CN105188036B - LTE user CS domain droppings and return signalling analysis method - Google Patents
LTE user CS domain droppings and return signalling analysis method Download PDFInfo
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- CN105188036B CN105188036B CN201510479644.8A CN201510479644A CN105188036B CN 105188036 B CN105188036 B CN 105188036B CN 201510479644 A CN201510479644 A CN 201510479644A CN 105188036 B CN105188036 B CN 105188036B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
- H04W28/12—Flow control between communication endpoints using signalling between network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
- H04W8/16—Mobility data transfer selectively restricting mobility data tracking
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Abstract
The invention discloses a kind of LTE user CS domain droppings and return to signalling analysis method, it is characterised in that：LTE user in mobile communications network signaling monitoring system parses its signaling in a network, is tracked, is associated with when the voice in the domains CS, short message call, and obtains the user identifier IMSI of the user and falls the complete signaling process of process after rise.The method that the present invention is calculated using the processing of multiplex roles signaling tracing, association, realize LTE user speech, short message calling whole process reduction, end-to-end process analysis is carried out convenient for operator, positioning CSFB fails, CSFB time delays are big and the failure of each network node, is efficient one kind, the domains reliable LTE user CS voice, the tracking of short message call flow, analysis method.
Description
Technical field
The present invention relates to a kind of LTE user CS domain droppings and signalling analysis method is returned, belongs to mobile communication field.
Background technology
LTE network is the most smooth upgrading route of GSM/UMTS networks, is the network architecture that current each operator promotes mainly.
LTE mainly provides the data communication network of high speed, i.e. the data communication of ps domain, traditional voice in the domains CS, short message to the user
Business, be currently 2G, 3G for falling back to GSM/UMTS standards network on realize.
Current monitoring signaling and analysis platform, respectively to GSM, UMTS, LTE network（That is 2G, 3G, 4G network）Carry out Mc
Mouth and each interface of data ps domain carry out full monitoring signaling and analysis, can not yet realize that, as LTE user, voice, short message are fallen after rise
The signalling correlated processing of LTE network process is returned after the completion of to 2G, 3G and calling.When voice, short message calling occur for LTE user
When, signaling process can respectively appear in LTE network and 2G, 3G network（That is GSM/UMTS networks）And the SGs of LTE and 2G, 3G
On interactive interface, it is complete analysis LTE user speech, short message call signalling flow, needs first to LTE and GSM/UMTS networks
On signaling and the signaling on SGs interfaces parsed, tracked, it is signalling correlated then to carry out multiplex roles again, could completely generate
The call record XDR of user.User's the whole network, full-range signaling data record, the end-to-end analysis of user is carried out convenient for operator,
It knows all details in calling procedure clearly, therefore, the whole process processing analysis that the voice of LTE user, short message call has been compeled
In the eyebrows and eyelashes.
For example, the 4th phase of April in 2014《Telecommunications network technology》In disclose based on signaling monitoring system realize TD-LTE
The end-to-end method for optimization analysis of CSFB business, there is also following deficiencies in practical applications for this method：1, the document only describes
The signaling process that LTE user is fallen after rise, do not suggest that signaling on each interface fall after rise, the specific data processing of the XDR of return course,
Correlating method is a kind of principle introduction of LTE user's falling signaling procedure, rather than according to signaling data, generate each connects
The XDR data of mouth, are then associated as a complete XDR, are retouched to describe complete procedure of the user in voice, short message calling
Specific, the practical approach stated；2, the document is not introduced specifically on each interface through signaling tracing, generates the specific of respective XDR
Method will describe LTE user's falling, return course, need to do signaling respectively to Mc interface, S1 interfaces, SGs interfaces first comprehensively
Tracking generates respective XDR records, this is LTE user CS domain droppings and returns to the most foundation of signalling analysis；3, the document
The processing for not referring to the domains the CS return course of LTE user, describe the signaling procedure of user comprehensively, it is necessary to while paying close attention to user and existing
The falling in the domains CS and return course could carry out user whole process tracking, analysis, realize that LTE user speech, short message call
End-to-end process is analyzed；4, the document only analyzes Paging, Extended in LTE network falls signalling analysis after rise
Service Request signalings do not do accordingly Service Request, Initial UE Context Setup signalings
Analysis is only suitable for the analysis that certain customers fall process after rise, in actual monitoring signaling analysis system, will have a large amount of LTE to use
Fall XDR losses after rise in family.5, the document does not describe the specific method being associated according to the critical field on each interface, Ge Gejie
The association of mouth, needs to carry out matching association according to the respective critical field on each interface, could generate entire flow
XDR。
Invention content
It is an object of the invention to overcome the above problem of the existing technology, provide a kind of LTE user CS domain droppings and
Return to signalling analysis method.The method that the present invention is calculated using the processing of multiplex roles signaling tracing, association, realization LTE user speech,
Short message calls whole process reduction, carries out end-to-end process analysis convenient for operator, positioning CSFB failures, CSFB time delays are big and each
The failure of a network node is efficient one kind, the domains reliable LTE user CS voice, the tracking of short message call flow, analysis method.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of LTE user CS domain droppings and return to signalling analysis method, it is characterised in that：Mobile communications network monitoring signaling
LTE user in system parses its signaling in a network, is tracked, is associated with when the voice in the domains CS, short message call,
It obtains the user identifier IMSI of the user and falls the complete signaling process of process after rise.
The method is specially：In LTE network subscriber signaling, in parsing, tracking user CS domain droppings and return course
CSFB interface signaling process, and generate signaling in the lte networks and record XDR_LTE；In GSM/UMTS network user interfaces
In signaling, parsing, tracking user speech, short message call flow, and generate user's call record XDR_23G of GSM/UMTS；
In the SGs interface signalings of LTE and MSC Server, the SGs interface signalings of parsing, tracking user in falling and return course,
And generate SGs user data record XDR_SGS；By the critical field IMSI/TMSI in 3 interfaces into XDR between line interface
Association, summarizes the complete signaling process XDR for the user, generates its complete signaling process data.
The signaling record XDR_LTE's is generated as：Utilize the original of the LTE network S1-C interfaces of monitoring signaling platform acquisition
Beginning signaling data is decoded analysis to original signaling data, extract original signaling data type of message and analysis needed for
Critical field；According to falling signaling process after rise and returning to signaling process, the XDR_LTE signalings record of user on an LTE network is generated,
The signaling process of reappearing user on an LTE network.
The data record XDR_SGS's is generated as：Utilize the MME and 2G, 3G network element of the LTE of monitoring signaling platform acquisition
The original signaling data of SGs interactions between MSC Server, is decoded analysis to original signaling data, extracts original signaling number
According to type of message and analysis needed for critical field；According to falling signaling process after rise and returning to signaling process, user is generated at this
XDR_SGS signalings record on interface, signaling process of the reappearing user on SGs interfaces.
The call record XDR_23G's is generated as：It as caller or is called according to user, foundation 3GPP protocol specifications,
Mc mouthfuls of signaling data of GSM/UMTS networks is decoded, usertracking, generates voice, the short message call record XDR_23G of user.
The call record XDR_23G includes the related words of user identifier TMSI, IMSI and voice, short message calling procedure
Section, wherein TMSI is necessary item, and IMSI is option.
In the generation of the call record XDR_23G：
It is established using the TMSI and IMSI in Paging signalings as called event for user（TMSI-IMSI）Mc
Mapping table utilizes the TMSI of signaling institute band in calling procedure, inquiry（TMSI-IMSI）Mc mapping tables, obtaining should
IMSI number corresponding to TMSI, to backfill IMSI in call record XDR_23G；
Event for user as caller, first with the TMSI of signaling institute band in calling procedure, inquiry（TMSI-
IMSI）Mc relation tables, if（TMSI-IMSI）The record for including the TMSI in Mc relation tables extracts corresponding IMSI at this time, and will
IMSI is backfilled in XDR_23G records；If（TMSI-IMSI）The record for not including the TMSI in Mc relation tables, is inquired at this time
（TMSI-IMSI）Then IMSI is backfilling into XDR_23G records by SGs mapping tables, while（TMSI-IMSI）Mc is closed
It is to increase TMSI and IMSI correspondences at this time in table；
In user speech, short message calling procedure, when user TMSI changes in calling procedure, is reassigned and believed according to TMSI
Flow is enabled, is inquired using the TMSI used before user（TMSI-IMSI）Mc mapping tables, are inquired（TMSI-
IMSI）The TMSI of Mc records, is updated to newTMSI, i.e., will（TMSI-IMSI）It is currently used that Mc mapping tables are updated to user
TMSI and IMSI correspondences；
When user carry out position with it is new when, according to position update flow, the TMSI inquiries that use user to use in the past
（TMSI-IMSI）Mc mapping tables, are inquired（TMSI-IMSI）The TMSI of Mc records, is updated to newTMSI, i.e.,
It will（TMSI-IMSI）Mc mapping tables are updated to the currently used TMSI and IMSI correspondences of user.
It is described to be associated as：Critical field IMSI/TMSI in being recorded by each interface data, carries out on each interface
XDR data correlations, and the XDR in association is recorded, it is encapsulated as complete signaling process data.
The complete signaling process data include interacting on falling, return course and SGs interfaces in LTE network
Voice, the short message call flow realized on journey and 2G, 3G network.
In the association, according to XDR_23G, if IMSI exists, according to IMSI, the CRD being directly linked on 3 interfaces remembers
Record records XDR_LTE, XDR_SGS, XDR_23G of identical IMSI, and association, which merges, generates the full-range XDR of user；If IMSI
It is not present, then according to the TMSI fields in XDR_23G, XDR_SGS in association, then according to the IMSI of XDR_SGS, in association
XDR_LTE。
Advantage using the present invention is：
One, the present invention is the original signaling data acquired based on current signal collecting platform, fallen after rise for LTE user,
The whole network, whole process analysis and the tracking of return course, the side that multiplex roles signaling tracing using the present invention is handled, association calculates
Method realizes LTE user speech, short message calling whole process reduction, carries out end-to-end process analysis convenient for operator, position CSFB
Failure, CSFB time delays be big and the failure of each network node, is a kind of efficient, domains reliable LTE user CS voice, short message calling
Flow tracking, analysis mode.
Two, mobile network's network element interface according to the present invention is less, and the network element being related to is current signal collecting platform
The interface acquired is easy to be deployed in existing mobile network's signaling monitoring system.
Three, user IMSI of the present invention backfills technology, LTE user is realized when carrying out voice, short message calling, in 2G, 3G
User's IMSI backfills on network carry out user behavior point to carry out IMSI marks in user's call record to operator
Analysis, specific aim marketing provide detailed, accurate data.
In conclusion mobile network's interface of the present invention is few, it is easy to apply and be deployed in current monitoring signaling system
System；The method that the processing of multiplex roles signaling tracing, the association of the present invention calculates realizes LTE user speech, short message calling whole process also
Original carries out end-to-end process analysis convenient for operator, and positioning CSFB fails, CSFB time delays are big and the event of each network node
Barrier is efficient, the reliable LTE user speech of one kind, short message call flow analysis mode.
Specific implementation mode
Embodiment 1
A kind of LTE user CS domain droppings and signalling analysis method is returned to, including：In mobile communications network signaling monitoring system
LTE user when the voice in the domains CS, short message call, its signaling in a network is parsed, tracked, is associated with, obtaining should
The user identifier IMSI and the falling complete signaling process of process of user.
The method is specially：In LTE network subscriber signaling, in parsing, tracking user CS domain droppings and return course
CSFB interface signaling process, and generate signaling in the lte networks and record XDR_LTE；In GSM/UMTS network user interfaces
In signaling, parsing, tracking user speech, short message call flow, and generate user's call record XDR_23G of GSM/UMTS；
In the SGs interface signalings of LTE and MSC Server, the SGs interface signalings of parsing, tracking user in falling and return course,
And generate SGs user data record XDR_SGS；By the critical field IMSI/TMSI in 3 interfaces into XDR between line interface
Association, summarizes the complete signaling process XDR for the user, generates its complete signaling process data.
The signaling record XDR_LTE's is generated as：Utilize the original of the LTE network S1-C interfaces of monitoring signaling platform acquisition
Beginning signaling data is decoded analysis to original signaling data, extract original signaling data type of message and analysis needed for
Critical field；According to falling signaling process after rise and returning to signaling process, the XDR_LTE signalings record of user on an LTE network is generated,
The signaling process of reappearing user on an LTE network.
The data record XDR_SGS's is generated as：Utilize the MME and 2G, 3G network element of the LTE of monitoring signaling platform acquisition
The original signaling data of SGs interactions between MSC Server, is decoded analysis to original signaling data, extracts original signaling number
According to type of message and analysis needed for critical field；According to falling signaling process after rise and returning to signaling process, user is generated at this
XDR_SGS signalings record on interface, signaling process of the reappearing user on SGs interfaces.
The call record XDR_23G's is generated as：It as caller or is called according to user, foundation 3GPP protocol specifications,
Mc mouthfuls of signaling data of GSM/UMTS networks is decoded, usertracking, generates voice, the short message call record XDR_23G of user.
The call record XDR_23G includes the related words of user identifier TMSI, IMSI and voice, short message calling procedure
Section, wherein TMSI is necessary item, and IMSI is option.
In the generation of the call record XDR_23G：
It is established using the TMSI and IMSI in Paging signalings as called event for user（TMSI-IMSI）Mc
Mapping table utilizes the TMSI of signaling institute band in calling procedure, inquiry（TMSI-IMSI）Mc mapping tables, obtaining should
IMSI number corresponding to TMSI, to backfill IMSI in call record XDR_23G；
Event for user as caller, first with the TMSI of signaling institute band in calling procedure, inquiry（TMSI-
IMSI）Mc relation tables, if（TMSI-IMSI）The record for including the TMSI in Mc relation tables extracts corresponding IMSI at this time, and will
IMSI is backfilled in XDR_23G records；If（TMSI-IMSI）The record for not including the TMSI in Mc relation tables, is inquired at this time
（TMSI-IMSI）Then IMSI is backfilling into XDR_23G records by SGs mapping tables, while（TMSI-IMSI）Mc is closed
It is to increase TMSI and IMSI correspondences at this time in table；
In user speech, short message calling procedure, when user TMSI changes in calling procedure, is reassigned and believed according to TMSI
Flow is enabled, is inquired using the TMSI used before user（TMSI-IMSI）Mc mapping tables, are inquired（TMSI-
IMSI）The TMSI of Mc records, is updated to newTMSI, i.e., will（TMSI-IMSI）It is currently used that Mc mapping tables are updated to user
TMSI and IMSI correspondences；
When user carry out position with it is new when, according to position update flow, the TMSI inquiries that use user to use in the past
（TMSI-IMSI）Mc mapping tables, are inquired（TMSI-IMSI）The TMSI of Mc records, is updated to newTMSI, i.e.,
It will（TMSI-IMSI）Mc mapping tables are updated to the currently used TMSI and IMSI correspondences of user.
It is described to be associated as：Critical field IMSI/TMSI in being recorded by each interface data, carries out on each interface
XDR data correlations, and the XDR in association is recorded, it is encapsulated as complete signaling process data.
The complete signaling process data include interacting on falling, return course and SGs interfaces in LTE network
Voice, the short message call flow realized on journey and 2G, 3G network.
In the association, according to XDR_23G, if IMSI exists, according to IMSI, the CRD being directly linked on 3 interfaces remembers
Record records XDR_LTE, XDR_SGS, XDR_23G of identical IMSI, and association, which merges, generates the full-range XDR of user；If IMSI
It is not present, then according to the TMSI fields in XDR_23G, XDR_SGS in association, then according to the IMSI of XDR_SGS, in association
XDR_LTE。
Embodiment 2
A kind of LTE user CS domain droppings and signalling analysis method is returned to, the method is：In LTE network subscriber signaling,
CSFB interface signaling process in parsing, tracking user CS domain droppings and return course, and generate signaling note in the lte networks
Record XDR_LTE；In GSM/UMTS network user interface signalings, parsing, tracking user speech, short message call flow, and generate
User's call record XDR_23G of GSM/UMTS；In the SGs interface signalings of LTE and MSC Server, parsing, tracking user
SGs interface signalings in falling and return course, and generate SGs user data record XDR_SGS；By in 3 interfaces
Critical field IMSI/TMSI finally summarizes the complete signaling process XDR for the user, generates it into the association of XDR between line interface
Complete signaling process.
The method specifically comprises the following steps：
A, XDR_LTE signalings record generates：When LTE user carries out voice, the short message calling in the domains CS, fall back to first
On GSM/UMTS networks, voice, short message calling are realized on 2,3G network.After voice, short message end of calling, LTE nets are returned again to
Network is resident on an LTE network again.It is right using the original signaling data of the LTE network S1-C interfaces of monitoring signaling platform acquisition
Signaling is decoded analysis, the type of message for extracting signaling and the critical field needed for analysis, association；It falls after rise and flows for CSFB
Journey, type of message message are related to Paging, Extended Service Request, Service Request, Initial
UE Context Setup.Paging message mainly realize to LTE user as it is called when it is paged；Extended
Service Request message directly indicates user and proceeds by language falling；In Service Request message, letter
It enables field Service Type be designated as 0000,0001,0010, has indicated respectively caller, called and urgent call voice, short
Letter is fallen after rise.Initial UE Context Setup include CS Fallback Indicator, which indicates eNodeB, UE
Because CSFB business needs to fall back to GSM/UMTS networks.After voice, short message end of calling, user will return to LTE network,
Signaling message relates generally to Tracking area update request, Tracking area update accept etc., i.e.,
Voice, short message end of calling, user in the lte networks, do again area TAC with new, return to LTE network.
By decoding to above-mentioned signaling and usertracking, and according to the S1AP protocol specifications of 3GPP, user is generated in LTE
The data record XDR_LTE of voice, short message falling, return course in network, wherein the correlation comprising entire LTE flows is important
Field and user identifier IMSI.
B, XDR_SGS records generate：When LTE user carries out voice, short message is fallen after rise, the MME of LTE will be with GSM/UMTS's
MSC Server carry out Signalling exchange by SGs interfaces, notify 2G, 3G network element device, and the voice of a certain user, short message are called
Fall back to 2G, on 3G network.
C, XDR_23G records generate：According to user as caller or called, the BSSAP/RANAP agreements rule according to 3GPP
Model decodes Mc mouthfuls of signaling data of GSM/UMTS networks, usertracking, generates voice, the short message call record XDR_ of user
23G, including user identifier TMSI, IMSI and the relevant field of voice, short message calling procedure.Wherein, XDR_23G is recorded
In, TMSI is necessary item, and IMSI is option, i.e., may not be able to identify the IMSI of user in XDR_23G records, remember at this time
IMSI fields are sky in record.
D, multi-interface data is associated with：According to XDR_23G, if IMSI exists, according to IMSI, it is directly linked on 3 interfaces
CRD record, i.e., by XDR_LTE, XDR_SGS, XDR_23G of identical IMSI record, association merge generate user it is full-range
XDR；If IMSI is not present, according to the TMSI fields in XDR_23G, XDR_SGS in association, then according to XDR_SGS's
IMSI, XDR_LTE in association.By the above method, that is, constitute the domains LTE user CS voice, the entire flow that short message calls,
Complete voice, short message calling on falling, Returning process on LTE, the interaction flow on SGs interfaces and 2,3G network
Flow.The whole process XDR ultimately generated, inserting signaling monitor analysis platform database.
The step B includes：
B01, on SGs interfaces, according to the SGsAP protocol specifications of 3GPP, signaling relates generally to：SGsAP-PAGING-
REQUEST、SGsAP-SERVICE-REQUEST 、SGsAP-LOCATION-UPDATE-REQUEST、SGsAP-LOCATION-
UPDATE-ACCEPT .The stage is fallen after rise in user, and LTE passes through SGsAP-PAGING-REQUEST, SGsAP-SERVICE-
REQUEST signals the voice of a certain users of MSC Server, short message calling will fall back to 2G, on 3G network, MSC
Server establishes on 2G, 3G network and realizes this voice, short message calling according to interaction signaling；When voice, short message calling knot
Beam, MSC Server are believed by SGsAP-LOCATION-UPDATE-REQUEST, SGsAP-LOCATION-UPDATE-ACCEPT
Flow is enabled, notifies LTE network, the secondary voice, short message calling to be over, user will return to LTE network.It is flat using monitoring signaling
The original signaling data of the SGs interfaces of platform acquisition, is decoded analysis to above-mentioned signaling, extracts type of message and the analysis of signaling
Required critical field, and XDR_SGS on SGs interfaces is generated according to signaling process, wherein comprising user identifier TMSI,
IMSI and other flow relevant fields.
B02, in SGsAP-PAGING-REQUEST signalings, the IMSI of user that MME notices MSC Server are paged
And TMSI, using SGsAP-PAGING-REQUEST signalings, TMSI, IMSI for establishing on SGs interfaces are generated（TMSI-IMSI）
SGs mapping tables；In SGsAP-LOCATION-UPDATE-ACCEPT signalings, system will be that user redistributes TMSI,
The TMSI in signaling is extracted at this time（That is newTMSI）, IMSI fields, inquired using IMSI（TMSI-IMSI）SGs correspondences
Table such as inquires IMSI records, then the TMSI in record is updated to newTMSI, with realization pair（TMSI-IMSI）SGs pairs
Answer the real-time servicing of relation table.（TMSI-IMSI）SGs mapping tables are mainly used for using when multi-interface data association.
The step C includes：
C01, the Mc mouth signaling datas for 2,3G network carry out signaling according to the BSSAP/RANAP protocol specifications of 3GPP
Decoding Analysis, extraction voice, the critical field of short message calling procedure, the critical field and user identifier of call flow tracking
TMSI。
C02, for user as called event（Called audio call receives short message）, using in Paging signalings
TMSI and IMSI is established（TMSI-IMSI）Mc mapping tables.Utilize the TMSI of signaling institute band in calling procedure, inquiry
（TMSI-IMSI）Mc mapping tables obtain the IMSI number corresponding to the TMSI, to be backfilled in call record XDR_23G
IMSI。
C03, the event for user as caller（Caller audio call sends short message）, first in calling procedure
The TMSI of signaling institute band, inquiry（TMSI-IMSI）Mc relation tables, if（TMSI-IMSI）Include the note of the TMSI in Mc relation tables
Record extracts corresponding IMSI, and IMSI is backfilled in XDR_23G records at this time；If（TMSI-IMSI）It is not wrapped in Mc relation tables
Record containing the TMSI, is inquired at this time（TMSI-IMSI）Then IMSI is backfilling into XDR_23G records by SGs mapping tables
In, while（TMSI-IMSI）In Mc relation tables, increase TMSI and IMSI correspondences at this time.
In C04, user speech, short message call flow, when user TMSI changes in calling procedure, divided again according to TMSI
With signaling process, the TMSI used before user is used（That is oldTMSI）Inquiry（TMSI-IMSI）Mc mapping tables, by it
It inquires（TMSI-IMSI）The TMSI of Mc records, is updated to newTMSI, i.e., will（TMSI-IMSI）Mc mapping tables update
For the currently used TMSI and IMSI correspondences of user.
C05, when user carry out position with it is new when, the TMSI used may be redistributed.At this point, according to location updating
Flow uses the TMSI used before user（That is oldTMSI）Inquiry（TMSI-IMSI）Mc mapping tables, are inquired
's（TMSI-IMSI）The TMSI of Mc records, is updated to newTMSI, i.e., will（TMSI-IMSI）Mc mapping tables are updated to user
Currently used TMSI and IMSI correspondences.
Embodiment 3
A kind of LTE user CS domain droppings and signalling analysis method is returned to, including：
XDR_LTE signalings record generates：Utilize the original signaling number of the LTE network S1-C interfaces of monitoring signaling platform acquisition
According to, analysis is decoded to signaling, extract signaling type of message and analysis needed for critical field；According to falling signaling process
And signaling process is returned, generate the XDR_LTE signalings record of user on an LTE network, the signaling of reappearing user on an LTE network
Flow；
XDR_SGS records generate：Between LTE MME and 2G, 3G network element MSC Server using the acquisition of monitoring signaling platform
SGs interactions original signaling data, analysis is decoded to signaling, extracts the type of message of signaling and the key that analysis is required
Field；According to falling signaling process after rise and returning to signaling process, the XDR_SGS signalings record of user over that interface is generated, is reappeared
Signaling process of the user on SGs interfaces；
XDR_23G records generate：According to user as caller or called, foundation 3GPP protocol specifications, to GSM/UMTS nets
The decoding of the signaling data that Mc mouthful of network, usertracking, generate voice, the short message call record XDR_23G of user；
Multi-interface data is associated with：Critical field IMSI, TMSI in being recorded by each interface data, carries out each interface
On XDR data correlations, and by association XDR record, be encapsulated as complete signaling process data, wherein include LTE network
On falling, return course and interactive process on SGs interfaces and 2G, 3G network on voice, the short message call flow realized.
In the present invention, the prior art can be used in the technological means not being described in detail, for example, parsing, tracking user CS
Domain dropping, parsing, tracking can be used the prior art, be decoded to signaling, the prior art can be used in specific decoding means.
Claims (9)
1. a kind of LTE user CS domain droppings and return signalling analysis method, it is characterised in that：Mobile communications network monitoring signaling system
LTE user in system parses its signaling in a network, is tracked, is associated with, obtained when the voice in the domains CS, short message call
It takes the user identifier IMSI of the user and falls the complete signaling process of process after rise；
The method is specially：In LTE network subscriber signaling, in parsing, tracking user CS domain droppings and return course
CSFB interface signaling process, and the signaling generated in the lte networks records XDR_LTE；Believe in GSM/UMTS network user interfaces
In order, parsing, tracking user speech, short message call flow, and generate user's call record XDR_23G of GSM/UMTS；In LTE
With the SGs interface signalings of MSC Server, parsing tracks SGs interface signaling of the user in falling and return course, and raw
XDR_SGS is recorded at SGs user data；By the critical field IMSI/TMSI in 3 interfaces into the association of XDR between line interface,
Summarize the complete signaling process XDR for the user, generates its complete signaling process data.
2. LTE user CS domain droppings according to claim 1 and return signalling analysis method, it is characterised in that：The letter
Enable being generated as record XDR_LTE：It is right using the original signaling data of the LTE network S1-C interfaces of monitoring signaling platform acquisition
Original signaling data is decoded analysis, the type of message for extracting original signaling data and the critical field needed for analysis；According to
It falls signaling process after rise and returns to signaling process, generate the XDR_LTE signalings record of user on an LTE network, reappearing user is in LTE
Signaling process on network.
3. LTE user CS domain droppings according to claim 1 or 2 and return signalling analysis method, it is characterised in that：It is described
Data record XDR_SGS's is generated as：Between MME and 2G, 3G network element MSC Server using the LTE of monitoring signaling platform acquisition
SGs interaction original signaling data, analysis is decoded to original signaling data, extracts the type of message of original signaling data
And the critical field needed for analysis；According to falling signaling process after rise and returning to signaling process, the XDR_ of user over that interface is generated
SGS signalings record, signaling process of the reappearing user on SGs interfaces.
4. LTE user CS domain droppings according to claim 3 and return signalling analysis method, it is characterised in that：It is described to exhale
Cry being generated as record XDR_23G：According to user as caller or called, foundation 3GPP protocol specifications, to GSM/UMTS networks
Mc mouthfuls signaling data decoding, usertracking, generate voice, the short message call record XDR_23G of user.
5. LTE user CS domain droppings according to claim 4 and return signalling analysis method, it is characterised in that：It is described to exhale
It includes the relevant field of user identifier TMSI, IMSI and voice, short message calling procedure to be record XDR_23G, wherein TMSI is must
Palpus item, IMSI is option.
6. LTE user CS domain droppings according to claim 5 and return signalling analysis method, it is characterised in that：It is described to exhale
In the generation for being record XDR_23G：
It is established using the TMSI and IMSI in Paging signalings as called event for user（TMSI-IMSI）Mc is corresponded to
Relation table utilizes the TMSI of signaling institute band in calling procedure, inquiry（TMSI-IMSI）Mc mapping tables obtain the TMSI institutes
Corresponding IMSI number, to backfill IMSI in call record XDR_23G；
Event for user as caller, first with the TMSI of signaling institute band in calling procedure, inquiry（TMSI-IMSI）Mc
Relation table, if（TMSI-IMSI）The record for including the TMSI in Mc relation tables extracts corresponding IMSI, and IMSI is returned at this time
It inserts in XDR_23G records；If（TMSI-IMSI）The record for not including the TMSI in Mc relation tables, is inquired at this time（TMSI-
IMSI）Then IMSI is backfilling into XDR_23G records by SGs mapping tables, while（TMSI-IMSI）In Mc relation tables,
Increase TMSI and IMSI correspondences at this time；
In user speech, short message calling procedure, when user TMSI changes in calling procedure, signaling flow is reassigned according to TMSI
Journey is inquired using the TMSI used before user（TMSI-IMSI）Mc mapping tables, are inquired（TMSI-IMSI）
The TMSI of Mc records, is updated to newTMSI, i.e., will（TMSI-IMSI）It is currently used that Mc mapping tables are updated to user
TMSI and IMSI correspondences；
When user carry out position with it is new when, according to position update flow, the TMSI inquiries that use user to use in the past（TMSI-
IMSI）Mc mapping tables, are inquired（TMSI-IMSI）The TMSI of Mc records, is updated to newTMSI, i.e., will
（TMSI-IMSI）Mc mapping tables are updated to the currently used TMSI and IMSI correspondences of user.
7. the LTE user CS domain droppings according to claim 2,4,5 or 6 and return signalling analysis method, it is characterised in that：
It is described to be associated as：Critical field IMSI/TMSI in being recorded by each interface data, carries out the XDR data on each interface
Association, and the XDR in association is recorded, it is encapsulated as complete signaling process data.
8. LTE user CS domain droppings according to claim 7 and return signalling analysis method, it is characterised in that：It is described complete
Whole signaling process data include falling, return course and the interactive process on SGs interfaces and 2G, 3G network in LTE network
Voice, the short message call flow of upper realization.
9. LTE user CS domain droppings according to claim 8 and return signalling analysis method, it is characterised in that：The pass
In connection, according to XDR_23G, if IMSI exists, according to IMSI, the CRD records being directly linked on 3 interfaces, by identical IMSI
XDR_LTE, XDR_SGS, XDR_23G record, association, which merges, generates user full-range XDR；If IMSI is not present, basis
TMSI fields in XDR_23G, XDR_SGS in association, then according to the IMSI of XDR_SGS, XDR_LTE in association.
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| CN107484181A (en) * | 2016-06-08 | 2017-12-15 | ***通信集团山西有限公司 | The appraisal procedure and device of a kind of network covering property |
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