CN104822154A - CSFB (Circuit switch FallBack) service quality analysis system and method - Google Patents
CSFB (Circuit switch FallBack) service quality analysis system and method Download PDFInfo
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Abstract
The invention discloses a CSFB (Circuit switch FallBack) service quality analysis system. The system comprises a data acquisition access layer module for acquiring signaling interfaces in an LTE network and a 2/3G network and analyzing signaling data and related service data, synthesizing the signaling data and the service data according to a synthetic strategy and sending synthesized data information; a data association processing layer module for receiving the synthesized data information, sorting the data information through a data sorting method, extracting the sorted data according to an extracting strategy, associating extracted data, backfilling the associated data, storing and sending the backfilled data; a data analysis application layer module for receiving the backfilled data, performing data modeling and data self-learning on the associated data through a service quality analysis index and rule, and generating a matched analytical statement. The system disclosed by the invention has the beneficial effect that the whole service quality of the CSFB service can be analyzed in more fine-grained, more flexible and more comprehensive manners.
Description
Technical field
The present invention relates to communication technical field, in particular to the system and method that a kind of CSFB quality of service is analyzed.
Background technology
In very long one period of LTE network construction and operation, owing to covering the restriction of scale and considering the reasons such as the investment that protection operator is previous, LTE network will with 2G/3G network Long Coexistence.LTE mainly improves broadband data service, does not provide speech business, but speech business remains the main health service revenue of main business in network and operator; Because GSM (Global System for Mobilecommunication) network has very high coverage rate and through long-term optimization, speech business still can utilize traditional GSM network, therefore disposes initial stage user at LTE and still can obtain high-quality voice service.In order to this strategy, 3GPP proposes circuit domain dropping CSFB (CS FallBack), UE (UserEquipment) start is attached to LTE network, also be attached to 2G/3G CS (Circuit Switch) territory network simultaneously, when there being speech business, CS business is fallen back to 2G/3G network, and the operation system of concrete prior art as shown in Figure 1.
Because CSFB relates to LTE and 2G/3G network simultaneously, need to carry out between multiple network switching and continuing.Because whole process is complicated, be all difficult to add up the performance data in the whole process of CSFB and end-to-end call flow by equipment or facility network guard system.But from the angle of carrier network O&M, understand the performance of CSFB, for the network optimization, improve Consumer's Experience significant.Thus, need a kind of method can adding up CSFB quality of service, and the statistical conditions of all kinds of index can be provided, provide the data of reference data and optimized algorithm to input to the network optimization.
Summary of the invention
The object of this invention is to provide the system and method that a kind of CSFB quality of service is analyzed, thus solve CSFB business inter-network and switch and the problem of complete monitoring when continuing, also solve the quality analysis problem of CSFB business full process and full network simultaneously, be not limited to construction scale and the cycle of legacy network setup state and LTE network, can more fine granularity, more flexibly, more fully realize, to the omnidistance quality of service analysis of CSFB business, effectively overcoming above-mentioned deficiency of the prior art.
The object of the invention is to be achieved through the following technical solutions:
According to an aspect of the present invention, provide the system that a kind of CSFB quality of service is analyzed, the system of this CSFB quality of service analysis comprises:
Data acquisition Access Layer module: for gathering signaling data and associated traffic data to the signaling interface pre-set in LTE network, 2/3G network, described signaling data and business datum are analyzed, according to the synthesis strategy pre-set, signaling data and business datum are synthesized, and send the data message after synthesis;
Data correlation processing layer module: for receiving the data message after synthesis, by the data carding method pre-set, combing is carried out to described data message, and according to the fetch strategy pre-set, the data after combing are extracted, data after extracting are associated according to the associating policy pre-set, and the data after association are backfilled, store and send it back the data after filling out;
Data analysis application layer module: for receiving the data after backfill, and by the quality of service analysis indexes that pre-sets and rule, data modeling and data self study are carried out to the data after described association, realize data depth to excavate, and generate the analytical statement matched.
Further, the signaling interface pre-set described in comprises:
S1-MME interface between E-NodeB and MME; S6a interface between MME and HSS; SGs interface between MME and MSC; A/IuCS interface between MSC and BSC/RNC and Mc interface.
Further, described associated traffic data comprises the event initiation time, event initiates UE information, venue location point, event type, event terminate or abnormal cause.
Further, described event initiates UE packets of information including IMS I information, M-TMSI, TMSI or IMEI.
Further, described venue location point comprises LAC or Ci.
According to a further aspect in the invention, provide a kind of method that CSFB quality of service is analyzed, the method for this CSFB quality of service analysis comprises the following steps:
By the data acquisition Access Layer module pre-set, signaling data and associated traffic data are gathered to the signaling interface pre-set in LTE network, 2/3G network, described signaling data and business datum are analyzed, according to the synthesis strategy pre-set, signaling data and business datum are synthesized, and send the data message after synthesis;
Data message after utilizing the data correlation processing layer module pre-set to receive synthesis, by the data carding method pre-set, combing is carried out to described data message, and according to the fetch strategy pre-set, the data after combing are extracted, data after extracting are associated according to the associating policy pre-set, and the data after association are backfilled, store and send it back the data after filling out;
Data after utilizing the data analysis application layer module pre-set to receive backfill, and by the quality of service analysis indexes that pre-sets and rule, data modeling and data self study are carried out to the data after described association, realize data depth to excavate, and generate the analytical statement matched.
Further, the signaling interface pre-set described in comprises:
S1-MME interface between E-NodeB and MME; S6a interface between MME and HSS; SGs interface between MME and MSC; A/IuCS interface between MSC and BSC/RNC and Mc interface.
Further, described associated traffic data comprises the event initiation time, event initiates UE information, venue location point, event type, event terminate or abnormal cause.
Further, described event initiates UE packets of information including IMS I information, M-TMSI, TMSI or IMEI.
Further, described venue location point comprises LAC or Ci.
Beneficial effect of the present invention is: this method effectively solves the problem of complete monitoring when CSFB business inter-network switches and continues, also solve the quality analysis problem of CSFB business full process and full network simultaneously, be not limited to construction scale and the cycle of legacy network setup state and LTE network, can more fine granularity, more flexibly, more fully realize, to the omnidistance quality of service analysis of CSFB business, being conducive to the propagation and employment in market.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the system configuration schematic diagram of LTE network construction and operation in prior art;
Fig. 2 is the interface diagram of the collection of the system that a kind of CSFB quality of service according to the embodiment of the present invention is analyzed;
Fig. 3 is the structural representation of the system that a kind of CSFB quality of service according to the embodiment of the present invention is analyzed;
Fig. 4 be the method analyzed of a kind of CSFB quality of service of employing according to the embodiment of the present invention based on CSFB Real-time Association Analyzing, the schematic diagram of reflection user awareness situation.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of protection of the invention.
As in Figure 2-4, according to the embodiment of the present invention according to an aspect of the present invention, provide the system that a kind of CSFB quality of service is analyzed, the system of this CSFB quality of service analysis comprises:
Data acquisition Access Layer module: for gathering signaling data and associated traffic data to the signaling interface pre-set in LTE network, 2/3G network, described signaling data and business datum are analyzed, according to the synthesis strategy pre-set, signaling data and business datum are synthesized, and send the data message after synthesis;
Data correlation processing layer module: for receiving the data message after synthesis, by the data carding method pre-set, combing is carried out to described data message, and according to the fetch strategy pre-set, the data after combing are extracted, data after extracting are associated according to the associating policy pre-set, and the data after association are backfilled, store and send it back the data after filling out;
Data analysis application layer module: for receiving the data after backfill, and by the quality of service analysis indexes that pre-sets and rule, data modeling and data self study are carried out to the data after described association, realize data depth to excavate, and generate the analytical statement matched.
According to a further aspect in the invention, provide a kind of method that CSFB quality of service is analyzed, the method for this CSFB quality of service analysis comprises the following steps:
By the data acquisition Access Layer module pre-set, signaling data and associated traffic data are gathered to the signaling interface pre-set in LTE network, 2/3G network, described signaling data and business datum are analyzed, according to the synthesis strategy pre-set, signaling data and business datum are synthesized, and send the data message after synthesis;
Data message after utilizing the data correlation processing layer module pre-set to receive synthesis, by the data carding method pre-set, combing is carried out to described data message, and according to the fetch strategy pre-set, the data after combing are extracted, data after extracting are associated according to the associating policy pre-set, and the data after association are backfilled, store and send it back the data after filling out;
Data after utilizing the data analysis application layer module pre-set to receive backfill, and by the quality of service analysis indexes that pre-sets and rule, data modeling and data self study are carried out to the data after described association, realize data depth to excavate, and generate the analytical statement matched.
The described signaling interface pre-set comprises: the S1-MME interface between E-NodeB and MME; S6a interface between MME and HSS; SGs interface between MME and MSC; A/IuCS interface between MSC and BSC/RNC and Mc interface.
Described associated traffic data comprises the event initiation time, event initiates UE information, venue location point, event type, event terminate or abnormal cause, and wherein, described event initiates UE packets of information including IMS I information, M-TMSI, TMSI or IMEI; Described venue location point comprises LAC or Ci.
During embody rule, because CSFB relates to LTE and 2G/3G network simultaneously, need to carry out between multiple network switching and continuing.Because whole process is complicated, be all difficult to add up the performance data in the whole process of CSFB and end-to-end call flow by equipment or facility network guard system.But from the angle of carrier network O&M, understand the performance of CSFB, for the network optimization, improve Consumer's Experience significant.Thus, need a kind of method can adding up CSFB quality of service, and the statistical conditions of all kinds of index can be provided, provide the data of reference data and optimized algorithm to input to the network optimization.
For present stage CSFB business Problems existing, realize the analysis of CSFB quality of service by carrying out collection monitoring to each interface signaling of 2/3G network and LTE network.Namely by whole process signaling records such as association MC, S1, SGS, realize to CSFB paging, caller, called, fall after rise, each link success rate, the time-delay analysis such as to return, excavate worst cell, the terminal models such as SGS paging, falling, co-location renewal, and by unreachable, the particular problem such as MME upper LAC data are imperfect that location TA/LA planning problem of tracing to the source, the weak covering of 3G/4G cause, thus specific aim implements network and wireless optimization solves, fast lifting CSFB quality of service, promotes the satisfaction of user.
In addition, whole system in the present invention uses distributed method, treated layers module can be disposed flexibly according to concrete real network situation and system deployment requirements, and is convenient to very much expansion and the dilatation of system, effectively raises the scope of application of system.
Described CSFB quality of service analytical system adopts distributed capture cut-in method, respectively data acquisition access layer equipment is disposed according to actual needs to 2/3G core net, LTE network Access Layer, core stratum reticulare, data acquisition access layer equipment can be disposed gathering analysis program accordingly according to the interface data of reality access or agreement.The network interface data of each data acquisition access layer equipment to access carries out packet parsing, and the key message of each business of each interface is extracted according to data characteristics, generate detailed event detail records EIR (Event Information Record) by business event.According to the feature of the distinct interface of 2/3G network and LTE network, form the event detail records EIR that each interface is corresponding, but the event detail records EIR of each interface comprises substantially: event initiates the time, event initiates UE information (IMSI, M-TMSI, TMSI, IMEI etc.), venue location point (LAC, Ci etc.), event type, event terminate or the key message such as abnormal cause.Data correlation processing layer module carries out intelligent association piecemeal to all event detail records EIR (Event InformationRecord) by key message, and according to other the relevant EIR record backfill critical fielies be associated with, mutual polishing whole event information.Data analysis application layer module, for associating the complete EIR record of backfill according to CSFE quality of service analysis indexes Sum fanction, is completed the generation of statistics by data modeling and self study process and is presented.
In order to technical scheme of the present invention is better described, the invention provides the analytical method that the omnidistance quality of service of a kind of CSFB is analyzed, specifically comprise step:
The signaling datas such as S1-MME interface (E-NodeB and MME interface), S6a interface (MME and HSS interface), SGs interface (MME and MSC interface), A/IuCS interface/Mc interface (MSC and BSC/RNC interface) are gathered in LTE network, 2/3G network, the initial data access data collected carries out the synthesis of corresponding dissection process and data after gathering access layer equipment, complete the generation of event detail records EIR (Event Information Record).
When embody rule; in order to ensure the security reliability of data; relate to the problem needing to solve the deciphering of NAS signaling when LTE network signaling data is resolved; and be different from original 2/3G network due to LTE network; have also been introduced safety protecting mechanism at Non-Access Stratum, wherein just include the encryption to NAS signaling.In order to increase fail safe, NAS signaling (except the access message initially connected) has carried out encipherment protection.Be directly connected to LTE user to the decipherment algorithm of NAS signaling to synthesize and analysis in the parsing of the signaling behavior of S1 interface.In the method, data acquisition Access Layer module utilizes user to get the E-UTRAN associated authentication information of UE at the authentication process of S6a.The mapping relations of user's NAS message deciphering parameter and User Identity are set up according to subscriber identity information.Finally by mapping relations real time decrypting NAS message.Thus complete the parsing synthesis of S1 interface signaling.
For CSFB business, because it crosses over 2G/3G/LTE network, numerous interface such as Mc, S1, S6a, sGs etc. of crossing over especially, carries out intelligent association to the data of each interface and information backfill is the key correctly presented CSFB business.By resolving and accumulation each interface signaling of CSFB business in this method, obtaining in automatic measure on line mode and safeguarding identity information and positional information correspondence table between each interface.Complete each interface identity information and positional information unification, complete the backfill of CSFB business each stage call loss reason and Delay simultaneously, and one one-tenth teleservice record.Realize presenting the business of CSFB the whole network;
Based on CSFB Real-time Association Analyzing, establish to fall success rate, user awareness call completing rate, calling establishment time delay after rise in this method, end-to-end paging success rate is main end-to-end index system.By this index system, accurately can embody the service success rate of user, reflection user awareness situation, concrete situation refers to accompanying drawing 4.
In sum, according to embodiments of the invention, this method effectively solves the problem of complete monitoring when CSFB business inter-network switches and continues, also solve the quality analysis problem of CSFB business full process and full network simultaneously, be not limited to construction scale and the cycle of legacy network setup state and LTE network, can more fine granularity, more flexibly, more fully realize, to the omnidistance quality of service analysis of CSFB business, being conducive to the propagation and employment in market.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a system for CSFB quality of service analysis, is characterized in that, comprising:
Data acquisition Access Layer module: for gathering signaling data and associated traffic data to the signaling interface pre-set in LTE network, 2/3G network, described signaling data and business datum are analyzed, according to the synthesis strategy pre-set, signaling data and business datum are synthesized, and send the data message after synthesis;
Data correlation processing layer module: for receiving the data message after synthesis, by the data carding method pre-set, combing is carried out to described data message, and according to the fetch strategy pre-set, the data after combing are extracted, data after extracting are associated according to the associating policy pre-set, and the data after association are backfilled, store and send it back the data after filling out;
Data analysis application layer module: for receiving the data after backfill, and by the quality of service analysis indexes that pre-sets and rule, data modeling and data self study are carried out to the data after described association, realize data depth to excavate, and generate the analytical statement matched.
2. the system analyzed of CSFB quality of service according to claim 1, is characterized in that, described in the signaling interface that pre-sets comprise:
S1-MME interface between E-NodeB and MME; S6a interface between MME and HSS; SGs interface between MME and MSC; A/IuCS interface between MSC and BSC/RNC and Mc interface.
3. the system of CSFB quality of service analysis according to claim 2, is characterized in that, described associated traffic data comprises the event initiation time, event initiates UE information, venue location point, event type, event terminate or abnormal cause.
4. the system of CSFB quality of service analysis according to claim 3, is characterized in that, described event initiates UE packets of information including IMS I information, M-TMSI, TMSI or IMEI.
5. the system of CSFB quality of service analysis according to claim 3, it is characterized in that, described venue location point comprises LAC or Ci.
6. a method for CSFB quality of service analysis, is characterized in that, comprise the following steps:
By the data acquisition Access Layer module pre-set, signaling data and associated traffic data are gathered to the signaling interface pre-set in LTE network, 2/3G network, described signaling data and business datum are analyzed, according to the synthesis strategy pre-set, signaling data and business datum are synthesized, and send the data message after synthesis;
Data message after utilizing the data correlation processing layer module pre-set to receive synthesis, by the data carding method pre-set, combing is carried out to described data message, and according to the fetch strategy pre-set, the data after combing are extracted, data after extracting are associated according to the associating policy pre-set, and the data after association are backfilled, store and send it back the data after filling out;
Data after utilizing the data analysis application layer module pre-set to receive backfill, and by the quality of service analysis indexes that pre-sets and rule, data modeling and data self study are carried out to the data after described association, realize data depth to excavate, and generate the analytical statement matched.
7. the method analyzed of CSFB quality of service according to claim 6, is characterized in that, described in the signaling interface that pre-sets comprise:
S1-MME interface between E-NodeB and MME; S6a interface between MME and HSS; SGs interface between MME and MSC; A/IuCS interface between MSC and BSC/RNC and Mc interface.
8. the method for CSFB quality of service analysis according to claim 7, is characterized in that, described associated traffic data comprises the event initiation time, event initiates UE information, venue location point, event type, event terminate or abnormal cause.
9. the method for CSFB quality of service analysis according to claim 8, is characterized in that, described event initiates UE packets of information including IMS I information, M-TMSI, TMSI or IMEI.
10. the method for CSFB quality of service analysis according to claim 8, it is characterized in that, described venue location point comprises LAC or Ci.
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