KR-102963104-B1 - User terminal access method, device, user terminal and storage medium

KR102963104B1KR 102963104 B1KR102963104 B1KR 102963104B1KR-102963104-B1

Abstract

The present disclosure provides a method for connecting to a user terminal, an apparatus, a user terminal, and a storage medium. A target relay user terminal receives a connection establishment request message transmitted from the user terminal via a sidelink communication interface. The connection establishment request message carries an identity identifier of the user terminal, and the identity identifier of the user terminal indicates whether the user terminal is a remote user terminal or a relay user terminal. Through the present method, when there is a user terminal attempting to connect to a target relay user terminal, the target relay user terminal can be ensured to accurately recognize the identity information of the user terminal attempting to connect. Accordingly, normal operation of the system is ensured by using an operation corresponding to the identity of the user terminal.

Inventors

자오 야리

Assignees

다탕 모바일 커뮤니케이션즈 이큅먼트 코포레이션 리미티드

Dates

Publication Date: 20260508
Application Date: 20220727
Priority Date: 20210810

Claims (20)

In a method for connecting a user terminal, it is applied to a target relay user terminal, and A method for connecting a user terminal, characterized by including the step of receiving a connection establishment request message transmitted from a user terminal through a sidelink communication interface, wherein the connection establishment request message carries an identity identifier of the user terminal, and the identity identifier of the user terminal is for indicating whether the user terminal operates as a remote user terminal or a relay user terminal after connecting to the target relay user terminal.
In paragraph 1, A method for connecting to a user terminal, characterized by further including the step of performing a target operation corresponding to the identity identifier of the user terminal based on the identity identifier of the user terminal.
In paragraph 1, The above connection establishment request message carries first instruction information and indicates whether the user terminal operates as a remote user terminal or a relay user terminal through the value of the first instruction information; Alternatively, a user terminal connection method characterized in that the connection establishment request message optionally carries second instruction information and indicates whether the user terminal operates as a remote user terminal or a relay user terminal through whether the second instruction information is carried.
In paragraph 2 or 3, The step of performing a target operation corresponding to the identity identifier of the user terminal based on the identity identifier of the user terminal is: When it is confirmed that the above user terminal operates as a remote user terminal, a step of establishing a side-link communication interface connection with the above user terminal; If it is confirmed that the above user terminal operates as a relay user terminal, A step of establishing a sidelink communication interface connection with the above-mentioned user terminal and transmitting an instruction message to at least one of a target network device, a target remote user terminal, and a previous-hop relay user terminal; or, A step of establishing a sidelink communication interface connection with the above-mentioned user terminal and updating its own routing table; or, The method includes the steps of: establishing a sidelink communication interface connection with the user terminal; transmitting a command message to at least one device among a target network device, a target remote user terminal, and a previous-hop relay user terminal; establishing a sidelink communication interface connection with the user terminal; and updating its own routing table. A user terminal connection method characterized in that, wherein the instruction message is intended to instruct the target network device, the target remote user terminal, or the previous hop relay user terminal to update a corresponding routing table.
In any one of paragraphs 1 through 3, A method for connecting a user terminal, characterized in that when the user terminal operates as a relay user terminal, the connection establishment request message further includes relay capability indication information of the user terminal, or a relay operation mode used by the user terminal after connecting to the target relay user terminal, or relay capability indication information of the user terminal and a relay operation mode used by the user terminal after connecting to the target relay user terminal.
In paragraph 5, A step of determining the relay operation mode used by the user terminal after connecting to the target relay user terminal based on relay capability instruction information of the user terminal carried in the above connection establishment request message; or A step of transmitting a response message corresponding to the connection establishment request message to the user terminal, wherein the response message carries third instruction information, and the third instruction information is for indicating a relay operation mode used by the user terminal after connecting to the target relay user terminal; or, A step of determining a relay operation mode used by the user terminal after connecting to the target relay user terminal based on relay capability instruction information of the user terminal carried in the connection establishment request message; and a step of transmitting a response message corresponding to the connection establishment request message to the user terminal, wherein the response message carries third instruction information, and the third instruction information is for indicating a relay operation mode used by the user terminal after connecting to the target relay user terminal; A user terminal connection method characterized by further including
Regarding the method of connecting to a user terminal, it is applied to the user terminal, and A method for connecting a user terminal, characterized by including the step of transmitting a connection establishment request message to a target relay user terminal through a sidelink communication interface, wherein the connection establishment request message carries an identity identifier of the user terminal, and the identity identifier of the user terminal is for indicating whether the user terminal operates as a remote user terminal or a relay user terminal after connecting to the target relay user terminal.
In Paragraph 7, Before the step of transmitting a connection establishment request message to the target relay user terminal through the above sidelink communication interface, A user terminal connection method characterized by further including the step of determining the target relay user terminal based on the identity of the user terminal.
In paragraph 8, The step of determining the target relay user terminal based on the identity of the user terminal is as follows: If the above user terminal operates as a remote user terminal, a step of selecting one relay user terminal from relay user terminals satisfying a first preset condition and making it the target relay user terminal; or, If the above user terminal operates as a relay user terminal, N relay user terminals are selected from relay user terminals satisfying a second preset condition and set as the target relay user terminal, wherein N is an integer greater than or equal to 1; the method includes the step of, wherein, The above second preset condition is, The relay operation mode supported by the above user terminal includes the relay operation mode currently used by the target relay user terminal; A user terminal connection method characterized by including at least one of the following: the channel quality of the sidelink communication interface between the user terminal and the target relay user terminal is higher than a preset threshold.
In Paragraph 7, The above connection establishment request message carries first instruction information and indicates whether the user terminal operates as a remote user terminal or a relay user terminal through the value of the first instruction information; Alternatively, the connection establishment request message optionally carries second instruction information, and indicates whether the user terminal operates as a remote user terminal or a relay user terminal through whether the second instruction information is carried; a user terminal connection method characterized by.
In any one of paragraphs 7 through 10, A method for connecting a user terminal, characterized in that when the user terminal operates as a relay user terminal, the connection establishment request message further comprises relay capability indication information of the user terminal, or a relay operation mode used by the user terminal after connecting to the target relay user terminal, or relay capability indication information of the user terminal and a relay operation mode used by the user terminal after connecting to the target relay user terminal.
In Paragraph 11, A step of receiving a relay discovery message broadcast by the target relay user terminal, wherein the relay operation mode of the target relay user terminal is carried in the relay discovery message; A user terminal connection method characterized by further including the step of determining the relay operation mode used by the user terminal after connecting to the target relay user terminal, based on the relay operation mode of the target relay user terminal.
In Paragraph 12, After the step of determining the relay operation mode used by the above user terminal after connecting to the above target relay user terminal, A user terminal connection method characterized by further including the step of receiving a response message corresponding to the connection establishment request message transmitted from the target relay user terminal, wherein the response message carries third instruction information, and the third instruction information is for indicating a relay operation mode used by the user terminal after connecting to the target relay user terminal.
In a user terminal connection device, applied to a target relay user terminal, A user terminal connection device characterized by including a receiving module that receives a connection establishment request message transmitted from a user terminal through a sidelink communication interface, wherein the connection establishment request message carries an identity identifier of the user terminal, and the identity identifier of the user terminal is for indicating whether the user terminal operates as a remote user terminal or a relay user terminal after connecting to the target relay user terminal.
In a user terminal connection device, applied to a user terminal, A user terminal connection device characterized by including a transmission module that transmits a connection establishment request message to a target relay user terminal through a sidelink communication interface, wherein the connection establishment request message carries an identity identifier of the user terminal, and the identity identifier of the user terminal is for indicating whether the user terminal operates as a remote user terminal or a relay user terminal after connecting to the target relay user terminal.
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Description

User terminal access method, device, user terminal and storage medium The present disclosure relates to the field of communication technology, and in particular to a method for connecting a user terminal, an apparatus, a user terminal, and a storage medium. The present disclosure claims priority to a Chinese patent application filed with the Chinese Patent Office on August 10, 2021, with application number 202110914994.8 and titled "Method for connecting a user terminal, apparatus, user terminal and storage medium," all of which are incorporated into the present disclosure by reference. In 5G NR (New Radio) systems, UE-to-Network Relay and UE-to-UE Relay have been introduced to expand the network coverage range. Here, the relay user terminal (Relay UE) is a user terminal within the network coverage range, and the remote user terminal may be within the network coverage range or outside the network coverage range. For UE-to-Network relay, the remote user terminal can connect to the network device through the relay user terminal; and for UE-to-UE relay, the remote user terminal can connect to the target user terminal through the relay user terminal. Conventional technology supports only single-hop relaying; that is, a user terminal connects to a network device or target user terminal through a single-hop relay user terminal. To support more flexible network topologies in the future, multi-hop relaying may be introduced, but there is currently no clear method for how to establish relay connections in multi-hop scenarios. In order to more clearly explain the technical method according to the present disclosure or the prior art, the following briefly introduces the accompanying drawings necessary for describing the embodiments or prior art. The accompanying drawings described below are merely some embodiments of the present disclosure, and it is obvious to those skilled in the art that other accompanying drawings can be derived from these drawings without creative labor. FIG. 1 is a diagram showing an application scenario of a user terminal connection method provided in the prior art. FIG. 2 is a diagram showing an application scenario of a user terminal connection method provided in an embodiment of the present disclosure. FIG. 3 is a first diagram showing a signaling interaction of a user terminal connection method provided in an embodiment of the present disclosure. FIG. 4 is a second diagram showing the signaling interaction of the user terminal connection method provided in an embodiment of the present disclosure. FIG. 5 is a third figure showing a signaling interaction of a user terminal connection method provided in an embodiment of the present disclosure. FIG. 6 is a first structural diagram showing a user terminal connection device provided in an embodiment of the present disclosure. FIG. 7 is a second structural diagram showing a user terminal connection device provided in an embodiment of the present disclosure. FIG. 8 is a structural diagram showing a relay user terminal provided in an embodiment of the present disclosure. FIG. 9 is a structural diagram showing a user terminal provided in an embodiment of the present disclosure. In this disclosure, the term "and/or" describes the relationship between related objects and indicates that three relationships may exist; for example, A and/or B may represent three cases: A existing alone, A and B existing simultaneously, or B existing alone. The symbol "/" generally indicates that the related objects are in an "or" relationship. In embodiments of this disclosure, the term "plural" indicates two or more, and other terms are similar. In the following, technical solutions according to embodiments of the present disclosure are described clearly and completely in conjunction with the accompanying drawings. It is evident that the described embodiments are merely some embodiments of the present disclosure and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without creative labor, based on the embodiments according to the present disclosure, fall within the scope of protection of the present disclosure. In 5G NR (New Radio) systems, UE-to-Network Relay and UE-to-UE Relay have been introduced to expand the network coverage range. Here, the relay user terminal (Relay UE) is a user terminal within the network coverage range, and the remote user terminal may be within the network coverage range or outside the network coverage range. For UE-to-Network relay, the remote user terminal can connect to the network device through the relay user terminal; and for UE-to-UE relay, the remote user terminal can connect to the target user terminal through the relay user terminal. FIG. 1 is a diagram showing an application scenario of a user terminal connection method among the prior art. As shown in FIG. 1, the scenario includes a remote user terminal (101), a relay user terminal (102), and a target device (103). In actual applications,