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Switching method, terminal, network equipment and relay

A technology of network equipment and terminals, which is applied in the field of communication, and can solve problems such as the infeasibility of the handover process

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

[0003] After the relay is introduced, for switching from direct connection to non-direct connection, or switching from non-direct connection to non-direct connection, since the terminal needs to connect to the network through the relay, the target communication link is divided into two sections: direct communication interface and Uu interface, so the existing process of handover based only on the measurement results of the Uu interface is not feasible

Method used

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  • Switching method, terminal, network equipment and relay
  • Switching method, terminal, network equipment and relay
  • Switching method, terminal, network equipment and relay

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0283] Example 1: The switching process of the connection between the terminal and the network from direct to indirect.

[0284] Such as Figure 5 As shown, the terminal (User Equipment, UE) and the source network equipment belonging to the source cell, and between the source network equipment and the core network perform uplink / downlink user data interaction.

[0285] Step 1. The UE obtains the first indication information from the candidate relay (relay). The method for the UE to obtain the first indication information from the relay may include but not limited to one of the following:

[0286] Way 1: Obtain the first indication information through a relay discovery related message broadcast by the candidate relay on the direct communication interface;

[0287] Manner 2: Obtain the first indication information through a direct communication interface radio resource control PC5-RRC message, wherein the terminal establishes a direct communication interface unicast connection ...

example 2

[0319] Example 2: The switching process of the connection between the terminal and the network from indirect to indirect.

[0320] Such as Image 6 As shown, the UE performs uplink / downlink user data interaction with the current serving source relay, the source relay and the source network device to which the source cell belongs, and the source network device and the core network.

[0321] In step a, the UE obtains the first indication information from the candidate relay (relay2), and the method for the UE to obtain the first indication information from relay2 may include but not limited to one of the following:

[0322] Mode 1: Obtain the first indication information through the relay discovery related message broadcast by relay2 on the direct communication interface;

[0323] Way 2: Obtain the first indication information through a direct communication interface radio resource control PC5-RRC message, wherein the terminal establishes a direct communication interface unicas...

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Abstract

The invention provides a switching method, a terminal, network equipment and a relay. The method comprises the following steps: acquiring first indication information from a candidate relay; sending the first indication information to a source network device to which a source cell belongs; wherein the first indication information is used for assisting the source network equipment in determining a first target cell and / or a first target relay switched by the terminal. According to the embodiment of the invention, the terminal acquires the first indication information from the candidate relay and reports the first indication information to the source network equipment to which the source cell belongs, and the first indication information can assist the source network equipment in determining the first target cell and / or the first target relay switched by the terminal, so that the source network equipment executes switching judgment. The invention provides a method for switching the terminal, which can ensure the service continuity when the terminal executes the switching from the direct connection to the indirect connection or executes the switching from the indirect connection to the indirect connection.

Description

technical field [0001] The present invention relates to the technical field of communication, and in particular to a switching method, a terminal, a network device and a relay. Background technique [0002] In the prior art, in order to expand network coverage, a relay (Relay) is introduced. The relay itself can be a terminal or a network device. For the case where the relay is a terminal, two types of relays are supported: UE-to-Network Relay and UE-to-UE Relay. For UE-to-NetworkRelay, the interface between the relay and the network device uses the Uu interface, and the interface between the relay and the relayed UE uses a direct communication interface; the link between the relay and the network is called a backhaul link (Backhaul link, BH). For UE-to-UE Relay, a direct communication interface is used between the relayed UE and the relay, and two relayed UEs can perform data transmission through the relay UE. A connection in which the UE accesses the network through a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/08H04W36/18H04W40/22
CPCH04W40/22H04W36/0055H04W36/083H04W36/03H04W88/04H04W40/36H04W36/18H04W36/08H04W36/304H04W36/00835
Inventor 赵亚利
Owner DATANG MOBILE COMM EQUIP CO LTD