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Uplink information transmission path determination method and terminal

A path determination and information transmission technology, applied in wireless communication, electrical components, etc., can solve problems such as transmission failure, uplink information cannot be sent directly from UE, and secondary node addition failure

Active Publication Date: 2020-07-28
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For dual connectivity / multi-connection of different systems, different base stations serving UE may have different capabilities, and the channel coverage of a certain base station may be limited, which will cause some necessary uplink information to be unable to be sent directly from the UE to the UE that should be received. A base station for these information, such as a secondary node, will cause problems such as failure to add a secondary node, or failure to transmit after subsequent connection establishment

Method used

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  • Uplink information transmission path determination method and terminal
  • Uplink information transmission path determination method and terminal
  • Uplink information transmission path determination method and terminal

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Embodiment Construction

[0044] Before the method for determining the uplink information transmission path of the embodiment of the present invention is described in detail, the application architecture of the embodiment of the present invention is briefly described first.

[0045] During the deployment of the fifth-generation mobile communication system (5G) network, the 5G cell can be used as a macro coverage independent network, or as a small cell to provide coverage and capacity for the existing Long Term Evolution (LTE, Long Term Evolution) network. enhanced. No matter which networking method is adopted, dual connectivity technology can be used to realize the interconnection between LTE system and 5G system, thereby improving the utilization rate of wireless resources of the entire mobile network system, reducing the delay of system switching, and improving user and system performance. The embodiment of the present invention is applicable to a dual-connection application scenario in which a termi...

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Abstract

The embodiment of the invention discloses an uplink information transmission path determination method and a terminal. The method comprises the steps that the terminal judges whether a triggering condition is met or not; when judging that the triggering condition is met; and switching a transmission path of uplink transmission information from a first link corresponding to a first node to a secondlink corresponding to a second node, and sending the uplink transmission information to the second node through the second link so that the second node forwards the uplink transmission information tothe first node.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method for determining an uplink information transmission path and a terminal. Background technique [0002] Evolved Universal Mobile Telecommunications System (UMTS, Universal Mobile Telecommunications System) Terrestrial Radio Access (E-UTRA, Evolved-UMTS Terrestrial Radio Access)-New Radio (NR, New Radio) Dual-Connectivity (DC, Dual-Connectivity) (referred to as EN-DC), the user equipment (UE, UserEquipment) first establishes a connection with the master node, and then initiates random access to the slave node during the process of adding the slave node. Uplink and downlink messages are transmitted on the link. [0003] For dual connectivity / multi-connection of different systems, different base stations serving UE may have different capabilities, and the channel coverage of a certain base station may be limited, which will cause some necessary uplink ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/08H04W36/30
CPCH04W36/0011H04W36/08H04W36/0083H04W36/30
Inventor 刘潇蔓陈卓陈俊黄学艳
Owner CHINA MOBILE COMM LTD RES INST