Method and system for 5G NR user plane data volume information synchronization

Abstract

The invention records a method and system for 5G NR user plane data volume information synchronization, the method comprises the steps: in a GTP-U extension head of each data packet, a CU processing module adds information representing the size of a to-be-transmitted data volume according to a preset rule; a DU processing module is used for analyzing each GTP-U expansion head; analyzing to obtain whether information representing the size of the to-be-transmitted data volume is included or not; if yes, analyzing to obtain the size of the to-be-transmitted data volume; the DU function module adjusts flow control and / or scheduling by using the obtained data volume. According to the invention, the CU can actively report the to-be-transmitted downlink data volume cached by the CU; or according to internal logic requirements, the DU can actively trigger the CU to report the to-be-transmitted downlink data volume cached by the CU. The DU in the invention can utilize the downlink data volume information to be transmitted cached by the CU to achieve a better F1-U flow control effect and a better wireless resource scheduling effect.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, and in particular to a method and system for synchronizing 5G NR user plane data amount information. Background technique [0002] With the development of the mobile Internet, more and more devices are connected to the mobile network, and new services and applications emerge in an endless stream. The surge of mobile data traffic will bring severe challenges to the network. In order to meet the increasing demand for mobile traffic, the fifth generation (5th Generation, 5G) mobile communication network has emerged as the times require. 5G networks deliver faster data rates than wired internet, 100 times faster than previous 4G LTE cellular networks, and have lower network latency. [0003] In 4G LTE cellular network, the wireless protocol stack is as follows figure 1 In the single architecture shown, the 4G base station eNB located in the EUTRAN (Evolved Universal Terrestr...

AI Technical Summary

Problems solved by technology

The DU is responsible for processing real-time services, and cannot obtain the data information of the PDCP queue, and cannot know the amount of data to be buffered in the future

In this way, the user plane data obtained through the F1 interface in the DU is not comprehensive enough, so that subsequent tasks or resources cannot be adjusted in advance or more reasonably

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