies according to the protocol types supported by the data packets, and then processes the data packets according to the corresponding protocol types, classifies and merges IP layer data streams, and fragments and reassembles UDP layer data packets. Since the FPGA module is used in the embodiment of the present invention to process or accelerate fragment recombination of data packets of different protocol types in network transmission, there is no need for a general-purpose server CPU to implement network protocol functions, so the processing resource requirements for the server CPU can be reduced, reducing The processing delay of the server network transmission protocol greatly improves the server processing performance and can meet the equipment requirements of 5G wireless services.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a data transmission method and equipment. Background technique [0002] Research on 5G wireless network technology is currently a hot spot in the communication field, and the 5G network performance indicators defined by 3GPP (3rd Generation Partnership Project, the third generation mobile communication standardization organization) (mobile user experience rate of 1Gbps order, 1 million connections / square kilometers, and the service plane delay is less than 1ms) poses a huge challenge to the existing wireless communication technology. [0003] The 5G wireless network will be a cloud network based on the C-RAN (Radio Access Network, wireless access network) architecture. OTN (Optical Transport Network, Optical Transport Network) optical network, midhaul bearer and backhaul bearer adopt OTN+IPRAN (IP Radio Access Network, IP-based wireless access network) transmissio...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCH04L69/18H04L69/22
Inventor 张永宪
Owner DATANG MOBILE COMM EQUIP CO LTD