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Information transmission method and device

A technology for information transmission and ordering, applied in the field of communication, can solve the problems of heavy PDCP layer processing load and reduce PDCP processing efficiency, and achieve the effect of reducing processing burden and ensuring processing efficiency

Active Publication Date: 2018-10-09
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this processing method may cause a large processing load at the PDCP layer and reduce the processing efficiency of PDCP

Method used

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  • Information transmission method and device
  • Information transmission method and device

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0023] An embodiment of the present invention provides an information transmission method, such as figure 1 shown, including:

[0024] Step 101: Receive the MAC layer protocol data unit PDU sent by the medium access control MAC layer, and extract the RLC PDU contained therein from the MAC layer PDU;

[0025] Step 102: when the number of all RLC PDUs is greater than 1, obtain the sequence number of each RLC PDU, and determine the arrangement order of each RLC PDU based on the sequence number;

[0026] Step 103: Based on the arrangement order, transmit the data packets contained in each RLC PDU to the PDCP layer.

[0027] Here, it should be pointed out that the application provided by this embodiment is applied to the device capable of performing the following functions, such as: connection control; segmentation / reassembly (that is, segmenting high-level PDU packets with different lengths (sending end ) recombination (receiving end) into smaller RLC load units (SDU, ie service...

Embodiment 2

[0072] An embodiment of the present invention provides an information transmission device, such as Figure 7 shown, including:

[0073] The receiving unit 71 is configured to receive the MAC layer protocol data unit PDU sent by the medium access control MAC layer, and extract the radio link control protocol RLC PDU contained in the MAC layer PDU;

[0074] A sorting unit 72, configured to obtain the sequence number of each RLC PDU when the number of the RLC PDUs is greater than 1, and determine the sequence of each RLC PDU based on the sequence number;

[0075] The transmission unit 73 is configured to transmit the data packets contained in each RLC PDU to the PDCP layer based on the sequence.

[0076] Here, it should be pointed out that the application provided by this embodiment is applied to the device capable of performing the following functions, such as: connection control; segmentation / reassembly (that is, segmenting high-level PDU packets with different lengths (sendin...

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Abstract

The invention discloses an information transmission method and device. The method comprises the steps that the MAC layer protocol data unit PDU transmitted by a media access control MAC layer is received, and the included wireless link control protocol RLC PDU is extracted by the MAC layer PDU; when the number of the RLC PDU is greater than 1, the serial number of each RLC PDU is acquired, and thesort order of each RLC PDU is determined based on the serial number; and the data packet included in each RLC PDU is transmitted to the PDCP layer based on the sort order.

Description

technical field [0001] The invention relates to information transmission technology in the communication field, in particular to an information transmission method and device. Background technique [0002] The 5G wireless network Radio Link Control protocol (RLC, Radio Link Control) protocol stipulates that the RLC layer has two data packet submission methods: according to the order received from the bottom layer (Media Access Control MAC layer) to the Packet Data Convergence Protocol (PDCP) , Packet Data Convergence Protocol) layer; the complete data packet PDCP protocol data unit (PDU) can be submitted to PDCP out of order. However, this processing manner may cause a large processing load of the PDCP layer and reduce the processing efficiency of the PDCP. Contents of the invention [0003] The main purpose of the present invention is to provide an information transmission method and device, aiming to solve the above-mentioned problems existing in the prior art. [0004...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
CPCH04L49/9057H04L69/322H04L69/324
Inventor 孙军帅王莹莹黄学艳陈卓易芝玲崔春风
Owner CHINA MOBILE COMM LTD RES INST
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