CN101389107B - Large traffic simulation test system and method - Google Patents
Large traffic simulation test system and method Download PDFInfo
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Abstract
The invention discloses a vase telephone call simulating test system, comprising a control unit, an MSS service simulating unit for customer mobile terminal, wherein the control unit is used for controlling and communicating with the MSS service simulating unit, and controlling message transmission to the MSS service simulating unit; moreover, the control unit further receives test result from the MSS service simulating unit, and outputs the test result; the MSS service simulating unit is used for receiving the control message, simulating communication between the real MSS and the tested base station BS, and receiving feedback test data. The MSS service simulating unit carries out statistic and analysis to the test data and obtains test result, and sends to the control unit. The invention further discloses a vase telephone call simulating test method. The inventive scheme substitutes expensive test devices, saves test cost, realizes satisfying call requirement in performance test of vase telephone call test by simple method, improves efficiency of test.
Description
Technical field
The present invention relates to WiMAX (Worldwide Interoperability forMicrowave Access, the global interoperability inserting of microwave) system of field of mobile communication, relate in particular to a kind of big traffic simulation test macro and method.
Background technology
The World Interoperability for Microwave Access, WiMax technology is a broadband wireless access metropolitan area network technology based on IEEE 802.16d/e standard, also can be called IEEE Wireless MAN.This technology is a kind of new air-interface standard to microwave and millimeter wave frequency band proposition, and its main target provides a kind of under some multivendor environment to multiple spot of metropolitan area network, effectively the broadband wireless access means of interoperability.Compare with other present wireless access technologys, WiMAX data peak transfer rate is higher, and maximum transmission distance is farther higher with heap(ed) capacity; Possess the non line of sight transmittability, can make things convenient for the more users access base station, significantly reduce infrastructure investment; Different Q os can be provided the properties data and the Video service of (Quality of Service, service quality).
The network configuration of WiMAX system is as shown in Figure 1; At least comprise customer mobile terminal (MSS; Mobile Service Subcrible), base station (BS, Base Station), IAD (AGW, Access Gateway), core net (CSN; Core Service Network) and application service provider (ASP, Application Service Provider) network form.Wherein, The BS of above-mentioned processing IEEE802.16d/e protocol air interface message and realization ASN (Access Service Network; Access network) AGW to the CSN interface function is the some of ASN; ASN can be connected to a plurality of CSN, for heterogeneous networks service provider's (NSP, Network Service Provider) CSN provides the wireless access service; CSN is by router, AAA (Authentication, Authorization, Accounting; Authentication, mandate, charging) agency or server, DHCP (Dynamic HostConfiguration Protocol; Dynamic host allocation protocol) server, customer data base, internet gateway device are formed; Connect for WiMAX user provides IP, and be connected on the ASP through Ethernet; ASP comprises various application server (AS; Application Server); For WiMAX user obtains the upper layer application service that provides; Like FTP (File Transfer Protocol, FTP) service, HTTP (Hyper Text Transfer Protocol, Hypertext Transmission Protocol) service and Email (Email) service etc.With regard to network interface, the interoperability interface between MSS and the ASN is R1, and the logic interfacing between ASN and the CSN is R3, and the interoperability interface between inner BS of ASN and the AGW is R6.
Under true environment,, be to use a large amount of MSS to eat dishes without rice or wine to BS initiation packet data call through R1 to the method that the WiMAX system carries out performance test; After BS distributes to the corresponding radio bearer resources of MSS; AGW set up and BS between data tunnel, accomplish network insertion and the professional establishment of connection of up-downgoing of MSS, the transfer of data of beginning MSS at last; As shown in Figure 2, its flow process comprises the steps:
In step 201, MSS initiates network insertion, eats dishes without rice or wine to send Ranging request (RNG-REQ) message to BS through R1, and this message comprises MAC (MediumAccess Control, the medium access control) address of down channel ID, MSS and the MAC version of MSS;
In step 202; The BS accessing database; MAC Address according to MSS; Divide to be used in to the basic connection identifier (Basic CID) of the administrative messag of delay sensitive with to the main management connection identifier (Primary CID) of the insensitive administrative messag of time delay, eat dishes without rice or wine to send Ranging response (RNG-RSP) message through R1 and give MSS, this message comprises the MAC Address of Ranging state, Basic CID, Primary CID and MSS;
In step 203; If last step Ranging state is successfully; MSS eats dishes without rice or wine to send basic capability negotiating request (SBC-REQ) message through R1 and gives BS, and this message comprises the allocated bandwidth mode of Basic CID, MSS support and the physical parameter that MSS supports, carries out basic capability negotiating with BS;
In step 204, BS eats dishes without rice or wine to feed back basic capability negotiating response (SBC-RSP) message through R1 and gives MSS, is comprising Basic CID in this message, is being set to BS of " TRUE " mark and allocated bandwidth mode and the physical parameter that MSS supports;
In step 205, MSS eats dishes without rice or wine to send register request (REG-REQ) message to BS through R1, and request registers in the network, and this message comprises the Primary CID of MSS;
In step 206, BS eats dishes without rice or wine to feed back register response (REG-RSP) message through R1, and whether successful this message comprise register request confirmation codes.If confirmation codes is successfully, show that then MSS has accomplished the initial network access;
In step 207; BS eats dishes without rice or wine to send up (MSS is to the BS direction) Business Stream to MSS through R1 and sets up request (DSA-REQ) message; Request is set up uplink service with MSS and is connected, and this message comprises Primary CID, affairs (Transaction) ID, service flow ID (SFID) and other traffic flow parameters of MSS;
In step 208, MSS eats dishes without rice or wine to send uplink service stream to BS through R1 and sets up response (DSA-RSP) message, and this message comprises Transaction ID, confirmation codes, SFID and other traffic flow parameters, acknowledges receipt of the up DSA-REQ message that BS sends;
In step 209, BS eats dishes without rice or wine to send uplink service stream to MSS through R1 and sets up affirmation (DSA-ACK) message, and this message comprises Primary CID, Transaction ID and the confirmation codes of MSS, acknowledges receipt of the up DSA-RSP message that MSS sends; If the confirmation codes result is successfully, show that MSS and BS have set up uplink service and be connected;
In step 210; The response if the register request in last step is succeedd; BS eats dishes without rice or wine to send descending (BS is to the MSS direction) Business Stream to MSS through R1 and sets up request (DSA-REQ) message; Request is set up downlink business with MSS and is connected, and this message comprises Primary CID, affairs (Transaction) ID, service flow ID (SFID) and other traffic flow parameters of MSS;
In step 211, MSS eats dishes without rice or wine to send downstream service flow to BS through R1 and sets up response (DSA-RSP) message, and this message comprises Transaction ID, confirmation codes, SFID and other traffic flow parameters, acknowledges receipt of the descending DSA-REQ message that BS sends;
In step 212, BS eats dishes without rice or wine to send downstream service flow to MSS through R1 and sets up affirmation (DSA-ACK) message, and this message comprises Primary CID, Transaction ID and the confirmation codes of MSS, acknowledges receipt of the descending DSA-RSP message that MSS sends; If the confirmation codes result is successfully, show that MSS and BS have set up downlink business and be connected;
In step 213, MSS sends the Ping request package to the application server of ASP side, and obtains the Ping respond packet from the application server of ASP side.Whether normal described Ping technology be meant a kind of technology of verifying passage and performance of network equipments.In this technology, MSS sends the ICMP request message to the application server of ASP side, after the application server of ASP side is received this ICMP request message, constructs an ICMP response message, and response message is sent it back MSS;
In step 214, MSS eats dishes without rice or wine to send to BS through R1 and goes register request (DREG-REQ) message, this message to comprise Basic CID and remove the register request sign indicating number, and request goes to register from network and being connected of release and BS.Simultaneously, MSS stops application server with the ASP side to carry out Ping mutual;
In step 215, BS eats dishes without rice or wine to go registration command (DREG-CMD) message, this message to comprise Basic CID and go log-on operation sign indicating number, BS to be released to MSS to be connected in ASN side assigned radio resource and with the up-downgoing of BS foundation is professional to the MSS transmission through R1.
Along with the continuous expansion of userbase, operator has also proposed increasingly high requirement to the big traffic handing capacity in the corresponding product test.In the large speech affairs test process,, need MSS thousands of even up to ten thousand to cooperate in theory in order to verify the handling property of WiMAX system equipment on signaling flow and Media Stream.But because the restriction of actual place environment and device resource, the mode that can only take to simulate MSS initiation network insertion flow process is carried out.Therefore; The equipment supplier is in research and development equipment; MSS actual services on signaling plane and medium face in the network insertion process is simulated by a kind of large speech affairs test of needs system, to obtain the performance index of the WiMAX system under the configuration of different system hardware and software.
Basically there is not at present to be used for the large speech affairs test system of WiMAX system equipment test.Though some special test equipments have the function of traffic simulator, following deficiency is arranged:
1) price is very expensive, and price up to more than hundreds thousand of dollars, rises the R&D costs of equipment manufacturers easily significantly;
2) though can simulate basic traffic functional test, this quasi-instrument is at most only supported the concurrent test of limited way, has satisfied not the needed traffic burst requirement of large speech affairs test;
3) interface of tester is open, and when the business interface change of system equipment or protocol contents change, the instrument software upgrading is trouble very, and applicability is relatively poor.
Summary of the invention
The present invention provides a kind of big traffic simulation test macro and method, to solve expensive, the inefficient problem of present Bulk Call test.
In order to solve the problems of the technologies described above, the present invention at first provides a kind of big traffic simulation test macro, comprises control unit and customer mobile terminal MSS service analogue unit, wherein:
Said control unit is used for MSS service analogue unit is controlled, and and MSS service analogue unit between carry out communication, send control messages to said MSS service analogue unit and test control; In addition, control unit also from MSS service analogue unit acceptance test result, is exported test result;
Said MSS service analogue unit; Be used to receive said control messages, simulate true MSS and tested base station BS carries out communication, and receive the test data of returning; MSS service analogue unit carries out test data to obtain test result behind the statistics and analysis, sends to control unit.
System according to the invention, wherein, described control unit is used to load the required configuration information file of test, and configuration information is sent to the employed parameter of MSS service analogue configuration of cells testing process.
System according to the invention, wherein, said MSS service analogue unit and control unit are one to one or many-to-one relation.
System according to the invention, wherein, said system also comprises BS base band agent unit, it is positioned on the BS, is used for MSS service analogue unit and BS and carries out communication.
Further, be connected through Fast Ethernet FE or gigabit Ethernet GE between said BS base band agent unit and the MSS service analogue unit, adopt Internet protocol IP/user datagram protocol UDP to carry out communication.
System according to the invention, wherein, described control unit and MSS service analogue unit adopt transmission control protocol TCP/ Internet protocol IP to carry out communication.
System according to the invention, wherein, said control unit comprises with lower module: background communication module, Subscriber Interface Module SIM, file access module, configuration parameter module, message processing module and output statistical module, wherein:
Said background communication module is used for control unit and MSS service analogue unit carries out interacting message;
Said Subscriber Interface Module SIM; It is the interactive interface that control unit offers the user; Be used for external interface, test result is exported with the form of figure or form as an access file access module, configuration parameter module, message processing module and output statistical module;
Said file access module is used for the configuration information of configuration information file is read, and supplies the configuration parameter module to call, and perhaps configuration information is kept in the configuration information file, as the default configuration parameter that next time, this module read;
Said configuration parameter module is used for confirming that those parameters of configuration information are effectively, and the numerical value of these actual parameters; The parameter of revising through this module, the current configuration parameter that will use as testing process;
Said message processing module, be used for when the user when carrying out interface operation, read configuration information structure configuration information message or direct structure test control messages, send to MSS service analogue unit through the background communication module; Perhaps receive the test result message that MSS service analogue unit sends, export to the output statistical module after parsing test result through the background communication module;
Said output statistical module, be used for according to the test result calculations that obtains from message processing module the end value of the project that will add up, and export to Subscriber Interface Module SIM.
System according to the invention; Wherein, said MSS service analogue unit comprises following module: foreground communication module, Configuration Manager, statistical analysis module, specialized protocol stack processing module, signaling processing module, signaling emulation module, data processing module and data source module
Said foreground communication module is used for accomplishing the transmission of messages between MSS service analogue unit and the control unit with the background communication module of control unit;
Said Configuration Manager is used to receive the configuration information message and test control messages from the control unit transmission that the foreground communication module is transmitted; If configuration information message is then preserved the configuration parameter in the configuration management operational module, supply instance Handle process to call; If the test control messages is given the Handle process with the transmitted test control messages, make the Handle process initiate or stop the testing process under it;
Said statistical analysis module is used to add up the total degree of each R1 idle message of signaling emulation module transmitting-receiving, and the Ping bag total degree and total size of the transmitting-receiving of data source module, according to above-mentioned statistics, in order to calculate test result;
Said specialized protocol stack processing module, the downlink burst Burst that the BS that BS is used for that to the MSS direction base band agent unit is transmitted sends resolves to one or more protocol Data Unit PDU; MSS is used for one or more PDU are packaged into the form of Burst to the BS direction, is forwarded to BS through BS base band agent unit;
Said signaling processing module, BS is used for the PDU that specialized protocol stack processing module has parsed is done further parsing to the MSS direction, constructs corresponding R1 idle message, redispatches to the signaling emulation module; MSS is used for the R1 idle message is packaged into PDU to the BS direction, and then is transmitted to specialized protocol stack processing module;
Said signaling emulation module, BS is used to receive the R1 idle message that sends from signaling processing module to the MSS direction, if this message is request message, also will feed back corresponding response message to signaling processing module according to the testing process of setting; MSS is used to construct the R1 idle message to the BS direction and sends to signaling processing module; In addition, the signaling emulation module also receives the test control messages that Configuration Manager is transmitted, and initiates or stop the testing process of MSS; After MSS accomplished the professional establishment of connection of up-downgoing, the signaling emulation module sent message informing data source module and initiates data test;
Said data processing module, BS is used for the PDU that specialized protocol stack processing module has parsed is done further parsing to the MSS direction, is configured to Medium Access Control (MAC) Service Data Unit SDU, redispatches to the data source module; MSS is used for the MAC SDU that receives from data source is packaged into PDU to the BS direction, and then is transmitted to specialized protocol stack processing module;
Said data source module, BS is used for receiving the MAC SDU that has encapsulated the ICMP response data from data processing module to the MSS direction; MSS is used for sending the MAC SDU that has encapsulated the ICMP request msg to data processing module to the BS direction.
The present invention also provides a kind of big traffic simulation method of testing, comprises the steps:
(1) control unit sends the test initiation command through its backstage communication module to one or more MSS service analogues unit;
(2) said MSS service analogue unit receives said test initiation command; Simulate true MSS and tested base station BS carries out communication; And receiving the test data of returning, MSS service analogue unit sends to said control unit and exports after test data is carried out statistics and analysis.
The method of the invention, wherein, in the step (1), control unit also sends configuration information through its backstage communication module to one or more MSS service analogues unit.
Further, step (2) comprises the steps:
(2.1) after said MSS service analogue unit receives said test initiation command and configuration information; The MSS that simulates in the said MSS service analogue unit initiates network insertion through the BS base band agent unit on the BS to BS by specialized protocol stack processing module according to the parameter in the configuration information;
(2.2) it is mutual that the MSS of said BS and said simulation carries out the R1 idle message, and distribute to said MSS in the corresponding radio bearer resources of access network ASN side, sets up corresponding business with MSS and be connected;
(2.3) said MSS is a destination address with the application server AS of application service provider ASP side, sends test request message (TRM) through BS, AGW, core net CSN to it;
(2.4) AS of said ASP side is to test back feedback test data; After the statistical analysis module of MSS service analogue unit carried out statistics and analysis with said test data, the Subscriber Interface Module SIM that sends to said control unit through Configuration Manager, foreground communication module, background communication module, message processing module, statistics output module was successively exported.
Further, be connected through Fast Ethernet FE or gigabit Ethernet GE between said BS base band agent unit and the MSS service analogue unit, adopt Internet protocol IP/user datagram protocol UDP to carry out communication.
Further, the foreground communication module of the background communication module of said control unit and MSS service analogue unit adopts transmission control protocol TCP/ Internet protocol IP to carry out communication.
Compared with prior art, scheme according to the invention has following advantage:
1) substitutes expensive testing equipment, practiced thrift testing cost;
2) test environment does not need real terminal; A MAC plate can be simulated a BS and gone up the signaling plane of totally 1024 MSS and medium face business at most; Realized satisfying the many-to-one configuration of simulated object MSS and measurand (BS and AGW), satisfied the traffic requirement of performance test in the large speech affairs test with straightforward procedure;
3) the present invention has realized the automatic test in the large speech affairs test process, has saved the substantive test time, has improved testing efficiency.In the large speech affairs test process, the MSS of selected some starts identical or different flow process simultaneously or sequentially.If the flow performing of a MSS finishes, behind the certain hour interval, initiate new identical flow process again, defined flow process cycle-index in reaching configuration parameter.Each MSS can move operation flow separately independently, and does not receive the influence of other MSS.
Description of drawings
Fig. 1 is the schematic network structure of WiMAX system.
Fig. 2 is network insertion and the professional connection building process sketch map of up-downgoing of MSS.
Fig. 3 is the structural representation of the big traffic simulation test macro of the single MSS service analogue of embodiment of the invention unit.
Fig. 4 is the structural representation of the distributed big traffic simulation test macro of a plurality of MSS service analogue of embodiment of the invention unit.
Fig. 5 is the parameter configuration flow chart of the big traffic simulation test macro of the embodiment of the invention.
Fig. 6 is the information test flow chart of the big traffic simulation test macro of the embodiment of the invention.
Fig. 7 is the message abnormality processing flow chart of the big traffic simulation test macro of the embodiment of the invention.
Fig. 8 is the data test flow chart of the big traffic simulation test macro of the embodiment of the invention.
Fig. 9 is the test result statistics flow chart of the big traffic simulation test macro of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment technical scheme according to the invention is described in detail.
As shown in Figure 3; For the single MSS service analogue of embodiment of the invention unit the cellular construction sketch map of big traffic simulation test macro; Comprise control unit, MSS service analogue unit, BS base band agent unit three parts, WiMAX system equipments such as BS, AGW, CSN, ASP are measurand.
The objective of the invention is to adopt the R1 idle message of MSS service analogue unit simulation structure MSS and the method for data, realize performance test the WiMAX system.Promptly at first eating dishes without rice or wine to set up professional the connection with BS through MSS service analogue unit, the needed packet of generation test sends to AS then.MSS service analogue unit returns to control unit with result, and by control unit result is exported.
Described control unit is used to load the required configuration information file of test; Configuration information is sent to the employed parameter of MSS service analogue configuration of cells testing process, and the control that transmits control message MSS service analogue unit is started or stops testing.In addition, control unit is exported to the user with the form of figure or form after also handling from MSS service analogue unit acceptance test results messages.
Described control unit can be arranged on the PC, adopts TCP/IP (transmission control protocol/Internet protocol) agreement to carry out communication with MSS service analogue unit.
Described BS base band agent unit resides on the BS, as the interface between MSS service analogue unit and the BS, realizes burst (Burst) transmitting-receiving and processing between BS and MSS service analogue unit.Described Burst is meant a kind of PHY SDU (physical data unit) that BS can handle, and the inside has encapsulated administrative messag or business datum content.
Be connected through Fast Ethernet or Gigabit Ethernet between described BS base band agent unit and the MSS service analogue unit, adopt IP/UDP (Internet protocol/User Datagram Protocol) to carry out communication.
Described BS base band agent unit and MSS service analogue unit are one-to-many or man-to-man relation, and promptly one or more MSS service analogues unit receives base band data to common BS base band agent unit transmission or from it.
Described control unit and MSS service analogue unit are one-to-many or man-to-man relation, and promptly one or more MSS service analogues unit receives data to common control unit transmission or from it.
Described MSS service analogue unit can reside on the MAC plate.Here, the MAC plate uses the identical hardware single board used with the baseband processing unit of BS, is the veneer that existing signaling plane disposal ability has medium face disposal ability again, has so just successfully used for reference existing software and hardware resources and has carried out secondary development on this basis.A MAC veneer is represented a MSS service analogue unit, and the hardware that is used as MSS carries object, and its board software is an embedded OS.
Described MSS service analogue unit can support distributed a plurality of MSS service analogues unit to move simultaneously.If each MSS service analogue unit is connected on the same control unit, a control unit can be managed 64 load simulation unit at most simultaneously and initiate test, thereby has saved manpower and test resource greatly.
Described MSS service analogue unit has used multiple progress structure.Each MSS service analogue unit all comprises master control (Main) process of a static state and by instance (Handle) process of the some of Main process dynamic creation.But each Handle process has identical process type different process instance number, promptly has different separately process identification (PID) (PID).Therefore, each Handle process of MSS service analogue unit just can identify different MSS, and promptly Handle process and MSS are one-to-one relationship.
Described MSS service analogue unit can be created 1024 Handle processes at most simultaneously; Promptly a MSS service analogue unit can be simulated 1024 MSS at most; A control unit can make 64 * 1024 simulation MSS initiate network insertion, realizes the large speech affairs test of measurand ASN and CSN.
The message of expection is not perhaps received within a certain period of time for the message that does not meet expected results that BS sends in described MSS service analogue unit, and the abnormality processing that can give information flow process is handled these message, so that testing process is unlikely to interrupt.This message abnormality processing flow process is meant, if MSS received REG-RSP message, initiates network insertion again to BS, removes registering flow path otherwise initiate network to BS earlier, after going registering flow path to accomplish, initiates network insertion again to BS again.
Described control unit comprises with lower module: background communication module, Subscriber Interface Module SIM, file access module, configuration parameter module, message processing module and output statistical module, wherein:
Said background communication module; Be used for after control unit is activated; A socket of initialization (Socket) at first, this Socket comprise the IP address of control unit place PC and the port of a TCP service, send the TCP connection request to MSS service analogue unit then.If successful connection, control unit just can be carried out interacting message with MSS service analogue unit;
Said Subscriber Interface Module SIM is the interactive interface that control unit offers the user, as the external interface of an access file access module, configuration parameter module, message processing module and output statistical module.Pass through user interface; The user can choose corresponding configuration information file; Call " reading file " interface function of file access module; Read the configuration information that the file the inside comprises, also can call " written document " interface function of file access module, configuration information is written in the configuration information file; Interface function in perhaps can the call configuration option module is made amendment to configuration information, and amended configuration information is outputed to user interface shows; Interface function that perhaps can the message call processing module, structure configuration information message or test control messages (like the startup of testing process and stop) sending to MSS service analogue unit through the background communication module; Perhaps can call the interface function of output statistical module, the test result that export is filtered, show with the form of figure or form;
Said file access module; Be used for the configuration information of configuration information file is read in the global structure variable of a control unit; Supply the configuration parameter module to call; The configuration information that perhaps will be kept in the global structure variable of control unit is kept in the configuration information file, as the default configuration parameter that next time, this module read;
Said configuration parameter module is used for confirming that those parameters of configuration information are effectively, and the numerical value of these actual parameters; The parameter of revising through this module, in the global structure variable that is stored in above-mentioned control unit, the current configuration parameter that will use as testing process; Described configuration parameter comprises system parameters, population parameter, message parameter and data parameters.Wherein, system parameters comprises the physical configuration information of BS and the related information of MSS and BS etc.; Population parameter comprises the number of MSS and the MAC Address base value of MSS; Message parameter comprises RNG-REQ message maximum number of retransmissions, RNG-RSP Messages-Waiting time delay, SBC-REQ message maximum number of retransmissions, SBC-RSP Messages-Waiting time delay, REG-RSP Messages-Waiting time delay, DSA-REQ Messages-Waiting time delay, DSA-ACK Messages-Waiting time delay, professional keep-alive duration, flow process intercycle and the flow process cycle-index of connecting; Data parameters comprises that maximum Ping request package transmission number of times, Ping packet voice size and Ping packet voice send at interval;
Said message processing module; Be used for when the user when carrying out interface operation; As select configuration parameter, call out beginning and calling and stop etc.; Read configuration information structure configuration information message or directly construct the test control messages from the global structure variable of above-mentioned control unit, send to MSS service analogue unit through the background communication module; Perhaps receive the test result message that MSS service analogue unit sends, export to the output statistical module after parsing test result through the background communication module; Described test result comprises information test result and data test result.Wherein, the information test result comprises that RNG-REQ message sends total degree, successful RNG-RSP message sink total degree, SBC-REQ message and send total degree, SBC-RSP message sink total degree, REG-REQ message and send total degree, successful REG-RSP message sink total degree, DSA-REQ message and meet and send off total degree and successful DSA-ACK message sink total degree; The data test result comprises that the Ping request package is sent total degree, the Ping request package is sent total size, Ping respond packet reception total degree and Ping respond packet and received total size;
Said output statistical module, be used for according to the test result calculations that obtains from message processing module the end value of the project that will add up, and export to the user with the form of figure or form.The statistical item that the user can only select the user to be concerned about through Subscriber Interface Module SIM, this moment, this module only showed the numerical value of selecteed statistical item.Statistical item comprises message statistical items and data statistics item.Wherein, The message statistical item comprise Ranging success rate (being meant that the Ranging state that MSS receives is the number of times of successful RNG-RSP message and the ratio of the number of times of the RNG-REQ message of transmission), basic capability negotiating success rate (being meant the number of times of the SBC-RSP message that MSS receives and the ratio of the number of times of the SBC-REQ message of transmission), register request success rate (being meant that the enrollment results that MSS receives is the number of times of successful REG-RSP message and the ratio of the number of times of the REG-REQ message of transmission), Business Stream be created as power (being meant that the confirmation codes that MSS receives is the number of times of successful DSA-ACK message and the ratio of the DSA-REQ message number of times of receiving) be connected with business be created as power (be meant confirmation codes that MSS receives be successful DSA-ACK message number of times 1/2nd with the ratio of the number of times of the RNG-REQ message of transmission); The data statistics project comprises that (with MBit/s is unit for packet loss (being meant that MSS receives the number of times of Ping respond packet and the ratio of the number of times of MSS transmission Ping request package) and throughput; Comprise uplink throughput and downlink throughput capacity: wherein; Described uplink throughput is meant the big or small sum of the Ping request package that MSS sends and the ratio of Ping Test duration; Described downlink throughput capacity is meant the big or small sum of the Ping respond packet that MSS receives and the ratio of Ping Test duration).
Said MSS service analogue unit; Be used for idle message flow process and the data service of the true MSS of emulation, comprise: foreground communication module, Configuration Manager, statistical analysis module, specialized protocol stack processing module, signaling processing module, signaling emulation module, data processing module and data source module with lower module.Except that the communication module of foreground; Other module is according to the process type under the module; Can be divided into Main process module and Handle process module: described Main process module, be meant the module that comprises a common static Main process, comprise Configuration Manager and statistical analysis module; Described Handle process module; Be meant the module that comprises one or more Handle processes; And the number of Handle process is by the dynamic creation of Main process; Comprise specialized protocol stack processing module, signaling processing module, signaling emulation module, data processing module and data source module, a Handle process is represented a MSS.
Said foreground communication module; The tcp port that is used for initialization MSS; Monitoring comes from the background communication module Socket connection request of control unit; Set up with the TCP of control unit and be connected, accomplish the transmission of messages between MSS service analogue unit and the control unit with the background communication module of control unit;
Said Configuration Manager is used to receive the configuration information message and test control messages from the control unit transmission that the foreground communication module is transmitted; If configuration information message then is kept at the configuration parameter in the configuration management operational module in the global structure variable of oneself, supply Handle process module to call; If the test control messages is given Handle process module with the transmitted test control messages, make Handle process module initiate or stop the testing process under it;
Said statistical analysis module is used to add up the total degree of each R1 idle message of signaling emulation module transmitting-receiving and the Ping bag total degree and total size of the transmitting-receiving of data source module.The signaling emulation module is every to receive a R1 idle message to the message processing module transmission or from message processing module; Like RNG-REG message, RNG-RSP message, REG-REQ message, REG-RSP message, DSA-REQ message and DSA-ACK message etc., the number that the interface function that will call statistical analysis module sends corresponding message or receive add up to add 1 to be operated.Equally; The data source module is every sends or wraps from Ping of data processing module reception to data processing module; The interface function that also can call statistical analysis module writes down the number of times that will send the Ping request package or receive the Ping request package and adds up to add 1 operation, the size of sending Ping request package or reception Ping request package is carried out increment add up operation.According to above-mentioned statistics, be created as power, the professional connection be created as test indexs such as power, packet loss and throughput in order to calculating Ranging success rate, basic capability negotiating success rate, register request success rate, Business Stream;
The descending Burst that the BS that said specialized protocol stack processing module, descending (BS is to the MSS direction) are used for that the base band agent unit is transmitted sends resolves to one or more protocol Data Units (PDU, Protocol Data Unit).Described PDU comprises MAC head, PDU load (Payload) and Cyclic Redundancy Check.Wherein, the MAC head comprises the CID of MSS, and this CID is the Business Stream connection ID (Traffic CID) of Basic CID, Primary CID or the identification service data of the sign R1 idle message of span non-overlapping copies.If above-mentioned CID is Basic CID or Primary CID, then the interface function of this module invokes signaling processing module is done further processing to PDU, otherwise the interface module of calling data processing module is done further processing to PDU; Up (MSS is to the BS direction) is used for one or more PDU are packaged into the form of Burst, is forwarded to BS through BS base band agent unit and does further processing;
Said signaling processing module, the Payload of the descending PDU that is used for specialized protocol stack processing module has been parsed does further parsing, and this Payload comprises MAC head (Subheader), type of message and message Payload.According to type of message and message Payload, just can construct corresponding R1 idle message according to 802.16d/e air protocol stack, redispatch and do further processing to the signaling emulation module; Up being used for is packaged into PDU with the R1 idle message, and then the interface function that calls specialized protocol stack processing module is done further processing;
Said signaling emulation module, descending being used to receives the R1 idle message that sends from signaling processing module, if this message is request message, also will feed back corresponding response message to signaling processing module according to the testing process of setting; Uply be used to construct the R1 idle message and send to signaling processing module, be packaged into PDU by signaling processing module after, call the interface function of specialized protocol stack processing module and do further processing.In addition, the signaling emulation module also receives the test control messages that Configuration Manager is transmitted, and initiates or stop the testing process of MSS; After MSS accomplished the professional establishment of connection of up-downgoing, the signaling emulation module sent message informing data source module and initiates data test;
Said data processing module, the Payload of the descending PDU that is used for specialized protocol stack processing module has been parsed does further parsing, and this Payload comprises MAC head (Subheader) and business datum Payload.According to professional Payload; Just can be configured to Medium Access Control (MAC) Service Data Unit (SDU) according to the ICP/IP protocol stack; This SDU comprises the IP address (destination address) of MSS, the IP address (source address) and ICMP (Internet igmpinternet) data of application server, redispatches and does further processing to the data source module; Up being used for is packaged into PDU to the MAC SDU that receives from data source, and then the interface function that calls specialized protocol stack processing module is done further processing;
Said data source module, descending being used for receives the MAC SDU that has encapsulated the ICMP response data from data processing module; Up being used for sent the MACSDU that has encapsulated the ICMP request msg to data processing module.
Fig. 4 has shown the structural representation of the distributed big traffic simulation test macro of a plurality of MSS service analogue of embodiment of the invention unit.In distributed big traffic simulation test macro, a plurality of MSS service analogues unit is arranged, be connected with a control unit.Cycle timer of each MSS service analogue unit starting; According to certain time interval; Carry out test result separately that the form with test post sends to control unit behind the statistics and analysis, after handling by control unit, export to the user with the form of figure or tabulation.
As shown in Figure 5, the parameter configuration flow chart for the big traffic simulation test macro of the embodiment of the invention comprises the steps:
Parameter name | Parameter value |
The number of MSS | MSS_NUM |
The MAC Address base value of MSS | MSS_MAC_BASE |
RNG-REQ message maximum number of retransmissions | MAX_RESEND_RNG_REQ |
RNG-RSP Messages-Waiting time delay | WAIT_RNG_RSP |
SBC-REQ message maximum number of retransmissions | MAX_RESEND_SBC_REQ |
SBC-RSP Messages-Waiting time delay | WAIT_SBC_RSP |
REG-RSP Messages-Waiting time delay | WAIT_REG_RSP |
DSA-REQ Messages-Waiting time delay | WAIT_DSA_REQ |
DSA-ACK Messages-Waiting time delay | WAIT_DSA_REQ |
The professional keep-alive duration that connects | SF_KEEP |
The flow process intercycle | WAIT_CIRCLE |
Maximum flow process cycle-index | MAX_CIRCLE_NUM |
DREG-REG message maximum number of retransmissions | MAX_RESEND_DREG_REQ |
DREG-CMD Messages-Waiting time delay | WAIT_DREG_CMD |
Maximum Ping request package is sent number of times | MAX_PING_SENT_NUM |
Ping packet voice size | PING_SIZE |
The Ping packet voice sends at interval | PING_INTERVAL |
The foreground statistics time interval | COUNT_INTERVAL |
Table 1
Parameter name | Parameter value |
RNG-REQ message has been retransmitted number of times | HAS_RESEND_RNG_REQ |
SBC-REQ message has been retransmitted number of times | HAS_RESEND_SBC_REQ |
Flow process is cycle-index | HAS_CIRCLE |
RNG-REQ message is sent total degree | TOTAL_HSEND_RNG_REQ |
Success RNG-RSP message sink total degree | TOTAL_HRCV_RNG_RSP |
SBC-REQ message is sent total degree | TOTAL_HSEND_SBC_REQ |
SBC-RSP message sink total degree | TOTAL_HRCV_SBC_RSP |
REG-REQ message is sent total degree | TOTAL_HSEND_REG_REQ |
Success REG-RSP message sink total degree | TOTAL_HRCV_REG_RSP |
DSA-REQ message is met and sent off total degree | TOTAL_HRCV_DSA_REQ |
Success DSA-ACK message sink total degree | TOTAL_HRCV_DSA_ACK |
Flow process is cycle-index | HAS_CIRCLE_NUM |
DREG-REQ message has been retransmitted number of times | HAS_RESEND_DREG_REQ |
The Ping request package is sent total degree | TOTAL_PING_SENT_NUM |
The Ping request package is sent total size | TOTAL_PING_SENT_SIZE |
The Ping respond packet receives total degree | TOTAL_PING_RCV_NUM |
The Ping respond packet receives total size | TOTAL_PING_RCV_SIZE |
The Ping Test duration | PING_PERIOD |
Table 2
As shown in Figure 6, the information test flow chart for the big traffic simulation test macro of the embodiment of the invention comprises the steps:
Whether step 606, each Handle process cycle criterion of MSS service analogue unit receive earlier that RNG-RSP message or T1 timer are earlier overtime, if the T1 timer of each Handle process of MSS service analogue unit is earlier overtime, then jump to step 604; If, then change step 607 if each Handle process of MSS service analogue unit is received RNG-RSP message earlier;
Step 607 is killed timer T1, again the HAS_RESEND_RNG_REQ in the table 2 is initialized as 0;
Whether step 611, each Handle process cycle criterion of MSS service analogue unit receive earlier that SBC-RSP message or T2 timer are earlier overtime, if the T2 timer of each Handle process of MSS service analogue unit is earlier overtime, then jump to step 609; If, then jump to step 612 if each Handle process of MSS service analogue unit is received SBC-RSP message earlier;
Step 612 is killed timer T2, and the TOTAL_HRCV_SBC_RSP in the table 2 is added up to add 1 operation, and HAS_RESEND_SBC_REQ in the table 2 is reinitialized to 0;
Step 615 is then killed timer T3, and the TOTAL_HRCV_REG_RSP in the table 2 is added up to add 1 operation;
Step 619 is killed timer T4, and the TOTAL_HRCV_DSA_REQ in the table 2 is added up to add 1 operation;
Step 622 is killed timer T5, and the TOTAL_HRCV_DSA_ACK in the table 2 is added up to add 1 operation;
Fig. 7 is the message abnormality processing flow chart of the big traffic simulation test macro of the embodiment of the invention, may further comprise the steps:
Whether step 704, each Handle process cycle criterion of MSS service analogue unit receive earlier that DREG-CMD message or T7 timer are earlier overtime, if the T7 timer of each Handle process of MSS service analogue unit is earlier overtime, then jump to step 702; If, then jump to step 705 if each Handle process of MSS service analogue unit is received DREG-CMD message earlier;
Step 705 is killed timer T7;
Step 710 stops the testing process under this Handle process.
Fig. 8 is the data test flow chart of the big traffic simulation test macro of the embodiment of the invention, may further comprise the steps:
Step 805 stops the transmitting-receiving of Ping bag under this Handle process, and stops to clock of PING_PERIOD.
Fig. 9 is the test result statistics flow chart of the big traffic simulation test macro of the embodiment of the invention, may further comprise the steps:
Computational item | Computing formula |
The Ranging success rate | TOTAL_HRCV_RNG_RSP/TOTAL_HSEND_RNG_REQ |
The basic capability negotiating success rate | TOTAL_HRCV_SBC_RSP/TOTAL_HSEND_SBC_REQ |
The register request success rate | TOTAL_HRCV_REG_RSP/TOTAL_HSEND_REG_REQ |
Business Stream is created as power | TOTAL_HRCV_DSA_ACK/TOTAL_HRCV_DSA_REQ |
The professional connection is created as power | TOTAL_HRCV_DSA_ACK/(2*TOTAL_HSEND_RNG_REQ) |
Packet loss | TOTAL_PING_RCV_NUM/TOTAL_PING_SENT_NUM |
Uplink throughput | TOTAL_PING_SENT_SIZE/PING_PERIOD |
Downlink throughput capacity | TOTAL_PING_RCV_SIZE/PING_PERIOD |
Table 3
Scheme according to the invention is not restricted to listed utilization in specification and the execution mode.Under technology of the present invention, the those of ordinary skill in field, can make various corresponding changes and distortion, and all these corresponding changes and distortion all belong to the protection range of claim of the present invention according to the present invention.
Claims (13)
1. big traffic simulation test macro; It is characterized in that, be used for the performance test to the WiMAX system, base station BS, access gateway AG W, core net CSN and application service provider ASP are measurand; Comprise control unit and customer mobile terminal MSS service analogue unit, wherein:
Said control unit is used for MSS service analogue unit is controlled, and and MSS service analogue unit between carry out communication, send control messages to said MSS service analogue unit and test control; In addition, control unit also from MSS service analogue unit acceptance test result, is exported test result;
Said MSS service analogue unit; Be used to receive said control messages, simulate true MSS and tested base station BS carries out communication, and receive the test data of returning; MSS service analogue unit carries out test data to obtain test result behind the statistics and analysis, sends to control unit.
2. system according to claim 1 is characterized in that, described control unit is used to load the required configuration information file of test, and configuration information is sent to the employed parameter of MSS service analogue configuration of cells testing process.
3. system according to claim 1 is characterized in that, said MSS service analogue unit and control unit are one to one or many-to-one relation.
4. system according to claim 1 is characterized in that said system also comprises BS base band agent unit, and it is positioned on the BS, is used for MSS service analogue unit and BS and carries out communication.
5. like the said system of claim 4, it is characterized in that, be connected through Fast Ethernet FE or gigabit Ethernet GE between said BS base band agent unit and the MSS service analogue unit, adopt Internet protocol IP/user datagram protocol UDP to carry out communication.
6. system according to claim 1 is characterized in that, described control unit and MSS service analogue unit adopt transmission control protocol TCP/ Internet protocol IP to carry out communication.
7. system according to claim 1 is characterized in that said control unit comprises with lower module: background communication module, Subscriber Interface Module SIM, file access module, configuration parameter module, message processing module and output statistical module, wherein:
Said background communication module is used for control unit and MSS service analogue unit carries out interacting message;
Said Subscriber Interface Module SIM; It is the interactive interface that control unit offers the user; Be used for external interface, test result is exported with the form of figure or form as an access file access module, configuration parameter module, message processing module and output statistical module;
Said file access module is used for the configuration information of configuration information file is read, and supplies the configuration parameter module to call, and perhaps configuration information is kept in the configuration information file, as the default configuration parameter that next time, this module read;
Said configuration parameter module is used for confirming that which parameter of configuration information is effectively, and the numerical value of these actual parameters; The parameter of revising through this module, the current configuration parameter that will use as testing process;
Said message processing module, be used for when the user when carrying out interface operation, read configuration information structure configuration information message or direct structure test control messages, send to MSS service analogue unit through the background communication module; Perhaps receive the test result message that MSS service analogue unit sends, export to the output statistical module after parsing test result through the background communication module;
Said output statistical module, be used for according to the test result calculations that obtains from message processing module the end value of the project that will add up, and export to Subscriber Interface Module SIM.
8. system according to claim 1; It is characterized in that said MSS service analogue unit comprises following module: foreground communication module, Configuration Manager, statistical analysis module, specialized protocol stack processing module, signaling processing module, signaling emulation module, data processing module and data source module
Said foreground communication module is used for accomplishing the transmission of messages between MSS service analogue unit and the control unit with the background communication module of control unit;
Said Configuration Manager is used to receive the configuration information message and test control messages from the control unit transmission that the foreground communication module is transmitted; If configuration information message is then preserved the configuration parameter in the configuration management operational module, supply instance Handle process to call; If the test control messages is given the Handle process with the transmitted test control messages, make the Handle process initiate or stop the testing process under it;
Said statistical analysis module is used to add up the total degree of each R1 idle message of signaling emulation module transmitting-receiving, and the Ping bag total degree and total size of the transmitting-receiving of data source module, according to above-mentioned statistics, in order to calculate test result;
Said specialized protocol stack processing module, the downlink burst Burst that the BS that BS is used for that to the MSS direction base band agent unit is transmitted sends resolves to one or more protocol Data Unit PDU; MSS is used for one or more PDU are packaged into the form of Burst to the BS direction, is forwarded to BS through BS base band agent unit;
Said signaling processing module, BS is used for the PDU that specialized protocol stack processing module has parsed is done further parsing to the MSS direction, constructs corresponding R1 idle message, redispatches to the signaling emulation module; MSS is used for the R1 idle message is packaged into PDU to the BS direction, and then is transmitted to specialized protocol stack processing module;
Said signaling emulation module, BS is used to receive the R1 idle message that sends from signaling processing module to the MSS direction, if this message is request message, also will feed back corresponding response message to signaling processing module according to the testing process of setting; MSS is used to construct the R1 idle message to the BS direction and sends to signaling processing module; In addition, the signaling emulation module also receives the test control messages that Configuration Manager is transmitted, and initiates or stop the testing process of MSS; After MSS accomplished the professional establishment of connection of up-downgoing, the signaling emulation module sent message informing data source module and initiates data test;
Said data processing module, BS is used for the PDU that specialized protocol stack processing module has parsed is done further parsing to the MSS direction, is configured to Medium Access Control (MAC) Service Data Unit SDU, redispatches to the data source module; MSS is used for the MAC SDU that receives from data source is packaged into PDU to the BS direction, and then is transmitted to specialized protocol stack processing module;
Said data source module, BS is used for receiving the MAC SDU that has encapsulated the ICMP response data from data processing module to the MSS direction; MSS is used for sending the MAC SDU that has encapsulated the ICMP request msg to data processing module to the BS direction.
9. a big traffic simulation method of testing is characterized in that, is used for the performance test to the WiMAX system, and base station BS, access gateway AG W, core net CSN and application service provider ASP are measurand, comprise the steps:
(1) control unit sends the test initiation command through its backstage communication module to one or more MSS service analogues unit;
(2) said MSS service analogue unit receives said test initiation command; Simulate true MSS and tested base station BS carries out communication; And receiving the test data of returning, MSS service analogue unit sends to said control unit and exports after test data is carried out statistics and analysis.
10. like the said method of claim 9, it is characterized in that in the step (1), control unit also sends configuration information through its backstage communication module to one or more MSS service analogues unit.
11., it is characterized in that step (2) comprises the steps: like the said method of claim 10
(2.1) after said MSS service analogue unit receives said test initiation command and configuration information; The MSS that simulates in the said MSS service analogue unit initiates network insertion through the BS base band agent unit on the BS to BS by specialized protocol stack processing module according to the parameter in the configuration information;
(2.2) it is mutual that the MSS of said BS and said simulation carries out the R1 idle message, and distribute to said MSS in the corresponding radio bearer resources of access network ASN side, sets up corresponding business with MSS and be connected;
(2.3) said MSS is a destination address with the application server AS of application service provider ASP side, sends test request message (TRM) through BS, AGW, core net CSN to it;
(2.4) AS of said ASP side test back feedback test data; After the statistical analysis module of MSS service analogue unit carried out statistics and analysis with said test data, the Subscriber Interface Module SIM that sends to said control unit through Configuration Manager, foreground communication module, background communication module, message processing module, statistics output module was successively exported.
12., it is characterized in that like the said method of claim 11, be connected through Fast Ethernet FE or gigabit Ethernet GE between said BS base band agent unit and the MSS service analogue unit, adopt Internet protocol IP/user datagram protocol UDP to carry out communication.
13., it is characterized in that the foreground communication module of the background communication module of said control unit and MSS service analogue unit adopts transmission control protocol TCP/ Internet protocol IP to carry out communication like the said method of claim 11.
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CN102395150B (en) * | 2011-06-28 | 2017-08-25 | 中兴通讯股份有限公司 | Packet data service paging telephone traffic testing method and device |
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