CN105376792B - A kind of S1 Interface User device context management monitoring method and device - Google Patents
A kind of S1 Interface User device context management monitoring method and device Download PDFInfo
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Abstract
The invention discloses a kind of S1 interface UE context management monitoring methods, which comprises constructs the simulation protocol stack and emulation long term evolution LTE user terminal of S1-MME；Emulation testing is carried out to the Attach of LTE, the context Establishing process of EPS Bearer by the simulation protocol stack and emulation LTE user terminal of the S1-MME, whether test S1 interface UE context management process is normal.The present invention also discloses a kind of S1 interface UE context management monitoring devices can accurately realize the real time monitoring to S1 UE context process using the present invention.
Description
Technical field
The present invention relates to the data management technique in core net field more particularly to a kind of S1 Interface User equipment (UE) up and down
Text management monitoring method and device.
Background technique
Currently, the network operation for long term evolution (LTE, Long Term Evolution) core network service supports hand
Section also compares shortage, and in terms of the data monitoring analysis in core net field, main data monitoring means are drive test or hard terminal
Instrument measurement, for example, by testing central platform by circuit switched data services (CSD, Circuit Switched Data),
Each testing terminal is given in short message or the general packet radio service technology channel (GPRS, General Packet Radio Service)
Testing plan is issued, and then realizes the operational trials of auto-dial testing or is filled by installing test terminal in public transport
It sets, realizes to timesharing long term evolution (TD-LTE, Time Division Long Term Evolution) system communication traffic
Network quality is tested etc.；But it is big that above method test process cannot shield air interference, testing terminal need to occupy testing point
Radio resource is measured, or core net malfunctioning node can not be positioned, effective monitoring mechanism can not be established for core network element.
Therefore, at present in terms of the network operation support of core network service, lack it is a kind of centralization, shielding air interference,
For the real-time monitoring scheme of LTE S1 interface UE context management process.
Summary of the invention
In view of this, an embodiment of the present invention is intended to provide a kind of S1 interface UE context management monitoring method and device, energy
Enough real time monitorings realized to S1 UE context process.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
The embodiment of the invention provides a kind of S1 Interface User equipment UE context management monitoring method, the method packets
It includes:
Construct the simulation protocol stack and emulation long term evolution LTE user terminal of S1 control plane interface S1-MME；
System is grouped to the attachment Attach of LTE, evolution by the simulation protocol stack and emulation LTE user terminal of the S1-MME
The context Establishing process of system carrying EPS Bearer carries out emulation testing, and just whether test S1 interface UE context management process
Often.
In above scheme, the simulation protocol stack of the building S1-MME interface includes: by software simulation technique to S1-
Flow Control Transmission Protocol SCTP, S1-AP and each layer communication interface in MME protocol stack of the interface are successively emulated, and by embedding
Enter formula technology to be carried and run on hardware.
In above scheme, the building emulation LTE user terminal includes: by software simulation technique to emulation LTE user terminal
Non-Access Stratum NAS, radio resource control rrc layer and each layer communication interface successively emulated, and pass through embedded skill
Art is carried and is run on hardware.
It is described that emulation testing packet is carried out to the Attach of LTE, the context Establishing process of EPS Bearer in above scheme
It includes:
Emulate the data packet that LTE user generates unified interface；
The initialization of simulation protocol stack is carried out, establishes SCTP coupling with MME；
Initiate Attach, the EPS Bearer emulation testing process of LTE.
In above scheme, the test S1 interface UE context management process whether normally include: by Attach,
The signaling that the context of EPS Bearer establishes testing process carries out packet capturing, whether just to judge UE initial context management process
Often.
The embodiment of the invention also provides a kind of S1 interface UE context management monitoring device, described device includes emulation mould
Block, test module, wherein
The emulation module constructs the simulation protocol stack and emulation long term evolution LTE user terminal of S1-MME；
The test module for the simulation protocol stack by the S1-MME and emulates LTE user terminal to LTE's
The context Establishing process progress emulation testing of Attach, EPS Bearer, whether test S1 interface UE context management process
Normally.
In above scheme, the simulation protocol stack of the emulation module building S1-MME interface includes: that the emulation module is logical
Cross software simulation technique in S1-MME interface protocol stack SCTP, S1-AP and each layer communication interface successively emulated, and
It is carried and is run on hardware by embedded technology.
In above scheme, the emulation module building emulation LTE user terminal includes: by software simulation technique to emulation
NAS, rrc layer and each layer communication interface of LTE user terminal are successively emulated, and are held on hardware by embedded technology
It carries and runs.
In above scheme, test module carries out emulation survey to the Attach of LTE, the context Establishing process of EPS Bearer
Examination includes:
The test module control emulation LTE user generates the data packet of unified interface；
The initialization of simulation protocol stack is carried out, establishes SCTP coupling with MME；
Initiate Attach, the EPS Bearer emulation testing process of LTE.
In above scheme, whether the test module test S1 interface UE context management process normally includes: the survey
Die trial block by the context to Attach, EPS Bearer establish testing process signaling carry out packet capturing, judge that UE is initial on
Hereafter whether management process is normal.
S1 interface UE context management monitoring method and device provided by the embodiment of the present invention are connect by constructing S1-MME
The simulation protocol stack and emulation LTE user terminal of mouth；The attachment (Attach) of LTE, the EPS context for carrying (Bearer) are established
Whether process carries out emulation testing, normal to test S1 interface UE initial context Establishing process.Also, by test result
Analysis to realize the real time monitoring to S1 UE context management process, can the wireless side of influence to avoid to(for) test result,
It ensures the accuracy of test data, more really reacts showing for LTE EPC core net S1 interface UE context management process
Shape realizes the real time monitoring to S1 UE context process.
Detailed description of the invention
Fig. 1 is system group network of embodiment of the present invention structural schematic diagram；
Fig. 2 is S1 of embodiment of the present invention interface standard protocol stack model schematic diagram；
Fig. 3 is Attach, the EPS Bearer flow diagram of LTE of the embodiment of the present invention；
Fig. 4 is S1 of embodiment of the present invention interface UE context management monitoring method flow diagram；
Fig. 5 is that the embodiment of the present invention emulates LTE user terminal and simulation protocol stack architecture schematic diagram；
Fig. 6 is that the signaling flow in test process of the embodiment of the present invention moves towards schematic diagram；
Fig. 7 is that the embodiment of the present invention carries out emulation testing to the Attach of LTE, the context Establishing process of EPS Bearer
Method flow schematic diagram；
Fig. 8 is emulation testing of embodiment of the present invention signaling message schematic diagram；
Fig. 9 is that the simulation results of the embodiment of the present invention report schematic diagram；
Figure 10 is concrete application scene of embodiment of the present invention schematic diagram；
Figure 11 is S1 of embodiment of the present invention interface UE context management monitoring device structural schematic diagram.
Specific embodiment
In embodiments of the present invention, the simulation protocol stack and emulation LTE user terminal for constructing S1-MME first, by described
The simulation protocol stack and emulation LTE user terminal of S1-MME carries out the Attach of LTE, the context Establishing process of EPS Bearer
Whether emulation testing, test S1 interface UE initial context management process are normal.
Here, by constructing the simulation protocol stack of S1-MME interface, to realize the control plane emulation of eNodeB.The building
The simulation protocol stack of S1-MME interface includes: by software simulation technique to the flow control transmission association in S1-MME interface protocol stack
View SCTP, S1-AP and each layer communication interface are successively emulated, and are carried and transported on hardware by embedded technology
Row.
In the embodiment of the present invention, the building emulation LTE user terminal includes: to be used by software simulation technique emulation LTE
Non-Access Stratum NAS, radio resource control rrc layer and each layer communication interface at family end are successively emulated, and pass through insertion
Formula technology is carried and is run on hardware.
Basic network entity includes: eNodeB, moving tube in the core net (EPC, Evolved Packet Core) of 4G
Manage entity (MME, Mobility Management Entity), home subscriber server (HSS, Home Subscriber
Server), Service Gateway (S-GW, Service Gateway) and public data network (PDN, Public Data
Network)；Wherein, eNodeB is the core of LTE access net, is attached, is used for by S1 interface between eNodeB and EPC
It carries out radiofrequency signal with terminal to interact, after terminal is connect with eNodeB, eNodeB will do it signaling and data forwarding；MME net
Member is used for user access control and mobility, the signaling message that terminal is initiated can be attached to SGW and PGW according to signing information
On network element；HSS network element is for saving user signing contract information；SGW network element is proximate to the gateway of eNodeB, for by the business of user
On data forwarding PGW, SGW may be with inside the province outside the province, and the PGW of home and abroad is docked；PGW network element is proximate to the network element of the side PDN, bears
It blames except data message forwarding, is also responsible for deployment online charging and Dynamic Control Strategy；PDN can be Internet, can also be with
The server of enterprises.
Fig. 1 is system group network of embodiment of the present invention structural schematic diagram, and the purpose of embodiment of the present invention is by initial to S1UE
The real-time monitoring of context establishment process passes through the emulation to S1-MME interface protocol stack and user equipment, building emulation
ENodeB and emulation LTE user terminal, and by the simulation protocol stack of the S1-MME and emulation LTE user terminal, to LTE's
The context Establishing process progress emulation testing of Attach, EPS Bearer, test S1 interface UE initial context management process
It is whether normal.
As shown in Figure 1, equipment relevant to the embodiment of the present invention includes: the simulation protocol stack of S1-MME interface, emulation LTE
User terminal and MME and S-GW in EPC network；Here, MME and S-GW is the network element device in existing network.This
In inventive embodiments, the simulation protocol stack and emulation LTE user terminal of the S1-MME interface can be located at a unified industry
It is engaged in test platform or device, the simulation protocol stack can also be located in individually emulation eNodeB.Simulation protocol stack and
Emulation LTE user terminal is connected by S1 control plane interface (S1-MME) with MME.
The S1-MME interface, i.e. S1 Interface Controller plane interface, between eNodeB and MME, S1 interface standard association
It is as shown in Figure 2 to discuss stack model, wherein S1-MME interface includes IP transport layer, SCTP layers and S1-AP.
Attach, the EPS Bearer process of LTE described in the embodiment of the present invention is led to as shown in figure 3, in the embodiment of the present invention
Emulation technology building emulation LTE user terminal is crossed, and by the simulation protocol stack of building S1-MME interface, realizes the control of eNodeB
Face emulation.By taking Fig. 3 as an example, Attach, the EPS Bearer process of LTE specifically includes the following steps:
Step 301: establishing LTE user terminal and the RRC connection of eNodeB；
Step 302: user terminal sends Attach request to eNodeB；
Step 303:eNodeB sends initial UE message to MME；
Wherein, the Attach in the initial UE message comprising LTE user terminal is requested；
Step 304: being authenticated and encrypted；
Step 305:MME sends initial context and establishes request to eNodeB；
Wherein, it includes Attach received message and activation default EPS Bearer that the initial context, which is established in message,
Context request message；
Step 306:LTE user terminal and eNodeB are attached reconfiguration；
Step 307:eNodeB sends Attach and accepts message to LTE user terminal；
It wherein, further include activation default EPS Bearer context request message in the Attach received message；
Step 308:eNodeB sends context foundation and is responsive to MME；
Step 309:LTE user terminal sends Attach and completes message to eNodeB；
Wherein, the Attach completes to include that Attach completes and activate default EPS Bearer context in message
Received message；
Step 310:eNodeB sends Attach and completes message to MME；
Wherein, the Attach completes to include that Attach completes and activate default EPS Bearer context in message
Received message；
In terms of the above process, in the context establishment process of LTE UE, Attach process and EPS Bearer need to be realized
Process.Therefore, S1 interface UE context management monitoring scheme of the embodiment of the present invention based on S1-MME interface protocol emulation
Emphasis is the context establishment process of emulation testing LTE Attach, EPS Bearer, and passes through survey in subsequent processes
The signaling for trying process carries out packet capturing, judges whether UE initial context management process is normal.
With reference to the accompanying drawing and specific embodiment, the implementation of technical solution of the present invention is described in further detail.Fig. 4
For S1 interface UE context management monitoring method flow diagram of the embodiment of the present invention, as shown in figure 4, base of embodiment of the present invention S1
Interface UE context management monitoring method, comprising the following steps:
Step 401: constructing the simulation protocol stack and emulation LTE user terminal of S1-MME；
The simulation protocol stack of the building S1-MME interface includes: by software simulation technique to S1-MME interface protocol stack
In Flow Control Transmission Protocol (SCTP), S1-AP and each layer communication interface successively emulated, and existed by embedded technology
It is carried and is run on hardware.
The building emulation LTE user terminal includes: the Non-Access Stratum by software simulation technique to emulation LTE user terminal
(NAS), radio resource control (RRC) layer and each layer communication interface are successively emulated, and by embedded technology hard
It is carried and is run on part.
Specifically, the emulation of S1-MME interface protocol stack is according in 3GPP Technical Specification23.402
The S1 interface standard protocol model of announcement is designed and developed.By software simulation technique in S1-MME interface protocol stack SCTP,
S1-AP and NAS, rrc layer and each layer communication interface for emulating LTE user terminal are successively emulated, and pass through embedded technology
Inhaul operation is carried out on specialized hardware, and LTE EPC is accessed by IP mode.
According to 3G network Iu Interface Controller and isolated thought is carried, each layer protocol of S1-MME interface protocol stack is also mutual
It is independent, also, the associated protocol layers of UE, eNodeB, MME correspond.Simulation protocol stack and emulation LTE user terminal take difference
The mode of building, successively simulates SCTP layers, S1-AP layers, emulates logical between the NAS, rrc layer and each layer protocol of LTE user terminal
Believe interface.Fig. 5 is that the embodiment of the present invention emulates LTE user terminal and simulation protocol stack architecture schematic diagram.
The chain of command agreement of S1-MME interface is broadly divided into transport network layer and application layer, according to the standard agreement mould of 3GPP
Type and data structure, transport network layer are Stream Control Transmission Protocol, and to ensure the reliable transmission of message, and application layer signaling agreement is S1-
AP.S1-MME interface simulation protocol stack mainly emulates S1-AP and SCTP layer protocol, to realize SI-MME interface function
Can, simulation protocol layer is corresponding with S1-AP and SCTP layers of existing net MME respectively.
Main purpose to SCTP layers of emulation is the carrying completed to S1-AP, and technology realizes that reference model is IETF
The standard Stream Control Transmission Protocol model that SIGTRAN is proposed.To be suggested according to 3GPP, the side LTE EPC Stream Control Transmission Protocol stack completes server capability,
Simulation protocol stack/emulation eNodeB will be used as client, initiate coupling and establish request.SCTP layers of emulation are established in IP network
On, by retransmitting and confirming that mechanism guarantees that user data passes between two SCTP endpoint without repetition, the reliable order-preserving of zero defect
It is defeated, it realizes and establishes coupling with the SCTP layer of MME.
S1-AP is the signaling control protocol of S1-MME interface, is mainly used for completing the various signalings of S1-MME and control
Processing.S1-MME interface signaling protocol specifically includes that the UE under SAE bearer service management function, LTE_ACTIVE state is mobile
Property, initial context establish function, NAS signaling transmitting function, S1 interface management function etc..By providing S1-AP layers of emulation
S1 interface external function provides the interface layer of S1 interface control plane and MME.
Step 402: emulation testing being carried out to the Attach of LTE, the context Establishing process of EPS Bearer, test S1 connects
Whether mouth UE context management process is normal.
Specifically, data packet of the emulation LTE user terminal according to service generation unified interface, after test assignment is assigned, number
Message processing is carried out by each layer protocol stack of S1-MME simulation protocol stack according to packet, the signaling flow trend in test process, such as Fig. 6 institute
Show.
It is described that emulation test method such as Fig. 7 institute is carried out to the Attach of LTE, the context Establishing process of EPS Bearer
Show, comprising the following steps:
Step 402a: emulation LTE user generates the data packet of unified interface；
Step 402b: carrying out the initialization of simulation protocol stack, establishes SCTP coupling with MME；
Specifically, the simulation protocol stack starts S1-AP and SCTP, initialized；SCTP coupling is established with MME, and
The availability for keeping connection is connected by heartbeat；
Step 402c: Attach, the EPS Bearer emulation testing process of LTE are initiated.
Step 402d: after test, related resource is discharged, deletes S1-AP ID.
In the embodiment of the present invention, whether the test S1 interface UE context management process normally includes: by right
Attach, EPS Bearer context establish testing process signaling carry out packet capturing, judge UE initial context management process
It is whether normal.
Specifically, for S1 UE context management process judgement mainly by the interaction signaling message to S1-AP into
Row judgement, these message mainly include Attach Accept, Attach Complete in S1-AP/NAS EPC message
In, as shown in Figure 8.
It is available that packet capturing is carried out by the signaling that the context to Attach, EPS Bearer establishes testing process
The response message of Attach, EPS Bearer process, for example, when obtaining " Attach complete, Activate default
When EPS Bearer context accept " information, illustrate that core net default bearing and UE context, which is completed, to be established, and is got through
Upstream data channel, S1 interface UE context management process are normal.
It can by the packet capturing situation to test process Signalling exchange for the task of context management flow testing failure
Failure cause is further judged, error reason is analyzed；Fig. 9 is test report of embodiment of the present invention display figure.
In addition, the embodiment of the present invention can also according to Fig. 9 test report to the success rate of Attach flow testing and
Time delay rate is for statistical analysis, to reflect current system operating status.Wherein, the success rate of Attach flow testing and time delay meter
It is as follows to calculate formula:
Attach success rate=Attach is successfully tested number/Attach testing time × 100%
Attach time delay=Attach Accept message time point (time)-Attach Request message time point (when
Between).
Concrete application scene of the embodiment of the present invention is as shown in Figure 10, constructs one group of emulation by building simulation protocol stack
ENodeB is connected with existing net MME/SGW respectively by way of IP.S1-MME protocol stack on the eNodeB of emulation, which issues, to be surveyed
Trial business, whether normal, in this way, can be to avoid nothing if assessing S1 UE context management process by the analysis to test result
Influence of the line side for test result, it is ensured that the accuracy of test data, more really reaction LTE EPC core net shows net
The status of S1 UE context management process.
The embodiment of the present invention is based primarily upon C voice to the emulation of S1-MME protocol stack and LTE user terminal and develops, part
Example code is as follows, and function is transmission signaling:
int js_eNB_s1ap_generate_NASTransport_message(uint32_t handle,uint32_
tue_id,uint8_t procedurecode,uint8_t msgType,uint32_t eNBID,uint8_t*nas_pdu,
Uint32_t nas_pdu_len, uint8_t*s_tmsi) // transmission signaling；
The embodiment of the invention also provides a kind of S1 interface UE context management monitoring devices, as shown in figure 11, the dress
It sets including emulation module 111, test module 112, wherein
The emulation module 111 constructs the simulation protocol stack and emulation long term evolution LTE user terminal of S1-MME；
The simulation protocol stack that the emulation module 111 constructs S1-MME interface includes: that the emulation module 111 passes through software
Emulation technology in S1-MME interface protocol stack SCTP, S1-AP and each layer communication interface successively emulated, and by embedding
Enter formula technology to be carried and run on hardware.
The building of the emulation module 111 emulation LTE user terminal includes: by software simulation technique to emulation LTE user terminal
NAS, rrc layer and each layer communication interface successively emulated, and carried and run on hardware by embedded technology.
Specifically, the emulation module 111 is to the emulation of S1-MME interface protocol stack according to 3GPP Technical
The S1 interface standard protocol model announced in Specification 23.402 is designed and developed.By software simulation technique to S1-
SCTP, S1-AP in MME protocol stack of the interface and the NAS, rrc layer and each layer communication interface for emulating LTE user terminal carry out by
Layer emulation, and Inhaul operation is carried out on specialized hardware by embedded technology, LTE EPC is accessed by IP mode.
According to 3G network Iu Interface Controller and isolated thought is carried, each layer protocol of S1-MME interface protocol stack is also mutual
It is independent, also, the associated protocol layers of UE, eNodeB, MME correspond.The emulation module 111 is to simulation protocol stack and emulation
LTE user terminal takes the mode constructed respectively, successively simulates SCTP layers, S1-AP layers, emulates NAS, RRC of LTE user terminal
Communication interface between layer and each layer protocol.
The chain of command agreement of S1-MME interface is broadly divided into transport network layer and application layer, according to the standard agreement mould of 3GPP
Type and data structure, transport network layer are Stream Control Transmission Protocol, and to ensure the reliable transmission of message, and application layer signaling agreement is S1-
AP.S1-MME interface simulation protocol stack mainly emulates S1-AP and SCTP layer protocol, to realize SI-MME interface function
Can, the protocol layer that the emulation module 111 emulates is corresponding with S1-AP and SCTP layers of existing net MME respectively.
The emulation module 111 is the carrying completed to S1-AP to the main purpose of SCTP layers of emulation, and technology realizes ginseng
Examining model is the standard Stream Control Transmission Protocol model that IETF SIGTRAN is proposed.Suggested according to 3GPP, the side LTE EPC Stream Control Transmission Protocol stack is complete
At server capability, simulation protocol stack/emulation eNodeB will be used as client, initiate coupling and establish request.SCTP layer is imitated
It is true to establish on IP network, by retransmitting and confirming that mechanism guarantees user data between two SCTP endpoint without repetition, indifference
Wrong reliable order-preserving transmission, realizes and is coupled with the foundation of the SCTP layer of MME.
The S1-AP that the emulation module 111 emulates is the signaling control protocol of S1-MME interface, is mainly used for completing S1-
The various signalings of MME and the processing of control.S1-MME interface signaling protocol specifically includes that SAE bearer service management function, LTE_
UE mobility under ACTIVE state, initial context establish function, NAS signaling transmitting function, S1 interface management function etc..It is logical
It crosses and provides S1 interface external function to S1-AP layers of emulation, that is, the interface layer of S1 interface control plane and MME is provided.
The test module 112 for the simulation protocol stack by the S1-MME and emulates LTE user terminal to LTE's
The context Establishing process progress emulation testing of Attach, EPS Bearer, whether test S1 interface UE context management process
Normally.
Specifically, data packet of the control of the test module 112 emulation LTE user terminal according to service generation unified interface,
After test assignment is assigned, data packet carries out Message processing by each layer protocol stack of S1-MME simulation protocol stack.
Test module 112 described in the embodiment of the present invention is to the Attach of LTE, the context Establishing process of EPS Bearer
Carrying out emulation testing includes:
The control of the test module 112 emulation LTE user generates the data packet of unified interface；It is initial to carry out simulation protocol stack
Change, establishes SCTP coupling with MME；Initiate Attach, the EPS Bearer emulation testing process of LTE.
Whether test module subscriber line test S1 interface UE context management process normally includes: institute described in the embodiment of the present invention
It states test module 112 and packet capturing is carried out by the signaling that the context to Attach, EPS Bearer establishes testing process, judge UE
Whether initial context management process is normal.
Specifically, the test module 112 is mainly by S1-AP for the judgement of S1 UE context management process
Interaction signaling message judged, these message be mainly include Attach in S1-AP/NAS EPC message
In Accept, Attach Complete.
The test module 112 is carried out by the signaling that the context to Attach, EPS Bearer establishes testing process
The response message of the available Attach of packet capturing, EPS Bearer process, for example, ought obtain " Attach complete,
When Activate default EPS Bearer context accept " information, illustrate to be completed core net default bearing and
UE context is established, and has got through upstream data channel, S1 interface UE context management process is normal.For context management process
The task of test crash, the test module 112 by the packet capturing situation to test process Signalling exchange, can to failure cause into
Row further judgement, analyzes error reason.
In the embodiment of the present invention, the S1 interface UE context management monitoring device further includes statistical module 113, is used for root
It is for statistical analysis according to success rate and time delay rate of the test report to Attach flow testing, to reflect that current system runs shape
State.Wherein, the success rate of the calculating of the statistical module 113 Attach flow testing and the calculation formula of time delay are as follows:
Attach success rate=Attach is successfully tested number/Attach testing time × 100%
Attach time delay=Attach Accept message time point (time)-Attach Request message time point (when
Between).
It, can based on the realization function of managing module everywhere in S1 interface UE context management monitoring device shown in Figure 11
Referring to aforementioned S1 interface UE context management monitoring method associated description and understand.It will be appreciated by those skilled in the art that figure
The function of each processing module can be by running on the journey on processor in S1 interface UE context management monitoring device shown in 11
Sequence and realize, can also be realized by specific logic circuit, such as: can by central processing unit (CPU), microprocessor (MPU),
Digital signal processor (DSP) or field programmable gate array (FPGA) are realized；The memory module can also be by various storages
Device or storage medium are realized.
In several embodiments provided by the present invention, it should be understood that disclosed method and apparatus can pass through it
His mode is realized.The apparatus embodiments described above are merely exemplary, for example, the division of the module, only
A kind of logical function partition, there may be another division manner in actual implementation, such as: multiple module or components can combine, or
It is desirably integrated into another system, or some features can be ignored or not executed.In addition, shown or discussed each composition portion
Mutual communication connection is divided to can be through some interfaces, the indirect coupling or communication connection of equipment or module can be
It is electrical property, mechanical or other forms.
Above-mentioned module as illustrated by the separation member, which can be or may not be, to be physically separated, aobvious as module
The component shown can be or may not be physical module, it can and it is in one place, it may be distributed over multiple network moulds
On block；Some or all of modules can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
In addition, each functional module in various embodiments of the present invention can be fully integrated into a processing module, it can also
To be each module individually as a module, can also be integrated in two or more modules in a module；It is above-mentioned
Integrated module both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can store in computer-readable storage medium, which exists
When execution, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: movable storage device, read-only deposits
The various media that can store program code such as reservoir (ROM, Read-Only Memory), magnetic or disk.
If alternatively, the above-mentioned integrated module of the embodiment of the present invention is realized in the form of software function module and as independence
Product when selling or using, also can store in a computer readable storage medium.Based on this understanding, this hair
Substantially the part that contributes to existing technology can body in the form of software products in other words for the technical solution of bright embodiment
Reveal and, which is stored in a storage medium, including some instructions are with so that a computer is set
Standby (can be personal computer, server or network equipment etc.) executes the whole of each embodiment the method for the present invention
Or part.And storage medium above-mentioned includes: that movable storage device, ROM, magnetic or disk etc. are various can store program generation
The medium of code.
The present invention is the S1 interface UE context management monitoring method recorded in example and device is only with above-described embodiment
Example, but it is not limited only to this, as long as being related to the method and apparatus of UE context management monitoring analysis in protection model of the invention
It encloses.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (8)
1. a kind of S1 Interface User equipment UE context management monitoring method, which is characterized in that the described method includes:
Construct the simulation protocol stack and emulation long term evolution LTE user terminal of S1 control plane interface S1-MME；The S1-MME's
Simulation protocol stack and the emulation LTE user terminal control the mobile management entity in plane interface S1-MME and network by S1
MME is connected；
Attachment Attach, the evolved packet system of LTE are held by the simulation protocol stack and emulation LTE user terminal of the S1-MME
The context Establishing process for carrying EPS Bearer carries out emulation testing, and whether test S1 interface UE context management process is normal；
Wherein, the Attach to LTE, EPS Bearer context Establishing process carry out emulation testing and include:
Emulate the data packet that LTE user generates unified interface；
The initialization of simulation protocol stack is carried out, establishes Flow Control Transmission Protocol SCTP coupling with mobile management entity MME；
Initiate Attach, the EPS Bearer emulation testing process of LTE.
2. method according to claim 1, which is characterized in that the simulation protocol stack of the building S1-MME interface includes: logical
Cross software simulation technique in S1-MME interface protocol stack Flow Control Transmission Protocol SCTP, S1-AP and each layer communication interface into
Row successively emulation, and carried and run on hardware by embedded technology.
3. method according to claim 2, which is characterized in that the building emulation LTE user terminal includes: to pass through software emulation
Technology carries out the Non-Access Stratum NAS, radio resource control rrc layer and each layer communication interface of emulation LTE user terminal layer-by-layer
Emulation, and carried and run on hardware by embedded technology.
4. according to claim 1,2 or 3 the method, which is characterized in that the test S1 interface UE context management process is
No normally includes: to carry out packet capturing by the signaling that the context to Attach, EPS Bearer establishes testing process, at the beginning of judging UE
Whether beginning context management process is normal.
5. a kind of S1 interface UE context management monitoring device, which is characterized in that described device includes emulation module, test mould
Block, wherein
The emulation module constructs the simulation protocol stack and emulation long term evolution LTE user terminal of S1-MME；The S1-MME's is imitative
True protocol stack and the emulation LTE user terminal control the mobile management entity MME in plane interface S1-MME and network by S1
It is connected；
The test module, for by the simulation protocol stack of the S1-MME and emulation LTE user terminal to the Attach of LTE,
The context Establishing process of EPS Bearer carries out emulation testing, and whether test S1 interface UE context management process is normal；
Wherein, the test module carries out emulation testing packet to the Attach of LTE, the context Establishing process of EPS Bearer
It includes:
The test module control emulation LTE user generates the data packet of unified interface；
The initialization of simulation protocol stack is carried out, establishes Flow Control Transmission Protocol SCTP coupling with mobile management entity MME；
Initiate Attach, the EPS Bearer emulation testing process of LTE.
6. device according to claim 5, which is characterized in that the simulation protocol stack of the emulation module building S1-MME interface
Include: the emulation module by software simulation technique in S1-MME interface protocol stack SCTP, S1-AP and each layer communicate
Interface is successively emulated, and is carried and run on hardware by embedded technology.
7. device according to claim 6, which is characterized in that the emulation module building emulation LTE user terminal includes: to pass through
Software simulation technique successively emulates NAS, rrc layer and each layer communication interface of emulation LTE user terminal, and by embedded
Technology is carried and is run on hardware.
8. according to claim 5,6 or 7 described devices, which is characterized in that the test module tests S1 interface UE context pipe
Whether reason process normally includes: that the test module by the context to Attach, EPS Bearer establishes testing process
Signaling carries out packet capturing, judges whether UE initial context management process is normal.
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