CN105578441A - Network quality of service (QoS) parameter updating method and apparatus thereof - Google Patents
Network quality of service (QoS) parameter updating method and apparatus thereof Download PDFInfo
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Abstract
The invention discloses a network quality of service (QoS) parameter updating method. When a policy and charging rule function (PCRF) is introduced into a long term evolution (LTE) network, the PCRF notifies a mobility management entity (MME) of an indication of a decision to a QoS parameter. The MME acquires the indication of the decision of the PCRF to the QoS parameter. When detecting that a trigger condition of updating the QoS parameter is satisfied, the MME determines a mode of updating the QoS parameter according to the indication. The invention simultaneously also discloses a network QoS parameter updating apparatus.
Description
Technical field
The present invention relates to mobile communication technology, particularly relate to a kind of update method and device of network service quality (QoS, QualityofService) parameter.
Background technology
In order to provide the service of differentiation to user, 3GPP introduces strategy and controls (PCC) framework with charging in Evolved Packet System (EPS) network.PCC framework carries out the management of bearing resource from end-to-end equipment such as terminal, wireless, core net, and can associate with charging policy, utilize the policy control that controls based on gate and QoS and the charging controlling functions based on stream, achieve the differentiation of data service, become more meticulous management and control, for operator provides more perfect management and control means, make the marketing, migration efficiency obtains sufficient network techniques support.
Figure 1 shows that PCC configuration diagram, wherein, "Policy and Charging Rules Function entity (PCRF, PolicyandChargingRuleFunction) and strategy and charging execution function entity (PCEF, PolicyandChargingEnforcementFunction) for realizing the key network element of PCC function.The function that PCRF comprises policy control decision and controls based on flow based charging, to PCEF provide about business data flow detection, gate, based on QoS and the network control function based on flow based charging (except diameter credit control), can with multiple dimension such as business, user, position, accumulative use amount, access style, time for trigger condition, generating tube regulatory control is then handed down to PCEF and performs.
PCEF comprises the detection of business data flow, strategy execution and the function such as charging based on stream, and functional entity is deployed in gateway device usually.
In Long Term Evolution (LTE) system, when to IP connect the relevant qos parameter of Access Network (IP-CAN) occur to change time, need to notify each network element in time, so as LTE system can real-time ensuring to the service quality of described IP-CAN.Fig. 2 illustrates the handling process that LTE system upgrades qos parameter.In this flow process, step 201: when the user contracting data in home subscriber server (HSS) changes, as subscriber equipment (UE) switch to 4G network from 2/3G network, HSS have updated qos parameter etc., HSS inserts user data to Mobility Management Entity (MME) instruction; Step 202:MME replys and inserts user data acknowledge message; Step 203:MME notifies that eNB upgrades UE context; Step 204:MME sends bearing modification instruction to gateway (SGW), carries the qos parameter after renewal; Bearing modification instruction is more passed to packet data network gateway (PGW) by step 205:SGW; Step 206:PGW sends to SGW and upgrades bearing request message; Step 207:SGW, UE, eNB, MME carry out carrying according to the qos parameter after renewal and change; Step 208:SGW sends more new bearer response to PGW, and each network element provides service according to the qos parameter after upgrading for user.
When after introducing PCC framework, as shown in Figure 2, in the flow process of bearing modification, when PGW receives bearing modification instruction, need to initiate IP-CAN session modification request to PCRF network element, by the final executable qos parameter of PCRF decision-making, the strategy based on operator's configuration carries out qos parameter and issues.For the final executable qos parameter of decision-making, there are two kinds of generating modes at present: 1, compare qos parameter and user property storage entity (SPR that PGW reports, SubscriptionProfileRepository) qos parameter of Authorize to Contract, gets the qos parameter that minimum value finally needs as UE to use; 2, ignore the qos parameter that PGW reports, directly use the qos parameter of SPR Authorize to Contract finally to need the qos parameter used as UE.
Can be found by said process, directly use the qos parameter of SPR Authorize to Contract as the scene of the qos parameter of UE final utilization for PCRF, MME initiates bearing modification request message when meeting QoS renewal trigger condition to SGW will become redundancy signaling, and this part signaling can increase the extra signaling consumption of S11 interface.
Summary of the invention
For solving the technical problem of existing existence, the present invention mainly provides a kind of update method and device of network QoS parameter.
Technical scheme of the present invention is achieved in that
The update method of a kind of network QoS parameter provided by the invention, the method comprises:
When introducing PCRF in the lte networks, MME obtains PCRF to the instruction of the decision-making of qos parameter, and when MME detects the trigger condition meeting and upgrade qos parameter, MME determines according to described instruction the mode upgrading qos parameter.
In such scheme, described MME obtains the instruction of PCRF to the decision-making of qos parameter and comprises: MME receives the bearing modification response of SGW transparent transmission in IP-CAN session establishment process, the instruction of PCRF to the decision-making of qos parameter is carried in described bearing modification response, and MME obtains the instruction of PCRF to the decision-making of qos parameter from described bearing modification response.
In such scheme, described instruction for representing that PCRF is indirect assignment to the decision-making of qos parameter or judges value, described in be designated as property value to (AVP) or special symbol.
In such scheme, according to described instruction, described MME determines that the mode upgrading qos parameter comprises: MME represents indirect assignment according to the instruction of the described decision-making to qos parameter, do not initiate the flow process of bearing modification, ignore and this time upgrade, MME represents judgement value according to the instruction of the described decision-making to qos parameter, initiates the flow process of bearing modification.
In such scheme, the method also comprises: when not introducing PCRF in the lte networks, MME obtains the instruction not introducing PCRF of PCEF transmission by SGW, when MME detects the trigger condition meeting and upgrade qos parameter, initiates the flow process of bearing modification according to the described instruction not introducing PCRF.
The update method of a kind of network QoS parameter provided by the invention, the method comprises:
PCRF preserves the instruction to the decision-making of qos parameter, and by PCEF and SGW, the instruction of the decision-making to qos parameter is sent to MME.
In such scheme, described instruction for representing that PCRF is indirect assignment to the decision-making of qos parameter or judges value, described in be designated as AVP or special symbol.
The update method of a kind of network QoS parameter provided by the invention, the method comprises:
When introducing PCRF in the lte networks, PCRF preserves the instruction to the decision-making of qos parameter, and by PCEF and SGW, the instruction of the decision-making to qos parameter is sent to MME;
MME obtains PCRF to the instruction of the decision-making of qos parameter, and when MME detects the trigger condition meeting and upgrade qos parameter, MME determines according to described instruction the mode upgrading qos parameter.
In such scheme, described MME obtains the instruction of PCRF to the decision-making of qos parameter and comprises: MME receives the bearing modification response of SGW transparent transmission in IP-CAN session establishment process, the instruction of PCRF to the decision-making of qos parameter is carried in described bearing modification response, and MME obtains the instruction of PCRF to the decision-making of qos parameter from described bearing modification response.
In such scheme, described instruction for representing that PCRF is indirect assignment to the decision-making of qos parameter or judges value, described in be designated as AVP or special symbol.
In such scheme, according to described instruction, described MME determines that the mode upgrading qos parameter comprises: MME represents indirect assignment according to the instruction of the described decision-making to qos parameter, do not initiate the flow process of bearing modification, ignore and this time upgrade, MME represents judgement value according to the instruction of the described decision-making to qos parameter, initiates the flow process of bearing modification.
In such scheme, the method also comprises: when not introducing PCRF in the lte networks, MME obtains the instruction not introducing PCRF of PCEF transmission by SGW, when MME detects the trigger condition meeting and upgrade qos parameter, initiates the flow process of bearing modification according to the described instruction not introducing PCRF.
A kind of MME provided by the invention, this MME comprises: instruction obtains module, detection module and update mode determination module; Wherein,
Instruction obtains module, during for introducing PCRF in the lte networks, obtains PCRF to the instruction of the decision-making of qos parameter;
Detection module, for when the trigger condition meeting and upgrade qos parameter being detected, notice update mode determination module;
Update mode determination module, the instruction of PCRF to the decision-making of qos parameter obtained for obtaining module according to instruction determines to upgrade the mode of qos parameter.
In such scheme, described instruction obtains module, during specifically for introducing PCRF in the lte networks, the bearing modification response of SGW transparent transmission is received in IP-CAN session establishment process, the instruction of PCRF to the decision-making of qos parameter is carried in described bearing modification response, from described bearing modification response, obtain the instruction of PCRF to the decision-making of qos parameter.
In such scheme, described instruction for representing that PCRF is indirect assignment to the decision-making of qos parameter or judges value, described in be designated as AVP or special symbol.
In such scheme, described update mode determination module, specifically for when the instruction of the described decision-making to qos parameter represents indirect assignment, do not initiate the flow process of bearing modification, ignore and this time upgrade, the instruction of the described decision-making to qos parameter represent judge value time, the flow process of initiation bearing modification.
In such scheme, described instruction obtains module, time also for not introducing PCRF in the lte networks, is obtained the instruction not introducing PCRF of PCEF transmission by SGW; Accordingly, described update mode determination module, also in the flow process initiating bearing modification according to the described instruction not introducing PCRF.
A kind of PCRF provided by the invention, this PCRF comprises: memory module, sending module; Wherein,
Memory module, for preserving the instruction of the decision-making to qos parameter;
Sending module, for sending to MME by PCEF and SGW by the instruction of the decision-making to qos parameter.
In such scheme, described instruction for representing that PCRF is indirect assignment to the decision-making of qos parameter or judges value, described in be designated as AVP or special symbol.
The renewal system of a kind of network QoS parameter provided by the invention, this system comprises: SGW, PCEF, PCRF, MME; Wherein, PCRF, for preserving the instruction of the decision-making to qos parameter, and sends to MME by PCEF and SGW by the instruction of the decision-making to qos parameter;
MME, for obtaining the instruction of PCRF to the decision-making of qos parameter, when the trigger condition meeting and upgrade qos parameter being detected, determines according to described instruction the mode upgrading qos parameter.
The invention provides a kind of update method and device of network QoS parameter, when introducing PCRF in the lte networks, the instruction of the decision-making to qos parameter is informed to MME by described PCRF, MME obtains PCRF to the instruction of the decision-making of qos parameter, when MME detects the trigger condition meeting and upgrade qos parameter, MME determines according to described instruction the mode upgrading qos parameter; So, can PCC framework introduced and introduce in the LTE network of PCRF, make MME can select the mode of corresponding renewal qos parameter to the decision-making of qos parameter according to PCRF, especially know described decision-making be indirect assignment, namely directly use the qos parameter of SPR Authorize to Contract finally to need as UE the qos parameter used time, MME no longer initiates the flow process of bearing modification, greatly saves the signaling consumption of S11 interface.
Accompanying drawing explanation
Fig. 1 is a kind of PCC configuration diagram;
Fig. 2 is the handling process schematic diagram that a kind of LTE system upgrades qos parameter;
Fig. 3 is the MME side schematic flow sheet that the embodiment of the present invention realizes the update method of network QoS parameter;
Fig. 4 is the PRCF side schematic flow sheet that the embodiment of the present invention realizes the update method of network QoS parameter;
Fig. 5 is the schematic flow sheet that the embodiment of the present invention realizes the update method of network QoS parameter;
The structural representation of the MME that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the PCRF that Fig. 7 provides for the embodiment of the present invention;
The structural representation of the renewal system of the network QoS parameter that Fig. 8 provides for the embodiment of the present invention;
Fig. 9 is the overall flow schematic diagram that the embodiment of the present invention realizes the update method of network QoS parameter.
Embodiment
In the embodiment of the present invention, when introducing PCRF in the lte networks, the instruction of the decision-making to qos parameter is informed to MME by described PCRF, MME obtains PCRF to the instruction of the decision-making of qos parameter, when MME detects the trigger condition meeting and upgrade qos parameter, MME determines according to described instruction the mode upgrading qos parameter.
Below by drawings and the specific embodiments, the present invention is described in further detail.
The embodiment of the present invention realizes a kind of update method of network QoS parameter, and as shown in Figure 3, the method comprises following step:
Step 301: when introducing PCRF in the lte networks, MME obtains PCRF to the instruction of the decision-making of qos parameter;
Concrete, when introducing PCRF in the lte networks, MME receives bearing modification response (ModifyBearerResponse) of SGW transparent transmission in IP-CAN session establishment process, the instruction of PCRF to the decision-making of qos parameter is carried in described bearing modification response, MME obtains the instruction of PCRF to the decision-making of qos parameter from described bearing modification response, wherein, described instruction is for representing that PCRF is that indirect assignment still judges value to the decision-making of qos parameter, described instruction can be that property value is to (AVP), such as: when the value of AVP is 1, represent that PCRF is indirect assignment to the decision-making of qos parameter, the value of AVP represents when being 2 that the decision-making of PCRF to qos parameter is for judge value, described instruction also can be special symbol, such as: " * " represents that PCRF is indirect assignment to the decision-making of qos parameter, and " # " represents that the decision-making of PCRF to qos parameter is for judge value.
In this step, described PCRF needs to pre-define to the instruction of the decision-making of qos parameter, when PCEF determines that current network is deployed with PCRF, PCRF utilizes the billing features (CC in CCA-I in IP-CAN session establishment process, ChargingCharacteristic) instruction of the decision-making to qos parameter is sent to PCEF by field, send to SGW by bearing modification response after PCEF preserves described instruction, described in SGW transparent transmission, bearing modification responds to MME.Here, described PCEF determines that current network is deployed with PCRF and can is: described PCEF is according to the Capability negotiation request (CER self receiving PCRF, CapabilitiesExchangeRequest) and capability negotiation response (CEA, CapabilitiesExchangeAnswer) information, determines that current network is deployed with PCRF.
Step 302: when MME detects the trigger condition meeting and upgrade qos parameter, MME determines according to the instruction of the described decision-making to qos parameter the mode upgrading qos parameter;
Concrete, when MME detect UE from 2/3G network switch to 4G network or HSS have updated qos parameter time, determine to meet the trigger condition upgrading qos parameter, when MME represents indirect assignment according to the instruction of the described decision-making to qos parameter, do not initiate the flow process of bearing modification, ignore and this time upgrade, MME according to the instruction of the described decision-making to qos parameter represent judge value time, initiate the flow process of bearing modification, comprise: notice eNB upgrades UE context, send the bearing modification instruction etc. of the qos parameter after carrying renewal to SGW.Here, described indirect assignment is directly use the qos parameter of SPR Authorize to Contract finally to need the qos parameter used as UE, described judgement value is compare the qos parameter of qos parameter that PCEF reports and SPR Authorize to Contract, get the qos parameter that minimum value finally needs as UE to use, described PCEF can be integrated on GGSN or PGW of fusion.
Said method also comprises: the pre-defined instruction not introducing PCRF, and described instruction does not dispose PCRF for representing in network, and described instruction can be AVP, such as: represent in network when the value of AVP is 0 and do not dispose PCRF; Described instruction also can be special symbol, such as: " % " represents in network and do not dispose PCRF, when not introducing PCRF in a network, MME obtains the instruction not introducing PCRF of PCEF transmission by SGW, when MME detects the trigger condition meeting and upgrade qos parameter, initiate the flow process of bearing modification according to the described instruction not introducing PCRF, comprising: notice eNB upgrades UE context, send the bearing modification instruction etc. of the qos parameter after carrying renewal to SGW.
Corresponding said method, the embodiment of the present invention also provides a kind of update method of network QoS parameter, and as shown in Figure 4, the method comprises following step:
Step 401:PCRF preserves the instruction to the decision-making of qos parameter;
Wherein, described instruction is for representing that PCRF is that indirect assignment still judges value to the decision-making of qos parameter, described instruction can be AVP, such as: when the value of AVP is 1, represent that PCRF is indirect assignment to the decision-making of qos parameter, represent when the value of AVP is 2 that the decision-making of PCRF to qos parameter is for judge value; Described instruction also can be special symbol, such as: " * " represents that PCRF is indirect assignment to the decision-making of qos parameter, and " # " represents that the decision-making of PCRF to qos parameter is for judge value.
The instruction of the decision-making to qos parameter is sent to MME by PCEF and SGW by step 402:PCRF;
Concrete, PCRF utilizes the CC field in CCA-I that the instruction of the decision-making to qos parameter is sent to PCEF in IP-CAN session establishment process, send to SGW by bearing modification response after PCEF preserves described instruction, described in SGW transparent transmission, bearing modification responds to MME.
Based on said method embodiment, the embodiment of the present invention also provides a kind of update method of network QoS parameter, and as shown in Figure 5, the method comprises following step:
Step 501: when introducing PCRF in the lte networks, PCRF preserves the instruction to the decision-making of qos parameter;
Wherein, described instruction is for representing that PCRF is that indirect assignment still judges value to the decision-making of qos parameter, described instruction can be AVP, such as: when the value of AVP is 1, represent that PCRF is indirect assignment to the decision-making of qos parameter, represent when the value of AVP is 2 that the decision-making of PCRF to qos parameter is for judge value; Described instruction also can be special symbol, such as: " * " represents that PCRF is indirect assignment to the decision-making of qos parameter, and " # " represents that the decision-making of PCRF to qos parameter is for judge value.
The instruction of the decision-making to qos parameter is sent to MME by PCEF and SGW by step 502:PCRF;
Concrete, PCRF utilizes the CC field in CCA-I that the instruction of the decision-making to qos parameter is sent to PCEF in IP-CAN session establishment process, send to SGW by bearing modification response after PCEF preserves described instruction, described in SGW transparent transmission, bearing modification responds to MME.
Step 503:MME obtains PCRF to the instruction of the decision-making of qos parameter;
Step 504: when MME detects the trigger condition meeting and upgrade qos parameter, MME determines according to the instruction of the decision-making of described qos parameter the mode upgrading qos parameter;
Concrete, when MME detect UE from 2/3G network switch to 4G network or HSS have updated qos parameter time, determine to meet the trigger condition upgrading qos parameter, when MME represents indirect assignment according to the instruction of the described decision-making to qos parameter, no longer initiate the flow process of bearing modification, ignore and this time upgrade, MME according to the instruction of the described decision-making to qos parameter represent judge value time, initiate the flow process of bearing modification, comprise: notice eNB upgrades UE context, send the bearing modification instruction etc. of the qos parameter after carrying renewal to SGW.
Said method also comprises: the pre-defined instruction not introducing PCRF, and described instruction does not dispose PCRF for representing in network, and described instruction can be AVP, such as: represent in network when the value of AVP is 0 and do not dispose PCRF; Described instruction also can be special symbol, such as: " % " represents in network and do not dispose PCRF, when not introducing PCRF in the lte networks, MME obtains the instruction not introducing PCRF of PCEF transmission by SGW, when MME detects the trigger condition meeting and upgrade qos parameter, initiate the flow process of bearing modification according to the described instruction not introducing PCRF, comprising: notice eNB upgrades UE context, send the bearing modification instruction etc. of the qos parameter after carrying renewal to SGW.
In order to realize said method, the embodiment of the present invention also provides a kind of MME, and as shown in Figure 6, this MME comprises: instruction obtains module 61, detection module 62 and update mode determination module 63; Wherein,
Instruction obtains module 61, during for introducing PCRF in the lte networks, obtains PCRF to the instruction of the decision-making of qos parameter;
Detection module 62, for when the trigger condition meeting and upgrade qos parameter being detected, notice update mode determination module 63;
Update mode determination module 63, the instruction of PCRF to the decision-making of qos parameter obtained for obtaining module 61 according to instruction determines to upgrade the mode of qos parameter;
Described instruction obtains module 61, during specifically for introducing PCRF in the lte networks, the bearing modification response of SGW transparent transmission is received in IP-CAN session establishment process, the instruction of PCRF to the decision-making of qos parameter is carried in described bearing modification response, the instruction of PCRF to the decision-making of qos parameter is obtained from described bearing modification response, wherein, described instruction is for representing that PCRF is that indirect assignment still judges value to the decision-making of qos parameter, described instruction can be AVP, such as: when the value of AVP is 1, represent that PCRF is indirect assignment to the decision-making of qos parameter, the value of AVP represents when being 2 that the decision-making of PCRF to qos parameter is for judge value, described instruction also can be special symbol, such as: " * " represents that PCRF is indirect assignment to the decision-making of qos parameter, and " # " represents that the decision-making of PCRF to qos parameter is for judge value.
Described detection module 62, specifically for when detect UE from 2/3G network switch to 4G network or HSS have updated qos parameter time, determine to meet the trigger condition upgrading qos parameter;
Described update mode determination module 63, specifically for when the instruction of the described decision-making to qos parameter represents indirect assignment, do not initiate the flow process of bearing modification, ignore and this time upgrade, the instruction of the described decision-making to qos parameter represent judge value time, initiate the flow process of bearing modification, comprising: notice eNB upgrades UE context, send the bearing modification instruction etc. of the qos parameter after carrying renewal to SGW.Here, described indirect assignment is directly use the qos parameter of SPR Authorize to Contract finally to need the qos parameter used as UE, described judgement value is compare the qos parameter of qos parameter that PCEF reports and SPR Authorize to Contract, get the qos parameter that minimum value finally needs as UE to use, described PCEF can be integrated on GGSN or PGW of fusion.
Described instruction obtains module 61, time also for not introducing PCRF in the lte networks, obtained the instruction not introducing PCRF of PCEF transmission by SGW, described instruction does not dispose PCRF for representing in network, described instruction can be AVP, such as: represent in network when the value of AVP is 0 and do not dispose PCRF; Described instruction also can be special symbol, such as: " % " represents in network and do not dispose PCRF;
Accordingly, described update mode determination module 63, also in the flow process initiating bearing modification according to the described instruction not introducing PCRF, comprising: notice eNB upgrades UE context, sends the bearing modification instruction etc. of the qos parameter after carrying renewal to SGW.
The MME of the corresponding embodiment of the present invention, the embodiment of the present invention also provides a kind of PCRF, and as shown in Figure 7, this PCRF comprises: memory module 71, sending module 72; Wherein,
Memory module 71, for preserving the instruction of the decision-making to qos parameter; Wherein, described instruction is for representing that PCRF is that indirect assignment still judges value to the decision-making of qos parameter, described instruction can be AVP, such as: when the value of AVP is 1, represent that PCRF is indirect assignment to the decision-making of qos parameter, represent when the value of AVP is 2 that the decision-making of PCRF to qos parameter is for judge value; Described instruction also can be special symbol, such as: " * " represents that PCRF is indirect assignment to the decision-making of qos parameter, and " # " represents that the decision-making of PCRF to qos parameter is for judge value.
Sending module 72, for sending to MME by PCEF and SGW by the instruction of the decision-making to qos parameter;
Described sending module 72, specifically for utilizing the CC field in CCA-I in IP-CAN session establishment process, the instruction of the decision-making to qos parameter is sent to PCEF, send to SGW by bearing modification response after PCEF preserves described instruction, described in SGW transparent transmission, bearing modification responds to MME.
Accordingly, the embodiment of the present invention also provides a kind of renewal system of network QoS parameter, and as shown in Figure 8, this system comprises: SGW81, PCEF82, PCRF83, MME84; Wherein,
PCRF83, for preserving the instruction of the decision-making to qos parameter, and sends to MME84 by PCEF82 and SGW81 by the instruction of the decision-making to qos parameter;
MME84, for obtaining the instruction of PCRF83 to the decision-making of qos parameter, when the trigger condition meeting and upgrade qos parameter being detected, determines according to described instruction the mode upgrading qos parameter.
As shown in Figure 7, the concrete structure of described MME84 as shown in Figure 6 for the concrete structure of described PCRF83.
Below by an overall embodiment, method of the present invention is described in detail.
In the present embodiment, in advance for the decision mode of PCRF to qos parameter, define three kinds of instructions: the instruction of the instruction not introducing PCRF, the instruction judging value and indirect assignment, namely the instruction not introducing PCRF represents that in LTE system, qos parameter all uses the information that HSS preserves temporarily without PCRF equipment in LTE system; Judge that namely the instruction of value represents in IP-CAN session modification process, PCRF compares the qos parameter of qos parameter that PCEF reports and SPR Authorize to Contract, gets the qos parameter that minimum value finally needs as UE to use; Namely the instruction of indirect assignment represents that PCRF directly uses the qos parameter preserved in SPR as the final QoS of UE, ignores the qos parameter that PCEF reports, realizes the update method of network QoS parameter, as shown in Figure 9, comprising:
Self instruction to the decision-making of qos parameter, according to the decision mode of qos parameter of operator's configuration, is preserved by step 901:PCRF;
Step 902:PCEF is after receiving conversation establishing request (CreateSessionRequest) message, judge current network whether arrangement PCRF, if non-arrangement PCRF, then in conversation establishing response (CreateSessionResponse) message, utilize a certain field to carry the instruction not introducing PCRF and send to MME, MME normally initiates the flow process of bearing modification, and flow process terminates; If arrangement PCRF, then normally initiate IP-CAN session establishment (IP-CANSessionEstablishment) flow process, and perform step 903;
Step 903:PCRF, when process IP-CAN session establishment flow process, judges whether the PCEF initiated is GGSN or PGW merged, and if so, then the instruction of PCRF to the decision-making of qos parameter is utilized a certain CC field in CCA-I to return to PCEF, performs step 904; If the PCEF initiated is simple GGSN or PGW, then the instruction of PCRF to the decision-making of qos parameter is not passed to PCEF, flow process terminates;
Step 904:PCEF, when process IP-CAN session establishment flow process, obtains the instruction of the decision-making to qos parameter, described instruction is preserved from the response message that PCRF returns;
After step 905:PCEF receives bearing modification request (ModifyBearerRequest) message, the PCRF utilizing specific field transmission to preserve in bearing modification response message is indicated to SGW to the decision-making of qos parameter;
After step 906:SGW receives bearing modification response message, described bearing modification response message is passed through MME, SGW network element does not preserve the instruction of PCRF to the decision-making of qos parameter;
PCRF, after receiving bearing modification response message, preserves the instruction of the decision-making of qos parameter by step 907:MME, when follow-up need to carry out QoS more new technological process time, enter different handling processes according to described instruction;
Wherein, when MME detects that needing to trigger QoS upgrades, judge that PCRF that UE is corresponding is to the instruction of the decision-making of qos parameter, do not introduce PCRF if described instruction represents or judge value, then MME presses former QoS more new technological process, normally transmission bearing modification request message; If described instruction represents indirect assignment, then MME no longer sends bearing modification request message.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (20)
1. a update method for network service quality (QoS) parameter, it is characterized in that, the method comprises:
When introducing "Policy and Charging Rules Function entity (PCRF) in Long Term Evolution (LTE) network, Mobility Management Entity (MME) obtains the instruction of PCRF to the decision-making of qos parameter, when MME detects the trigger condition meeting and upgrade qos parameter, MME determines according to described instruction the mode upgrading qos parameter.
2. update method according to claim 1, it is characterized in that, described MME obtains the instruction of PCRF to the decision-making of qos parameter and comprises: MME connects the bearing modification response receiving gateway (SGW) transparent transmission in access network (IP-CAN) session establishment process at IP, the instruction of PCRF to the decision-making of qos parameter is carried in described bearing modification response, and MME obtains the instruction of PCRF to the decision-making of qos parameter from described bearing modification response.
3. update method according to claim 2, is characterized in that, described instruction for representing that PCRF is indirect assignment to the decision-making of qos parameter or judges value, described in be designated as property value to (AVP) or special symbol.
4. update method according to claim 3, it is characterized in that, according to described instruction, described MME determines that the mode upgrading qos parameter comprises: MME represents indirect assignment according to the instruction of the described decision-making to qos parameter, do not initiate the flow process of bearing modification, ignore and this time upgrade, MME represents judgement value according to the instruction of the described decision-making to qos parameter, initiates the flow process of bearing modification.
5. update method according to claim 1, it is characterized in that, the method also comprises: when not introducing PCRF in the lte networks, MME obtains the instruction not introducing PCRF of PCEF transmission by SGW, when MME detects the trigger condition meeting and upgrade qos parameter, initiate the flow process of bearing modification according to the described instruction not introducing PCRF.
6. a update method for network QoS parameter, is characterized in that, the method comprises:
PCRF preserves the instruction to the decision-making of qos parameter, and by PCEF and SGW, the instruction of the decision-making to qos parameter is sent to MME.
7. update method according to claim 6, is characterized in that, described instruction for representing that PCRF is indirect assignment to the decision-making of qos parameter or judges value, described in be designated as AVP or special symbol.
8. a update method for network QoS parameter, is characterized in that, the method comprises:
When introducing PCRF in the lte networks, PCRF preserves the instruction to the decision-making of qos parameter, and by PCEF and SGW, the instruction of the decision-making to qos parameter is sent to MME;
MME obtains PCRF to the instruction of the decision-making of qos parameter, and when MME detects the trigger condition meeting and upgrade qos parameter, MME determines according to described instruction the mode upgrading qos parameter.
9. update method according to claim 8, it is characterized in that, described MME obtains the instruction of PCRF to the decision-making of qos parameter and comprises: MME receives the bearing modification response of SGW transparent transmission in IP-CAN session establishment process, the instruction of PCRF to the decision-making of qos parameter is carried in described bearing modification response, and MME obtains the instruction of PCRF to the decision-making of qos parameter from described bearing modification response.
10. update method according to claim 9, is characterized in that, described instruction for representing that PCRF is indirect assignment to the decision-making of qos parameter or judges value, described in be designated as AVP or special symbol.
11. update methods according to claim 10, it is characterized in that, according to described instruction, described MME determines that the mode upgrading qos parameter comprises: MME represents indirect assignment according to the instruction of the described decision-making to qos parameter, do not initiate the flow process of bearing modification, ignore and this time upgrade, MME represents judgement value according to the instruction of the described decision-making to qos parameter, initiates the flow process of bearing modification.
12. update methods according to claim 8, it is characterized in that, the method also comprises: when not introducing PCRF in the lte networks, MME obtains the instruction not introducing PCRF of PCEF transmission by SGW, when MME detects the trigger condition meeting and upgrade qos parameter, initiate the flow process of bearing modification according to the described instruction not introducing PCRF.
13. 1 kinds of MME, is characterized in that, this MME comprises: instruction obtains module, detection module and update mode determination module; Wherein,
Instruction obtains module, during for introducing PCRF in the lte networks, obtains PCRF to the instruction of the decision-making of qos parameter;
Detection module, for when the trigger condition meeting and upgrade qos parameter being detected, notice update mode determination module;
Update mode determination module, the instruction of PCRF to the decision-making of qos parameter obtained for obtaining module according to instruction determines to upgrade the mode of qos parameter.
14. MME according to claim 13, it is characterized in that, described instruction obtains module, during specifically for introducing PCRF in the lte networks, the bearing modification response of SGW transparent transmission is received in IP-CAN session establishment process, the instruction of PCRF to the decision-making of qos parameter is carried in described bearing modification response, from described bearing modification response, obtain the instruction of PCRF to the decision-making of qos parameter.
15. MME according to claim 14, is characterized in that, described instruction for representing that PCRF is indirect assignment to the decision-making of qos parameter or judges value, described in be designated as AVP or special symbol.
16. MME according to claim 15, it is characterized in that, described update mode determination module, specifically for when the instruction of the described decision-making to qos parameter represents indirect assignment, do not initiate the flow process of bearing modification, ignore and this time upgrade, the instruction of the described decision-making to qos parameter represent judge value time, the flow process of initiation bearing modification.
17. MME according to claim 14, is characterized in that, described instruction obtains module, time also for not introducing PCRF in the lte networks, are obtained the instruction not introducing PCRF of PCEF transmission by SGW; Accordingly, described update mode determination module, also in the flow process initiating bearing modification according to the described instruction not introducing PCRF.
18. 1 kinds of PCRF, is characterized in that, this PCRF comprises: memory module, sending module; Wherein,
Memory module, for preserving the instruction of the decision-making to qos parameter;
Sending module, for sending to MME by PCEF and SGW by the instruction of the decision-making to qos parameter.
19. PCRF according to claim 18, is characterized in that, described instruction for representing that PCRF is indirect assignment to the decision-making of qos parameter or judges value, described in be designated as AVP or special symbol.
The renewal system of 20. 1 kinds of network QoS parameters, is characterized in that, this system comprises: SGW, PCEF, PCRF, MME; Wherein, PCRF, for preserving the instruction of the decision-making to qos parameter, and sends to MME by PCEF and SGW by the instruction of the decision-making to qos parameter;
MME, for obtaining the instruction of PCRF to the decision-making of qos parameter, when the trigger condition meeting and upgrade qos parameter being detected, determines according to described instruction the mode upgrading qos parameter.
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