Methods and apparatus for packet flow to data radio bearer mapping

Patent metadata

Field	Value
Publication number	US-12432609-B2
Application number	US-202217662330-A
Country	US
Kind code	B2
Filing date	May 6, 2022
Priority date	Nov 6, 2019
Publication date	Sep 30, 2025
Grant date	Sep 30, 2025

Abstract

A method for mapping quality of service (QoS) flows to data radio bearers includes determining a cumulative data volume of a first QoS flow; and determining that the cumulative data volume of the first QoS flow meets a specified data threshold, and based thereon: mapping the first QoS flow to a first data radio bearer, where a maximum data volume of the first data radio bearer is less than a maximum data volume of the first QoS flow; and transmitting a packet of the first QoS flow over the first data radio bearer.

First claim

What is claimed is:

1. A method comprising:
determining, by a communication device, a cumulative data volume of a first quality of service (QOS) flow;
determining, by the communication device, that the cumulative data volume of the first QoS flow meets a specified data threshold;
mapping, by the communication device, the first QoS flow to a first data radio bearer, wherein a maximum data volume of the first data radio bearer is less than a maximum data volume of the first QoS flow; and
transmitting, by the communication device, a packet of the first QoS flow over the first data radio bearer.

2. The method of claim 1 , further comprising:
receiving, by the communication device, a data radio bearer configuration for the first data radio bearer.

3. The method of claim 2 , the data radio bearer configuration being received in a radio resource control (RRC) message.

4. The method of claim 2 , further comprising:
determining, by the communication device, a second cumulative data volume of a second QoS flow; and
determining, by the communication device, that the second cumulative data volume of the second QoS flow fails to meet the specified data threshold;
mapping, by the communication device, the second QoS flow to a second data radio bearer, wherein a second maximum data volume of the second data radio bearer is greater than a second maximum data volume of the second QoS flow; and
transmitting, by the communication device, a second packet of the second QoS flow over the second data radio bearer.

5. The method of claim 1 , the communication device comprising a user equipment (UE).

6. The method of claim 1 , the mapping the first QoS flow to the first data radio bearer being performed by a service data application protocol (SDAP) layer entity of the communication device.

7. A method comprising:
determining, by a communication device, a cumulative characteristic measure of a quality of service (QOS) flow;
mapping, by the communication device, the QoS flow to a data radio bearer of a plurality of data radio bearers in accordance with a comparison between the cumulative characteristic measure of the QoS flow and a specified characteristic threshold, the mapping the QoS flow comprising:
determining, by the communication device, if the cumulative characteristic measure of the QoS flow meets the specified characteristic threshold;
mapping, by the communication device, the QoS flow to a first data radio bearer in response to that the cumulative characteristic measure of the QoS flow meets the specified characteristic threshold; and
mapping, by the communication device, the QoS flow to a second data radio bearer in response to that the cumulative characteristic measure of the QoS flow fails to meet the specified characteristic threshold, wherein a first cumulative characteristic measure of the first data radio bearer is greater than a second cumulative characteristic measure of the second data radio bearer; and

transmitting, by the communication device, a packet of the QoS flow over the data radio bearer, the data radio bearer being one of the first data radio bearer or the second data radio bearer.

8. The method of claim 7 , further comprising:
receiving, by the communication device, a data radio bearer configuration for the plurality of data radio bearers in a radio resource control (RRC) message.

9. The method of claim 7 , the cumulative characteristic measure comprising at least one of a maximum data burst volume, a cumulative data rate, a cumulative latency, a cumulative delay, or a cumulative Fifth Generation QoS identifier parameter.

10. The method of claim 7 , wherein the mapping the QoS flow occurs dynamically.

11. A device, comprising:
one or more processors; and
a non-transitory memory storage comprising instructions that, when executed by the one or more processors, cause the device to perform operations including:
determining a cumulative data volume of a first quality of service (Qos) flow;
determining that the cumulative data volume of the first QoS flow meets a specified data threshold;
mapping the first QoS flow to a first data radio bearer, wherein a maximum data volume of the first data radio bearer is less than a maximum data volume of the first QoS flow; and
transmitting a packet of the first QoS flow over the first data radio bearer.

12. The device of claim 11 , the operations further comprising:
receiving a data radio bearer configuration for the first data radio bearer.

13. The device of claim 12 , the data radio bearer configuration being received in a radio resource control (RRC) message.

14. The device of claim 12 , the operations further comprising:
determining a second cumulative data volume of a second QoS flow;
determining that the second cumulative data volume of the second QoS flow fails to meet the specified data threshold;
mapping the second QoS flow to a second data radio bearer, wherein a second maximum data volume of the second data radio bearer is greater than a second maximum data volume of the second QoS flow; and
transmitting a second packet of the second QoS flow over the second data radio bearer.

15. The device of claim 11 , the device comprising a user equipment (UE).

16. The device of claim 11 , wherein a service data application protocol (SDAP) layer entity of the device maps the first QoS flow to the first data radio bearer.

17. A device, comprising:
one or more processors; and
a non-transitory memory storage comprising instructions that, when executed by the one or more processors, cause the device to perform operations including:
determining a cumulative characteristic measure of a quality of service (QoS) flow;
mapping the QoS flow to a data radio bearer of a plurality of data radio bearers in accordance with a comparison between the cumulative characteristic measure of the QoS flow and a specified characteristic threshold, the mapping the QoS flow comprising:
determining if the cumulative characteristic measure of the QoS flow meets the specified characteristic threshold;
mapping the QoS flow to a first data radio bearer in response to that the cumulative characteristic measure of the QoS flow meets the specified characteristic threshold; and
mapping the QoS flow to a second data radio bearer in response to that the cumulative characteristic measure of the QoS flow fails to meet the specified characteristic threshold, wherein a first cumulative characteristic measure of the first data radio bearer is greater than a second cumulative characteristic measure of the second data radio bearer; and

transmitting a packet of the QoS flow over the data radio bearer, the data radio bearer being one of the first data radio bearer or the second data radio bearer.

18. The device of claim 17 , the operations further comprising:
receiving a data radio bearer configuration for the plurality of data radio bearers in a radio resource control (RRC) message.

19. The device of claim 17 , the cumulative characteristic measure comprising at least one of a maximum data burst volume, a cumulative data rate, a cumulative latency, a cumulative delay, or a cumulative Fifth Generation QoS identifier parameter.

20. The device of claim 17 , wherein the mapping of the QoS flow occurs dynamically.

Assignees

• Huawei Tech Co Ltd

Inventors

• Bi Hao

Classifications

• H04W28/20

  Negotiating bandwidth · 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

• H04W28/0263

  involving mapping traffic to individual bearers or channels, e.g. traffic flow template [TFT] · CPC title

• H04W76/11

  Allocation or use of connection identifiers · CPC title

• H04W28/0257 Primary

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