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Radio resource control (RRC) connection processing method, terminal and network equipment

A technology of wireless resource control and network equipment, applied in the field of communication

Pending Publication Date: 2022-04-12
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a radio resource control RRC connection processing method, terminal and network equipment, and solves the problem that there is currently no solution for how to maintain the uniqueness of the UE RRC connection in the relay scenario

Method used

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  • Radio resource control (RRC) connection processing method, terminal and network equipment
  • Radio resource control (RRC) connection processing method, terminal and network equipment
  • Radio resource control (RRC) connection processing method, terminal and network equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0690] Embodiment 1: For a UE that has a direct RRC connection with the source network device, if it chooses to establish an indirect RRC connection with the target network device, the terminal decides to release the direct RRC connection between the UE and the source network device. The specific process is as follows Figure 12 shown.

[0691] Step 1: An RRC connection is established between the UE and the source network device through the Uu interface. For the convenience of description, the RRC connection is called a direct RRC connection.

[0692] Step 2: UE decides to release the direct RRC connection with the source network device.

[0693] In this implementation, the UE decides to release the direct RRC connection between the UE and the source network device by itself. There are several ways to determine the moment of the direct RRC connection release as follows:

[0694] Method 1: Protocol agreement, that is, when the UE releases the direct RRC connection is stipulat...

Embodiment 2

[0705] Embodiment 2: For a UE that has a direct RRC connection with the source network device, if it chooses to establish an indirect RRC connection with the target network device, the source network device decides to release the direct RRC connection between the UE and the source network device, specifically Process such as Figure 13 shown.

[0706] Step 1: The UE sends an RRC connection establishment request message to the target network device through the relay. In order to distinguish the difference from the direct RRC connection on the Uu interface, it is called an indirect RRC connection establishment request here.

[0707] Step 2: The target network device sends a response message corresponding to the indirect RRC connection establishment request to the UE through the relay.

[0708] Step 3: The UE sends an RRC connection release request message to the source network device through the Uu interface; specifically, after receiving the indirect RRC connection establishme...

Embodiment 3

[0710] Embodiment 3: For a UE that has a direct RRC connection with the source network device, if it chooses to establish an indirect RRC connection with the target network device, the source network device decides to release the direct RRC connection between the UE and the source network device. Process such as Figure 14 shown.

[0711] Step 1: The UE sends an RRC connection establishment request message to the network device through the relay. In order to distinguish the difference from the direct RRC connection on the Uu interface, it is called an indirect RRC connection establishment request here.

[0712] Optionally, the RRC connection establishment request message includes at least one or a combination of the following information:

[0713] UE identification information, such as C-RNTI;

[0714] All or part of the UE 5G-S-TMSI.

[0715] UE source serving cell identifier.

[0716] Step 2: The target network device sends an RRC connection release request message to th...

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Abstract

Provided are a radio resource control (RRC) connection processing method, a terminal and a network device, the method comprising: in the case that a first RRC connection exists between the terminal and a first network device, if the terminal determines to establish a second RRC connection with a second network device, determining that the second RRC connection is established between the terminal and the first network device; if yes, releasing a first RRC connection between the terminal and the first network device; wherein the first network device and the second network device are the same or different network devices; the first RRC connection and the second RRC connection are different RRC connections. According to the invention, the uniqueness of the terminal RRC connection in the relay scene is ensured.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a processing method, a terminal and a network device for a radio resource control RRC connection. Background technique [0002] In order to expand network coverage, a current solution is to introduce a relay (Relay). Relay can be a terminal with relay function. For example: for user equipment to network relay (UE-to-Network Relay), the interface between the relay terminal (UE) and the network device uses the Uu interface (wherein, U represents the user network interface: User to Network interface; u represents the universal : Universal), the interface between the relay UE and the relayed UE (or called the remote UE) uses a direct communication interface. For the remote UE, the link between the relay UE and the network device may be called a backhaul link (Backhaul link, BH link). For user equipment to user equipment relay (UE-to-UE relay), a direct communi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W76/10H04W76/34
Inventor 赵亚利
Owner DATANG MOBILE COMM EQUIP CO LTD
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