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WO2018161693A1 - Système et procédé permettant d'assurer une qualité de service - Google Patents

Système et procédé permettant d'assurer une qualité de service Download PDF

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Publication number
WO2018161693A1
WO2018161693A1 PCT/CN2017/119023 CN2017119023W WO2018161693A1 WO 2018161693 A1 WO2018161693 A1 WO 2018161693A1 CN 2017119023 W CN2017119023 W CN 2017119023W WO 2018161693 A1 WO2018161693 A1 WO 2018161693A1
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WIPO (PCT)
Prior art keywords
qos
service
adjusted
bearer
services
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PCT/CN2017/119023
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English (en)
Chinese (zh)
Inventor
顾晓蕴
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003—Managing SLA; Interaction between SLA and QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003—Managing SLA; Interaction between SLA and QoS
    • H04L41/5019—Ensuring fulfilment of SLA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/80—Actions related to the user profile or the type of traffic
    • H04L47/805—QOS or priority aware

Definitions

  • This document relates to, but is not limited to, the field of mobile communication technologies, and in particular, to a quality of service (QoS) guarantee system and method.
  • QoS quality of service
  • QoS Quality of Service
  • the service QoS guarantee method in the related art includes the following two methods:
  • the first method the operator attempts to analyze each type of service behavior of the user, and obtains a universal QoS as a weighted average for each type of service, Due to the wide variety of mobile Internet services, unpredictable services, and different requirements for delay, jitter, packet loss rate, and bandwidth requirements of different services, this method is not applicable in mobile communication networks, or it is difficult to find by this method.
  • a fixed algorithm is obtained to obtain QoS for all kinds of changed services, and the total bandwidth resources in the mobile network are limited, and it is impossible to allocate sufficient bandwidth for all services in advance to meet the needs of all users.
  • the second method is: the 3rd Generation Partnership Project (3GPP, the 3rd Generation Partnership Project) network uses the Application Detection Control (ADC) function to perform the service QoS guarantee service.
  • ADC Application Detection Control
  • PCEF Policy and Charging Implementation Function Module
  • PCC Control Architecture
  • PCRF Policy and Charging Rules Function Module
  • BCM terminal bearer control mode
  • UE_NW network initiated
  • the service QoS guarantee service in the related art described above cannot dynamically adjust the QoS guarantee service according to the service type, and cannot satisfy the QoS guarantee service of all services.
  • the embodiment of the present invention provides a QoS guarantee system, including:
  • a detecting module configured to detect whether the UE updates the to-be-protected service; and when detecting that the UE updates the to-be-protected service, obtain the bearer QoS of the service bearer channel to be adjusted according to the QoS of all the to-be-protected services of the UE,
  • the bearer QoS to be adjusted is used as the QoS to be adjusted;
  • a comparison module configured to compare the subscription QoS of the UE with the to-be-adjusted QoS to determine whether the subscription QoS of the UE can meet the QoS requirements of all currently to-be-guaranteed services;
  • the update module is configured to update the service bearer channel QoS to be QoS to be adjusted when the subscription QoS fails to meet the QoS requirements of all the currently guaranteed services.
  • the embodiment of the present invention further provides a QoS guarantee method, where the QoS of the service bearer channel is established between the UE and the GW, and the QoS of the UE is consistent with the GW, and the QoS guarantee method includes:
  • Detecting whether the UE updates the to-be-protected service when detecting the UE to update the to-be-protected service, obtaining the bearer QoS to be adjusted by the service bearer channel according to the QoS of all the to-be-protected services of the UE, and the bearer to be adjusted QoS as the QoS to be adjusted;
  • the QoS of the service bearer channel is updated to be QoS to be adjusted.
  • One or more non-transitory computer readable storage media storing computer executable instructions, which when executed by one or more processors, cause the one or more processors to perform the following steps :
  • Detecting whether the UE updates the to-be-protected service when detecting the UE to update the to-be-protected service, obtaining the bearer QoS to be adjusted by the service bearer channel according to the QoS of all the to-be-protected services of the UE, and the bearer to be adjusted QoS as the QoS to be adjusted;
  • the QoS of the service bearer channel is updated to be QoS to be adjusted.
  • the detecting module is configured to detect whether the UE updates the to-be-guaranteed service; and when detecting that the UE updates the to-be-protected service, obtain the service bearer channel according to the QoS of all the to-be-guaranteed services of the UE.
  • the bearer QoS to be adjusted is used as the to-be-adjusted QoS;
  • the comparing module is configured to compare the subscribed QoS of the UE with the to-be-adjusted QoS to determine whether the subscribed QoS of the UE can satisfy the current bearer
  • the QoS requirement of all services to be secured is secured;
  • an update module configured to update the QoS of the service bearer channel to be QoS to be adjusted when the QoS requirement of the bearer QoS is not met.
  • the QoS requirements of all the services to be secured are dynamically calculated to meet the requirements of each service for bearer QoS.
  • the QoS guarantee service is dynamically adjusted according to the service type, and the QoS guarantee service of all services is satisfied.
  • FIG. 1 is a schematic flowchart of a first embodiment of a QoS guarantee system according to the present invention
  • FIG. 2 is a schematic flowchart of a second embodiment of a QoS guarantee system according to the present invention.
  • FIG. 3 is a schematic diagram of functional modules of a first embodiment of a QoS guarantee system according to the present invention.
  • FIG. 4 is a schematic diagram of functional modules of a second embodiment of a QoS guarantee system according to the present invention.
  • FIG. 5 is a flowchart of calculating a QoS according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a scenario of a security system and method according to an embodiment of the present invention.
  • the embodiment of the present invention provides a QoS guarantee system.
  • the embodiment of the present invention may implement a QoS guarantee system based on a mobile network.
  • the QoS guarantee system includes a user equipment (UE) and a gateway (GW).
  • the QoS of the service bearer channel is established between the UE and the GW, and the QoS of the UE is consistent with the GW.
  • the QoS guarantee system further includes:
  • the detecting module 10 is configured to detect whether the UE updates the to-be-protected service, and when detecting the UE to update the to-be-protected service, obtain the bearer QoS to be adjusted by the service bearer channel according to the QoS of all the to-be-protected services of the UE, and the to-be-adjusted Bearer QoS as the QoS to be adjusted;
  • the UE may include a user equipment, and the GW may include a gateway, and the QoS is a fixed QoS service.
  • the QoS includes the QoS of the service, the QoS of the UE, the QoS of the bearer channel, and the QoS of the service.
  • the QoS resource for the service is terminated.
  • the QoS requirement for each service is pre-configured.
  • the QoS that the UE subscribes to is fixed by the operator for the UE.
  • the QoS bearer resource service, the bearer channel bearer QoS is the total service bearer channel established by the UE and the GW, and the bearer QoS of the bearer channel may be temporary.
  • the bearer QoS of the bearer channel includes QoS on the GW side and QoS on the UE side, when the QoS on the GW side is updated.
  • the UE is notified to the UE in real time through the bearer update mechanism of the 3rd Generation Partnership Project (3GPP) to ensure that the QoS of the UE and the GW are consistent.
  • 3GPP 3rd Generation Partnership Project
  • the UE When the UE is detected to access the to-be-guaranteed service, that is, the UE
  • the bearer QoS establishment with the GW bearer channel is successful, and the successful bearer QoS can be derived from the QoS signed by the UE, and the bearer QoS can also be obtained according to the QoS calculation of the service.
  • the GW side can obtain the QoS of all services, and calculate the QoS of all services to obtain the QoS of the bearer channel.
  • the service under the bearer is determined, but the service may be randomly changed at different times.
  • the bearer QoS of the bearer channel needs to be adjusted immediately to adapt to the change of the service.
  • the change of the service includes not only the UE start.
  • the use of a certain service also includes the UE to stop using certain services.
  • the bearer QoS of the bearer channel is restored to the original state, and all dynamically applied QoS resources are released.
  • the comparison module 20 is configured to compare the subscription QoS of the UE with the to-be-adjusted QoS to determine whether the subscription QoS of the UE can meet the QoS requirements of all the currently guaranteed services;
  • the update module 30 is configured to update the service bearer channel QoS to be QoS to be adjusted when the subscription QoS is not met.
  • the QoS of the bearer channel is updated to be the QoS to be adjusted, and the QoS to be adjusted is the optimal QoS parameter of all the services to be guaranteed.
  • the QoS to be adjusted can meet the QoS requirements of all the services to be guaranteed.
  • the QoS requirement of the UE to be guaranteed is met, the QoS of the bearer channel is restored.
  • the current service of the UE is a conversational video service, a real-time game service, and an email download service.
  • the QoS of the bearer channel of the three services is successfully established. If the voice service of the service session type is added, the QoS requirements of the four services are obtained.
  • the bearer channel bearer QoS that satisfies the four service requirements, that is, guarantees the service quality of the four services, and calculates the calculated bearer channel QoS of the four services and the subscription QoS of the UE, such as the subscription QoS of the UE.
  • the bearer QoS of the bearer channel is restored to be the subscription QoS of the UE. If the QoS of the bearer channel of the three uplink services is updated, the bearer channel of the four types of services is calculated. Bear QoS.
  • the GW detects the access of the UE, the GW and the UE bearer channel are successfully established. If the GW detects that the service 1 is started, the GW calculates the bearer channel to be adjusted to be guaranteed.
  • the QoS of the bearer channel to be tuned for the service to be secured 1 is QoS1. If the QoS of the UE is not able to bear the QoS requirement of the service to be secured, the QoS of the GW is updated to be QoS1, and the bearer is updated by the 3GPP.
  • the mechanism notifies the UE side in real time. The QoS on both the UE side and the GW side remains the same.
  • the bearer QoS required to be secured for the service 1 and the service 2 is calculated and the calculated result is taken as the QoS 2. If the QoS requirement of the UE to be secured is still not QoS, the QoS of the GW side is updated to be the bearer QoS2, and the UE is notified in real time by the bearer update mechanism, and the QoS of the UE side and the GW side are consistent. After the end of the service 1 is detected, the update of the to-be-adjusted bearer QoS is only guaranteed to ensure the service 2, and after the end of the service 2 is detected, the QoS of the user subscription is restored.
  • the detecting module 10 is configured to: detect whether the UE updates the to-be-protected service, and when detecting the UE to update the to-be-protected service, obtain the bearer QoS to be adjusted according to the QoS of all the to-be-protected services of the UE, and The bearer QoS to be adjusted is used as the to-be-adjusted QoS;
  • the comparison module is configured to: compare the subscribed QoS of the UE with the QoS to be adjusted to determine whether the subscribed QoS of the UE can meet the QoS requirements of all the currently guaranteed services;
  • the update module 30 is configured to: When the subscription QoS is not met, the QoS of the service bearer channel is updated to be QoS to be adjusted.
  • the QoS requirements of all the services to be secured are dynamically calculated to meet the requirements of the QoS of each service.
  • the QoS guarantee service is dynamically adjusted according to the service type, and the QoS guarantee service of all services is satisfied.
  • the second embodiment of the QoS guarantee system is provided on the basis of the first embodiment of the QoS guarantee system of the present invention.
  • the bearer QoS includes parameters of ARP and QCI
  • the detection module 10 includes:
  • the service behavior detecting unit 11 is configured to detect whether the UE updates the to-be-guaranteed service
  • the first selecting unit 12 is configured to: when detecting that the UE updates the to-be-protected service, select the ARP attribute value with the highest priority among the QoS of the current to-be-protected service of the UE as the preferred ARP value of the QoS to be adjusted;
  • the ARP (Allocation and Retention Priority) can be used to determine whether the corresponding service bearer can be established and updated successfully when the allocated bearer QoS resource is restricted.
  • the service behavior detecting unit 11 is configured to detect whether the UE updates the to-be-guaranteed service.
  • the QoS guarantee of the to-be-protected service is based on the detection behavior of the service behavior detecting unit, and the first selecting unit 12 is configured to: when detecting that the UE updates the to-be-protected service, select the highest priority of all the QoS in the current to-be-guaranteed service of the UE.
  • the ARP attribute value is used as the preferred ARP value of the QoS to be adjusted.
  • the calculation formula is Priority (ARP(1), ARP(2), ARP(3)...ARP(n)), and the ARP parameter is sent to the eNodeB. It is used for the eNodeB side to decide whether the corresponding bearer can be successfully established.
  • the ARP parameters include the following three conditions: First, the priority of the bearer establishment is successful when the QoS resources are tight. The smaller the ARP value is, the higher the priority is. In the case of QoS resources being tight, the bearer establishment with ARP 1 takes precedence over the ARP 2 The bearer is established. The second is the ARP preemption capability. Whether the QoS resources of other bearers can be preempted if the resources are insufficient. The third is the ability of the ARP to be preempted. If the QoS resources are insufficient, the QoS resources are insufficient. In this case, the bearer will not be triggered to be released to save QoS resources.
  • the second selecting unit 13 is configured to select a QCI attribute value with the highest priority among the QoS of all the to-be-protected services of the UE as the preferred QCI value of the QoS to be adjusted;
  • the calculating unit 14 is configured to calculate a required bandwidth of the QoS to be adjusted according to the preferred QCI value.
  • the QoS Class Identifier is a unified identification method for the UE and the GW to transmit services. Different QCI services need to use different bearers. Each QCI corresponds to a set of parameters. The parameters corresponding to the QCI are The second selecting unit 13 is pre-configured on each device, and is configured to select a QCI attribute value with the highest priority among the current QCIs of the UE to be guaranteed as the QCI value of the QoS to be adjusted, Priority (QCI(1), QCI (2), QCI (3) ... QCI (n)) are calculation formulas. The value of the QCI attribute value with the highest priority is determined. The smaller the value of the QCI value, the higher the priority.
  • the service behavior detecting unit 11, the first selecting unit 12, the second selecting unit 13, and the calculating unit 14; the values of the QoS parameters to be adjusted are prioritized among the QoS parameters of the service to be secured under the current bearer. The highest level, thus meeting the current QoS guarantee services for all services to be secured, and improving the user experience.
  • a third embodiment of the QoS guarantee system is provided.
  • the computing unit 14 is configured to:
  • the sum of the maximum bit rate (MBR) of all currently to-be-protected services is selected as the MBR of the QoS to be adjusted and/or the guaranteed bit rate of all currently to-be-guaranteed services is selected ( The sum of GBR) as the GBR to be adjusted QoS;
  • the APN-AMBR whose access point aggregation maximum bit rate (APN-AMBR) is the value of the QoS to be adjusted is selected.
  • the bearer is divided into a GBR bearer and a non-guaranteed bit rate (Non-GBR) bearer.
  • the GBR bearer guarantees the bit rate bearer
  • the Non-GBR bearer does not guarantee the bit rate bearer
  • the service guarantee system guarantees by QoS resources.
  • the bit rate of the data stream can pass all the time when the GBR does not exceed the GBR.
  • the traffic exceeding the GBR may be discarded when it is congested. When the traffic is not congested, the traffic exceeding the GBR but less than the maximum bit rate (MBR) can pass.
  • the identifiers of the QCIs that are 1 to 4 are GBR bearers
  • the identifiers of the QCIs 5 to 9 are Non-GBR bearers.
  • the QCI attribute value with the highest priority is 1-4
  • all current services to be secured are selected.
  • the sum of the MBRs is the MBR of the bearer or the GBR of the current service to be secured as the GBR of the QoS to be adjusted.
  • the APN-AMBR with the largest current service is selected.
  • the value is the APN-AMBR to be adjusted QoS.
  • the APN-AMBR can be the maximum bit rate rate of all non-GBR bearers aggregated by one UE in one network access technology (APN). The different scenarios are shown in FIG. 5.
  • the sum of the MBRs of all currently to-be-protected services is selected as the MBR of the QoS to be adjusted and/or the sum of the GBRs of all the currently-guaranteed services are selected.
  • the GBR of the QoS to be adjusted when the value of the QCI attribute with the highest priority is the second preset interval, the APN-AMBR with the largest current service value is selected as the APN-AMBR of the QoS to be adjusted. Since the bandwidth conforms to the calculation method in the 3GPP protocol, the terminal is applicable to the UE_ONLY mode or the UE_NW mode, and the versatility is stronger.
  • the detection module (10) further includes:
  • the obtaining unit (15) is configured to: when detecting that the UE updates the to-be-protected service, perform classification mapping on all current to-be-guaranteed services according to the QCI attribute value;
  • the second judging unit (16) is configured to determine whether the updated service to be secured is the same as the type of the service to be secured before the update, and when the updated service to be secured is different from the type of the service to be secured before the update, The QoS of all the to-be-protected services of the UE is obtained, and the bearer QoS of the service bearer channel to be adjusted is obtained, and the bearer QoS to be adjusted is used as the QoS to be adjusted.
  • the obtaining unit (15) is configured to acquire and classify the to-be-protected service according to the QCI attribute value of the service to be secured. If the attribute value of the service QCI is the same, the service has similar requirements for data delay and packet loss rate, such as If the attribute values of the conversational voice service QCI are the same, they can be classified into one category.
  • the conversational video services are also classified into one category according to the attribute values of the QCI; the real-time games are classified into one category; the mailbox service, the FTP download, the www service, etc.
  • the second judging unit is configured to determine whether the updated service to be secured is the same as the service to be secured before the update, and if not, perform the acquisition and pass all current services to be secured by the UE.
  • the QoS calculates the bearer QoS to be adjusted, and thus can effectively reduce the number of times the bearer QoS is adjusted.
  • the obtaining unit 15 is configured to: when detecting that the UE updates the to-be-protected service, perform classification mapping on the current all to-be-guaranteed services according to the QCI attribute value; the second determining unit 16 is configured to determine Whether the updated service to be secured is the same as the type of the service to be secured before the update, and when not the same, the QoS of the service bearer channel to be adjusted is obtained according to the QoS of all the to-be-protected services of the UE, and the The adjusted bearer QoS is used as the QoS to be adjusted. Therefore, when the QoS guarantee service is dynamically adjusted according to the service type to meet the QoS guarantee service of all services, the number of times of adjusting the bearer QoS is reduced, thereby improving the user experience.
  • the fifth embodiment of the QoS guarantee system is provided on the basis of the first embodiment of the QoS guarantee system of the present invention.
  • the QoS guarantee system further includes:
  • the recovery module (40) is configured to restore the bearer channel QoS to the subscribed QoS of the UE when it is detected that all current to-be-guaranteed services are completed or when the subscribed QoS of the UE meets the QoS requirements of all currently to-be-guaranteed services.
  • the QoS of the bearer channel is the subscription QoS of the UE, so as to reduce the occupation of the QoS resources of the bearer channel; when the subsequent service is to be guaranteed, timely Provide service bearer channels.
  • the present invention provides a QoS guarantee method.
  • a service bearer channel QoS is established between a UE and a GW, and the QoS of the UE and the GW are consistent, and the QoS guarantee method is used.
  • Step 10 Detect whether the UE updates the to-be-guaranteed service.
  • detecting the UE to update the to-be-protected service obtain the bearer QoS of the service-carrying channel to be adjusted according to the QoS of all the to-be-protected services of the UE, and treat the bearer QoS to be adjusted as Adjust QoS;
  • the UE may include a user equipment, where the GW may be a gateway, and the QoS is a fixed service quality assurance service.
  • the QoS includes the QoS of the service, the QoS of the UE subscription, the QoS of the bearer channel, and the QoS of the service is started.
  • the QoS resource for the service the QoS resource to be used for the end of the service is released.
  • the QoS resource requirements of each service may be pre-configured.
  • the QoS of the UE may be provided by the operator for the UE.
  • the fixed QoS bearer resource service, the bearer channel bearer QoS includes the total service bearer channel established by the UE and the GW, and the bearer QoS of the bearer channel may be temporary, and the bearer QoS of the bearer channel includes QoS on the GW side and QoS on the UE side;
  • the UE may be notified in real time through the bearer update mechanism of the 3rd Generation Partnership Project (3GPP) to ensure that the QoS of the UE and the GW are consistent.
  • 3GPP 3rd Generation Partnership Project
  • the bearer QoS of the bearer channel of the UE and the GW is successfully established in time, and the successful bearer QoS may be derived from the QoS subscribed by the UE, and the QoS of the bearer may also be based on the QoS of the service.
  • Count obtained, when it is detected that the UE accesses the security services to be, GW-side all services available QoS, and calculates to obtain the QoS of each service bearer QoS bearer channel.
  • the service under the bearer may be determined; but at different times, the service may be randomly changed.
  • the bearer QoS of the bearer channel may be adjusted immediately to adapt to the change of the service, and the service change includes not only the UE.
  • the UE also stops using certain services.
  • the bearer QoS of the bearer channel is restored to the original state, and all dynamically applied QoS resources are released.
  • the QoS of all the to-be-protected services of the UE is obtained, and the bearer QoS of the bearer channel to be adjusted is calculated by using the QoS of all the to-be-protected services, and the bearer QoS to be adjusted is taken as the QoS to be adjusted.
  • Step 20 Compare the subscription QoS of the UE with the QoS to be adjusted to determine whether the subscription QoS of the UE can meet the QoS requirements of all the currently guaranteed services.
  • Step 30 When it is determined that the subscription QoS fails to meet the QoS requirements of all the currently guaranteed services, the QoS of the service bearer channel is updated to be the QoS to be adjusted.
  • the calculated QoS is used as the QoS to be adjusted.
  • the QoS of the UE can carry the QoS requirements of all the to-be-guaranteed services
  • the QoS of the UE is signed.
  • the priority of each parameter is higher than or equal to the QoS of all services to be guaranteed.
  • the bearer QoS of the bearer channel is the subscription QoS of the UE, and the number of QoS updates is reduced.
  • the QoS of the bearer channel is updated to be the QoS to be adjusted.
  • the QoS to be adjusted is the optimal QoS parameter of all the services to be guaranteed, the QoS to be adjusted can meet the QoS requirements of all the services to be guaranteed.
  • the mobile network-based QoS dynamic adjustment process according to the service behavior is as shown in FIG. 6.
  • the current UE's to-be-guaranteed service is a conversation-type video service, a real-time game service, and an e-mail download service, in these three items.
  • the QoS of the bearer channel of the three services is successfully established. If the voice service of the service session type is added, the QoS requirements of the four services are obtained.
  • the bearer channel bearer QoS that satisfies the four service requirements, that is, guarantees the service quality of the four services, and compares the calculated bearer channel QoS of the four services with the UE's subscription QoS, such as UE subscription
  • the QoS can meet the requirements of the four types of services, and the bearer QoS of the bearer channel is restored as the subscription QoS of the UE. If not, the bearer QoS of the bearer channel of the three uplink services is updated to calculate the bearer of the four types of services.
  • the channel carries QoS.
  • the GW and the UE bearer channel are successfully established. If the GW detects that the service 1 starts, the GW needs to adjust the bearer QoS required for the to-be-protected service 1.
  • the QoS of the bearer channel to be tuned for the service to be secured 1 is QoS1. If the QoS of the UE is not able to carry the QoS requirement of the service to be secured, the QoS of the GW is updated to bear the QoS1, and the bearer update mechanism is adopted by the 3GPP.
  • the UE side is notified in real time. The QoS on both the UE side and the GW side remains the same.
  • the bearer QoS required to be secured for the service 1 and the service 2 is calculated and the calculated result is taken as the QoS 2. If the QoS requirement of the UE to be secured is still not QoS, the QoS of the GW side is updated to be the bearer QoS2, and the UE is notified in real time by the bearer update mechanism, and the QoS of the UE side and the GW side are consistent. After the end of the service 1 is detected, the update of the to-be-adjusted bearer QoS is only guaranteed to ensure the service 2, and after the end of the service 2 is detected, the QoS of the user subscription is restored.
  • the QoS of the service bearer channel to be adjusted is obtained according to the QoS of all the to-be-protected services of the UE, and the to-be-adjusted is to be adjusted.
  • the second embodiment of the QoS guarantee method is provided on the basis of the first embodiment of the QoS guarantee method of the present invention.
  • the bearer QoS includes parameters of ARP and QCI.
  • Step 10 includes:
  • Step 11 Detect whether the UE updates a service to be secured
  • Step 12 When it is detected that the UE updates the to-be-protected service, the ARP attribute value with the highest priority in the QoS of the current to-be-protected service of the UE is selected as the preferred ARP value of the QoS to be adjusted; ARP, Allocation and Retention Priority) can be used to determine whether the corresponding service bearer can be established and updated successfully when the allocated bearer QoS resources are restricted, and whether the UE is required to update the to-be-guaranteed service, and the QoS guarantee of the to-be-guaranteed service is based on the service behavior detection.
  • ARP, Allocation and Retention Priority can be used to determine whether the corresponding service bearer can be established and updated successfully when the allocated bearer QoS resources are restricted, and whether the UE is required to update the to-be-guaranteed service, and the QoS guarantee of the to-be-guaranteed service is based on the service behavior detection.
  • the detection behavior of the unit when detecting that the UE updates the to-be-protected service, selects the ARP attribute value with the highest priority in the QoS of the current to-be-protected service of the UE as the preferred ARP value of the QoS to be adjusted, and the calculation formula is Priority ( ARP (1), ARP (2), ARP (3) ... ARP (n)), ARP parameters are mainly sent to the eNodeB, which is used by the eNodeB to determine whether the corresponding bearer can be successfully established.
  • the ARP parameters include the following three conditions: First, the priority of the bearer establishment is successful when the QoS resources are tight. The smaller the ARP value is, the higher the priority is.
  • the bearer establishment with ARP 1 takes precedence over the ARP 2
  • the bearer is established.
  • the second is the ARP preemption capability. Whether the QoS resources of other bearers can be preempted if the resources are insufficient.
  • the third is the preemption capability of the ARP. If the QoS resources are insufficient, the QoS resources are insufficient. In this case, the bearer will not be triggered to be released to save QoS resources.
  • Step 13 Select a QCI attribute value with the highest priority among the QoS of all the to-be-protected services of the UE as the preferred QCI value of the QoS to be adjusted;
  • Step 14 Calculate a required bandwidth of the QoS to be adjusted according to the preferred QCI value.
  • the QoS Class Identifier is a unified identification method for the UE and the GW to transmit services.
  • Different QCI services need to use different bearers, and each QCI corresponds to a set of parameters, corresponding to the QCI.
  • the parameter may be pre-configured on each device, and select the QCI attribute value with the highest priority among the current QCIs of the UE to be guaranteed as the QCI value of the QoS to be adjusted, Priority (QCI(1), QCI(2), QCI (3)...QCI(n)) is the calculation formula.
  • the value of the QCI attribute with the highest priority is determined. The smaller the value of the QCI is, the higher the priority is.
  • the required bandwidth of the QoS to be adjusted is calculated according to the preferred value of the QCI.
  • the ARP attribute value with the highest priority among the QoS of the current to-be-protected service of the UE is selected as the preferred ARP for the QoS to be adjusted.
  • the value of the QCI attribute with the highest priority in the current QoS of the UE to be guaranteed is selected as the preferred QCI value of the QoS to be adjusted; and the required bandwidth of the QoS to be adjusted is calculated according to the preferred QCI value.
  • the value of the QoS parameters to be adjusted is the highest priority among the QoS parameters of the service to be secured under the current bearer. Therefore, the QoS guarantee service of all the services to be guaranteed can be satisfied, and the user experience is improved.
  • step 14 includes:
  • the sum of the MBRs of all currently to-be-guaranteed services is selected as the MBR of the QoS to be adjusted; and/or the sum of the GBRs of all currently to-be-guaranteed services is selected as the to-be-adjusted QoS. GBR;
  • the APN-AMBR with the largest current service value is selected as the APN-AMBR of the QoS to be adjusted.
  • the Bearer is divided into a GBR bearer and a Non-GBR bearer.
  • the GBR bearer guarantees the bit rate bearer
  • the Non-GBR bearer does not guarantee the bit rate bearer
  • the service guarantee method guarantees the bit rate of the data stream by reserving QoS resources.
  • the GBR is not exceeded, the traffic that exceeds the GBR may be discarded. If the traffic exceeds the GBR, the traffic that exceeds the GBR but is less than the maximum bit rate (MBR) can pass.
  • the QCI is 1 to 4.
  • the identifier of the MBR is the bearer of the GBR, and the identifier of the QCI is 5 to 9 is the Non-GBR bearer.
  • the QCI attribute value of the highest priority is 1-4
  • the sum of the MBRs of all the services to be secured is selected as the MBR of the bearer.
  • the sum of the GBRs of all the services to be secured is selected as the GBR of the QoS to be adjusted.
  • the APN-AMBR with the largest current service is selected as the APN of the QoS to be adjusted.
  • AMBR, APN-AMBR is the maximum bit rate rate of all non-GBR bearers aggregated by a UE in a network access technology (APN). The different scenarios are shown in Figure 5.
  • the terminal when the preferred QCI value is in the first preset interval, the sum of the MBRs of all currently to-be-protected services is selected as the MBR of the QoS to be adjusted and/or the sum of the GBRs of all the currently-guaranteed services is selected.
  • the GBR of the QoS to be adjusted is selected.
  • the APN-AMBR with the largest current service value is selected as the APN-AMBR of the QoS to be adjusted. Since the bandwidth conforms to the calculation method in the 3GPP protocol, the terminal is applicable to the UE_ONLY mode or the UE_NW mode, and the versatility is stronger.
  • the fourth embodiment of the QoS guarantee method is provided on the basis of the first embodiment of the QoS guarantee method of the present invention.
  • the QoS calculation of all current to-be-guaranteed services of the UE is obtained and obtained.
  • the adjusted bearer QoS, and the bearer QoS to be adjusted as the to-be-adjusted QoS includes:
  • the current mapping of all the to-be-guaranteed services is performed according to the QCI attribute value
  • the updated service to be secured is the same as the type of the service to be secured before the update, and when not the same, obtaining the bearer QoS of the service bearer channel to be adjusted according to the QoS of all the to-be-protected services of the UE,
  • the bearer QoS to be adjusted is taken as the QoS to be adjusted.
  • the service has similar requirements for data delay and packet loss rate, for example, the attribute value of the session type voice service QCI is the same.
  • the conversational video service is also classified into one category according to the attribute value of QCI; real-time games are classified into one category; mailbox business, FTP download, www business, etc. are classified into one class, etc., and the updated
  • the QoS of the QoS to be adjusted is calculated by using the QoS of all the to-be-protected services of the UE.
  • the current all the to-be-guaranteed services are classified and mapped according to the QCI attribute value; and the updated to-be-guaranteed service and the pre-updated to-be-guaranteed service are determined.
  • the QoS is not the same, the QoS of the bearer to be adjusted is determined according to the QoS of the current to-be-protected service of the UE, and the QoS to be adjusted is used as the QoS to be adjusted. Therefore, when the QoS guarantee service is dynamically adjusted according to the service type to meet the QoS guarantee service of all services, the number of times of adjusting the bearer QoS is reduced, thereby improving the user experience.
  • the fifth embodiment of the QoS guarantee method is provided on the basis of the first embodiment of the QoS guarantee method of the present invention.
  • the QoS guarantee method further includes:
  • the restored bearer channel QoS is the subscribed QoS of the UE.
  • the QoS of the bearer channel is restored to be the subscription QoS of the UE, so that the UE provides the QoS of the service bearer channel according to the subscription QoS of the UE when the user accesses the service.
  • the QoS of the recovery bearer channel is the subscription QoS of the UE, so as to reduce the occupation of the QoS resources of the bearer channel.
  • the bearer channel QoS is restored as the subscription QoS of the UE when it is detected that all current to-be-guaranteed services are completed or when the subscribed QoS of the UE meets the QoS requirements of all currently to-be-guaranteed services.
  • the service bearer channel is provided in time and the occupation of the QoS resources of the bearer channel can be effectively reduced.
  • the embodiment of the invention further provides a computer readable storage medium storing computer executable instructions, which are implemented by the processor to implement the method described in the foregoing embodiments.
  • computer storage medium includes volatile and nonvolatile, implemented in any method or technology for storing information, such as computer readable instructions, data structures, program modules, or other data. , removable and non-removable media.
  • Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disc (DVD) or other optical disc storage, magnetic cartridge, magnetic tape, magnetic disk storage or other magnetic storage device, or may Any other medium used to store the desired information and that can be accessed by the computer.
  • communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal, such as a carrier wave or other transport mechanism, and can include any information delivery media.
  • the embodiment of the invention dynamically adjusts the QoS guarantee service according to the service type, and satisfies the QoS guarantee service of all services.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un système et un procédé pour assurer une qualité de service (QoS). Le système comprend : un module de detection ; un module de comparaison ; et un module de mise à jour. Le module de détection détecte si une unité d'équipement utilisateur (UE) a des services mis à jour qui doivent être assurés. Si tel est le cas, une QoS d'ajustement de support d'un canal de support de service est acquise en fonction de la QoS de tous les services actuels qui doivent être assurés de l'unité UE. La QoS d'ajustement de support est une QoS de réglage. Le module de comparaison compare une QoS d'abonnement de l'unité UE avec la QoS de réglage pour déterminer si la QoS d'abonnement de l'unité UE satisfait aux exigences QoS de tous les services actuels qui doivent être assurés. Le module de mise à jour met à jour une QoS du canal de support de service avec la QoS de réglage si la QoS d'abonnement ne satisfait pas aux exigences de QoS.
PCT/CN2017/119023 2017-03-07 2017-12-27 Système et procédé permettant d'assurer une qualité de service Ceased WO2018161693A1 (fr)

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