Secondary node adding/replacing method and equipment based on double/multi-connection

A replacement method and technology for secondary nodes, applied in connection management, transmission monitoring, electrical components, etc., can solve problems such as long consumption time, long dual/multiple connection establishment time, and data transmission delay.

Active Publication Date: 2020-08-07
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The present invention provides a method and device for adding / replacing a secondary node based on dual / multiple connections, which is used to solve the problem in the prior art that in a dual / multiple connection scenario, the process of adding or modifying a secondary node takes a long time. And it will cause data transmission delay, and the double / multiple connection establishment time is too long, which reduces the probability of using dual connection to transmit data

Method used

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  • Secondary node adding/replacing method and equipment based on double/multi-connection
  • Secondary node adding/replacing method and equipment based on double/multi-connection
  • Secondary node adding/replacing method and equipment based on double/multi-connection

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Embodiment 1

[0237] Such as Figure 5 As shown, based on the above scenario 1, scenario 2 and scenario 3, this embodiment provides a system for adding / replacing auxiliary nodes for dual / multi-connection, the system includes:

[0238] A master node MN501 is used to send an SN addition request to one / multiple secondary nodes SN503 in advance, receive the configuration information returned by the above-mentioned one / multiple SNs, and send the configuration information of the above-mentioned one / multiple SNs to the user terminal UE502, Obtain the SN that meets the connection condition determined by the UE after performing measurement and evaluation on the above one / multiple SNs.

[0239] UE502 is configured to receive configuration information of one / multiple secondary node SNs sent by MN501, perform measurement and evaluation on the above-mentioned one / multiple secondary node SNs according to the configuration information of the above-mentioned one / multiple secondary node SNs, and determine t...

specific Embodiment approach 1

[0304] As an optional implementation, the MN may initiate the SN preparation process to multiple SNs after receiving the previous measurement results sent by the UE, such as Figure 7 shown, including:

[0305] Step 0) Send an SN addition request to one / multiple secondary nodes SN based on the previous measurement results reported by the UE;

[0306] Step 0 above is an optional step ( Figure 7 marked with a dotted line), those skilled in the art can choose whether to implement it or not according to actual needs.

[0307] Step 1) MN initiates SN preparation process to multiple SNs;

[0308] The above-mentioned initiating SN preparation process can be performed after receiving the previous measurement result sent by the UE, or can be performed after the previous measurement result sent by the UE is not received.

[0309] Step 2a / b / c) MN sends SN addition request to multiple SNs;

[0310] Step 3a / b / c) Multiple SNs feed back SN addition request ACKs to the MN, carrying confi...

specific Embodiment approach 2

[0328] Specific embodiment 2 is another method of notifying the MN different from specific embodiment 1 for SNs that meet the conditions after the above-mentioned SN completes the configuration preparation process, such as Figure 8 shown, including:

[0329] Steps 0-6) are completely consistent with steps 0-6) in the above-mentioned specific embodiment 1;

[0330] Step 7) UE evaluates that SN1 satisfies the connection condition according to the measurement result, and decides to establish a wireless connection with SN1;

[0331] It should be understood that SN1 in this specific embodiment may actually be other SNs or multiple SNs;

[0332] Step 8) The UE initiates random access to the SN that meets the conditions, and establishes a wireless connection;

[0333] Step 9) After the SN that has completed the SN configuration preparation process accesses the UE, the SN notifies the MN that it has accessed the UE.

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Abstract

The invention discloses a secondary node adding / replacing method and equipment based on double / multi-connection, and relates to the technical field of wireless communication. The method is used for solving the problem in a double / multi-connection scene of wireless communication, the time consumed in the process of adding or modifying a secondary node is long, data transmission delay can be caused,and the probability of transmitting data by using double connection is reduced due to too long double / multi-connection establishment time. The method of the present invention comprises the steps of:a user terminal receives the configuration information of the one or more secondary nodes (SN) sent by a master node (MN), performs measurement evaluation on the one or more SN according to the configuration information of the one or more secondary nodes SN, determines the SN meeting the connection condition, and initiates a random access process to the SN meeting the connection condition.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method and device for adding / replacing secondary nodes based on dual / multiple connections. Background technique [0002] In wireless network technology, in a dual / multiple connection scenario where a master node MN (Master Node) is connected to one or more secondary nodes SN (Secondary Node), the SN connected to the user terminal UE is mainly added in the following three ways or replace: [0003] 1) The MN initiates the SN addition process; [0004] 2) The MN initiates the SN change process; [0005] 3) SN change process initiated by SN. [0006] In the above three ways of adding or replacing SNs, the network side needs to send configuration measurement information to the user terminal UE, and the UE evaluates the measurement results according to the configuration measurement information, and sends a measurement result report to the network side when i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/08H04W24/10H04W74/08H04W76/10H04W76/30H04B17/327H04B17/336H04B17/382
CPCH04W24/08H04W24/10H04W74/0833H04W76/10H04W76/30H04B17/327H04B17/336H04B17/382H04W76/15H04W36/0069H04W36/0088H04W76/27
Inventor 彦楠陈瑞卡
Owner DATANG MOBILE COMM EQUIP CO LTD
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