CN106211206A

CN106211206A - The analysis method of the abnormal release of a kind of E-RAB, Apparatus and system

Info

Publication number: CN106211206A
Application number: CN201510222391.6A
Authority: CN
Inventors: 祖国英; 刘林南; 马键; 张欢; 余立
Original assignee: China Mobile Communications Group Co Ltd
Current assignee: China Mobile Communications Group Co Ltd
Priority date: 2015-05-04
Filing date: 2015-05-04
Publication date: 2016-12-07
Anticipated expiration: 2035-05-04
Also published as: CN106211206B

Abstract

The invention discloses the analysis method of the abnormal release of a kind of E-RAB, described method includes: the original signaling of each interface in Long Term Evolution LTE network in acquisition unit area；The critical events index of the abnormal release of E-RAB is formed according to described original signaling；Judge whether described critical events index meets the first condition preset, obtain the first judged result；When described first judged result shows that described critical events index meets pre-conditioned, analyze the reason causing the abnormal release of described E-RAB；Reason according to the abnormal release of described E-RAB determines the scheme solving the abnormal release of described E-RAB.The present invention also discloses analytical equipment and the system of the abnormal release of a kind of E-RAB.

Description

The analysis method of the abnormal release of a kind of E-RAB, Apparatus and system

Technical field

The present invention relates to Long Term Evolution (Long Term Evolution, LTE) technology, particularly relate to one and drill The analysis side of the abnormal release of the RAB (Evolved Radio Access Bearer, E-RAB) entered Method, Apparatus and system.

Background technology

The abnormal release of the RAB (Evolved Radio Access Bearer, E-RAB) of evolution is Network problem common in network is user during using network generation business, for various reasons Cause the abnormal release of E-RAB.The intuitional and experiential thinking of user i.e. service disconnection and substantially can not recovering voluntarily, therefore It is generally required to again initiate business.Tradition finds that the method for the abnormal release of E-RAB mainly passes through drive test data Collection and analysis and webmaster achievement data monitor and analyze, and then find the abnormal release of network E-RAB Problem, then take order to accordingly optimize solve.

During existing Network Abnormal goes offline diagnosis, existence one is clearly disadvantageous is: drive test means are only The network condition on some road surface can be gathered, and be to find that place of drive test, period, the network of terminal Extremely go offline situation (indoor test is the most in like manner).Webmaster index can only find in the other statistical significance of NE-level Network E-RAB exception release conditions, it is impossible to network environment when the abnormal release of backtracking E-RAB occurs and letter Make flow process, such as received signal code power (Received Signal Code Power, RSCP), Signalling exchange.

Summary of the invention

In view of this, the embodiment of the present invention provides one for solving at least one problem present in prior art Plant the analysis method of the abnormal release of E-RAB, Apparatus and system, by each rank of the abnormal release of reflection E-RAB The critical events index of section, reflects the stage of the problem of being likely to occur by the change of critical events index, And then quickly problem analysis.

The technical scheme of the embodiment of the present invention is achieved in that

First aspect, the embodiment of the present invention provides a kind of E-RAB analysis method of abnormal release, described method Including:

The original signaling of each interface in Long Term Evolution LTE network in acquisition unit area；

The critical events index of the abnormal release of E-RAB is formed according to described original signaling；

Judge whether described critical events index meets the first condition preset, obtain the first judged result；

When described first judged result shows that described critical events index meets pre-conditioned, analyze and cause institute State the reason of the abnormal release of E-RAB；

Reason according to the abnormal release of described E-RAB determines the scheme solving the abnormal release of described E-RAB.

Second aspect, the embodiment of the present invention provides a kind of E-RAB analytical equipment of abnormal release, described device Including acquiring unit, form unit, judging unit, analytic unit and determine unit, wherein:

Described acquiring unit, for obtaining in unit area the original letter of each interface in Long Term Evolution LTE network Order；

Described formation unit, refers to for forming the critical events of the abnormal release of E-RAB according to described original signaling Mark；

Described judging unit, for judging whether described critical events index meets the first condition preset, To the first judged result；

Described analytic unit, for presetting when described first judged result shows that described critical events index meets During condition, analyze the reason causing the abnormal release of described E-RAB；

Described determine unit, for determining the described E-RAB of solution according to the reason of the abnormal release of described E-RAB The scheme of abnormal release.

Second aspect, the embodiment of the present invention provides a kind of E-RAB analysis system of abnormal release, described device Including:

Signal collecting and resolver, for being responsible for the signaling of each interface in collection Long Term Evolution LTE network and solving Analysis, obtains each original signaling；

The analytical equipment of the abnormal release of E-RAB, for realizing described in claim 1 according to described original signaling The analysis method of the abnormal release of E-RAB, in order to have been resolved the scheme of the abnormal release of described E-RAB.

The analysis method of the abnormal release of the E-RAB that the embodiment of the present invention provides, Apparatus and system, wherein, obtain Take in unit area the original signaling of each interface in Long Term Evolution LTE network；Formed according to described original signaling The critical events index of the abnormal release of E-RAB；Judge whether described critical events index meets first preset Condition, obtains the first judged result；When described first judged result shows that described critical events index meets in advance If during condition, analyze the reason causing the abnormal release of described E-RAB；According to the abnormal release of described E-RAB Reason determine the scheme solving the abnormal release of described E-RAB；So, release by reflection E-RAB is abnormal Put the critical events index in each stage, reflect, by the change of critical events index, the problem of being likely to occur Stage, and then quickly problem analysis.

Accompanying drawing explanation

Fig. 1-1 is the schematic diagram that embodiment of the present invention mobile management entity actively initiates E-RAB release flow process；

Fig. 1-2 is the schematic diagram of the E-RAB release flow process that embodiment of the present invention base station is initiated；

The schematic diagram of the UE context release flow process that Fig. 1-3 initiates for embodiment of the present invention mobile management entity；

The schematic diagram of the UE context release flow process that Fig. 1-4 initiates for embodiment of the present invention base station；

Fig. 1-5 is the schematic diagram of embodiment of the present invention RRC connection reconstruction flow process；

The schematic diagram of the E-RAB release flow process that Fig. 1-6 initiates for embodiment of the present invention mobile management entity；

Fig. 1-7 is the schematic diagram of the E-RAB release flow process of embodiment of the present invention base station requests；

The schematic diagram of the context release flow process that Fig. 1-8 initiates for embodiment of the present invention mobile management entity；

Fig. 1-9 is the schematic diagram of the context release flow process of embodiment of the present invention base station requests；

Fig. 1-10 switches out the schematic diagram of E-RAB release flow process one for the embodiment of the present invention；

Fig. 1-11 switches out the schematic diagram of E-RAB release flow process two for the embodiment of the present invention；

Fig. 1-12 switches out the schematic diagram of E-RAB release flow process three for the embodiment of the present invention；

Fig. 1-13 is the schematic diagram of embodiment of the present invention RRC connection reconstruction failure procedures one；

Fig. 1-14 is the schematic diagram of embodiment of the present invention RRC connection reconstruction failure procedures two；

Fig. 2 be the analysis method of the abnormal release of the embodiment of the present invention two E-RAB realize schematic flow sheet；

Fig. 3 be the analysis method of the abnormal release of the embodiment of the present invention three E-RAB realize schematic flow sheet；

Fig. 4 be the analysis method of the abnormal release of the embodiment of the present invention four E-RAB realize schematic flow sheet；

Fig. 5 be the analysis method of the abnormal release of the embodiment of the present invention five E-RAB realize schematic flow sheet；

Fig. 6 is the composition structural representation of the analytical equipment of the abnormal release of the embodiment of the present invention eight E-RAB；

Fig. 7 is the composition structural representation of the analysis system of the abnormal release of the embodiment of the present invention nine E-RAB.

Detailed description of the invention

The technical solution of the present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.

The technical scheme that the embodiment of the present invention provides, in order to find and be likely to occur during positioning service holding Problem, for business keep during E-RAB abnormal release events definition critical events index (Key Performance Indication, KPI), by based on the every critical events index embodying retentivity Calculating and analyze, location produces the reason of E-RAB abnormal release events and provides solution for reason.

Embodiment one

Before illustrating various embodiments of the present invention, each embodiment first introducing the present invention may relate to Noun.

Macrocell (Cell)；

Terminal (User Equipment, UE)；

Evolved base station (eNodeB, eNB are called for short base station)；

UMTS Terrestrial radio access network (UMTS Terrestrial Radio Access Network, UTRAN)；

UMTS (Universal Mobile Telecommunications System, UMTS)；

Target BS (target eNB)；

Source base station (Source eNB)；

Transmission control protocol (Transmission Control Protocol, TCP)；

Wireless access node (Access Point, AP)；

S1 interface access point is reseted and is put message (S1Access Point Reset, S1AP Reset)；

Wireless heterogeneous networks (Radio Resource Control, RRC)；

Mobile management entity (Mobility Management Entity, MME)；

Service quality (Quality of Service, QoS)；

Service quality rating instruction (QoS Class Identifier, QCI)；Third generation partner program (3rd Generation Partnership Project, 3GPP)；

Switching command (Handover Command) message；

Confirm (Acknowledgement, ACK)；

Handover Request Acknowledge (Handover Request ACK) message；

RRC connection has reconfigured (RRC Connection Reconfiguration Complete) message；

E-RAB release command (E-RAB Release Command) message；

UE context release command (UE Context Release Command) message；

E-RAB release instruction (E-RAB Release Indication) message；

UE context release request (UE Context Release Request) message；

Initial context sets up response (Initial Context Setup Response) message；

RRC connection reconstruction request (RRC Connection Reestablishment Request) message；

RRC connection reconstruction completes (RRC Connection Reestablishment Complete) message；

RRC connection request (RRC Connection Request) message；

S1 redirects global timing device time-out (TS1RELOCoverall Expiry)；

S1 redirects and prepares timer expiry unknown object identity (TS1RELOCprep Expiry Unknown Target ID)；

Identity (Identity, ID)；

Circuit switching (Circuit Switching, CS)；

Packet switching (Packet Switching, PS)；

Packet data convergence protocol (Packet Data Convergence Protocol, PDCP)；

Serial number (Sequence Number, SN)；

Information element (Information Element, IE)；

Information element (E-RABs to Release List IE) in E-RABs release list；

Many switchings (Multiple HO)；

The information element (E-RABs Not Admitted List IE) of the not access in E-RABs release list；

Rebuild reason (Establishment Cause)；

Wireless access technology (Radio Access Technology, RAT)；

Packet-based core networks (Evolved Packet Core, EPC), packet-based core networks mainly comprise MME, clothes Business gateway (Serving Gateway, SGW), PDN Gateway (PDN Gateway, PGW), strategy with The network elements such as charging rule functions unit (Policy and Charging Rules Function, PCRF).Wherein SGW and PGW usually closes and sets and be referred to as evolution items gateway (System Architecture Evolution -Gateway, SAE-GW).

Abnormal release cause at least includes one of following reason: radio layer mistake, transport layer mistake, switching are lost Losing, wherein handoff failure at least includes following information:

Handoff failure (Handover Failure In in target core network/base station or in goal systems Target EPC/eNB or Target System), switching target do not allow (Handover Target not Allowed), S1 redirects global timing device time-out (TS1RELOCoverall Expiry), S1 redirects standard Standby timer expiry unknown object identity (TS1RELOCprep Expiry Unknown Target ID), Target cell does not has available resource (No Radio Resources Available in Target Cell).

Normal release cause at least includes one of following reason: normally discharges (Normal Release), separate (Detach), user's inertia (User Inactivity), CS standby trigger (CS fallback triggered), Terminal services between unavailable (UE Not Available For PS Service), wireless access system for PS Redirect (Inter-RAT redirection), redirect 1xRTT (Redirection towards 1xRTT), Wherein 1xRTT represents CDMA (Code Division Multiple Access, CDMA) 2000 systems Between radio transmission techniques.

It should be noted that above-mentioned normal release cause is E-RAB normally discharge in flow process involved former Cause, normally discharges flow process for concrete E-RAB, and involved reason is likely to the most above-mentioned normal release One subset of reason, such as, the E-RAB actively initiated for mobile management entity normally discharges flow process, Its normal release cause includes: normal release (Normal Release), separation (Detach), user are not Movable (User Inactivity), CS standby trigger (CS fallback triggered), terminal takes for PS Be engaged in unavailable (UE Not Available For PS Service), RAT redirects (Inter-RAT redirection).

Release flow process normal to E-RAB and abnormal release flow process are illustrated below.

1) E-RAB that mobile management entity is actively initiated normally discharges flow process

Fig. 1-1 is the schematic diagram that embodiment of the present invention mobile management entity actively initiates E-RAB release flow process, As Figure 1-1, this mobile management entity actively initiate E-RAB release flow process include:

Step 111, mobile management entity sends UE context release command message to base station；

Step 112, when base station receives the E-RAB release command message from mobile management entity, base station UE context Release complete is sent to mobile management entity.

Mobile management entity is actively initiated E-RAB release flow process and is judged as E-RAB and normally discharges flow process Method: base station receives the E-RAB release command message from mobile management entity, and release cause is normal One of release cause, then be judged to that the E-RAB that MME initiates normally discharges.

2) E-RAB that base station is initiated normally discharges flow process

Fig. 1-2 is the schematic diagram of the E-RAB release flow process that embodiment of the present invention base station is initiated, such as Fig. 1-2 institute Showing, the E-RAB that this base station is initiated normally discharges flow process and includes:

Step 121, base station sends E-RAB release instruction message to mobile management entity；

Base station is actively initiated E-RAB release flow process and is judged as the method that E-RAB normally discharges flow process: base The dynamic E-RAB of initiation of station owner discharges flow process, disappears when base station sends E-RAB release instruction to mobile management entity Cease, and release cause is construed to following normal release cause for the moment, then be judged to the E-RAB that base station is initiated Normally discharge flow process.

3) the UE context release flow process that mobile management entity is initiated

The schematic diagram of the UE context release flow process that Fig. 1-3 initiates for embodiment of the present invention mobile management entity, As Figure 1-3, the UE context release flow process that this mobile management entity is initiated includes:

Step 131, mobile management entity sends UE context release command message to base station；

Step 132, base station sends UE context Release complete to mobile management entity.

The UE context release flow process that mobile management entity is initiated is judged as E-RAB and normally discharges flow process Method: when base station receives the UE context commands Messages Message from mobile management entity, and release cause For normal release cause for the moment, then it is judged to that the UE context that mobile management entity is initiated normally discharges stream Journey.

4) the UE context release flow process that base station is initiated

The schematic diagram of the UE context release flow process that Fig. 1-4 initiates for embodiment of the present invention base station, such as Fig. 1-4 Shown in, the UE context release that this base station is initiated includes:

Step 141, base station sends UE context release request message to mobile management entity.

The UE context release flow process that base station is initiated is judged as the method that E-RAB normally discharges flow process: when Mobile management entity receives the UE context release request message that base station sends, and when release cause is just Often release cause for the moment, is then judged to that the UE context initiated base station normally discharges.

5) RRC connection reconstruction flow process

Fig. 1-5 is the schematic diagram of embodiment of the present invention RRC connection reconstruction flow process, as Figure 1-5, this RRC Connection reconstruction flow process includes:

Step 151, terminal sends RRC connection reconstruction to UMTS Terrestrial radio access network (EUTRAN) Request message；

Step 152, UMTS Terrestrial radio access network sends RRC connection reconstruction message to terminal；

Step 153, terminal sends RRC connection reconstruction completion message to UMTS Terrestrial radio access network.

RRC connection reconstruction flow process is judged as the method that E-RAB normally discharges flow process: RRC and rebuilds flow process There is reconstruction completion message, i.e. complete based on upper workflow graph.

6) E-RAB abnormal release flow process one

The schematic diagram of the E-RAB release flow process that Fig. 1-6 initiates for embodiment of the present invention mobile management entity, as Shown in Fig. 1-6, the E-RAB release flow process that this mobile management entity is initiated includes:

Step 161, mobile management entity sends E-RAB release command message to base station.

The E-RAB release flow process that mobile management entity is initiated is judged as the abnormal side discharging flow process of E-RAB Method: as shown in A point in Fig. 1-6, mobile management entity is actively initiated E-RAB and is discharged flow process, when base station is received To from mobile management entity send E-RAB release command message time, and release cause be not above-mentioned just Often one of release cause, then be judged to the E-RAB abnormal release flow process that mobile management entity is initiated.

Need exist for explanation, if the E-RAB release command message that mobile management entity sends to base station Middle requirement discharges multiple E-RAB simultaneously, then abnormal release number of times adds up by concrete business number.

7) E-RAB abnormal release flow process two

Fig. 1-7 is the schematic diagram of the E-RAB release flow process of embodiment of the present invention base station requests, such as Fig. 1-7 institute Showing, the E-RAB release flow process of this base station requests includes:

Step 171, base station sends E-RAB release instruction message to mobile management entity.

The E-RAB release flow process of base station requests is judged as the abnormal method discharging flow process of E-RAB: such as figure In 1-7 shown in A point, when base station sends E-RAB release instruction message to mobile management entity, when agreeing mutually When being loaded with number biography and release cause for abnormal release cause, then it is judged as E-RAB abnormal release flow process.Tool Body ground, when release cause is radio layer mistake, transport layer mistake, is then judged to that radio layer, transport layer are led The E-RAB caused abnormal release flow process；When release cause is handoff failure, then it is judged to that handoff failure causes E-RAB abnormal release flow process.

If it should be noted that base station is wanted in the E-RAB release instruction message that mobile management entity sends Discharge multiple E-RAB when seeking common ground, then abnormal release number of times is entered by above-mentioned reason respectively according to concrete business number Row is cumulative；And when mobile management entity replys E-RAB release command message, the abnormal frequency of failure will not It is repeatedly recorded.

8) E-RAB abnormal release flow process three

The schematic diagram of the context release flow process that Fig. 1-8 initiates for embodiment of the present invention mobile management entity, should The context release flow process that mobile management entity is initiated includes:

Step 181, mobile management entity sends UE context release command message to base station.

The context release flow process that mobile management entity is initiated is judged as the abnormal side discharging flow process of E-RAB Method: as shown in A point in Fig. 1-8, mobile management entity is actively initiated UE context release flow process, is worked as base When station receives the UE context release command message from mobile management entity, all of terminal can be discharged E-RAB, when release cause is not normal release cause, is then judged to what mobile management entity was initiated The abnormal release of E-RAB.Here, abnormal release number of times adds up by concrete business number.

Need exist for explanation, if the context that mobile management entity is initiated discharges in flow process, extremely release Put number of times to add up by concrete business number.

9) E-RAB abnormal release flow process four

Fig. 1-9 is the schematic diagram of the context release flow process of embodiment of the present invention base station requests, such as Fig. 1-9 institute Showing, the context release flow process of this base station requests includes:

Step 190, base station sends UE context release request message to mobile management entity.

The context release flow process of base station requests is judged as the abnormal method discharging flow process of E-RAB: such as figure In 1-9 shown in A point, when base station sends UE context release request message to mobile management entity, can release Put all E-RAB of terminal.When release cause is abnormal release cause, then it is judged as E-RAB different Often discharge flow process.Specifically, when release cause is radio layer mistake, transport layer mistake, then nothing it is judged to The E-RAB that line layer, transport layer cause abnormal release flow process；When release cause is handoff failure, then judge The E-RAB abnormal release flow process caused for handoff failure.

It should be noted that abnormal release number of times adds up by concrete business number, and at mobile management When entity replys UE context release command message, the abnormal frequency of failure will not be repeatedly recorded.

10) switch out E-RAB and discharge flow process one

Fig. 1-10 switches out the schematic diagram of E-RAB release flow process one for the embodiment of the present invention, such as Fig. 1-10 institute Showing, this switches out E-RAB release flow process one and includes:

Step 1101, terminal sends measurement report (Measurement Report) to base station；

Step 1102, base station switches over decision according to measurement report.

Step 1103, base station sends RRC connection to terminal and reconfigures (RRC Connection Reconfiguration) message；

Step 1104, terminal sends RRC connection and has reconfigured (RRC Connection to base station Reconfiguration Complete) message.

Switch out E-RAB release flow process one and be judged as the abnormal method discharging flow process of E-RAB: such as Fig. 1-10 C point shown in, Fig. 1-10 represents switching in base station, switches and runs succeeded but Target cell has and sets up unsuccessfully E-RAB, the E-RAB that the abnormal release in cell-of-origin is corresponding, release cause now may be: " Partial Handover " etc., then it being judged to the abnormal release of cell-of-origin correspondence E-RAB, abnormal release number of times is according to concrete Business number adds up respectively by above-mentioned reason.

11) switch out E-RAB and discharge flow process two

Fig. 1-11 switches out the schematic diagram of E-RAB release flow process two for the embodiment of the present invention, such as Fig. 1-11 institute Showing, this switches out E-RAB release flow process two and includes:

Step 1111, terminal sends measurement report (Measurement Report) to source base station (S-eNodeB)；

Step 1112, source base station switches over decision (Handover Decide) according to measurement report.

Step 1113, source base station sends handover request message to target BS (T-eNodeB)；

Step 1114, target BS sends switching request acknowledgement message to source base station；

Step 1115, source base station sends RRC to terminal and connects reconfiguration message；

Step 1116, source base station sends PDCP SN state Transfer Message to target BS.

Step 1117, terminal sends RRC connection to target BS and reconfigures completion message.

Step 1118, target BS sends UE context release message to source base station.

Switch out E-RAB release flow process two and be judged as the abnormal method discharging flow process of E-RAB: such as Fig. 1-11 C point shown in, Fig. 1-10 represent X2 interface switching, change and run succeeded, but Target cell is set up unsuccessfully E-RAB, the E-RAB that the abnormal release in cell-of-origin is corresponding, release cause now may be: part switching (Partial Handover) etc., then be judged to the abnormal release of cell-of-origin correspondence E-RAB, abnormal release number of times Add up respectively by above-mentioned reason according to concrete business number.

12) switch out E-RAB and discharge flow process three

Fig. 1-12 switches out the schematic diagram of E-RAB release flow process three for the embodiment of the present invention, such as Fig. 1-12 institute Showing, this switches out E-RAB release flow process three and includes:

Step 1121, terminal sends measurement report (Measurement Report) to source base station (S-eNodeB)；

Step 1122, source base station switches over decision (Handover Decide) according to measurement report.

Step 1123, source base station sends switching demand (Handover Required) to target BS (T-eNodeB) Message；

Step 1124, target BS sends switching command (Handover Command) message to source base station；

Step 1125, source base station sends RRC connection to terminal and reconfigures (RRC Connection Reconfiguration) message；

Step 1126, source base station sends PDCP SN state transfer (PDCP SN Status to target BS Transfer) message.

Step 1127, target BS sends UE context release command message to source base station.

Step 1121, terminal sends measurement report to source base station (S-eNodeB)；

Step 1122, source base station switches over decision according to measurement report.

Step 1123, source base station sends handoff requirement message to target BS；

Step 1124, target BS sends switching command message to source base station；

Step 1125, source base station sends RRC to terminal and connects reconfiguration message；

Step 1126, source base station sends PDCP SN state Transfer Message to target BS.

Switch out E-RAB release flow process three and be judged as the abnormal method discharging flow process of E-RAB: such as Fig. 1-12 C point shown in, as Fig. 1-12 represent S1 interface switching, switching run succeeded but Target cell have foundation lose The E-RAB lost, the E-RAB that the abnormal release in cell-of-origin is corresponding, release cause now may be: part is cut Change (Partial Handover) etc., be then judged to the abnormal release of cell-of-origin correspondence E-RAB, abnormal release time Several evidences concrete business number adds up respectively by above-mentioned reason.

13) RRC connection reconstruction failure procedures one

Fig. 1-13 is the schematic diagram of embodiment of the present invention RRC connection reconstruction failure procedures one, such as Fig. 1-13 institute Showing, this RRC connection reconstruction failure procedures one includes:

Step 1131, base station sends RRC connection reconstruction request message to EUTRAN；

Step 1132, EUTRAN sends RRC connection reconstruction refuse information to base station.

RRC connection reconstruction failure procedures one is judged as the abnormal method discharging flow process of E-RAB: RRC is heavy Build flow process, receive RRC connection reconstruction refusal (the RRC Connection that EUTRAN issues Reestablishment Reject) message.

14) RRC connection reconstruction failure procedures two

Fig. 1-14 is the schematic diagram of embodiment of the present invention RRC connection reconstruction failure procedures two, such as Fig. 1-14 institute Showing, this RRC connection reconstruction failure procedures two includes:

Step 1141, terminal sends RRC connection reconstruction request message to EUTRAN；

Step 1142, EUTRAN sends RRC connection reconstruction message to terminal.

RRC connection reconstruction failure procedures two is judged as the abnormal method discharging flow process of E-RAB: RRC is heavy Building flow process, terminal does not receive RRC connection reconstruction and completes (RRC Connection Reestablishment Complete) message.

Critical events index involved in the embodiment of the present invention described below, is illustrating critical events index During, will be described together in conjunction with signaling, see table 1 to 26.

Table 1 switches into E-RAB number

The every QCI of table 2 switches into E-RAB number

Table 3MME initiates the E-RAB number of release

The normal MME of table 4 initiates the E-RAB number of release

The E-RAB number of table 5eNB request release

The E-RAB number of the base station requests release of 6 points of QCI of table

The E-RAB number of table 7 normal base station requests release

The E-RAB number of the normal base station requests release of 8 points of QCI of table

Table 9 cuts out the E-RAB number of failure

The E-RAB number cutting out failure of 10 points of QCI of table

Table 11 initial context is successfully established number of times

Table 12 base station requests free context number

The normal base station requests free context number of table 13

Drop rate that table 14 is wireless (cell-level)

Drop rate that table 15 is wireless

Drop rate that table 16E-RAB is wireless (cell-level)

Drop rate that table 17E-RAB is wireless

Drop rate that table 18E-RAB is wireless (QCI=1-9) (cell-level)

Drop rate that table 19E-RAB is wireless (QCI=1-9)

Table 20 mobile management entity causes E-RAB drop rate (cell-level)

Table 21 mobile management entity causes E-RAB drop rate

Table 22RRC connection establishment request number of times

Table 23RRC connection reconstruction request number of times

Table 24RRC connection reconstruction number of success (non-source community)

Table 25RRC connection reconstruction ratio

Table 26RRC connection reconstruction mortality

Embodiment two

Based on previous embodiment, the embodiment of the present invention provides a kind of E-RAB analysis method of abnormal release, should Method is applied to calculating equipment, and the function that the method is realized can be called by the processor in calculating equipment Program code realizes, and certain program code can be saved in computer-readable storage medium, it is seen then that this calculating Equipment at least includes processor and storage medium.In concrete application process, calculating equipment can be individual's meter Calculation machine, server, industrial computer etc. have the electronic equipment of computing capability.

Fig. 2 is the schematic flow sheet of the analysis method of the abnormal release of the embodiment of the present invention two E-RAB, such as Fig. 2 Shown in, the analysis method of the abnormal release of this E-RAB includes:

Step 201, the original signaling of each interface in Long Term Evolution (LTE) network in acquisition unit area；

Here, described unit area may refer to macrocell (cell).

Here, in described LTE network, each interface includes: the Uu of the main equipment of LTE network, X2 interface, And S1-MME, S11, S10, S6a, S5/8 interface.During being embodied as, adopt from signaling Collection and resolver obtain original signaling, wherein signal collecting and resolver, for being responsible for collection LTE network Each interface signaling also resolves, and forms each original signaling.The interface wherein gathered relates to the main equipment of LTE network Software collection Uu, X2 interface, and gather S1-MME, S11, S10, S6a, S5/8 by hardware Deng interface.

Step 202, forms the critical events index of the abnormal release of E-RAB according to described original signaling；

Here, described critical events index and the index classification (retentivity in above-mentioned table 1 to table 26 Retainability) closely related.Critical events index (refering to table 1 to table 26) including: switches into E-RAB QCI several, every switches into E-RAB number, MME initiates the E-RAB number of release, normal MME sends out Play the base station requests release of the E-RAB number of release, the E-RAB number of eNB request release, point QCI The E-RAB number of E-RAB number, normal base station requests release, the normal base station requests release of point QCI E-RAB number, cut out the E-RAB number of failure, the E-RAB number cutting out failure of point QCI, initial Context be successfully established number of times, base station requests free context number, normal base station requests free context number, Wireless drop rate (cell-level), wireless drop rate, E-RAB is wireless drop rate (cell-level), E-RAB without Drop rate that line drop rate, E-RAB are wireless (QCI=1-9) (cell-level), E-RAB is wireless drop rate (QCI=1-9), mobile management entity causes E-RAB drop rate (cell-level), mobile management entity to cause E-RAB drop rate, RRC connection establishment request number of times, (non-source is little for RRC connection reconstruction number of success District), RRC connection reconstruction ratio and RRC connection reconstruction mortality etc.

Wherein, the implication of retentivity is: carrying keeps the unbroken performance of connection status, such as, for base Station owner moves the E-RAB flow process of initiation, and retentivity refers to the wireless drop rate of E-RAB；Real for mobile management The E-RAB flow process that body is actively initiated, retentivity refers to the E-RAB that mobile management entity (MME) causes Drop rate, discharges flow process for switching out E-RAB, and retentivity refers to RRC connection reconstruction ratio.

Based on this, the critical events index in step 202 can include RRC connection reconstruction ratio and E-RAB Drop rate, wherein said E-RAB drop rate includes the wireless drop rate of E-RAB and is led by mobile management entity The E-RAB drop rate caused, drop rate that wherein said E-RAB is wireless is that the E-RAB that base station is actively initiated falls Line rate, the E-RAB drop rate that described mobile management entity causes is that mobile management entity is actively initiated E-RAB drop rate.

Here, to switch into E-RAB number as critical events index, step 202 is described, according to described former Beginning signaling forms the process of the critical events index of the abnormal release of E-RAB, sees table 1, switches into E-RAB The definition of this index of number switches into E-RAB number for statistics community, then formed according to described original signaling The process into E-RAB number that switches is: acquisition eNB receives the RRC connection of UE transmission and reconfigured (RRC Connection Reconfiguration Complete) message, finds that this RRC connects and has reconfigured Become message instruction UE community switching fashionable, add up this RRC connection and reconfigure the E-RAB that completion message is corresponding Number, including the switching (seeing 3GPP TS 23.401, TS 36.331 and TS 36.413) between system；From And obtain switching into this critical events index of E-RAB number.

Although it should be noted that this example is " to switch into E-RAB number " with the critical events index in table 1 As a example by, but those skilled in the art can realize being formed according to above-mentioned record and table 2 to table 26 Other critical events index such as MME initiates the E-RAB number of release, for saving length with succinct, the most not Repeat again.

Step 203, it is judged that whether described critical events index meets the first condition preset, and obtains first and sentences Disconnected result；

Here, described first condition refers to any condition about critical events index, for example, it may be close In a threshold value of critical events index, it can be the threshold range about critical events index；With RRC even As a example by connecing reconstruction ratio, first condition being described, first condition can be about RRC connection reconstruction ratio One threshold value, can be the threshold range about RRC connection reconstruction ratio, therefore, it is judged that RRC connects Rebuild ratio and whether meet and pre-conditioned can be: judge that whether RRC connection reconstruction ratio is more than default threshold Value, or, it is judged that whether RRC connection reconstruction ratio is in default threshold range.

Step 204, when described first judged result shows that described critical events index meets pre-conditioned, Analyze the reason causing the abnormal release of described E-RAB；

According to the reason of the abnormal release of described E-RAB, step 205, determines that the described E-RAB of solution is abnormal and releases The scheme put.

In the embodiment of the present invention, the original signaling of each interface in Long Term Evolution LTE network in acquisition unit area； The critical events index of the abnormal release of E-RAB is formed according to described original signaling；Judge that described critical events refers to Whether mark meets the first condition preset, and obtains the first judged result；When described first judged result shows institute State critical events index when meeting pre-conditioned, analyze the reason causing the abnormal release of described E-RAB；According to The reason of the abnormal release of described E-RAB determines the scheme solving the abnormal release of described E-RAB；So, logical Cross the abnormal critical events index discharging each stage of reflection E-RAB, come by the change of critical events index anti- Mirror the stage of the problem of being likely to occur, and then quickly problem analysis.

In the embodiment of the present invention, described step 202 is described abnormal according to described original signaling formation E-RAB The critical events index of release, including:

Step 2021, is associated described original signaling according to pre-set categories, obtains E-RAB and extremely releases The signaling flow put；

Here, described pre-set categories includes terminal class, and wherein terminal class can use the mark of terminal to believe Breath represents.

Here, described described original signaling is associated according to pre-set categories, obtains the abnormal release of E-RAB Signaling flow, including: by each terminal Uu mouth (eating dishes without rice or wine), S1-MME interface, S6a interface, The original signaling of certain flow process on each interface of S11 interface etc., is associated, and forms complete E-RAB different The often signaling flow of release.

Step 2022, extracts key message from the signaling flow of the abnormal release of described E-RAB；

Here, during described key message includes the identification information of terminal, flow process beginning and ending time stamp, original signaling Information.

Step 2023, according to definition and the described key message of described critical events index, determines E-RAB Critical events index involved in abnormal release flow process.

Here, described step 202 also includes: form different types of itemized record according to key message (x-Detailed-Record, xDR), the step for be that aforesaid key message is according to fixed format encapsulated Get up；Accordingly, according to definition and the described itemized record of described critical events index, determine that E-RAB is different Often involved in release flow process critical events index.

Embodiment three

Based on aforesaid embodiment, the embodiment of the present invention provides a kind of E-RAB analysis method of abnormal release, In the present embodiment, the critical events index in embodiment one refers to E-RAB drop rate.

Fig. 3 be the analysis method of the abnormal release of the embodiment of the present invention three E-RAB realize schematic flow sheet, as Shown in Fig. 3, the analysis method of the abnormal release of this E-RAB includes:

Step 301, the original signaling of each interface in LTE network in acquisition unit area；

Here, described unit area can include macrocell (cell).

Step 302, forms the wireless drop rate of E-RAB of the abnormal release of E-RAB according to described original signaling；

Here, the wireless drop rate of described E-RAB is the E-RAB drop rate that base station is initiated.

Step 303, it is judged that whether drop rate that described E-RAB is wireless meets the first condition preset, obtains the One judged result；

Here, described default first condition can refer to any condition about the wireless drop rate of E-RAB, For example, it may be about a threshold value of the wireless drop rate of E-RAB, can be about E-RAB wireless fall The threshold range of line rate, therefore, it is judged that whether drop rate that described E-RAB is wireless meets pre-conditioned can be: Judge the wireless drop rate of described E-RAB whether more than the threshold value preset, or, it is judged that described E-RAB without Whether line drop rate is in default threshold range.

Step 304, when described first judged result shows that the wireless drop rate of described E-RAB meets default During one condition, obtain the first message that base station sends to mobile management entity；

Here, described first message (release message) includes that mobile management entity sends E-RAB release instruction Message or UE context release request message or S1 access point reset (AP Reset) message；

Here, the first message carries release cause, and wherein release cause includes normal release cause and exception Release cause, wherein, the reason of abnormal release is not normal release cause.

Step 305, filters out the second message from described first message, and described second message carries and do not belongs to Reason in normal release cause.

Here, described reason refers to various improper release cause, and wherein normal release cause includes following former Cause: normal release (Normal Release), separate (Detach), user's inertia (User Inactivity), CS standby triggers (CS fallback triggered), terminal services unavailable (UE Not Available for PS For PS Service), RAT redirect (Inter-RAT redirection), redirect 1xRTT (Redirection towards 1xRTT)。

According to the reason of the abnormal release of described E-RAB, step 306, determines that the described E-RAB of solution is abnormal and releases The scheme put.

In the embodiment of the present invention, step 306 farther includes:

Step 3061, classifies to described reason, obtains the reason of each classification；

The community that drop rate wireless for E-RAB is high, reference 36.413 is former to radio layer reason, transport layer The classification of cause, and then draw the reason of radio layer mistake, the reason of transport layer mistake；

To switching class, the reason of handoff failure includes:

Further, the every time abnormal of each UE for each community goes offline, and can recall and inquire this time and fall The signaling process of line, and the detailed content of every signaling, such as IE field etc..

Step 3062, determines corresponding solution according to the reason of each classification.

Here, specifically, inquire about, according to the reason of each classification, the form preset, obtain corresponding solution party Case, default form for show each classification E-RAB exception release cause and corresponding solution it Between mapping relations form, such as, the classification of E-RAB exception release cause can include that wireless reason is (unlimited Fault is by mistake), switch reasons, transport layer reason (transport layer mistake)；

Solution may be such that the abnormal release of E-RAB that wireless reason causes, and solution is: Suggestion checks covering and the disturbed condition of these communities；And whether the adjacent area of these communities lacks, switches ginseng Number is the most suitable.The abnormal release of the E-RAB that switch reasons causes, solution is: suggestion checks that these are little Whether adjacent area, district lacks, handoff parameter is the most suitable.The abnormal release of the E-RAB that transport layer reason causes, solves Certainly scheme is: suggestion checks the transmission situation of these base stations, place, community, as transmission channel performance indications, Utilization rate, flash situation etc..

In the embodiment of the present invention, the RAB E-RAB drop rate of the evolution of statistics community, described E-RAB drop rate refers to the drop rate of the abnormal release of E-RAB；Judge that described E-RAB drop rate is the fullest Foot is pre-conditioned, obtains judged result；Preset when described judged result shows that described E-RAB drop rate meets During condition, analyze the reason that goes offline causing described E-RAB drop rate；Solution is determined according to the described reason that goes offline The scheme of the abnormal release of described E-RAB；So, by the abnormal key discharging each stage of reflection E-RAB Event index, reflects the stage of the problem of being likely to occur by the change of critical events index, and then quickly Problem analysis.

Embodiment four

Fig. 4 be the analysis method of the abnormal release of the embodiment of the present invention four E-RAB realize schematic flow sheet, as Shown in Fig. 4, the analysis method of the abnormal release of this E-RAB includes:

Step 401, the original signaling of each interface in LTE network in acquisition unit area；

Here, described unit area may refer to macrocell.

Step 402, forms the wireless drop rate of E-RAB of the abnormal release of E-RAB according to described original signaling；

Step 403, it is judged that whether drop rate that described E-RAB is wireless meets the first condition preset, obtains the One judged result；

Step 404, when described first judged result shows that the wireless drop rate of described E-RAB meets default During one condition, obtain the first message that base station sends to mobile management entity；

Here, each release message (the first message) can carry release cause, in described first message Also include the E-RAB number that requirement discharges, the corresponding sub-measure item of each reason.

Step 405, filters out the second message from described first message, and described second message carries and do not belongs to Reason in normal release cause；

Here, above-mentioned step 401 to step 405 corresponds respectively to the step 301 in embodiment three to step Rapid 305, therefore, those skilled in the art can refering to embodiment three and understand above-mentioned step 301 to Step 305, for saving length, repeats no more here.

Step 406, according to containing the E-RAB number requiring release in described second message, to each described Reason adds up, and obtains the accumulated value that each described reason is corresponding；

Here, for the second message, each second message carries E-RAB number, each E-RAB Corresponding release cause, is directed to each E-RAB and adds up the number of times of each reason respectively.

Step 407, determines the reason of preferential solution according to described accumulated value；

Here it is possible to reason is ranked up according to accumulated value, determine the reason of preferential solution；The most also May determine that a threshold value, when accumulated value is more than the threshold value preset, just by true for reason corresponding for this accumulated value It is set to the reason of preferential solution.Such as,

Step 408, determines the scheme solving the abnormal release of described E-RAB according to the reason of described preferential solution.

Here, specifically, inquire about, according to the reason of described preferential solution, the form preset, have been resolved described The scheme of the abnormal release of E-RAB, default form is for showing that E-RAB exception release cause is with corresponding Mapping relations form between solution, such as, E-RAB exception release cause can include wireless reason (nothing Limit fault is by mistake), switch reasons, transport layer reason (transport layer mistake)；

Embodiment five

Based on aforesaid embodiment, the embodiment of the present invention provides a kind of E-RAB analysis method of abnormal release, In the present embodiment, the critical events index in embodiment one refers to RRC connection reconstruction ratio.

Fig. 5 be the analysis method of the abnormal release of the embodiment of the present invention five E-RAB realize schematic flow sheet, as Shown in Fig. 5, the analysis method of the abnormal release of this E-RAB includes:

Step 501, the original signaling of each interface in LTE network in acquisition unit area；

Here, described unit area may refer to macrocell.

Step 502, forms the RRC connection reconstruction ratio of the abnormal release of E-RAB according to described original signaling；

Step 503, it is judged that whether described RRC connection reconstruction ratio meets the first condition preset, obtains the One judged result；

Here, above-mentioned step 501 to step 503 corresponds respectively to the step 401 in embodiment four to step Rapid 503, therefore, those skilled in the art can refering to embodiment four and understand above-mentioned step 501 to Step 503, for saving length, repeats no more here.

Step 504, when described first judged result shows that described RRC connection reconstruction ratio meets default During one condition, obtain the reconstructed object RRC connection reconstruction ratio at Target cell of RRC connection；

Step 505, it is judged that whether the RRC connection reconstruction ratio at Target cell meets the second condition preset, Obtain the second judged result；

Here, described second condition is the condition about RRC connection reconstruction ratio, such as, can be a certain threshold Value, it is also possible to be a threshold range.Such as, when the RRC connection reconstruction ratio of Target cell is higher than a certain During threshold value, whether the adjacent area just detecting described Target cell has disappearance.

Step 506, when described second judged result shows to be discontented with at the RRC connection reconstruction ratio of Target cell During the second condition that foot is preset, whether the adjacent area detecting described Target cell lacks；

Step 507, when the adjacent area of described Target cell lacks, obtains causing the adjacent area of described Target cell The abnormal release cause of disappearance.

Step 508, when described second judged result shows to meet at the RRC connection reconstruction ratio of Target cell During the second condition preset, obtain as the inappropriate abnormal release cause of handoff parameter.

Step 509, determines the scheme solving the abnormal release of E-RAB according to described abnormal release cause.

In the embodiment of the present invention, in step 506, whether lack in the adjacent area detecting described Target cell At the same time it can also be the detection stability of radio-frequency module, the disturbed condition etc. of covering；When radio-frequency module is unstable Time, it can be deduced that abnormal release cause is that video module is unstable；When cover jamming situation is more weak, can More weak for cover jamming situation to obtain abnormal release cause.

In the embodiment of the present invention, when abnormal release cause be handoff parameter improper time, solution is: adjust Whole handoff parameter, makes to be switched to earlier Target cell；Or somewhat strengthen Target cell to direction, cell-of-origin Overlay area.

Embodiment six

Based on aforesaid embodiment, a kind of E-RAB exception release And Spread of Solute judgement is given below, analyze and to The method going out solution, the method includes:

Step 61, finds according to the wireless drop rate of E-RAB, the community that E-RAB exception release rate is high.

Here, drop rate that E-RAB is wireless is all cell-level, and what drop rate that E-RAB is wireless was considered is base station The E-RAB exception release conditions initiated.

Step 62, after find the community that the wireless drop rate of E-RAB is high according to step 61, adds up further This community is wireless to go offline reason:

Base station sends the first message to mobile management entity, and described first message includes E-RAB release instruction (E-RAB Release Indication) or UE context release request (UE Context Release Request) Message or S1 access point reset (S1AP Reset) message, containing the E-RAB requiring release in the first message Number, the corresponding sub-measure item of each reason.

Wherein, the reason of abnormal release is not normal release cause, and wherein normal release cause includes: normal After release (Normal Release), separation (Detach), user's inertia (User Inactivity), CS Standby (CS fallback triggered), the terminal of triggering is for PS unavailable (the UE Not Available For of service PS Service), RAT redirect (Inter-RAT redirection), redirect 1xRTT (Redirection towards 1xRTT).I.e. in each first message, the abnormal release cause corresponding to each E-RAB is (non- Normal release cause), add up the number of times of each reason respectively.

Step 63, the community that drop rate wireless for E-RAB is high, according to step 62, right with reference to 36.413 Radio layer reason, the classification of transport layer reason, and then each problem cells is carried out radio layer, transport layer etc. The classification cumulative number of reason, to draw the reason of radio layer mistake, the reason of transport layer mistake；

To switching class, refer to the reason cumulative number at handoff failure, to show that the index of switch reasons is tied Really.Wherein the reason of handoff failure includes:

Step 64, according to the result of step 63, if the wireless drop rate of E-RAB that wireless reason causes is high, Then solution is: suggestion checks covering and the disturbed condition of these communities；And the adjacent area of these communities is No disappearance, handoff parameter are the most suitable；

If the wireless drop rate of the E-RAB (cell-level) that switch reasons causes is high, then solution is: build View checks whether these adjacent areas, community lack, handoff parameter is the most suitable；

If the wireless drop rate of the E-RAB (cell-level) that transmission reason causes is high, then solution is: build View checks the transmission situation of these base stations, place, community, such as the performance indications of transmission channel, utilization rate, flash Situation etc..

Embodiment seven

Step 71, causes E-RAB drop rate to find according to mobile management entity, the abnormal release of E-RAB The community that rate is high.

Here, mobile management entity causes E-RAB drop rate to be cell-level, and mobile management entity causes What E-RAB drop rate was considered is the E-RAB exception release conditions of mobile management entity actively initiation, wherein The E-RAB release flow process that the latter's mobile management entity is initiated is do not include that sending out E-RAB release on base station refers to Show this situation of flow process.

Step 72, after finding that according to step 71 mobile management entity causes the community that E-RAB drop rate is high, Adding up further this community mobile management entity causes E-RAB to go offline reason:

Mobile management entity sends E-RAB release command (E-RAB Release Command) and disappears to base station Breath or UE context release request message, and the most do not receive the releasing request from base station, in message Contain the E-RAB number requiring release, the corresponding sub-measure item of each reason.Wherein, extremely discharge Reason is not normal release cause, and wherein normal release cause includes: including: normal release (Normal Release), separate (Detach), user's inertia (User Inactivity), CS standby triggers (CS fallback Triggered), terminal services unavailable (UE Not Available For PS Service), RAT for PS Redirect (Inter-RAT redirection), redirect 1xRTT (Redirection towards 1xRTT). I.e. in each release message, the release cause corresponding to each E-RAB, add up respectively each reason time Number.

Step 73, causes, for mobile management entity, the community that E-RAB drop rate is high, according to step 72, Carry out a point reason statistics.

Mobile management entity is caused to issue disappearing of release additionally, also whether can have further combined with interfaces such as S11 Breath, location further to problem cells goes offline reason.Same, for each terminal of each community Every time abnormal go offline, also can recall and inquire the signaling process that this time goes offline, and every signaling is detailed Content, such as information element (Information Element, IE) field etc..

Step 74: according to the result of step 73, if the E-RAB release that mobile management entity is actively initiated, Can check it is what concrete reason according to the result of step 73, solution is: suggestion is according to this method middle finger As bright, search the cause value of IE field in signaling, questions and prospect is carried out Primary Location, and then has again Body problem is made a concrete analysis of.If release cause is that the mobile management that release balance (load balance) etc. causes is real Body initiates the E-RAB release of this terminal, then advise this mobile management entity is carried out capacity adjustment；

If additionally, the E-RAB release that mobile management entity is initiated is owing to gateway (SGW) is initiated E-RAB releasing request, solution is: suggestion on S11 mouth, search the release signaling Delete being associated Bearer Request, as indicating in this method, searches the cause value of IE field in signaling, to asking Topic reason carries out Primary Location, and then particular problem concrete analysis again.

Embodiment eight

Based on aforesaid embodiment of the method, the embodiment of the present invention provides the analysis dress of the abnormal release of a kind of E-RAB Put, the acquiring unit in the analytical equipment of the abnormal release of E-RAB, formation unit, judging unit, analysis list Unit and determine in unit, and each unit that included module can be come by the processor in calculating equipment Realize；The most also can be realized by concrete logic circuit；During specific embodiment, processor can Think central processing unit (CPU), microprocessor (MPU), digital signal processor (DSP) or scene Programmable gate array (FPGA) etc..

Fig. 6 is the composition structural representation of the analytical equipment of the abnormal release of the embodiment of the present invention eight E-RAB, as Shown in Fig. 6, this device 600 includes acquiring unit 601, forms unit 602, judging unit 603, analysis Unit 604 and determine unit 605, wherein:

Described acquiring unit 601, for obtaining in unit area the former of each interface in Long Term Evolution LTE network Beginning signaling；

Described formation unit 602, for forming the crucial thing of the abnormal release of E-RAB according to described original signaling Part index；

Here, described critical events index includes RRC connection reconstruction ratio and E-RAB drop rate, wherein Described E-RAB drop rate includes that the wireless drop rate of E-RAB and the E-RAB caused by mobile management entity fall Line rate, drop rate that wherein said E-RAB is wireless is the E-RAB drop rate that base station is actively initiated, described shifting The E-RAB drop rate that dynamic management entity causes is the E-RAB drop rate that mobile management entity is actively initiated.

Described judging unit 603, for judging whether described critical events index meets the first condition preset, Obtain the first judged result；

When described first judged result, described analytic unit 604, for showing that described critical events index meets Time pre-conditioned, analyze the reason causing the abnormal release of described E-RAB；

Described determine unit 605, for determining that solution is described according to the reason of the abnormal release of described E-RAB The scheme of the abnormal release of E-RAB.

In the embodiment of the present invention, when E-RAB drop rate is the wireless drop rate of E-RAB, described analysis list Unit includes the first acquisition module and screening module, wherein:

Described first acquisition module, for obtaining the first message that base station sends to mobile management entity；

Described screening module, for filtering out the second message from described first message, described second message is taken With the reason being not belonging to normal release cause.

In the embodiment of the present invention, described determine that unit includes sort module and determine module, wherein:

Described sort module, for classifying described reason, obtains the reason of each classification；

Described first determines module, for determining corresponding solution according to the reason of each classification.

In the embodiment of the present invention, described determine that unit includes accumulator module, second determines that module and the 3rd determines Module, wherein:

Described accumulator module is for according to containing the E-RAB number requiring release in described second message, right Each described reason adds up, and obtains the accumulated value that each described reason is corresponding；

Described second determines module, for determining the reason of preferential solution according to described accumulated value；

Described 3rd determines module, for determining that the described E-RAB of solution is different according to the reason of described preferential solution The often scheme of release.

In the embodiment of the present invention, when described critical events index is RRC connection reconstruction ratio, described analysis Unit includes that the second acquisition module, judge module, detection module and the 4th determine module, wherein:

Described second acquisition module, the reconstructed object connected for obtaining RRC connects at the RRC of Target cell Connect reconstruction ratio；

Described judge module, default for judging whether to meet at the RRC connection reconstruction ratio of Target cell Second condition, obtains the second judged result；

Described detection module, for showing the RRC connection reconstruction at Target cell when described second judged result When ratio meets default second condition, whether the adjacent area detecting described Target cell lacks；

Described 4th determines module, for when the adjacent area of described Target cell lacks, determining described in causing The adjacent area that reason the is described Target cell disappearance of the abnormal release of E-RAB.

In the embodiment of the present invention, described analytic unit also includes that the 5th determines module, is used for when described second sentences Disconnected result shows, when the RRC connection reconstruction ratio of Target cell is unsatisfactory for the second condition preset, to be defined as The inappropriate release cause of handoff parameter.

In the embodiment of the present invention, described formation unit includes that relating module, extraction module and the 6th determine module, Wherein:

Described relating module, for described original signaling being associated according to pre-set categories, obtains E-RAB The signaling flow of abnormal release；

Described extraction module, for extracting key message from the signaling flow of the abnormal release of described E-RAB；

Described 6th determines module, for the definition according to described critical events index and described key message, Determine critical events index involved in E-RAB abnormal release flow process.

It need to be noted that: the description of apparatus above embodiment, the description with said method embodiment is It is similar to, there is the beneficial effect that same embodiment of the method is similar, do not repeat.For apparatus of the present invention The ins and outs not disclosed in embodiment, refer to the description of the inventive method embodiment and understand, for saving Length, therefore repeats no more.

Embodiment nine

Meanwhile, based on above-described embodiment, the embodiment of the present invention proposes the analysis system of the abnormal release of a kind of E-RAB System, Fig. 7 is the composition structural representation of the analysis system of the abnormal release of the embodiment of the present invention nine E-RAB, as Shown in Fig. 7, this system 700 includes:

Signal collecting and resolver 701, for being responsible for the collection each interface signaling of LTE network and resolving, formed Each original signaling.The interface wherein gathered relates to the main equipment software collection Uu of LTE network, X2 interface, And hardware gathers the interfaces such as S1-MME, S11, S10, S6a, S5/8.

The analytical equipment 702 of the abnormal release of E-RAB, for realizing above-described embodiment according to described original signaling The analysis method of the abnormal release of described E-RAB, in order to have been resolved the scheme of the abnormal release of described E-RAB.

In the embodiment of the present invention, described system can also include: memorizer, is used for storing xDR and described former Beginning signaling.

Should be understood that during description is in the whole text that " embodiment " or " embodiment " mentioned means with real Execute the relevant special characteristic of example, structure or characteristic to be included at least one embodiment of the present invention.Therefore, Not necessarily refer in " in one embodiment " or " in one embodiment " that entire disclosure occurs everywhere Identical embodiment.Additionally, these specific features, structure or characteristic can combine in any suitable manner In one or more embodiments.Should be understood that in various embodiments of the present invention, the sequence of above-mentioned each process Number size be not meant to the priority of execution sequence, the execution sequence of each process should be patrolled with its function and inherence Collect and determine, and the implementation process of the embodiment of the present invention should not constituted any restriction.

In several embodiments provided herein, it should be understood that disclosed equipment and method, can To realize by another way.Apparatus embodiments described above is only schematically, such as, and institute Stating the division of unit, be only a kind of logic function and divide, actual can have other dividing mode when realizing, As: multiple unit or assembly can be in conjunction with, or it is desirably integrated into another system, or some features can be neglected Slightly, or do not perform.It addition, the coupling each other of shown or discussed each ingredient or directly coupling Close or communication connection can be the INDIRECT COUPLING by some interfaces, equipment or unit or communication connection, can Be electrical, machinery or other form.

The above-mentioned unit illustrated as separating component can be or may not be physically separate, as The parts that unit shows can be or may not be physical location；Both may be located at a place, it is possible to To be distributed on multiple NE；Part or all of unit therein can be selected according to the actual needs Realize the purpose of the present embodiment scheme.

It addition, each functional unit in various embodiments of the present invention can be fully integrated in a processing unit, Can also be that each unit is individually as a unit, it is also possible to two or more unit are integrated in one In individual unit；Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ hardware adds soft The form of part functional unit realizes.

One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can Completing with the hardware relevant by programmed instruction, aforesaid program can be stored in embodied on computer readable storage In medium, this program upon execution, performs to include the step of said method embodiment；And aforesaid storage is situated between Matter includes: movable storage device, read only memory (Read Only Memory, ROM), magnetic disc or The various medium that can store program code such as CD.

Or, if the above-mentioned integrated unit of the present invention is using the form realization of software function module and as independent Production marketing or use time, it is also possible to be stored in a computer read/write memory medium.Based on so Understanding, the part that prior art is contributed by the technical scheme of the embodiment of the present invention the most in other words can Embodying with the form with software product, this computer software product is stored in a storage medium, bag Include some instructions with so that a computer equipment (can be personal computer, server or network Equipment etc.) perform all or part of of method described in each embodiment of the present invention.And aforesaid storage medium bag Include: the various media that can store program code such as movable storage device, ROM, magnetic disc or CD.

The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to This, any those familiar with the art, in the technical scope that the invention discloses, can readily occur in Change or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should It is as the criterion with described scope of the claims.

Claims

1. the analysis method of the abnormal release of the RAB E-RAB of an evolution, it is characterised in that Described method includes:

Method the most according to claim 1, it is characterised in that described critical events index includes RRC Connection reconstruction ratio and E-RAB drop rate, wherein said E-RAB drop rate includes the E-RAB of cell-level Wireless drop rate and the E-RAB drop rate caused by mobile management entity MME of cell-level, wherein said The wireless drop rate of E-RAB of cell-level is the E-RAB drop rate that base station is actively initiated, described cell-level The E-RAB drop rate that mobile management entity causes is the E-RAB drop rate that mobile management entity is actively initiated.

Method the most according to claim 2, it is characterised in that when E-RAB drop rate is cell-level E-RAB wireless drop rate time, described analysis causes the reason of the abnormal release of described E-RAB, including:

Obtain the first message that base station sends to mobile management entity；

Filtering out the second message from described first message, described second message carries and is not belonging to normally discharge The reason of reason.

Method the most according to claim 3, it is characterised in that described abnormal according to described E-RAB The reason of release determines the scheme solving the abnormal release of described E-RAB, including:

Described reason is classified, obtains the reason of each classification；

Reason according to each classification obtains corresponding solution.

According to described second message contains the E-RAB number requiring release, each described reason is tired out Add, obtain the accumulated value that each described reason is corresponding；

The reason of preferential solution is determined according to described accumulated value；

Reason according to described preferential solution determines the scheme solving the abnormal release of described E-RAB.

Method the most according to claim 2, it is characterised in that when described critical events index is RRC During connection reconstruction ratio, described analysis causes the reason of the abnormal release of described E-RAB, including:

Obtain the reconstructed object RRC connection reconstruction ratio at Target cell of RRC connection；

Judge whether the RRC connection reconstruction ratio at Target cell meets the second condition preset, obtain second Judged result；

When described second judged result shows to be unsatisfactory for presetting at the RRC connection reconstruction ratio of Target cell During second condition, whether the adjacent area detecting described Target cell lacks；

When the adjacent area of described Target cell lacks, the adjacent area disappearance obtaining described Target cell causes described The abnormal release cause of the abnormal release of E-RAB.

Method the most according to claim 6, it is characterised in that described analysis causes described E-RAB The reason of abnormal release, also includes:

When described second judged result shows to meet default at the RRC connection reconstruction ratio of Target cell During two conditions, obtain as the inappropriate abnormal release cause of handoff parameter.

Method the most according to claim 1, it is characterised in that when described critical events index is community During the wireless drop rate of level, the wireless drop rate of described cell-level uses mode calculated as below: (base station eNB Request free context number-normal eNB asks free context number)/(initial context is successfully established number of times + (non-source is little to leave over context number+switch into number of success+RRC connection reconstruction number of success District)) * 100%；

When described critical events index is wireless drop rate, described wireless drop rate employing mode calculated as below: ∑ (eNB request free context number-normal eNB asks free context number)/∑ (build by initial context Vertical number of success+leave over context number) * 100%, wherein ∑ represents each community in the range of LAN Statistical result add up；

When the wireless drop rate of E-RAB that described critical events index is cell-level, described cell-level Drop rate that E-RAB is wireless uses mode calculated as below: (cut out the E-RAB number+eNB request release of failure The E-RAB number of E-RAB number-normal eNB request release)/(leave over E-RAB number + E-RAB is successfully established and count+switches into E-RAB number) * 100%；

When described critical events index is the wireless drop rate of E-RAB, described E-RAB is wireless, and drop rate is adopted Use mode calculated as below: (the E-RAB number-normal eNB of eNB request release asks the E-RAB of release to ∑ Count+cut out the E-RAB number of failure)/∑ (E-RAB is successfully established and count+leaves over E-RAB number) * 100%；

As the wireless drop rate of E-RAB that described critical events index is cell-level and QCI=1-9, described The wireless drop rate of E-RAB of cell-level uses mode calculated as below: (the eNB request release of point QCI E-RAB number+point the QCI of the normal eNB request release of E-RAB number-point QCI cuts out failure E-RAB number)/(E-RAB leaving over E-RAB number+point QCI of point QCI is successfully established several+every QCI switches into E-RAB number) * 100%, wherein QCI=1-9；

When described critical events index is the wireless drop rate of E-RAB and QCI=1-9, described E-RAB without Line drop rate and QCI=1-9 use mode calculated as below: (eNB of point QCI asks the E-RAB discharged to ∑ The E-RAB cutting out failure of the E-RAB number+point QCI of the normal eNB request release of number-point QCI Number)/∑ divides the E-RAB of QCI to be successfully established number, and wherein ∑ represents each community in the range of LAN Statistical result add up, QCI=1-9；

When the MME that described critical events index is cell-level causes E-RAB drop rate, described cell-level MME cause E-RAB drop rate use mode calculated as below: (MME initiate release E-RAB number- Normal MME initiates the E-RAB number of release)/(leave over E-RAB number+E-RAB and be successfully established number + switch into E-RAB number) * 100%；

When described critical events index be MME cause E-RAB drop rate time, described MME causes E-RAB drop rate uses mode calculated as below: (MME initiates the E-RAB number-normal MME discharged to ∑ Initiate the E-RAB number of release)/∑ (E-RAB is successfully established and count+leaves over E-RAB number) * 100%；

When described critical events index is RRC connection reconstruction ratio, described RRC connection reconstruction ratio is adopted Use mode calculated as below: RRC connection reconstruction request number of times/(RRC connection establishment request number of times+RRC connects Rebuild request number of times) * 100%；

When described critical events index is RRC connection reconstruction mortality, the failure of described RRC connection reconstruction Rate uses mode calculated as below: 1-(RRC connection reconstruction completes number of times/RRC connection reconstruction request number of times) * 100%.

9. according to the method described in any one of claim 1 to 8, it is characterised in that described according to described former Beginning signaling forms the critical events index of the abnormal release of E-RAB, including:

Described original signaling is associated according to pre-set categories, obtains the signaling flow of the abnormal release of E-RAB；

Key message is extracted from the signaling flow of the abnormal release of described E-RAB；

Definition according to described critical events index and described key message, determine E-RAB abnormal release flow process Critical events index involved by.

10. the analytical equipment of the abnormal release of the RAB E-RAB of an evolution, it is characterised in that Described device includes acquiring unit, forms unit, judging unit, analytic unit and determine unit, wherein:

11. devices according to claim 10, it is characterised in that described critical events index includes RRC connection reconstruction ratio and E-RAB drop rate, wherein said E-RAB drop rate includes cell-level Drop rate that E-RAB is wireless and the E-RAB drop rate caused by mobile management entity of cell-level, Qi Zhongsuo The wireless drop rate of E-RAB stating cell-level is the E-RAB drop rate that base station is actively initiated, described cell-level The E-RAB drop rate that causes of mobile management entity be that the E-RAB that mobile management entity is actively initiated goes offline Rate.

12. devices according to claim 11, it is characterised in that when E-RAB drop rate is community Level E-RAB wireless drop rate time, described analytic unit include the first acquisition module and screening module, wherein:

13. devices according to claim 12, it is characterised in that described determine unit include classify mould Block and determine module, wherein:

14. devices according to claim 12, it is characterised in that described determine that unit includes cumulative mould Block, second determine that module and the 3rd determines module, wherein:

15. devices according to claim 11, it is characterised in that when described critical events index is During RRC connection reconstruction ratio, described analytic unit includes the second acquisition module, judge module, detection module Module is determined, wherein with the 4th:

Described detection module, for showing the RRC connection reconstruction at Target cell when described second judged result When ratio is unsatisfactory for the second condition preset, whether the adjacent area detecting described Target cell lacks；

16. devices according to claim 15, it is characterised in that described analytic unit also includes the 5th Determine module, for showing to meet at the RRC connection reconstruction ratio of Target cell when described second judged result During the second condition preset, it is defined as the inappropriate abnormal release cause of handoff parameter.

17. methods according to claim 1, it is characterised in that when described critical events index is little During the wireless drop rate of district's level, the wireless drop rate of described cell-level uses mode calculated as below: (base station eNB Request free context number-normal eNB asks free context number)/(initial context is successfully established number of times + (non-source is little to leave over context number+switch into number of success+RRC connection reconstruction number of success District)) * 100%；

18. according to the device described in any one of claim 10 to 17, it is characterised in that described formation list Unit includes that relating module, extraction module and the 6th determine module, wherein:

The analysis system of the abnormal release of the RAB E-RAB of 19. 1 kinds of evolution, it is characterised in that Described device includes:

20. systems according to claim 19, it is characterised in that each interface in described LTE network Including: the Uu of the main equipment of LTE network, X2 interface, and S1-MME, S11, S10, S6a, S5/8 Interface.