US-12621727-B2 - Method for indicating slice information, terminal device and network device

Abstract

A method for indicating slice information, a terminal device and a network device are provided. The method for indicating slice information includes: receiving first slice information from a network device. The first slice information includes at least one of: at least one first slice identification or at least one piece of first frequency point information.

Inventors

• Zhe Fu
• Shukun Wang

Assignees

• GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

Dates

Publication Date

20260505

Application Date

20230609

Claims (20)

1. 1 . A method for indicating slice information, comprising: receiving first slice information from a network device, wherein the first slice information comprises a plurality of first slice identifications, wherein a sequence of a plurality of frequency points corresponding to the plurality of first slice identifications is in a one-to-one correspondence with a sequence of a plurality of frequency points in a first specific system information block (SIB), and the first specific SIB is an SIB4.
2. 2 . The method of claim 1 , wherein each of the plurality of first slice identifications is an identification of a slice; or each of the plurality of first slice identifications is an identification of a group of slices.
3. 3 . The method of claim 1 , wherein a slice identification is indicated by a slice index; or a group of slice identifications is indicated by a slice index; or a group of slice identifications is indicated by a slice group index.
4. 4 . The method of claim 3 , further comprising: obtaining a correspondence between the slice identification and the slice index.
5. 5 . The method of claim 4 , wherein the correspondence is indicated by a non-access stratum (NAS) message.
6. 6 . The method of claim 1 , wherein the first slice information is carried in at least one of: a first SIB, a dedicated radio resource control (RRC) message or an NAS message, and the first SIB is a second specific SIB, and the second specific SIB is at least one SIB newly added in a protocol.
7. 7 . The method of claim 1 , further comprising: performing a random access process according to the first slice information; or performing a cell access or a cell reselection according to the first slice information.
8. 8 . A terminal device, comprising: a processor; and a memory for storing a computer program executable by the processor, wherein the processor is configured to execute the computer program to: receive first slice information from a network device, wherein the first slice information comprises a plurality of first slice identifications, wherein a sequence of a plurality of frequency points corresponding to the plurality of first slice identifications is in a one-to-one correspondence with a sequence of a plurality of frequency points in a first specific system information block (SIB), and the first specific SIB is an SIB4.
9. 9 . A network device comprising: a processor; and a memory for storing a computer program executable by the processor, wherein the processor is configured to execute the computer program to: transmit first slice information to a terminal device, wherein the first slice information comprises a plurality of first slice identifications, wherein a sequence of a plurality of frequency points corresponding to the plurality of first slice identifications is in a one-to-one correspondence with a sequence of a plurality of frequency points in a first specific system information block (SIB), and the first specific SIB is an SIB4.
10. 10 . The network device of claim 9 , wherein each of the plurality of first slice identifications is an identification of a slice; or each of the plurality of first slice identifications is an identification of a group of slices.
11. 11 . The method of claim 1 , wherein frequency point information of the plurality of frequency points corresponding to the plurality of first slice identifications comprises a frequency point priority.
12. 12 . The method of claim 1 , wherein the plurality of frequency points in the SIB4 are indicated before the plurality of first slice identifications are indicated in the first slice information.
13. 13 . The terminal device of claim 8 , wherein each of the plurality of first slice identifications is an identification of a slice; or each of the plurality of first slice identifications is an identification of a group of slices.
14. 14 . The terminal device of claim 8 , wherein a slice identification is indicated by a slice index; or a group of slice identifications is indicated by a slice index; or a group of slice identifications is indicated by a slice group index.
15. 15 . The terminal device of claim 8 , wherein frequency point information of the plurality of frequency points corresponding to the plurality of first slice identifications comprises a frequency point priority.
16. 16 . The terminal device of claim 8 , wherein the plurality of frequency points in the SIB4 are indicated before the plurality of first slice identifications are indicated in the first slice information.
17. 17 . The terminal device of claim 8 , wherein the first slice information is carried in at least one of: a first SIB, a dedicated radio resource control (RRC) message or an NAS message, and the first SIB is a second specific SIB, and the second specific SIB is at least one SIB newly added in a protocol.
18. 18 . The terminal device of claim 8 , wherein the processor is further configured to execute the computer program to: perform a random access process according to the first slice information; or perform a cell access or a cell reselection according to the first slice information.
19. 19 . The network device of claim 9 , wherein frequency point information of the plurality of frequency points corresponding to the plurality of first slice identifications comprises a frequency point priority.
20. 20 . The network device of claim 9 , wherein the plurality of frequency points in the SIB4 are indicated before the plurality of first slice identifications are indicated in the first slice information.

Description

CROSS-REFERENCE TO RELATED APPLICATION This application is a continuation of International Patent Application No. PCT/CN2020/142219, filed on Dec. 31, 2020, the disclosure of which is hereby incorporated by reference in its entirety. BACKGROUND A strong requirement for wireless communications in a vertical market is obvious to all. In order to meet the requirement of the vertical market on delay, mobility, reliability and location accuracy, network slicing is utilized to provide lower latency, more targeted, more flexible and more expandable solutions for multiple services with different requirements. How to indicate slice related information has become an urgent problem to be solved. SUMMARY The present disclosure relates to the technical field of communications, in particular, to a method for indicating slice information, a terminal device and a network device. Embodiments of the present disclosure provides a method for indicating slice information, a terminal device and a network device, and provides a plurality of schemes for indicating slice related information, to flexibly indicate slice information to the terminal device. In a first aspect, there is provided a method for indicating slice information is provided, the method includes receiving first slice information from a network device. The first slice information includes at least one of: at least one first slice identification or at least one piece of first frequency point information. In a second aspect, there is provided a terminal device, the terminal device includes a processor; and a memory for storing a computer program executable by the processor. The processor is configured to execute the computer program to perform the method for indicating slice information in the first aspect. In a third aspect, there is provided a network device, the network device includes a processor; and a memory for storing a computer program executable by the processor. The processor is configured to execute the computer program to transmit first slice information to a terminal device. The first slice information comprises at least one of: at least one first slice identification or at least one piece of first frequency point information. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a system architecture diagram of a communication system applied to an embodiment of the present disclosure. FIG. 2 is a schematic diagram of a method for indicating slice information provided in an embodiment of the present disclosure. FIG. 3 is a structural schematic diagram of a terminal device provided in an embodiment of the present disclosure. FIG. 4 is a structural schematic diagram of a network device provided in an embodiment of the present disclosure. FIG. 5 is a structural schematic diagram of a mobile phone provided in an embodiment of the present disclosure. FIG. 6 is a structural schematic diagram of a base station provided in an embodiment of the present disclosure. DETAILED DESCRIPTION The technical solutions in the embodiments of the disclosure will be described below in conjunction with the drawings in the embodiments of the disclosure. It is apparent that, the described embodiments are some of the embodiments of the disclosure rather than all of the embodiments. Based on the embodiments in the disclosure, all other embodiments obtained by those of ordinary skilled in the art without paying inventive efforts shall fall within the protection scope of the disclosure. In embodiments of the present disclosure, the words “exemplary” or “example” are used as examples, instances, or illustrations. Any embodiment or design scheme described as “exemplary” or “example” in embodiments of the present disclosure should not be construed as being preferred or more advantageous than other embodiments or design schemes. Rather, the use of the words “exemplary” or “example” is intended to present relevant concepts in a concrete manner. The term “and/or” used herein is only an association relationship describing associated objects, which means that there may be three relationships. For example, “A and/or B” may have three cases: only A exists, both A and B exist and only B exists. In addition, the character “/” used herein indicates that the associated objects are in an “or” relationship. For example, A/B denotes A or B. The following description briefly describes related technologies and some terms involved in the embodiments of the present disclosure. A strong requirement for wireless communications in a vertical market is obvious to all. In order to meet the requirement of the vertical market on delay, mobility, reliability and location accuracy, a radio access network (RAN) is required to be enhanced so as to support vertical services in the access network. One of the possible ways is to provide lower latency, more targeted, more flexible and more expandable solutions for multiple services with different requirements based on network slicing. More specifically, based on RAN slicing, ap