CN113747514B - Service quality parameter allocation method, computer device, and storage medium - Google Patents
Service quality parameter allocation method, computer device, and storage medium Download PDFInfo
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- CN113747514B CN113747514B CN202110995017.5A CN202110995017A CN113747514B CN 113747514 B CN113747514 B CN 113747514B CN 202110995017 A CN202110995017 A CN 202110995017A CN 113747514 B CN113747514 B CN 113747514B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/06—Airborne or Satellite Networks
Abstract
The invention discloses a service quality parameter distribution method, a computer device and a storage medium, wherein the service quality parameter distribution method comprises the steps of determining a first service quality parameter, adding the first service quality parameter into a first strategy, sending the first strategy to a session management function network element, and the first strategy is used for the session management function network element to establish or maintain a flow with user equipment. The invention can dynamically distribute the service quality parameters only by using the service strategy of the first strategy, so that the user equipment can meet the distribution requirements of the service quality parameters generated by switching satellite base stations of different orbits only by subscribing one service strategy at the strategy control function network element PCF without subscribing a plurality of service strategies. Because a plurality of service strategies do not need to be subscribed, the workload such as adding, deleting, changing and checking the service strategy of each user equipment is small, and more user equipments can be served under the same performance condition. The invention is widely applied to the technical field of satellite communication.
Description
Technical Field
The invention relates to the technical field of satellite communication, in particular to a service quality parameter distribution method, a computer device and a storage medium.
Background
In the satellite-terrestrial integrated communication, the user equipment cannot rely on a single satellite base station to maintain data stream for a long time due to the position change of the satellite base station, so that the user equipment needs to switch the satellite base station. The satellite base station connected before the handover of the user equipment and the satellite base station connected after the handover may be on different orbits, and in order to achieve communication quality meeting the standard, service quality parameters required for establishing or maintaining a data stream connection between the user equipment and the satellite base stations before and after the handover are different, so that the user equipment also needs to update the service quality parameters when the user equipment switches the satellite base stations.
Currently, in the relevant communication technology standards such as 3GPP protocols, it is determined that a policy control function network element allocates a quality of service parameter to a user equipment through a subscription mechanism. The subscription mechanism means that one user equipment subscribes one or more service strategies at a strategy control function network element, and when the user equipment switches a connected satellite base station, the strategy control function network element issues a new service strategy to the user equipment. Therefore, in order to adapt to satellite base stations in different orbits, the related art currently requires that the user equipment subscribe to a plurality of service policies, and the workload of increasing, deleting, modifying, checking and the like of the service policies for each user equipment is large, and the number of user equipments capable of serving is limited under the same performance condition.
Interpretation of terms:
PCF: policy Control Function;
SMF: session Management Function;
AMF: access and Mobility Management Function;
UPF: user Plane Function;
qos: quality of Service parameters;
flow: a stream;
5 QI: an index of quality of service;
rqa (reflective QoS attribute): mapping the Qos attribute;
notification Control: controlling the notification;
maximum Packet Loss Rate: maximum packet loss rate;
5 GC: a 5G core network;
xBR: comprises GBR (guaranteed Bit rate) guaranteed bandwidth and Non-GBR Non-guaranteed bandwidth;
ARP: allocation and Retention Priority, assigning Retention Priority;
Pcc-Rule: policy and Charging Control Rule, Policy Charging Control Rule;
udm: unification Data Management, Unified Data Management;
OAM: operating Administration and Maintenance, operating the Maintenance management system;
SmPolicyDecision: and describing a session management policy.
Disclosure of Invention
In view of at least one of the above technical problems, it is an object of the present invention to provide a quality of service parameter allocation method, a computer apparatus, and a storage medium.
In one aspect, an embodiment of the present invention includes a method for allocating qos parameters, including:
determining a first quality of service parameter; the first service quality parameter is a service quality parameter adaptive to a satellite base station to which the user equipment is currently connected;
adding the first quality of service parameter to a first policy; the first policy is a service policy subscribed by the user equipment;
sending the first strategy to a session management function network element; the first policy is used for the session management function network element to establish or maintain a flow with the user equipment.
Further, the determining the first quality of service parameter includes:
receiving the registration of the user equipment through the session management function network element;
determining a satellite base station registered by the user equipment;
according to the satellite base station registered by the user equipment, inquiring the adaptive service quality parameter in an adaptive table as the first service quality parameter; the adaptation table records the adaptation relation between different satellite base stations and the service quality parameters.
Further, the determining the first quality of service parameter further includes:
acquiring satellite base station link data from an operation maintenance management network element; the satellite base station link data is reported to the operation maintenance management network element by different satellite base stations;
performing communication simulation according to the satellite base station link data;
determining the optimal values of the service quality parameters respectively corresponding to different satellite base station link data in the communication simulation;
and establishing the adaptation table according to the satellite base station corresponding to the satellite base station link data and the optimal value of the service quality parameter.
Further, the method for allocating qos parameters further includes:
determining an allowable offset of the first quality of service parameter according to a satellite base station to which user equipment is currently connected and the adaptation table;
adding the allowed offset to the first policy.
Further, the determining the allowable offset of the first quality of service parameter according to the satellite base station to which the user equipment is currently connected and the adaptation table includes:
determining a space range according to the position of the satellite base station to which the user equipment is currently connected;
determining a plurality of satellite base stations located in the space range as target satellite base stations;
determining a service quality parameter corresponding to each target satellite base station according to the adaptation table;
and determining the allowed offset according to the first service quality parameter and the service quality parameter corresponding to each target satellite base station.
Further, the adding the first quality of service parameter to the first policy includes:
loading the first service quality parameter to a policy charging control rule;
and packaging the policy and charging control rule into a session management policy description in the first policy.
Further, the method for allocating the quality of service parameters is executed by a policy control function network element.
Further, the policy control function network element only allows the user equipment to subscribe to the first policy.
In another aspect, an embodiment of the present invention further includes a computer apparatus, including a memory and a processor, where the memory is used to store at least one program, and the processor is used to load the at least one program to perform the method for allocating qos parameters in the embodiment.
In another aspect, the present invention further includes a storage medium in which a program executable by a processor is stored, the program executable by the processor being configured to perform the method for allocating a quality of service parameter in the embodiments when executed by the processor.
The invention has the beneficial effects that: in the service quality parameter allocation method in the embodiment, the dynamic allocation of the service quality parameters can be completed only by using the service policy of the first policy, so that the user equipment can meet the allocation requirements of the service quality parameters generated by switching satellite base stations of different orbits only by subscribing one service policy at the policy control function network element PCF without subscribing a plurality of service policies. Because a plurality of service strategies do not need to be subscribed, workload such as addition, deletion, modification and check of the service strategy of each user equipment is small, and more user equipment can be served under the same performance condition.
Drawings
Fig. 1 is a flowchart illustrating a policy control function network element and a session management function network element in a process of establishing a flow in the related art;
FIG. 2 is a diagram illustrating a user equipment subscribing to a plurality of service policies according to the related art;
FIG. 3 is a diagram illustrating a nesting relationship between service policies, session management policy descriptions, policy charging control rules, and QoS parameters in an embodiment;
FIG. 4 is a flowchart of a QoS parameter distribution method according to an embodiment;
FIG. 5 is a flowchart of an Npcf _ SMPolicyControl _ UpdateNotify action in an embodiment;
fig. 6 is a schematic diagram of the step of determining the first quality of service parameter in the embodiment.
Detailed Description
The PCF (policy control function network element) is the highest level rule distribution network element in the 5 GC. The policy control function network element is responsible for allocating pc-rule (policy charging control rule) to the user, and the policy charging control rule has qos (quality of service parameter). The service quality parameters comprise ARP, QCI, xBR, RQA, Notification Control and Maximum Packet Loss Rate, the three parameters are mainly applied to the ARP, QCI and xBR at present, and the other three parameters are not considered for Control.
Referring to fig. 1, in some related technologies, to establish a dedicated flow (a flow, specifically, a data flow), an SMF (session management function network element) needs to obtain a pc-rule (policy charging control rule) from a policy control function network element, package the policy charging control rule, and send the policy charging control rule to an NF (network function) set, where the NF set includes a UPF (user plane function network element), an AMF (access and mobility management function network element), and the like, and the NF set establishes a pdu-session, so that a flow is established between a UE (user equipment) and the user plane function network element.
In this embodiment, the user equipment may be a mobile device such as a mobile phone and a tablet computer having a satellite communication function, or may be a satellite signal transceiver fixed in a building or a receiving station. The satellite base stations may be communication satellites operating in different orbits, high, medium, and low. The policy control function network element, the session management function network element, the access and mobility management function network element, the user plane function network element, and other network elements may be a component network element of a 5G core network or a more advanced core network, and these network elements may be independent hardware devices, or may be programs or processes running in a computer.
Referring to fig. 1, in some related arts, a procedure for a user equipment to establish a Flow (Flow) and PDU session with a satellite base station includes:
1. when the session management function network element SMF receives a user information request to establish a pdu-session, the session management function network element SMF packages user information (including sui, dnn, tarType, etc.) into a data structure SmPolicyContextData, and on the basis of a protocol, the session management function network element SMF writes a base station unique identifier cell-id brought by an access and mobility management function network element AMF into SmpolicyContextData.
2. When the session management function network element SMF completes SmPolicyContextData packing, it sends it to the policy control function network element PCF by the post method of http2, this action is called Npcf _ SMPolicyControl _ CreateReq (all called Npcf _ smpolicying session management policy control request, that is, Npcf-session policy control generation request), and when the policy control function network element successfully receives SmPolicyContextData sent by SMF, the policy control function network element PCF performs PCF-run matching inside PCF according to the user subscription configured on the policy control function network element PCF. Referring to fig. 2, in the related art, one user equipment is required to subscribe to a plurality of service policies. Referring to fig. 3, the service policy, the session management policy description SmPolicyDecision, the policy and charging control Rule Pcc-Rule, and the quality of service parameter qos may be in a nested relationship, that is, one service policy includes a session management policy description, the session management policy description includes a policy and charging control Rule, and the policy and charging control Rule includes a quality of service parameter. Since each quality of service parameter is respectively directed to communication satellites in different orbits, each service policy is respectively directed to communication satellites in different orbits. When the matching is successful, the policy control function network element PCF packs the configured pc-rule in SmPolicyDecision.
3. After the policy control function network element PCF packages the SmPolicyDecision, the policy control function network element PCF will reply the SmPolicyDecision to the session management function network element SMF with the resp triggered by http2post sent by the session management function network element SMF, and this action is called Npcf _ SMPolicyControl _ CreateResp (all called n-policy changing session management policy control request, that is, Npcf-session policy control generation reply).
4. When the smf receives SmPolicyDesision, the smf interacts with an access and mobility management function network element AMF, a user plane function network element UPF and the like, so that the user terminal UE and the user plane function network element UPF establish flow, and a pdu-session is generated.
In this embodiment, the qos parameter allocation method may be executed by a policy control function network element PCF. For convenience of understanding, the user equipment refers to a specific user equipment among a plurality of user equipments served by the policy control function network element PCF, i.e. the "user equipment" of the context may refer to the same equipment, unless otherwise noted.
Referring to fig. 4, the quality of service parameter allocation method includes the steps of:
s1, determining a first quality of service parameter; the first service quality parameter is a service quality parameter adaptive to a satellite base station to which the user equipment is currently connected;
s2, adding the first service quality parameter into a first strategy; the first strategy is a service strategy subscribed by the user equipment;
s3, sending the first strategy to a session management function network element; the first policy is for the session management function network element to establish or maintain a flow with the user equipment.
In step S1, the policy control function network element PCF may track changes of the satellite base station to which the user equipment is connected, and when it is detected that the user equipment switches the satellite base station, the policy control function network element PCF queries the quality of service parameters adapted to the satellite base station after the user equipment switches. The quality of service parameter adapted by the satellite base station after the handover of the user equipment is the first quality of service parameter in step S1.
In step S2, the policy control function network element PCF finds out the service policy subscribed by the user equipment. Since the service quality parameter allocation method in this embodiment can achieve the effect of only subscribing to one service policy, that is, adapting to satellite base stations of different orbits, the policy control function network element PCF allows the user equipment to subscribe to only one service policy. In case the user equipment subscribes to only one service policy at the policy control function network element PCF, this service policy is the first policy in step S2. In the case that the user equipment subscribes to multiple service policies at the policy control function network element PCF, the first policy in step S2 may refer to a specific one of the service policies, and at this time, other service policies may be ignored, and only the first policy is used.
In this embodiment, the first policy may also have a nested structure shown in fig. 3, that is, the first policy may include a session management policy description SmPolicyDecision, the session management policy description SmPolicyDecision may include a policy and charging control rule pc-rule, and the policy and charging control rule pc-rule may include a quality of service parameter qos. In step S2, adding the first qos parameter to the first policy may refer to loading the first qos parameter to the policy and charging control rule pc-rule according to the nesting relationship shown in fig. 3, and then packaging the policy and charging control rule pc-rule into the session management policy description SmPolicyDecision in the first policy, so as to obtain the first policy by packaging.
In step S3, the policy control function network element PCF sends the first policy to the session management function network element SMF. Specifically, in step S3, the policy control function network element PCF triggers an Npcf _ SMPolicyControl _ UpdateNotify action, regenerates a pc-rule and packages the pcc-rule into SmPolicyDecision, packages the SmPolicyDecision into a first policy, and sends the first policy to the session management function network element SMF by an http2post method.
The flow of the Npcf _ SMPolicyControl _ UpdateNotify action is shown in fig. 5, and the action is that the policy control function network element PCF actively updates the pc-rule for the user, and when the user policy configuration information on the policy control function network element PCF is modified, the policy control function network element PCF may select to actively update the policy service for the service. The policy control function network element PCF regenerates the pc-rule and packs it into SmPolicyDecision, packs it into the first policy, sends the first policy to the session management function network element SMF by http2post method, and this action is called Npcf _ SMPolicyControl _ updatereq (all called n-policy control session management policy update notification request, that is, Npcf-session policy control update notification request).
And when the session management function network element SMF receives the first strategy, resolving SmPolicyDecision, pc-rule and service quality parameters from the first strategy. After the resolution is successful, the session management function network element SMF replies to the policy control function network element PCF 200OK with an http2 resp of Npcf _ SMPolicyControl _ updatenotify req, which action is called Npcf _ SMPolicyControl _ updatenotify resp (all called n-policy transmission session management policy control update notification reply, i.e. Npcf-session policy control update notification reply).
After the session management function network element SMF resolves the service quality parameter from the first policy, the session management function network element SMF interacts with the access and mobility management function network element AMF, the user plane function network element UPF, and the like using the resolved service quality parameter, so that the user terminal UE and the user plane function network element UPF establish a flow, and a pdu-session is generated. Since the first policy used for establishing and maintaining the flow and the quality of service parameters are adapted to the satellite base station to which the user equipment is currently connected, a communication quality that is standard or higher can be obtained. In the process of executing steps S1-S3, only one service policy, i.e., the first policy, is used, so that the user equipment can satisfy the requirement for allocating the quality of service parameters generated by switching the satellite base stations in different orbits only by subscribing to one service policy at the policy control function network element PCF and without subscribing to multiple service policies. Because a plurality of service strategies do not need to be subscribed, workload such as addition, deletion, modification and check of the service strategy of each user equipment is small, and more user equipment can be served under the same performance condition.
In this embodiment, step S2, that is, the step of determining the first quality of service parameter, specifically includes the following steps:
s101, acquiring satellite base station link data from an operation maintenance management network element;
s102, communication simulation is carried out according to the link data of the satellite base station;
s103, determining the optimal values of the service quality parameters corresponding to different satellite base station link data in communication simulation;
s104, establishing an adaptation table according to the satellite base station corresponding to the satellite base station link data and the optimal value of the service quality parameter;
s105, receiving registration of the user equipment through a session management function network element;
s106, determining a satellite base station registered by the user equipment;
s107, according to the satellite base station registered by the user equipment, the adaptive service quality parameter is inquired in the adaptive table to serve as the first service quality parameter.
The process of steps S101-S107 is shown in fig. 6. Steps S101-S104 are procedures for establishing an adaptation table. Steps S105-S107 are a procedure for querying the first quality of service parameter according to the adaptation table.
In step S101, each satellite base station counts link data of a past week, then uses a prophet to perform modeling, uses a prophet model to predict a packet delay bucket and a packet error rate of the current day, performs downsampling on the data, and outputs a set of values every 10 minutes, thereby obtaining the satellite base station link data of the satellite base station. In this embodiment, the format of one satellite base station link data is shown in table 1.
TABLE 1
| Cell ID | timestamp | Packet delay budget | Packet |
| 1 | 20210630-00:00:00 | 100ms | 10 -2 |
| 2 | 20210630-00:00:00 | 200ms | 10 -2 |
In step S101, an operation, maintenance, and management network element OAM receives satellite base station link data reported by different satellite base stations periodically or aperiodically. And the operation maintenance management network element OAM stores the satellite base station link data in a local database to obtain a satellite base station link data table. In this embodiment, the type of the satellite base station link data table is json, and the structure and content of the satellite base station link data table are as follows:
{cell-Id：{}，cell-Id：{}，......,cell-Id：{}}
cell-id: base station unique identifier
And the strategy control function network element PCF reads the satellite base station link data from the satellite base station link data table stored by the operation maintenance management network element. In steps S102 and S103, the policy control function network element PCF performs communication simulation locally, that is, simulates a communication environment based on parameters such as the position and the working state of the current satellite base station, and simulates optimal values of service quality parameters corresponding to different satellite base station link data in such a communication environment. In step S104, the policy control function network element PCF establishes an adaptation table with the satellite base station corresponding to the satellite base station link data and the best value of the service quality parameter, that is, the adaptation table records the adaptation relationship between different satellite base stations and the service quality parameter. For example, if the unique ID is used to distinguish different satellite base stations, the main content of the adaptation table is the mapping relationship between the satellite base station ID and the service quality parameter, and the service quality parameter queried according to a satellite base station ID is the service quality parameter adapted to the satellite base station.
In this embodiment, the type of the adaptation table is json, and the structure and content of the adaptation table are as follows:
{cell-Id:{5qi:9,arp:8,GbrDl:1024000,GbrUl:1024000,MbrDl:1024000,MbrUl:1024000}，…...,cell-Id:{5qi:3,arp:3,GbrDl:2048000,GbrUl:2048000,MbrDl:2048000,MbrUl:2048000}}
cell-id: base station unique identifier
In this embodiment, the quality of service parameter may include a plurality of specific parameters, and the specific parameter used by the policy control function network element PCF may include the following parameters:
5 qi: 5g-QoS-Class-Identifier, QoS Class Identifier;
arp: allocation and Retention Priority, assigning Retention Priority;
gbrdl: Guaranceed-Bitrate-DL lowest downlink bit rate;
GbrUl: Guaranteed-Bitrate-UL lowest uplink bit rate;
mbrdl: the Max-Requested-Bandwidth-DL requests the maximum Bandwidth downlink rate;
MbrUl: and the Max-Requested-Bandwidth-UL requests the maximum Bandwidth uplink rate.
After obtaining the adaptation table, the policy control function network element PCF may perform steps S105-S107.
In step S105, when the user equipment is initially connected or switched to a satellite base station, the user equipment registers in the session management function network element SMF. After the user equipment is registered in the session management function network element SMF, the policy control function network element PCF may determine which satellite base station the user equipment is connected to. In step S107, the policy control function network element PCF queries the adapted quality of service parameter in the adaptation table according to the satellite base station registered by the user equipment, and uses the queried quality of service parameter as the first quality of service parameter for invoking when performing step S2.
In this embodiment, the policy control function network element PCF may further perform the following steps on the basis of performing steps S1 and S2:
s4, determining the allowable offset of the first quality of service parameter according to the satellite base station and the adaptation table which are currently connected with the user equipment;
and S5, adding the allowed offset into the first strategy.
Step S4 specifically includes the following steps:
s401, determining a space range according to the position of a satellite base station to which user equipment is currently connected;
s402, determining a plurality of satellite base stations located in a space range as target satellite base stations;
s403, determining service quality parameters corresponding to each target satellite base station according to the adaptation table;
s404, determining an allowable offset according to the first service quality parameter and the service quality parameter corresponding to each target satellite base station.
In step S401, the policy control function network element PCF determines the spatial range according to the location of the satellite base station to which the user equipment is currently connected. The satellite base station to which the user equipment is currently connected may be a satellite base station to which the user equipment is connected after being switched. The spatial range in step S401 may refer to a spatial range of outer space, or may refer to a spatial range in a network topology formed by connections between satellite base stations. When the spatial range in step S401 is a spatial range of the outer space, the position of the satellite base station to which the user equipment is currently connected may be represented by coordinates, and the spatial range includes the position of the satellite base station to which the user equipment is currently connected, and is formed by extending a certain distance. When the spatial range in step S401 is a spatial range in a network topology formed by connections between satellite base stations, the position of the satellite base station to which the user equipment is currently connected may be represented by a node number, and the spatial range is formed by including the position of the satellite base station to which the user equipment is currently connected and extending a certain number of nodes. The plurality of satellite base stations located within the spatial range become the target satellite base station in step S402.
In step S403, the service quality parameters corresponding to each target satellite base station are obtained through query according to the adaptation table.
In step S404, if one qos parameter is a single indicator, for example, one qos parameter only refers to a delay parameter, a maximum value and a minimum value of the queried qos parameters may determine a value interval, and the first qos parameter is also located in the interval, which may be determined as an allowed offset. If a qos parameter is composed of multiple indexes, for example, a qos parameter includes 4 parameters of throughput, delay variation, and loss rate, then a qos parameter can be regarded as a vector having 4 dimensions of throughput, delay variation, and loss rate, then multiple qos parameters obtained by querying will be located in the same minimum multidimensional space, and then the multidimensional space can be determined as an allowable offset.
The allowed offset, determined by steps S401-S404, may be added to the first policy in step S5. Step S5 is the same as step S2 in principle, that is, regarding the allowed offset of the first qos parameter as data of the same type as the first qos parameter, and referring to the structure shown in fig. 3, regarding the allowed offset of the first qos parameter as being sequentially packaged together with the first qos parameter into the policy and charging control rule pc-rule, the session management policy description SmPolicyDecision, and the first policy. The packaged first policy may be sent to the session management function network element SMF according to step S3.
The session management function network element SMF may parse the allowed offset of the first quality of service parameter from the first policy, and adjust the first quality of service parameter within a range determined by the allowed offset when using the first quality of service parameter. Since the first qos parameter is a qos parameter adapted to the satellite base station to which the user equipment is currently connected, and the allowable offset indicates a qos parameter adapted to a satellite base station around the satellite base station in space or in the network topology to which the user equipment is currently connected, as can be known from the principle of steps S401 to S404, the session management function network element SMF adjusts the first qos parameter within the range determined by the allowable offset, and can compensate for an error caused by low measurement accuracy or low real-time performance.
The qos parameter allocation method in the present embodiment may be implemented by writing a computer program for implementing the qos parameter allocation method in the present embodiment, writing the computer program into a computer device or a storage medium, and executing the qos parameter allocation method in the present embodiment when the computer program is read out and run, thereby achieving the same technical effects as the qos parameter allocation method in the embodiment.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the descriptions of upper, lower, left, right, etc. used in the present disclosure are only relative to the mutual positional relationship of the constituent parts of the present disclosure in the drawings. As used in this disclosure, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. In addition, unless defined otherwise, all technical and scientific terms used in this example have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description of the embodiments herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this embodiment, the term "and/or" includes any combination of one or more of the associated listed items.
It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element of the same type from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present disclosure. The use of any and all examples, or exemplary language ("e.g.," such as "or the like") provided with this embodiment is intended merely to better illuminate embodiments of the invention and does not pose a limitation on the scope of the invention unless otherwise claimed.
It should be recognized that embodiments of the present invention can be realized and implemented by computer hardware, a combination of hardware and software, or by computer instructions stored in a non-transitory computer readable memory. The methods may be implemented in a computer program using standard programming techniques, including a non-transitory computer-readable storage medium configured with the computer program, where the storage medium so configured causes a computer to operate in a specific and predefined manner, according to the methods and figures described in the detailed description. Each program may be implemented in a high level procedural or object oriented programming language to communicate with a computer system. However, the program(s) can be implemented in assembly or machine language, if desired. In any case, the language may be a compiled or interpreted language. Furthermore, the program can be run on a programmed application specific integrated circuit for this purpose.
Further, operations of processes described in this embodiment can be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The processes described in this embodiment (or variations and/or combinations thereof) may be performed under the control of one or more computer systems configured with executable instructions, and may be implemented as code (e.g., executable instructions, one or more computer programs, or one or more applications) collectively executed on one or more processors, by hardware, or combinations thereof. The computer program includes a plurality of instructions executable by one or more processors.
Further, the method may be implemented in any type of computing platform operatively connected to a suitable interface, including but not limited to a personal computer, mini computer, mainframe, workstation, networked or distributed computing environment, separate or integrated computer platform, or in communication with a charged particle tool or other imaging device, and the like. Aspects of the invention may be embodied in machine-readable code stored on a non-transitory storage medium or device, whether removable or integrated into a computing platform, such as a hard disk, optically read and/or write storage medium, RAM, ROM, or the like, such that it may be read by a programmable computer, which when read by the storage medium or device, is operative to configure and operate the computer to perform the procedures described herein. Further, the machine-readable code, or portions thereof, may be transmitted over a wired or wireless network. The invention described in this embodiment includes these and other different types of non-transitory computer-readable storage media when such media include instructions or programs that implement the steps described above in conjunction with a microprocessor or other data processor. The invention also includes the computer itself when programmed according to the methods and techniques described herein.
A computer program can be applied to input data to perform the functions described in the present embodiment to convert the input data to generate output data that is stored to a non-volatile memory. The output information may also be applied to one or more output devices, such as a display. In a preferred embodiment of the invention, the transformed data represents physical and tangible objects, including particular visual depictions of physical and tangible objects produced on a display.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention as long as the technical effects of the present invention are achieved by the same means. The invention is capable of other modifications and variations in its technical solution and/or its implementation, within the scope of protection of the invention.
Claims (6)
1. A method for allocating qos parameters, the method being performed by a policy control function network element, the method comprising:
determining a first quality of service parameter; the first service quality parameter is a service quality parameter adaptive to a satellite base station to which the user equipment is currently connected;
adding the first quality of service parameter to a first policy; the first policy is a service policy subscribed by the user equipment;
sending the first strategy to a session management function network element; the first policy is used for the session management function network element to establish or maintain a flow with the user equipment;
the policy control function network element only allows the user equipment to subscribe to the first policy;
the determining the first quality of service parameter includes:
receiving the registration of the user equipment through the session management function network element;
determining a satellite base station registered by the user equipment;
according to the satellite base station registered by the user equipment, inquiring the adaptive service quality parameter in an adaptive table as the first service quality parameter; the adaptation table records the adaptation relation between different satellite base stations and service quality parameters;
acquiring satellite base station link data from an operation maintenance management network element; the satellite base station link data is reported to the operation maintenance management network element by different satellite base stations;
performing communication simulation according to the satellite base station link data;
determining the optimal values of the service quality parameters respectively corresponding to different satellite base station link data in the communication simulation;
and establishing the adaptation table according to the satellite base station corresponding to the satellite base station link data and the optimal value of the service quality parameter.
2. The qos parameter allocation method according to claim 1, further comprising:
determining an allowable offset of the first quality of service parameter according to a satellite base station to which user equipment is currently connected and the adaptation table;
adding the allowed offset to the first policy.
3. The qos parameter assignment method according to claim 2, wherein the determining the allowable offset of the first qos parameter according to the currently connected satellite bs of the ue and the adaptation table comprises:
determining a space range according to the position of the satellite base station to which the user equipment is currently connected;
determining a plurality of satellite base stations located in the space range as target satellite base stations;
determining a service quality parameter corresponding to each target satellite base station according to the adaptation table;
and determining the allowed offset according to the first service quality parameter and the service quality parameter corresponding to each target satellite base station.
4. The qos parameter allocation method according to claim 1, wherein the adding the first qos parameter to the first policy comprises:
loading the first service quality parameter to a policy charging control rule;
and packaging the policy and charging control rule into a session management policy description in the first policy.
5. A computer arrangement comprising a memory for storing at least one program and a processor for loading the at least one program to perform the quality of service parameter allocation method of any one of claims 1-4.
6. A storage medium having stored therein a program executable by a processor, wherein the program executable by the processor is adapted to perform the method of any one of claims 1 to 4 when executed by the processor.
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