Data transmission method, network device and system in multi-connectivity network

Patent metadata

Field	Value
Publication number	US-12349176-B2
Application number	US-202117926394-A
Country	US
Kind code	B2
Filing date	May 7, 2021
Priority date	May 29, 2020
Publication date	Jul 1, 2025
Grant date	Jul 1, 2025

Abstract

A data transmission method, a network device and a system in a multi-connectivity network is provided. The method includes: determining a type of a user of a terminal; determining a user plane split policy corresponding to the terminal according to the type of the user of the terminal; and allocating a user plane channel of a first standard network of the construction operator to the terminal to transmit user plane data of the terminal, in a case that the user plane split policy corresponding to the terminal is split-disabled, and allocating the user plane channel of the first standard network and a user plane channel of a second standard network of the construction operator to the terminal to transmit the user plane data of the terminal, in a case that the user plane split policy corresponding to the terminal is split-enabled.

First claim

What is claimed is:

1. A data transmission method in a multi-connectivity network, performed by a network device of a construction operator, comprising:
determining a type of a user of a terminal during a process of the terminal accessing a multi-connectivity network of the construction operator, wherein the type comprises a first type indicating that the user is a user of a sharing operator or a second type indicating that the user is a user of the construction operator;
determining a user plane split policy corresponding to the terminal according to the type of the user of the terminal, comprising: determining the user plane split policy corresponding to the terminal, according to the type of the user of the terminal and an occupancy rate of user plane air interface resources provided by a base station in a second standard network and occupied by all terminals, of which users are of the same type as the terminal, in a case that a networking mode comprises splitting user plane data from the base station in the second standard network or splitting user plane data from a base station in a first standard network, wherein the first standard network and the second standard network are networks of different network standards; and
allocating a user plane channel of the first standard network of the construction operator to the terminal to transmit user plane data of the terminal, in a case that the user plane split policy corresponding to the terminal is split-disabled, and allocating the user plane channel of the first standard network and a user plane channel of the second standard network of the construction operator to the terminal to transmit the user plane data of the terminal, in a case that the user plane split policy corresponding to the terminal is split-enabled.

2. The data transmission method according to claim 1 , wherein determining the user plane split policy corresponding to the terminal according to the type of the user of the terminal comprises:
determining that the user plane split policy corresponding to the terminal is split-disabled, in a case that the type of the user of the terminal is the first type; and
determining that the user plane split policy corresponding to the terminal is split-enabled, in a case that the type of the user of the terminal is the second type.

3. The data transmission method according to claim 1 , wherein determining the user plane split policy corresponding to the terminal, according to the type of the user of the terminal and the occupancy rate of the user plane air interface resources provided by the base station in the second standard network and occupied by all terminals, of which users are of the same type as the terminal comprises:
determining whether the occupancy rate of the user plane air interface resources provided by the base station in the second standard network and occupied by all terminals belonging to users of the sharing operator reaches a threshold, in a case that the type of the user of the terminal is the first type, determining that the user plane split policy corresponding to the terminal is split-disabled, in a case that the occupancy rate reaches the threshold, and determining that the user plane split policy corresponding to the terminal is split-enabled, in a case that the occupancy rate does not reach the threshold; and
determining that the user plane split policy corresponding to the terminal is split-enabled, in a case that the type of the user of the terminal is the second type.

4. The data transmission method according to claim 1 , further comprising:
after determining the user plane split policy corresponding to the terminal, storing the user plane split policy corresponding to the terminal in association with identification information of the terminal.

5. The data transmission method according to claim 4 , wherein storing the user plane split policy corresponding to the terminal in association with the identification information of the terminal comprises:
setting a split switch of a user plane channel of the second standard network corresponding to the identification information of the terminal to an off state, in a case of determining that the user plane split policy corresponding to the terminal is split-disabled; and
setting the split switch of the user plane channel of the second standard network corresponding to the identification information of the terminal to an on state, in a case of determining that the user plane split policy corresponding to the terminal is split-enabled.

6. The data transmission method according to claim 1 , wherein determining the type of the user of the terminal comprises:
obtaining identification information of the terminal from control plane information, in response to receiving the control plane information of the terminal; and
determining the type of the user of the terminal according to the identification information of the terminal.

7. The data transmission method according to claim 6 , wherein determining the type of the user of the terminal comprises:
obtaining a Public Land Mobile Network (PLMN) number of the terminal through a Radio Resource Control (RRC) connection establishment process with the terminal; and
determining the type of the user of the terminal according to the PLMN number.

8. The data transmission method according to claim 1 , further comprising:
transmitting control plane information of the terminal through a control plane channel of the second standard network of the construction operator.

9. The data transmission method according to claim 5 , wherein the split switch is set at a base station in the second standard network, in a case that a networking mode comprises splitting user plane data from the base station in the second standard network or splitting user plane data from a base station in the first standard network, and the split switch is set at a core network device, in a case that the networking mode comprises splitting user plane data from the core network of the second standard network.

10. The data processing method according to claim 1 , wherein the first standard network is a Fifth-Generation mobile network, and the second standard network is a Fourth-Generation mobile network or a Third-Generation mobile network.

11. A network device in a multi-connectivity network, comprising:
a processor; and
a memory coupled to the processor and storing instructions that when executed by the processor, cause the processor to:
determine a type of a user of a terminal during a process of the terminal accessing a multi-connectivity network of the construction operator, wherein the type comprises a first type indicating that the user is a user of a sharing operator or a second type indicating that the user is a user of the construction operator;
determine a user plane split policy corresponding to the terminal according to the type of the user of the terminal, comprising: determining the user plane split policy corresponding to the terminal, according to the type of the user of the terminal and an occupancy rate of user plane air interface resources provided by a base station in a second standard network and occupied by all terminals, of which users are of the same type as the terminal, in a case that a networking mode comprises splitting user plane data from the base station in the second standard network or splitting user plane data from a base station in a first standard network, wherein the first standard network and the second standard network are networks of different network standards; and
allocate a user plane channel of the first standard network of the construction operator to the terminal to transmit user plane data of the terminal, in a case

Assignees

• China Telecom Co Ltd

Inventors

• Xie Weiliang
• Zhang Xin
• Chen Jiangang
• Li Peng
• Lu Na
• Li Zhijun

Classifications

• H04W88/06

  adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals · CPC title

• H04L5/0035

  Resource allocation in a cooperative multipoint environment · CPC title

• H04W76/15

  Setup of multiple wireless link connections · CPC title

• H04W76/16

  Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer · CPC title

• H04L47/822

  Collecting or measuring resource availability data · CPC title