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Data transmission method and sending end

A data transmission method and data transmission technology are applied in the field of data transmission methods and senders, and can solve the problems of low data transmission efficiency, small bandwidth, and SCTP transmission chain collapse.

Active Publication Date: 2019-11-26
DATANG MOBILE COMM EQUIP CO LTD
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  • Claims
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Problems solved by technology

[0006] However, the above inter-station transmission method may cause the following problems of low data transmission efficiency:
[0007] When the network status is good, when high reliability requires a large amount of data transmission, since the sender uses the SCTP communication method, and the communication method has a small bandwidth, packet loss will occur in data transmission at this time, and in severe cases, it will Further crashes the SCTP transport chain between CU and DU
[0008] In the case of poor network status, even if the amount of data transmission that is not sensitive to reliability requirements is small, the UDP communication method used by the originator will cause a large amount of packet loss, making the packet loss rate beyond the tolerance range of the base station

Method used

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  • Data transmission method and sending end

Examples

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Effect test

example 1

[0108] Example 1: If the DU determines that the current network status level is high according to the acquired network status parameters, the DU further determines that the reliability level threshold is 6. Since 5 is less than 6, the DU transmits the first data in UDP communication mode, such as image 3 shown.

example 2

[0109] Example 2: If the DU determines that the current network state level is medium according to the obtained network state parameters, then the DU only determines that the reliability level threshold is 4. Since 5 is greater than 4, the DU uses the STCP communication method to transmit the first data, such as Figure 4 shown.

[0110] From the above examples 1 and 2, it can be seen that although the reliability level of the first data is relatively high, when the network status is good, the DU is transmitted in the UDP communication mode, which can avoid the result (1) in Table 1. situation, thereby improving the transmission efficiency of the DU for transmitting the first data. When the network status is relatively poor, the DU is transmitted in SCTP communication mode, so as to ensure that the DU normally sends the first data, and also ensures the transmission efficiency of the first data.

[0111] Example 2, when the DU needs to send the second data to the CU, the DU d...

example 3

[0112] Example 3: If the DU determines that the current network state parameter is low according to the acquired network state parameter, then the DU further determines that the reliability level threshold is 2. Since 3 is greater than 2, the DU uses the SCTP communication method to transmit the second data, such as Figure 5 shown.

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Abstract

The invention discloses a data transmission method and a sending end, which are used for improving the data transmission efficiency during inter-station data transmission. In this method, the sendingend in a base station needs to comprehensively consider the network state between a CU and a DU and the reliability level of the data. A communication mode is flexibly selected to transmit the data tothe receiving end, so that the problems of SCTP transmission chain crash and over-high packet loss rate caused by the fact that the communication mode is selected only according to the reliability requirement of the data in the prior art can be avoided, and the data transmission efficiency during inter-station data transmission can be improved.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a data transmission method and a sending end. Background technique [0002] The distribution forms of base stations include integrated and distributed, etc. Among them, each base station of the traditional integrated type is self-contained; the base station and supporting settings are all located in the computer room, and the distributed base station is divided into two parts, namely the remote radio frequency unit (remote radio unit, RRU) and baseband processing unit (baseband unit, BBU). In the third generation (3 rd -generation, 3G) and the fourth generation (4 th -generation, 4G) mobile communication systems, the base stations are generally distributed. [0003] At present, mobile communication technology has developed from 4G to the fifth generation (5 th -generation, 5G). Based on the traditional distributed base station, the 5G mobile communication...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/04H04W24/08H04L1/00H04L29/06
CPCH04L1/0006H04L69/165H04W24/04H04W24/08
Inventor 赵木华林坤
Owner DATANG MOBILE COMM EQUIP CO LTD
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