Method for splitting end-to-end QoS requirement information, terminal, and network side device

Patent metadata

Field	Value
Publication number	US-12538182-B2
Application number	US-202318153523-A
Country	US
Kind code	B2
Filing date	Jan 12, 2023
Priority date	Jul 31, 2020
Publication date	Jan 27, 2026
Grant date	Jan 27, 2026

Abstract

A method for splitting end-to-end QoS requirement information, a terminal, and a network side device, the method comprising: a target device splits end-to-end QoS requirement information into PC5-segment QoS information and Uu-segment QoS information, the target device comprising a target UE and an access network device.

First claim

What is claimed is:

1 . A method for splitting end-to-end quality of service (Qos) requirement information, wherein the method comprises:
splitting, by a target device, end-to-end QoS requirement information into PC5-segment QoS information and Uu-segment QoS information, wherein the target device comprises at least one of a target UE and an access network device; wherein the splitting, by a target device, end-to-end QoS requirement information into PC5-segment QoS information and Uu-segment QoS information comprises: splitting, by the target UE, the end-to-end QoS requirement information into the PC5-segment QoS information and the Uu-segment QoS information based on a first mapping relationship or first information, wherein the first mapping relationship comprises a mapping relationship between the end-to-end QoS requirement information and the PC5-segment QoS information and Uu-segment QoS information; and the first information comprises a QoS parameter of a PC5 interface and a QoS parameter of a Uu interface that are detected by the target UE.

2 . The method according to claim 1 , wherein the PC5-segment QoS information comprises a PC5-segment QoS parameter and a PC5-segment QoS attribute, the PC5-segment QoS parameter comprises a PC5 QoS identifier PQI, and the PC5-segment QoS attribute comprises a PDB; and the Uu-segment QoS information comprises a Uu-segment QoS parameter and a Uu-segment QoS attribute, the Uu-segment QoS parameter comprises a 5G QoS identifier 5QI, and the Uu-segment QoS attribute comprises a PDB.

3 . The method according to claim 1 , wherein the PC5-segment QoS information and the Uu-segment QoS information satisfy the end-to-end QoS requirement information.

4 . The method according to claim 3 , wherein in a case that the target UE is relay UE, before the splitting, by a target device, end-to-end QoS requirement information into PC5-segment QoS information and Uu-segment QoS information, the method further comprises:
receiving, by the relay UE, the end-to-end QoS requirement information from remote UE; and after the splitting, by a target device, end-to-end QoS requirement information into PC5-segment QoS information and Uu-segment QoS information, the method further comprises: initiating, by the relay UE, a PDU session establishment or modification procedure based on the Uu-segment QoS information to establish a corresponding Uu-segment QoS flow, and initiating, by the relay UE, a direct link modification procedure based on the PC5-segment Qos information to establish a corresponding PC5-segment QoS flow.

5 . The method according to claim 3 , wherein in a case that the target UE is a remote UE, after the splitting, by a target device, end-to-end QoS requirement information into PC5-segment QoS information and Uu-segment QoS information, the method further comprises:
sending, by the remote UE, the Uu-segment QoS information and the PC5-segment QoS information to a relay UE, wherein the Uu-segment QoS information is used by the relay UE to establish a corresponding Uu-segment QoS flow in a PDU session establishment or modification procedure; and the PC5-segment QoS information is used by the relay UE to establish a corresponding PC5-segment Qos flow in a direct link modification procedure.

6 . The method according to claim 1 , wherein the first mapping relationship is configured by a network side or preconfigured.

7 . The method according to claim 1 , wherein in a case that the target device is the access network device, after the splitting, by a target device, end-to-end QoS requirement information into PC5-segment QoS information and Uu-segment QoS information, the method further comprises:
establishing, by the access network device, a PC5-segment bearer based on the PC5-segment QoS information, and establishing a Uu-segment bearer based on the Uu-segment Qos information.

8 . The method according to claim 1 , wherein in a case that the target device is the access network device, the splitting, by a target device, end-to-end QoS requirement information into PC5-segment QoS information and Uu-segment QoS information comprises:
splitting, by the access network device, the end-to-end QoS requirement information into the PC5-segment QoS information and the Uu-segment QoS information based on a second mapping relationship or second information, wherein the second mapping relationship comprises a mapping relationship between the end-to-end QoS requirement information and the PC5-segment QoS information and Uu-segment QoS information; and the second information comprises a QoS parameter of a PC5 interface and a Qos parameter of a Uu interface that are detected by the access network device.

9 . A method for splitting end-to-end QoS requirement information, wherein the method comprises:
splitting, by a target core network device, end-to-end QoS requirement information to obtain PC5-segment QoS information and Uu-segment QoS information; and before the splitting, by a target core network device, end-to-end QoS requirement information, receiving the end-to-end QoS requirement information from relay UE, wherein the end-to-end QoS requirement information is sent by remote UE to the relay UE; or after the splitting, by a target core network device, end-to-end QoS requirement information, sending the PC5-segment QoS information and the Uu-segment QoS information to an access network device, wherein the PC5-segment QoS information comprises a PC5-segment QoS parameter and a PC5-segment QoS attribute, the PC5-segment QoS parameter comprises a PQI, and the PC5-segment QoS attribute comprises a PDB; and the Uu-segment QoS information comprises a Uu-segment QoS parameter and a Uu-segment QoS attribute, the Uu-segment QoS parameter comprises a 5QI, and the Uu-segment QoS attribute comprises a PDB; wherein the target core network device comprises a first core network device and a second core network device, and the splitting, by a target core network device, end-to-end Qos requirement information to obtain PC5-segment QoS information and Uu-segment QoS information comprises: splitting, by the first core network device, the end-to-end QoS requirement information to obtain the PC5-segment QoS information and a first rule; and sending, by the first core network device, the PC5-segment QoS information and the first rule to the second core network device, wherein the first rule is used by the second core network device to generate the Uu-segment QoS information.

10 . The method according to claim 9 , wherein the splitting, by the first core network device, the end-to-end QoS requirement information to obtain the PC5-segment QoS information and a first rule comprises:
splitting, by the first core network device, the end-to-end QoS requirement information based on target information to obtain the PC5-segment QoS information and the first rule, wherein the target information comprises at least one of the following: subscription information of the remote UE, subscription information of the relay UE, a payment policy, relay communication policy information authorized by the remote UE, and relay communication policy information authorized by the relay UE.

11 . The method according to claim 9 , wherein in a case that the target core network device comprises a first core network device, the splitting, by a target core network device, end-to-end QoS requirement information to obtain PC5-segment QoS information and Uu-segment QoS information comprises:
splitting, by the first core network device, the end-to-end QoS requirement information to obtain a first rule and the PC5-segment QoS information.

12 . The method according to claim 9 , wherein

Assignees

• Vivo Mobile Communication Co Ltd

Inventors

• Wang Wen
• Xie Zhenhua
• Zheng Qian
• Ke Xiaowan

Classifications

• H04W88/04

  adapted for relaying to or from another terminal or user · CPC title

• H04W28/24 Primary

  Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service] · CPC title

• H04W28/0925

  using policies · CPC title

• H04W28/0268

  using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR] (negotiating SLA or negotiating QoS H04W28/24) · CPC title

• H04W28/0967

  Quality of Service [QoS] parameters · CPC title