Scheduling method and apparatus for a quality of service data flow

Patent metadata

Field	Value
Publication number	US-11546269-B2
Application number	US-202016911455-A
Country	US
Kind code	B2
Filing date	Jun 25, 2020
Priority date	Dec 27, 2017
Publication date	Jan 3, 2023
Grant date	Jan 3, 2023

Abstract

This application provides a scheduling method and an apparatus. The method includes: determining, by an application processor, a type of a to-be-sent data packet, and putting, by the application processor, the to-be-sent data packet into a quality of service QoS data flow corresponding to the type of the to-be-sent data packet, where the type of the to-be-sent data packet is a GBR type or a non-GBR type; and scheduling, by the application processor, a to-be-sent data packet in a QoS data flow corresponding to the GBR type to send the to-be-sent data packet to a modem in a terminal in which the application processor is located, and after determining that a data transmission rate requirement of the GBR type is met, scheduling, by the application processor, a to-be-sent data packet in a QoS data flow corresponding to the non-GBR type to send the to-be-sent data packet to the modem.

First claim

What is claimed is:

1. A scheduling method, wherein the method comprises:
determining, by an application processor, a type of a to-be-sent data packet based on a quality of service (QoS) data flow identifier (QFI), wherein the determining the type of a to-be-sent data packet comprises:
matching, by the application processor, the to-be-sent data packet with a plurality of QoS rules, wherein each of the plurality of QoS rules comprises a respective QFI; and
determining the type of a to-be-sent data packet, by the application processor based on a QFI in a first QoS rule that successfully matches the to-be-sent data packet and a mapping relationship between the QFI and the type of the to-be-sent data packet;

putting, by the application processor, the to-be-sent data packet into a quality of service (QoS) data flow corresponding to the type of the to-be-sent data packet, wherein the type of the to-be-sent data packet is a guaranteed bit rate (GBR) type or a non-guaranteed bit rate (non-GBR) type;
scheduling, by the application processor, a to-be-sent data packet in a QoS data flow corresponding to the GBR type to send the to-be-sent data packet to a modem in a terminal in which the application processor is located, wherein the application processor is located outside of the modem; and
after determining that a data transmission rate requirement of the GBR type is met, scheduling, by the application processor, a to-be-sent data packet in a QoS data flow corresponding to the non-GBR type to send the to-be-sent data packet to the modem.

2. The method according to claim 1 , wherein the method further comprises:
marking, by the application processor, the to-be-sent data packet by using the QFI in the first QoS rule.

3. The method according to claim 2 , wherein
a header field is followed by a packet header of the to-be-sent data packet, and content of the header field is the QFI in the first QoS rule, or
a first field is comprised in a descriptor of the to-be-sent data packet, and content of the first field is the QFI in the first QoS rule.

4. The method according to claim 1 , wherein the putting, by the application processor, the to-be-sent data packet into a QoS data flow corresponding to the type of the to-be-sent data packet comprises:
putting, by the application processor, the to-be-sent data packet into a QoS data flow corresponding to the QFI in the first QoS rule.

5. The method according to claim 4 , wherein a rate at which the application processor schedules the to-be-sent data packet in a first QoS data flow is greater than or equal to a first guaranteed flow bit rate (GFBR), the first GFBR is a GFBR in a QoS rule that successfully matches the to-be-sent data packet in the first QoS data flow, and the first QoS data flow is a QoS data flow corresponding to the GBR type.

6. The method according to claim 4 , wherein a rate at which the application processor schedules the to-be-sent data packet in a second QoS data flow is less than or equal to an aggregate maximum bit rate (AMBR) in a QoS parameter, and the second QoS data flow is a QoS data flow corresponding to the non-GBR type.

7. The method according to claim 1 , wherein the scheduling, by the application processor, a to-be-sent data packet in a QoS data flow corresponding to the GBR type comprises: scheduling, by the application processor based on priorities of a plurality of QoS data flows corresponding to the GBR type, to-be-sent data packets in the plurality of QoS data flows corresponding to the GBR type; and
the scheduling, by the application processor, a to-be-sent data packet in a QoS data flow corresponding to the non-GBR type comprises: scheduling, by the application processor based on priorities of a plurality of QoS data flows corresponding to the non-GBR type, to-be-sent data packets in the plurality of QoS data flows corresponding to the non-GBR type.

8. An application processor, wherein the application processor comprises:
a processor, configured to:
determine a type of a to-be-sent data packet based on a quality of service (QoS) data flow identifier (QFI)), wherein the processor is configured to:
match the to-be-sent data packet with a plurality of QoS rules, wherein each of the plurality of QoS rules comprises a respective QFI; and
determine the type of a to-be-sent data packet, based on a QFI in a first QoS rule that successfully matches the to-be-sent data packet and a mapping relationship between the QFI and the type of the to-be-sent data packet;

put the to-be-sent data packet into a quality of service (QoS) data flow corresponding to the type of the to-be-sent data packet, wherein the type of the to-be-sent data packet is a guaranteed bit rate (GBR) type or a non-guaranteed bit rate (non-GBR) type;
schedule a to-be-sent data packet in a QoS data flow corresponding to the GBR type to send the to-be-sent data packet to a modem in a terminal in which the application processor is located, wherein the application processor is located outside of the modem; and
after determining that a data transmission rate requirement of the GBR type is met, schedule a to-be-sent data packet in a QoS data flow corresponding to the non-GBR type to send the to-be-sent data packet to the modem.

9. The application processor according to claim 8 , wherein the processor is further configured to:
mark the to-be-sent data packet by using the QFI in the first QoS rule.

10. The application processor according to claim 9 , wherein a header field is followed by a packet header of the to-be-sent data packet, and content of the header field is the QFI in the first QoS rule, or
a first field is comprised in a descriptor of the to-be-sent data packet, and content of the first field is the QFI in the first QoS rule.

11. The application processor according to claim 8 , wherein the processor is configured to:
put the to-be-sent data packet into a QoS data flow corresponding to the QFI in the first QoS rule.

12. The application processor according to claim 11 , wherein a rate at which the processor schedules the to-be-sent data packet in a first QoS data flow is greater than or equal to a first GFBR, the first GFBR is a GFBR in a QoS rule that successfully matches the to-be-sent data packet in the first QoS data flow, and the first QoS data flow is a QoS data flow corresponding to the GBR type.

13. The application processor according to claim 11 , wherein a rate at which the processor schedules the to-be-sent data packet in a second QoS data flow is less than or equal to an AMBR in a QoS parameter, and the second QoS data flow is a QoS data flow corresponding to the non-GBR type.

14. The application processor according to claim 8 , wherein the processor is configured to:
schedule, based on priorities of a plurality of QoS data flows corresponding to the GBR type, to-be-sent data packets in the plurality of QoS data flows corresponding to the GBR type; and
schedule, based on priorities of a plurality of QoS data flows corresponding to the non-GBR type, to-be-sent data packets in the plurality of QoS data flows corresponding to the non-GBR type.

15. A terminal, comprising:
a modem, and an application processor, wherein application processor configured to:
determine a type of a to-be-sent data packet based on a quality of service (QoS) data flow identifier (QFI), wherein the application processor is configured to:
match the to-be-sent data packet with a plurality of QoS rules, wherein each of the plurality of QoS rules comprises a respective QFI; and
determine the type of a to-be-sent data packet, based on a QFI in a first QoS rule that successfully matches

Assignees

• Huawei Tech Co Ltd

Inventors

• Liu Jiwu
• Li Yanbing

Classifications

• H04L47/527

  Quantum based scheduling, e.g. credit or deficit based scheduling or token bank · CPC title

• H04L47/24 Primary

  Traffic characterised by specific attributes, e.g. priority or QoS · 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

• H04L69/16

  Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP] · CPC title

• H04W28/0257

  the individual bearer or channel having a maximum bit rate or a bit rate guarantee · CPC title