CN116419329A

CN116419329A - QoS adjustment method and device, wireless access network equipment and core network equipment

Info

Publication number: CN116419329A
Application number: CN202111649045.8A
Authority: CN
Inventors: 孙朝; 徐芙蓉; 刘姗姗; 张龙; 程锦霞; 邓伟
Original assignee: China Mobile Communications Group Co Ltd; China Mobile Communications Ltd Research Institute
Current assignee: China Mobile Communications Group Co Ltd; China Mobile Communications Ltd Research Institute
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2023-07-11

Abstract

The application provides a QoS adjustment method, a device, a wireless access network device and a core network device, and relates to the technical field of communication, wherein the method comprises the following steps: under the condition that the radio access network equipment cannot guarantee the guaranteed stream bit rate GFBR of the guaranteed bit rate GBR service, the radio access network equipment sends a first message to the core network equipment, wherein the first message comprises first information; wherein the first information includes at least one of: the reason that GFBR cannot meet; quality of service QoS parameter recommendation information; wherein, the QoS parameter recommendation information at least comprises GFBR recommendation information. The method of the embodiment of the application realizes closed-loop adjustment of the GFBR parameters in the GBR service, improves the guarantee certainty of the GBR, and reduces the influence of the GBR user on the common user.

Description

QoS adjustment method and device, wireless access network equipment and core network equipment

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a QoS adjustment method and apparatus, a radio access network device, and a core network device.

Background

For high priority traffic with stable minimum rate requirements, it is often necessary to establish guaranteed bit rate (Guaranteed Bit Rate, GBR) traffic bearers and configure guaranteed stream bit rate (Guaranteed Flow Bit Rate, GFBR) minimum rate parameters, where GFBR is determined by session management function (Session Management Function, SMF) entities and issued to the base station, which guarantees minimum rate best effort by preferentially allocating resources and power.

For better guarantee of GBR traffic, the protocol sets a quality of service Notification (QoS Notification) mechanism for guaranteed bit rate quality of service flow (Guaranteed Bit Rate Quality of Service Flow, GBR QoS flow). According to the protocol, the quality of service profile (QoS profile) issued by the core network optionally contains a parameter notification control (Notification control), notification control is applied to GBR QoS flows, if Notification control functionality is turned on and the radio access network (Radio Access Network, RAN) detects that GFBR cannot be completed, then for a given GBR QoS flow the RAN sends a notification to the SMF. Once the environmental conditions improve, the GFBR can be satisfied, the RAN will send a new notification message to notify the SMF (session management function).

However, the above mechanism has the problems that GFBR cannot guarantee and public and private coordination. For example: under a specific scene, when a plurality of GBR users are gathered in the same cell or some GBR users move to the position of the channel quality difference point, the GFBR rate of all GBR users can not be guaranteed, and meanwhile, a large amount of cell physical resource blocks (physical resource block, PRB) resources can be occupied, so that the common (Non-GBR) users have no resources to use, even the condition of disconnection occurs, and the user experience is seriously influenced.

Disclosure of Invention

The purpose of the application is to provide a QoS adjustment method, a device, a wireless access network device and a core network device, which solve the problems that GFBR can not guarantee and public and private cooperation can not be achieved.

To achieve the above object, an embodiment of the present application provides a QoS adjustment method, applied to a radio access network device, including:

under the condition that the radio access network equipment cannot guarantee the guaranteed stream bit rate GFBR of the guaranteed bit rate GBR service, the radio access network equipment sends a first message to the core network equipment, wherein the first message comprises first information;

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

quality of service QoS parameter recommendation information;

wherein, the QoS parameter recommendation information at least comprises GFBR recommendation information.

Optionally, before the radio access network device sends the first message to the core network device, the method further comprises:

the first information related to QoS parameters is determined.

Optionally, determining the reason that the GFBR is not satisfactory includes:

determining the reason that the GFBR cannot meet according to the channel condition and the service scheduling waiting time delay;

wherein the channel condition comprises at least one of:

Reference signal received power RSRP;

signal interference plus noise SINR.

Optionally, determining the reason that the GFBR cannot meet according to the channel condition and the traffic scheduling latency includes:

and under the condition that the RSRP is smaller than a first threshold value, the SINR is smaller than a second threshold value and no service scheduling waiting time delay exists, determining that the reason that the GFBR cannot meet is that the channel condition is poor.

Optionally, determining the GFBR recommendation information includes:

when the reason that the GFBR cannot meet is that the channel condition is poor, determining the category of the GBR service that the GFBR cannot guarantee according to the 5G service quality indication 5QI corresponding to the GBR service that the GFBR cannot guarantee;

determining the GFBR recommendation information according to the load of a first service under the condition that the type of the GBR service which cannot be ensured by the GFBR is non-rigid, wherein the first service is a service except the GBR service which cannot be ensured by the GFBR under the wireless access network equipment;

and determining the GFBR recommendation information as a first value under the condition that the type of the GBR service which cannot be ensured by the GFBR is rigid.

Optionally, determining GFBR recommendation information according to a load of the first service includes:

Calculating the product of the average capacity of the cell and a pre-configured expansion threshold value, and the difference value of the load of the first service;

determining the GFBR recommendation information as the difference value under the condition that the difference value is larger than the first value;

and determining the GFBR recommendation information as the first value under the condition that the difference value is smaller than or equal to the first value.

Optionally, in the case that the first service is a GBR service, the load of the first service is a capacity corresponding to a GFBR of the first service;

and in the case that the first service is a non-guaranteed bit rate NGBR service, the load of the first service is a capacity corresponding to the baseline rate of the first service.

Optionally, the method further comprises:

and deleting the GBR special load of the GBR service which cannot be ensured by the GFBR under the condition that the GFBR recommendation information is determined to be the first value.

Optionally, the method further comprises:

under the condition that the GBR service which cannot be ensured by the GFBR comprises a plurality of GBR services, extracting a plurality of first GBR services which are non-rigid, occupy resources higher than a first preset threshold, have SINR smaller than a second preset threshold and have RSRP smaller than a third preset threshold;

And determining GFBR recommendation information of each first GBR service.

Optionally, the method further comprises:

the wireless access network device receives a second message sent by the core network device, wherein the second message comprises: the reasons that the GFBR cannot meet and the verification result of the GFBR recommended information are checked;

under the condition that the verification result is successful, monitoring GBR service which cannot be ensured by the GFBR;

under the condition that the radio access network equipment can guarantee the GFBR before GBR service adjustment which cannot be guaranteed by the GFBR is determined, a third message is sent to the core network equipment, wherein the third message comprises: the radio access network device can guarantee indication information of the GFBR before GBR service adjustment which cannot be guaranteed by the GFBR and the GFBR before GBR service adjustment which cannot be guaranteed by the GFBR.

The embodiment of the application also provides a quality of service QoS adjustment method, which is applied to core network equipment, and comprises the following steps:

the method comprises the steps that core network equipment receives a first message sent by radio access network equipment, wherein the first message comprises first information related to GBR service which cannot be ensured by GFBR;

the core network equipment adjusts QoS parameters of GBR service which cannot be ensured by the GFBR according to the first information;

Wherein the first information includes at least one of:

the reason that GFBR cannot meet;

quality of service QoS parameter recommendation information;

Optionally, the core network device adjusts QoS parameters of GBR service that cannot be guaranteed by the GFBR according to the first information, including:

verifying the reason that the GFBR cannot meet and the GFBR recommended information;

and under the condition that verification is passed, according to the GFBR recommendation information, adjusting the GFBR in the QoS parameters of the GBR service which cannot be ensured.

Optionally, the method further comprises:

the core network device sends a second message to the radio access network device, where the second message includes: and checking the reasons which cannot be met by the GFBR and the verification results of the GFBR recommended information.

Optionally, the method further comprises:

the core network device receives a third message sent by the radio access network device, where the third message includes: the radio access network equipment can guarantee indication information of the GFBR before GBR service adjustment which cannot be guaranteed by the GFBR and the GFBR before GBR service adjustment which cannot be guaranteed by the GFBR;

and the core network equipment adjusts the GFBR of the GBR service which cannot be ensured by the GFBR into the GFBR before adjustment according to the third message.

The embodiment of the application also provides a device for adjusting the quality of service QoS, which is applied to the wireless access network equipment and comprises the following steps:

a first sending module, configured to send a first message to a core network device, where the radio access network device cannot guarantee a guaranteed stream bit rate GFBR of a guaranteed bit rate GBR service, where the first message includes first information;

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

QoS parameter recommendation information;

The embodiment of the application also provides a device for adjusting the quality of service QoS, which is applied to core network equipment and comprises the following steps:

a first receiving module, configured to receive a first message sent by a radio access network device, where the first message includes first information related to GBR service that cannot be guaranteed by a GFBR;

the first adjusting module is used for adjusting QoS parameters of GBR service which cannot be ensured by the GFBR according to the first information;

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

QoS parameter recommendation information;

The embodiment of the application also provides a wireless access network device, which comprises: a first transceiver and a first processor;

the first transceiver is configured to send a first message to the core network device, where the first message includes first information, where the radio access network device cannot guarantee a guaranteed stream bit rate GFBR for a guaranteed bit rate GBR service;

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

QoS parameter recommendation information;

The embodiment of the application also provides a core network device, which comprises: a second transceiver and a second processor;

the second transceiver is configured to receive a first message sent by the radio access network device, where the first message includes first information related to GBR service that cannot be guaranteed by the GFBR;

the second processor is used for adjusting QoS parameters of GBR service which cannot be ensured by the GFBR according to the first information;

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

QoS parameter recommendation information;

The embodiment of the application also provides a wireless access network device, which comprises: a transceiver, a processor, a memory, and a program or instructions stored on the memory and executable on the processor; the processor, when executing the program or instructions, implements the steps of a quality of service QoS adjustment method as described above for application to a radio access network device.

The embodiment of the application also provides a core network device, which comprises: a transceiver, a processor, a memory, and a program or instructions stored on the memory and executable on the processor; the processor, when executing the program or instructions, implements the steps in a quality of service QoS adjustment method applied to a core network device as described above.

The embodiments of the present application also provide a readable storage medium having a program or instructions stored thereon, wherein the program or instructions, when executed by a processor, implement the steps of the quality of service QoS adjustment method applied to a radio access network device as described above, or implement the steps of the quality of service QoS adjustment method applied to a core network device as described above.

The beneficial effects of the technical scheme of the application are as follows:

in the method for adjusting the quality of service QoS, under the condition that the radio access network equipment cannot guarantee the guaranteed stream bit rate GFBR of the guaranteed bit rate GBR service, the radio access network equipment sends a first message to the core network equipment, wherein the first message comprises first information; wherein the first information includes at least one of: the reason that GFBR cannot meet; quality of service QoS parameter recommendation information; wherein, the QoS parameter recommendation information at least comprises GFBR recommendation information. Therefore, the core network equipment correspondingly performs closed loop adjustment on the GFBR of the GBR service which cannot be ensured by the radio access network equipment based on the reason that the GFBR cannot meet and/or the GFBR recommended information, so that the radio access network equipment can meet the requirements of the GFBR after the GBR service which cannot be ensured is adjusted, thereby improving the certainty of GBR ensuring, reducing the influence of GBR users on non-GBR users, and solving the problems of the GFBR which cannot be ensured and public and private cooperation existing in the existing mechanism.

Drawings

Fig. 1 is a flow chart of a quality of service QoS adjustment method according to an embodiment of the present application;

fig. 2 is a second flowchart of a quality of service QoS adjustment method according to an embodiment of the present application;

fig. 3 is a third flow chart of a quality of service QoS adjustment method according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a quality of service QoS adjustment device according to an embodiment of the present application;

fig. 5 is a second schematic structural diagram of a QoS adjustment device according to an embodiment of the present application;

fig. 6 is one of schematic structural diagrams of a radio access network device according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of a core network device according to an embodiment of the present application;

fig. 8 is a second schematic structural diagram of a radio access network device according to an embodiment of the present application.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present application more apparent, the following detailed description will be given with reference to the accompanying drawings and the specific embodiments.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In various embodiments of the present application, it should be understood that the sequence numbers of the following processes do not mean the order of execution, and the order of execution of the processes should be determined by the functions and internal logic thereof, and should not constitute any limitation on the implementation process of the embodiments of the present application.

In addition, the terms "system" and "network" are often used interchangeably herein.

In the examples provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B may be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may also determine B from a and/or other information.

As shown in fig. 1, a quality of service QoS adjustment method according to an embodiment of the present application is applied to a radio access network device, and includes:

step 101, under the condition that the radio access network equipment cannot guarantee the guaranteed stream bit rate GFBR of the guaranteed bit rate GBR service, the radio access network equipment sends a first message to the core network equipment, wherein the first message comprises first information;

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

quality of service QoS parameter recommendation information;

Here, it should be noted that, the GFBR that the radio access network device cannot guarantee the GBR service may refer to that the radio access network device cannot allocate radio resources for the GBR service to meet the GFBR requirement of the GBR service, or refer to that the radio resources of the target cell of the radio access network device cannot meet the GFBR requirement of the GBR service, where the target cell may refer to a cell in which the GBR is located.

In this step, the first message may be a protocol data unit session resource notification forwarding (PDU Session Resource Notify Transfer) message, specifically, may be implemented by adding an unrealized reason (cause for not fulfilled) field to PDU Session Resource Notify Transfer messages to carry reasons that cannot be satisfied by GFBR, and/or adding a recommended quality of service parameter list (suggested QoS parameter list) field to carry QoS parameter recommendation information.

In the method for adjusting the quality of service QoS, under the condition that the radio access network equipment cannot guarantee the guaranteed stream bit rate GFBR of the guaranteed bit rate GBR service, the radio access network equipment sends a first message to the core network equipment, wherein the first message comprises first information; wherein the first information includes at least one of: the reason that GFBR cannot meet; quality of service QoS parameter recommendation information; wherein, the QoS parameter recommendation information at least comprises GFBR recommendation information. The method comprises the steps of carrying out a first treatment on the surface of the Therefore, the core network equipment correspondingly performs closed loop adjustment on the GFBR of the GBR service which cannot be ensured by the radio access network equipment based on the reason that the GFBR cannot meet and/or the GFBR recommended information, so that the radio access network equipment can meet the requirements of the GFBR after the GBR service which cannot be ensured is adjusted, thereby improving the GBR ensuring certainty, reducing the influence of GBR users on common users (non-GBR users) and solving the problems of the GFBR which cannot be ensured and public and private cooperation existing in the existing mechanism.

Further, as an optional implementation manner, before the radio access network device sends the first message to the core network device, the method further includes:

the first information related to QoS parameters is determined.

That is, in case that the radio access network device cannot guarantee GFBR of GBR traffic, it is first necessary to determine the first information related to QoS parameters and then transmit a first message including the first information to the core network device.

Here, it should be further noted that, before step 101, the method may further include:

receiving a first indication message sent by core network equipment, wherein the first indication message is used for indicating the wireless access network equipment to start a quality of service Notification (QoS Notification) function;

and under the condition that the QoS Notification function is started, monitoring whether the wireless resources allocated by the wireless access network equipment can meet the wireless resources required by the GFBR of the GBR service.

Here, it should be emphasized that the core network device may configure a Notification control (Notification Control) parameter through the N2 port, instructing the radio access network device to turn on the QoS Notification function.

As an alternative implementation, determining the reason why the GFBR is not satisfactory includes:

wherein the channel condition comprises at least one of:

reference signal received power (Reference Signal Received Power, RSRP);

signal interference plus noise (Signal to Interference plus Noise Ratio, SINR).

Wherein the traffic scheduling latency is related to the logical channel priority.

Here, it should be noted that there may be various reasons for the GFBR not being able to be satisfied, and in practical applications, different determination manners may be selected according to specific reasons, which is not limited in the embodiment of the present application.

As a specific implementation manner, determining, according to a channel condition and a service scheduling waiting delay, a reason that the GFBR cannot meet includes:

Here, it should be noted that, when the GFBR cannot be satisfied due to the degradation of the channel condition, the spectral efficiency of the GBR user is reduced, while a large amount of resources are preempted, the minimum guaranteed rate cannot be satisfied, and meanwhile, the service cannot be obtained by the normal user, so that the GFBR of the GBR service needs to be adjusted to reduce the resources occupied by the GFBR of the GBR service, so that the normal user can obtain the corresponding service, and the existing public-private coordination problem is solved.

Next, a specific implementation procedure of the specific implementation manner will be described:

when the radio access network equipment monitors that the GFBR of the GBR service cannot be met, starting a preset timer, and counting whether the SINR of the GBR user corresponding to the GBR service which cannot be ensured by the GFBR in a preset time period is smaller than a first threshold value, whether the RSRP is smaller than a second threshold value or not, and whether the GBR service which cannot be ensured by the GFBR has scheduling waiting time delay or not; if the SINR is smaller than the first threshold value and the RSRP is smaller than the second threshold value and there is no scheduling waiting time delay in the preset time period, the reason that the GFBR cannot be met is judged to be the poor channel quality.

As an alternative implementation manner, determining the GFBR recommendation information includes:

(1) When the reason that the GFBR cannot meet is that the channel condition is poor, determining the category of GBR traffic that cannot be guaranteed by the GFBR according to a 5G quality of service indication 5 (Quality of Service Indicator, QI) corresponding to GBR traffic that cannot be guaranteed by the GFBR;

here, it should be noted that, in this alternative implementation, the GBR traffic defined in the 3GPP protocol is further subdivided into a rigid GBR traffic and a non-rigid GBR traffic according to whether the GBR traffic rate can be compressed, and the definition of the two traffic is as follows:

The rigid GBR traffic rate is not compressible, such as machine vision product detection, GFBR rate must be guaranteed, is not compressible, otherwise it may cause missed detection, false detection.

Non-rigid GBR traffic, e.g. 4K live, GFBR may be compressed appropriately and the traffic side may adaptively reduce the code rate.

Wherein, the corresponding 5QI of the rigid/non-rigid GBR service is different, so that the wireless access network equipment (network side) can distinguish the two service types through the 5QI value. One possible configuration is that the rigid GBR traffic corresponds to 5QI67, 75, 82-86 (which may be based on protocol extensions), with the remaining 5QI of the GBR traffic being non-rigid 5QI.

(2) Determining GFBR recommendation information according to the load of a first service under the condition that the type of GBR service which cannot be ensured by the GFBR is non-rigid, wherein the first service is a service except the GBR service which cannot be met by the GFBR under the radio access network equipment;

the first service may be one or more services under the radio access network device, and the first service may be GBR service or Non-GBR service.

Specifically, in the case that the first service is a GBR service, the load of the first service is a capacity corresponding to the GFBR of the first service;

(3) And determining the GFBR recommendation information as a first value under the condition that the type of the GBR service which cannot be ensured by the GFBR is rigid.

Alternatively, the first value may be 0.

Here, it should be noted that, as described above, the rate of the rigid GBR service may not be compressed, so that the GFBR of the rigid GBR service may not be adjusted, and thus when the GBR service that the GFBR may not guarantee is the rigid GBR service, the GFBR recommendation information is set to the first value, so as to ensure that the radio access network device may not provide services for the user of the GBR service that the GFBR may not guarantee, and further delete the GBR dedicated load of the GBR service that the GFBR may not guarantee.

As a specific implementation manner, determining GFBR recommendation information according to a load of the first service includes:

(1) Calculating the product of the average capacity of the cell and a pre-configured expansion threshold value, and the difference value of the load of the first service;

here, it should be noted that the preconfigured capacity expansion threshold value may also be referred to as a preconfigured maximum threshold value, so this step may be specifically performed according to the following formula:

GFBR = cell capacity x coefficient (capacity expansion threshold or configured maximum threshold) -total capacity corresponding to GFBR for all other GBR traffic-total capacity corresponding to MinBR for all other Non-GBR traffic.

Where MinBR represents the baseline rate of normal ToC users (users of Non-GBR traffic) and is used to ensure that the ToC users do not drop.

(2) Determining the GFBR recommendation information as the difference value under the condition that the difference value is larger than the first value;

(3) And determining the GFBR recommendation information as the first value under the condition that the difference value is smaller than or equal to the first value.

That is, in this embodiment, first, the product of the average capacity of the cell and the preconfigured capacity expansion threshold value is calculated, and when the difference is greater than a first value, for example, 0, it is indicated that the radio resource of the target cell can meet the requirement of the calculated GEBR, the GFBR recommendation information is determined to be the difference, and when the difference is less than or equal to the first value, it is indicated that the radio resource allocated by the radio access network device cannot meet the requirement of the GFBR of the GBR that cannot be ensured by the GFBR, and the GFBR recommendation information is determined to be the first value.

Further, as an alternative implementation, the method further includes:

When the GFBR recommendation information is a first value, it is determined that the radio access network device cannot serve GBR services that cannot be guaranteed by the GFBR, and therefore, GBR dedicated carriers of GBR services that cannot be guaranteed by the GFBR need to be deleted.

Further, as an alternative implementation, the method further includes:

and determining GFBR recommendation information of each first GBR service.

That is, when it is determined that the target GBR service includes a plurality of GBR services, that is, when it is monitored that GFBR of the plurality of GBR services cannot be satisfied, GBR services requiring GFBR adjustment may be selected according to a class of GBR service, an occupied resource, and channel quality of the GBR service; specifically, first GBR services with non-rigid service categories, high occupied resources and poor channel quality can be screened firstly (namely, a plurality of non-rigid first GBR services with occupied resources higher than a first preset threshold, SINR lower than a second preset threshold and RSRP lower than a third preset threshold can be screened preferentially); then, sequentially determining GFBR recommendation information of a plurality of first GBR services; by adjusting the GFBR of the plurality of first GBR services, the resources occupied by the first GBR services are reduced, so that the resources occupied by other GBR services and/or Non-GBR services are increased, and finally, the GFBR of all GBR services and the MinBR of Non-GBR services are satisfied. An alternative implementation may be: firstly, classifying each GBR service according to rigid/non-rigid categories in GBR services which cannot be ensured by GFBR; secondly, extracting services with occupied resources higher than a first preset threshold, SINR lower than a second preset threshold and RSRP lower than a third preset threshold from non-rigid GBR services to form a first non-rigid GBR service set; again, GFBR recommendation information for each GBR service in the first set of non-rigid GBR services is determined. Specifically, the order of determining GFBR recommendation information for each GBR service in the first non-rigid GBR service set may be in descending order of occupied resources and ascending order of channel conditions.

Further, as an alternative implementation, the method further includes:

(1) The wireless access network device receives a second message sent by the core network device, wherein the second message comprises: the reasons that the GFBR cannot meet and the verification result of the GFBR recommended information are checked;

that is, after receiving the first message sent by the radio access network device, the core network device checks the reason that the GFBR carried in the first message cannot meet and the GFBR recommendation information, and sends the check result to the radio access network device; for example, the specific verification may be that the channel quality is degraded when the GFBR cannot meet, and the recommended value in the GFBR recommended information is smaller than the current GFBR, and the verification is passed; after the verification is passed, the core network device decides to adopt the GFBR recommendation information reported by the radio access network device, and adjusts the GFBR of the GBR service which cannot be ensured by the GFBR to the recommendation value in the corresponding GFBR recommendation information.

(2) Under the condition that the verification result is successful, monitoring GBR service which cannot be ensured by the GFBR;

(3) Under the condition that the radio access network equipment can guarantee the GFBR before GBR service adjustment which cannot be guaranteed by the GFBR is determined, a third message is sent to the core network equipment, wherein the third message comprises: the radio access network device can guarantee indication information of the GFBR before GBR service adjustment which cannot be guaranteed by the GFBR and the GFBR before GBR service adjustment which cannot be guaranteed by the GFBR.

Wherein, the GFBR before adjustment is the GFBR before adjustment to the recommended value in the GFBR recommended information.

Here, it should be noted that the third message may be a PDU Session Resource Notify Transfer message, and the radio access network device may ensure that the indication information of the GFBR before the adjustment of the GBR service that cannot be ensured by the GFBR is carried in the cause for not fulfilled field, and the GFBR before the adjustment is carried in the suggested QoS parameter list field.

That is, after GFBR adjustment of GBR service that cannot be guaranteed by GFBR, the radio access network device continuously monitors GBR users with adjustment parameters, if channel conditions are optimized (for example, SINR is higher than a certain threshold, and original gfbr+other GFBRs, minBR < cell average capacity x coefficient), a PDU Session Resource Notify Transfer message is reported to SMF of the core network device, where Notification Cause is full, suggested QoS parameter list is original QoS parameter before adjustment, and original QoS flow related parameters such as GFBR are restored.

The embodiment of the application provides a GBR service closed-loop guarantee optimization scheme and related flow based on QoS Notification. On the one hand, the radio access network device may identify the cause of GFBR insufficiency based on SINR, RSRP, etc., and estimate a QoS parameter adjustment recommendation value based on the network load condition; on the other hand, cause for not fulfilled and suggested QoS parameter list fields are added in the PDU Session Resource Notify Transfer message, so that the core network device can adjust the GFBR related parameters in a closed loop manner according to the cause value. In still another aspect, the core network device may decide whether to adjust relevant parameters of the GBR QoS flow in a closed loop according to the reason value reported by the radio access network device, thereby improving the certainty of GBR service guarantee, and reducing the influence on the common Non-GBR ToC user as much as possible.

As shown in fig. 2, the embodiment of the present application further provides a QoS adjustment method, which is applied to a core network device, where the method includes:

step 201, core network equipment receives a first message sent by radio access network equipment, wherein the first message comprises first information related to GFBR of GBR service which cannot be ensured by the GFBR;

step 202, according to the first information, adjusting the GFBR of the GFBR incapable of GBR service;

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

quality of service QoS parameter recommendation information;

According to the embodiment of the application, the GFBR of the GBR service which cannot be ensured by the GFBR is adjusted according to the first information in the first message, so that closed loop adjustment of the GFBR is realized, the certainty of ensuring the GBR service is improved, the influence on the common user is reduced as much as possible, and the existing public and private cooperation problem is solved.

As an optional implementation manner, step 202, according to the first information, adjusts QoS parameters of GBR services that cannot be guaranteed by the GFBR, including:

For example, the verification process is: the reason that the GFBR cannot meet is that the channel quality is poor, if the GFBR recommended information is smaller than the current GFBR, the verification is passed, otherwise, the verification is not passed.

And under the condition that verification is passed, according to the GFBR recommendation information, adjusting the GFBR in the QoS parameters of the GBR service which cannot be ensured by the GFBR.

Specifically, in the step, GFBR of GBR service which cannot be guaranteed by GFBR is adjusted to a recommended value in GFBR recommendation information.

Further, as an alternative implementation, the method further includes:

Therefore, the radio access network equipment can monitor GBR service which cannot be ensured by the GFBR according to the second message.

Further, as an alternative implementation, the method further includes:

Next, a QoS adjustment method according to an embodiment of the present application will be described with reference to fig. 3:

step 301: the core network instructs the base station to start QoS Notification function; specifically, the core network device configures Notification Control parameters through an N2 port to instruct the radio access network device (base station) to start a QoS Notification function;

step 302: the base station judges the reason that the GFBR cannot meet according to factors such as channel conditions, scheduling waiting time delay and the like, and puts the GBR service of which the SINR, the RSRP and the scheduling waiting time delay meet preset conditions into an adjustment queue;

specifically, the method comprises the following steps: when the GBR service exists in the cell and the GFBR cannot be guaranteed, the radio access network equipment judges the reason that the GFBR cannot meet according to factors such as channel conditions.

Here, it should be noted that there may be various reasons why the radio access network device cannot guarantee the GFBR, and in this embodiment, CASE a is taken as an example, and other reasons may be further extended according to actual needs, where CASE a is defined as follows:

CASE A: the channel condition is deteriorated so that the GFBR cannot be satisfied. At this time, the GBR user spectrum efficiency is reduced, and the minimum guaranteed rate still cannot be satisfied while a large amount of resources are preempted, and meanwhile, the common user may not be served.

The radio access network device may determine the reason why the GFBR cannot meet according to RSRP, logical channel priority, etc. For example, when GFBR cannot be satisfied, the radio access network device starts a timer, counts SINR and RSRP values of GBR users and service scheduling waiting time delay in a period of time, and if SINR and RSRP are respectively smaller than a certain preset threshold and there is no scheduling waiting time delay, determines that the reason that GFBR cannot be satisfied is CASE a.

Step 303: the base station preferentially adjusts SINR, RSRP is lower than a preset threshold value, occupies PRB resources and is higher than a non-rigid GBR of the preset threshold value, and comprehensively considers estimation of other traffic load conditions of the network to obtain GBR traffic parameter adjustment suggestions;

the method specifically comprises the following steps: if the base station recognizes that the GFBR is not satisfied because of CASE a, comprehensively considering other traffic load conditions of the network and distinguishing rigid/non-rigid GBR traffic estimation to obtain GBR related parameter adjustment advice, one possible estimation method is as follows:

first, GBR traffic defined in the 3GPP protocol is further subdivided into rigid/non-rigid GBR traffic according to whether the GBR traffic rate can be compressed, and both traffic are defined as follows.

The rigid GBR traffic rate is not compressible, such as machine vision product detection, GFBR rate must be guaranteed, is not compressible, otherwise it may cause missed detection, false detection. Non-rigid GBR traffic, e.g. 4K live, GFBR may be compressed appropriately and the traffic side may adaptively reduce the code rate.

The corresponding 5QI of the rigid/non-rigid GBR service is different, so that the network side can distinguish the two service types through the 5QI value. One possible configuration is that the rigid GBR corresponds to 5QI67, 75, 82-86 (which may be based on protocol extensions), the remaining GBR 5QI being non-rigid 5QI.

1) If the GBR service is a non-rigid GBR service, the suggested GFBR takes the following value according to the calculation formula:

GFBR = cell average capacity coefficient (capacity expansion threshold or configured maximum threshold) -total capacity of all other traffic GFBR/MinBR

Wherein, minBR represents the baseline rate of ordinary ToC user, guarantees that ToC user will not drop. And if the GFBR calculated by the formula is smaller than 0, deleting GBR special load.

2) And if the GBR service is rigid GBR, deleting the GBR dedicated load directly.

3) If the base station recognizes that the GFBR carried by the plurality of GBRs cannot be satisfied, the base station preferentially adjusts the Non-rigid GBR service with occupied resources higher than a certain preset threshold value and SINR and RSRP lower than a certain threshold value until the GFBR/MinBR of all GBR and Non-GBR services is satisfied.

Step 304: reporting the reasons that GFBR of all the GBR services subjected to adjustment does not meet the requirements and suggesting the QoS parameters subjected to adjustment by the base station;

the method specifically comprises the following steps:

the reason value reporting involves N2 port protocol modification, and one possible scheme is to add Cause for not fulfilled field to the PDU Session Resource Notify Transfer message as follows, and the optional GFBR does not meet the reason value and only defines CASE a in this proposal, and is extensible, if the reason is determined not to be CASE a, this field is not filled.

Step 305: the core network decides whether to adopt the recommended QoS parameter reported by the base station;

the step is to make QoS updating decision and execute for the core network equipment. Specifically, the SMF of the core network device checks according to the cause value in the Notification message reported by the radio access network device, and determines whether to use the recommended QoS parameter reported by the radio access network device. For example, if the failure is due to CASE A, the proposed GFBR is low, the verification passes. If the verification is passed, a QoS modification flow is started, qoS parameters are modified, and closed loop control is realized.

Step 306: and the base station continuously monitors the GBR user, and if the channel condition is optimal, the base station replies the original QoS flow related parameters such as 5QI, GFBR and the like.

That is, after the parameter adjustment, the radio access network device continuously monitors the GBR user with the adjusted parameter, if the channel condition is better (for example, the SINR is higher than a certain threshold, and the original gfbr+other GFBRs, minbrs < cell average capacity x coefficient), reports the channel condition to the SMF (Notification Cause in PDU Session Resource Notify Transfer is full, suggested QoS parameter list is the original QoS parameter before adjustment), and restores the QoS flow related parameters such as the original GFBR.

As shown in fig. 4, an embodiment of the present application further provides a quality of service QoS adjustment apparatus, which is applied to a radio access network device, and the apparatus includes:

A first sending module 401, configured to send a first message to a core network device, where the radio access network device cannot guarantee a guaranteed bit rate GFBR of a guaranteed bit rate GBR service, where the first message includes the first information;

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

QoS parameter recommendation information;

According to the QoS adjustment device, the first message comprising the first information is sent to the core network equipment, so that the core network equipment can carry out closed-loop adjustment on the GFBR which cannot guarantee the GBR service of the GFBR according to the first message, the guarantee certainty of the GBR service is improved, and the influence on a common user is reduced.

Optionally, the apparatus further comprises:

a first determining module, configured to determine the first information related to QoS parameters.

Optionally, the first determining module includes:

the first determining submodule is used for determining the reason that the GFBR cannot meet according to the channel condition and the service scheduling waiting time delay;

wherein the channel condition comprises at least one of:

Reference signal received power RSRP;

signal interference plus noise SINR.

Specifically, the first determination submodule is specifically configured to: and under the condition that the RSRP is smaller than a first threshold value, the SINR is smaller than a second threshold value and no service scheduling waiting time delay exists, determining that the reason that the GFBR cannot meet is that the channel condition is poor.

Optionally, the first determining module includes:

a second determining submodule, configured to determine, when the cause that the GFBR cannot meet is that the channel condition is poor, a category of GBR service that the GFBR cannot guarantee according to a 5G quality of service indicator 5QI corresponding to GBR service that the GFBR cannot guarantee;

a third determining submodule, configured to determine, according to a load of a first service, the GFBR recommendation information when a class of GBR service that cannot be guaranteed by the GFBR is non-rigid, where the first service is a service other than the GBR service that cannot be guaranteed by the GFBR under the radio access network device;

and the fourth determining submodule is used for determining that the GFBR recommended information is a first value under the condition that the type of the GBR service which cannot be ensured by the GFBR is rigid.

Specifically, the fourth determination submodule includes:

A calculating unit, configured to calculate a product of an average capacity of a cell and a preconfigured capacity expansion threshold value, and a difference value between the product and a load of the first service;

a first determining unit configured to determine that the GFBR recommendation information is the difference value, if the difference value is greater than the first value;

and the second determining unit is used for determining the GFBR recommendation information to be the first value under the condition that the difference value is smaller than or equal to the first value.

Further, the apparatus further comprises:

and the deleting module is used for deleting the GBR special load of the GBR service which cannot be ensured by the GFBR under the condition that the GFBR recommendation information is determined to be the first value.

Further, the apparatus further comprises:

the extraction module is used for extracting a plurality of first GBR services with non-rigid service categories, occupied resources higher than a first preset threshold, SINR smaller than a second preset threshold and RSRP smaller than a third preset threshold under the condition that the GBR services which cannot be ensured by the GFBR comprise a plurality of GBR services;

And the second determining module is used for determining GFBR recommendation information of each first GBR service.

Further, the apparatus further comprises:

a receiving module, configured to receive a second message sent by the core network device, where the second message includes: the reasons that the GFBR cannot meet and the verification result of the GFBR recommended information are checked;

the monitoring module is used for monitoring GBR service which cannot be ensured by the GFBR under the condition that the verification result is that the verification is successful;

a second sending module, configured to send a third message to the core network device, where the third message is used to ensure that the GFBR can not ensure the GFBR before GBR service adjustment, where the third message includes: the radio access network device can guarantee indication information of the GFBR before GBR service adjustment which cannot be guaranteed by the GFBR and the GFBR before GBR service adjustment which cannot be guaranteed by the GFBR.

As shown in fig. 5, an embodiment of the present application further provides a quality of service QoS adjustment apparatus, which is applied to a core network device, where the apparatus includes:

a first receiving module 501, configured to receive a first message sent by a radio access network device, where the first message includes first information related to GBR service that cannot be guaranteed by a GFBR;

A first adjustment module 502, configured to adjust QoS parameters of GBR services that cannot be guaranteed by the GFBR according to the first information;

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

quality of service QoS parameter recommendation information;

According to the QoS adjustment device, the GFBR which cannot guarantee the GBR service of the GFBR is adjusted according to the first information in the first message sent by the wireless access network device, closed-loop management of the GBR service which cannot be guaranteed by the GFBR is achieved, guaranteeing certainty of the GBR service is improved, and influence on a common user is reduced.

Optionally, the first adjustment module 502 includes:

the verification sub-module is used for verifying the reason that the GFBR cannot meet and the GFBR recommended information;

and the adjusting sub-module is used for adjusting the GFBR of the GBR service which cannot be ensured by the GFBR according to the GFBR recommendation information under the condition that verification passes.

Optionally, the apparatus further comprises:

a sending module, configured to send a second message to the radio access network device, where the second message includes: and checking the reasons which cannot be met by the GFBR and the verification results of the GFBR recommended information.

Optionally, the apparatus further comprises:

a second receiving module, configured to receive a third message sent by the radio access network device, where the third message includes: the radio access network equipment can guarantee indication information of the GFBR before GBR service adjustment which cannot be guaranteed by the GFBR and the GFBR before GBR service adjustment which cannot be guaranteed by the GFBR;

and the second adjusting module is used for adjusting the GFBR of the GBR service which cannot be ensured by the GFBR into the GFBR before adjustment according to the third message.

As shown in fig. 6, the embodiment of the present application further provides a radio access network device 600, including: a first transceiver 610 and a first processor 620;

the first transceiver 610 is configured to send a first message to a core network device, where the radio access network device cannot guarantee a guaranteed bit rate GFBR for a guaranteed bit rate GBR service, the first message including first information;

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

QoS parameter recommendation information;

According to the radio access network device, the first message including the reason that the GFBR cannot meet and/or the GFBR recommendation information is sent to the core network device, so that the core network device can carry out closed-loop adjustment on the GFBR of the GBR service which cannot be ensured by the GFBR according to the first message, the certainty of ensuring the GBR service is improved, and the influence on a common user is reduced.

As shown in fig. 7, the embodiment of the present application further provides a core network device 700, including: a second transceiver 720 and a second processor 710;

the second transceiver 720 is configured to receive a first message sent by a radio access network device, where the first message includes first information related to GBR service that cannot be guaranteed by the GFBR;

the second processor 710 is configured to adjust QoS parameters of GBR services that cannot be guaranteed by the GFBR according to the first information;

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

QoS parameter recommendation information;

According to the core network equipment, the GFBR of the GBR service which cannot be ensured by the GFBR is adjusted according to the first information in the first message sent by the radio access network equipment, closed-loop management of the GBR service which cannot be ensured by the GFBR is achieved, the certainty of ensuring the GBR service is improved, and the influence on a common user is reduced.

As shown in fig. 8, an embodiment of the present application further provides a radio access network device, including: transceiver 810, processor 800, memory 820, and programs or instructions stored on memory 820 and executable on processor 800; the processor 800, when executing the program or instructions, implements the steps of a quality of service QoS adjustment method as described above for a radio access network device.

The transceiver 810 is configured to receive and transmit data under the control of the processor 800.

Wherein in fig. 8, a bus architecture may comprise any number of interconnected buses and bridges, and in particular, one or more processors represented by processor 800 and various circuits of memory represented by memory 820, linked together. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. Transceiver 810 may be a plurality of elements, i.e., including a transmitter and a receiver, providing a means for communicating with various other apparatus over a transmission medium.

The processor 800 is responsible for managing the bus architecture and general processing, and the memory 820 may store data used by the processor 800 in performing operations.

The embodiment of the application also provides a core network device, which comprises: a transceiver, a processor, a memory, and a program or instructions stored on the memory and executable on the processor; the processor, when executing the program or instructions, implements the steps in the quality of service adjustment method applied to the core network device as described above.

The transceiver is used for receiving and transmitting data under the control of the processor.

The structure of the core network device is similar to that of the radio access network device, and thus the interface of the core network device may be referred to as the structure of the radio access network device in fig. 8, where in the core network device the bus architecture may comprise any number of interconnected buses and bridges, and in particular various circuits of the memory represented by one or more processors and the memory represented by the processors are linked together. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. The transceiver may be a plurality of elements, i.e. comprising a transmitter and a receiver, providing a unit for communicating with various other apparatus over a transmission medium.

The embodiment of the present application further provides a readable storage medium, on which a program or an instruction is stored, where the program or the instruction, when executed by a processor, implements the steps of the QoS adjustment method applied to a radio access network device as described above, or implements the steps of the QoS adjustment method applied to a core network device as described above, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here. Wherein the computer readable storage medium is selected from Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk.

It is further noted that the user devices described in this specification include, but are not limited to, smartphones, tablets, etc., and that many of the functional components described are referred to as modules in order to more particularly emphasize their implementation independence.

In the present embodiment, the modules may be implemented in software for execution by various types of processors. An identified module of executable code may, for instance, comprise one or more physical or logical blocks of computer instructions which may, for instance, be organized as an object, procedure, or function. Nevertheless, the executables of an identified module need not be physically located together, but may comprise disparate instructions stored in different bits which, when joined logically together, comprise the module and achieve the stated purpose for the module.

Indeed, a module of executable code may be a single instruction, or many instructions, and may even be distributed over several different code segments, among different programs, and across several memory devices. Likewise, operational data may be identified within modules and may be embodied in any suitable form and organized within any suitable type of data structure. The operational data may be collected as a single data set, or may be distributed over different locations including over different storage devices.

Where a module may be implemented in software, taking into account the level of existing hardware technology, a module may be implemented in software, and one skilled in the art may, without regard to cost, build corresponding hardware circuitry, including conventional Very Large Scale Integration (VLSI) circuits or gate arrays, and existing semiconductors such as logic chips, transistors, or other discrete components, to achieve the corresponding functions. A module may also be implemented in programmable hardware devices such as field programmable gate arrays, programmable array logic, programmable logic devices or the like.

The exemplary embodiments described above are described with reference to the drawings, many different forms and embodiments are possible without departing from the spirit and teachings of the present application, and therefore, the present application should not be construed as limited to the exemplary embodiments set forth herein. Rather, these exemplary embodiments are provided so that this disclosure will be thorough and complete, and will convey the scope of the disclosure to those skilled in the art. In the drawings, the size of the elements and relative sizes may be exaggerated for clarity. The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Unless otherwise indicated, a range of values includes the upper and lower limits of the range and any subranges therebetween.

While the foregoing is directed to the preferred embodiments of the present application, it should be noted that modifications and adaptations to those embodiments may occur to one skilled in the art and that such modifications and adaptations are intended to be comprehended within the scope of the present application without departing from the principles set forth herein.

Claims

1. A quality of service, qoS, adjustment method, applied to a radio access network device, the method comprising:

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

quality of service QoS parameter recommendation information;

2. The method of claim 1, wherein before the radio access network device sends the first message to the core network device, the method further comprises:

the first information related to QoS parameters is determined.

3. The method of claim 2, wherein determining a cause for the GFBR failure comprises:

wherein the channel condition comprises at least one of:

reference signal received power RSRP;

signal interference plus noise SINR.

4. The method of claim 3, wherein determining a cause for the GFBR failure based on channel conditions and traffic scheduling latency comprises:

5. The method of claim 2, wherein determining the GFBR recommendation information comprises:

6. The method of claim 5, wherein determining GFBR recommendation information based on the load of the first traffic comprises:

7. The method according to claim 5 or 6, wherein in case the first traffic is GBR traffic, the load of the first traffic is a capacity corresponding to GFBR of the first traffic;

8. The method according to claim 5 or 6, characterized in that the method further comprises:

9. The method according to claim 1, wherein the method further comprises:

and determining GFBR recommendation information of each first GBR service.

10. The method according to claim 1, wherein the method further comprises:

11. A quality of service, qoS, adjustment method, applied to a core network device, the method comprising:

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

quality of service QoS parameter recommendation information;

12. The method of claim 11, wherein the core network device adjusts QoS parameters of GBR traffic that cannot be guaranteed by the GFBR according to the first information, comprising:

13. The method according to claim 12, wherein the method further comprises:

14. The method of claim 11, wherein the method further comprises:

15. A quality of service, qoS, adjustment apparatus for use with a radio access network device, the apparatus comprising:

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

QoS parameter recommendation information;

16. A quality of service, qoS, adjustment apparatus for use with a core network device, the apparatus comprising:

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

QoS parameter recommendation information;

17. A radio access network device, comprising: a first transceiver and a first processor;

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

QoS parameter recommendation information;

18. A core network device, comprising: a second transceiver and a second processor;

wherein the first information includes at least one of:

the reason that GFBR cannot meet;

QoS parameter recommendation information;

19. A radio access network device comprising: a transceiver, a processor, a memory, and a program or instructions stored on the memory and executable on the processor; the method according to any of claims 1 to 10, characterized in that the processor, when executing said program or instructions, implements the steps of the quality of service QoS adjustment method.

20. A core network device, comprising: a transceiver, a processor, a memory, and a program or instructions stored on the memory and executable on the processor; a quality of service, qoS, adjustment method according to any of claims 11 to 14, characterized in that said processor, when executing said program or instructions, implements the steps of the method.

21. A readable storage medium having stored thereon a program or instructions which when executed by a processor performs the steps of the quality of service QoS adjustment method according to any of claims 1 to 10 or the steps of the quality of service QoS adjustment method according to any of claims 11 to 14.