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State update method, node and user terminal

A user terminal and status update technology, applied in the field of communication, can solve the problem of low network transmission efficiency

Active Publication Date: 2018-07-13
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a state update method, node and user terminal, which solves the problem of low network transmission efficiency

Method used

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  • State update method, node and user terminal
  • State update method, node and user terminal
  • State update method, node and user terminal

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Embodiment Construction

[0152] see figure 1 , figure 1 It is a schematic diagram of a network structure applicable to the embodiment of the present invention, such as figure 1 As shown, it includes a user terminal (UE, User Equipment) 11, a centralized transmission node (central unit, CU) 12, a source distributed transmission node (distributed unit, DU) 13, and a target DU14, wherein the CU12 is in the embodiment of the present invention , which can also be called the first node. Wherein, the user terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), a personal digital assistant (personal digital assistant, PDA for short), a mobile Internet device (Mobile Internet Device, MID) or a For terminal-side devices such as wearable devices (Wearable Devices), it should be noted that the specific type of the user terminal 11 is not limited in this embodiment of the present invention. CU12 may be a node device including a PDCP layer, and source...

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Abstract

The embodiment of the invention provides a state update method, a node, and a user terminal. The method comprises the following steps that: if the user terminal needs to perform handover or reconfiguration, a first node acquires a transmission state of a radio link layer control protocol RLC layer of the user terminal; and the first node updates the transmission state of a packet data convergenceprotocol PDCP layer of the user terminal based on the transmission state of the RLC layer. By adoption of the state update method provided by the embodiment of the invention, the network transmissionefficiency can be improved.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a status update method, a node and a user terminal. Background technique [0002] In the future development of the mobile communication system, in order to better meet the needs of users and greatly increase the network capacity and throughput, more transmission nodes will be introduced, that is, the future network can be understood as an ultra-dense network. In an ultra-dense network, the distance between transmission nodes is relatively short, and the frequency of user equipment (UE, User Equipment) handover between transmission nodes, cell handover or dynamic reconfiguration within a transmission node is high. However, currently, when the UE is handed over or reconfigured, there will be a large number of retransmissions between the transmission node and the UE, resulting in low network transmission efficiency. Contents of the invention [0003] The purpose of ...

Claims

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Application Information

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IPC IPC(8): H04W36/00
CPCH04W36/0033H04W36/0055H04W36/0077
Inventor 刘佳敏
Owner DATANG MOBILE COMM EQUIP CO LTD