CN1332592A - Base station side business imitating system and method - Google Patents
Base station side business imitating system and method Download PDFInfo
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- CN1332592A CN1332592A CN 00125621 CN00125621A CN1332592A CN 1332592 A CN1332592 A CN 1332592A CN 00125621 CN00125621 CN 00125621 CN 00125621 A CN00125621 A CN 00125621A CN 1332592 A CN1332592 A CN 1332592A
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Abstract
The present invention is the base station side business imitating system and method for the development and regulation of mobile service center in mobile communication, and solvent the technoloigcal problems of imitating multiple module bureau and several independent using persons. The system includes the imitating client compuer, imitating server and imitating foreground, the inner connection is based on the TCP/IP protocol in the Ethernet, and the communication between the outer and the exchange is completed via the No.7 signaling. The method of realizing the imitating service is completed via the process of sending and receiving message. By using the present invention, the development of mobile exchange system needs no expensive special equipment.
Description
The present invention relates to field of mobile communication, specifically the A interface business of base station side is simulated, to be implemented in the technology of simulation process miscellaneous service in the experimental enviroment.
In exploitation, debugging and the test process of communication system mobile services switching centre (MSC), all need the cooperation of base station side, what set up between itself and the switching system is the standard A interface, owing to be not suitable for participating in these processes, so can only adopt simulated mode to carry out with actual base station.Some base station simulators are arranged in the market, and (manufacturing of Wavetek Wandel Goltermann company) is exactly a base station simulator as WG8610.But they originally still have weak point on one's body in technology and product, below specify:
With regard to the technology that it adopted, some function aspects that need conscientiously in some MSC development﹠ testing process have much room for improvement, and cannot add up as the called data in the Bulk Call test process; Can not realize the network configuration under the multimode MSC office situation and the simulation of signaling process; As virtual switching network functional entity, can't realize network configuration complicated under the actual conditions, as the many-one and the multi-to-multi configuration of MSC and BSC configuration; Can not adapt to when organizing developer's R﹠D work in the R﹠D process more and use, can not fully satisfy the needs of MSC systems soft ware R﹠D process;
With regard to its product itself, though function ratio is more powerful, but cost is quite expensive, because the hardware configuration of integrated circuit board in the strict dependence of the simulation mobile subscriber number system that system supports, multimode is more intended being supported under the sunk costs of mobile subscriber can't be realized, so can only be used as a kind of high-grade tester; From Operation and Maintenance, the base station simulator system is huge, uses complexity, and is difficult in maintenance, and the user wants skilled the use needs special training process.
Except above-mentioned private base station simulator, also have the simpler relatively analog machine of some functions, as mention in the U.S. Pat 5627834 for the capacity of call treatment and performance design between base station and the travelling carriage in the test CDMA mobile communcations system one call out simulator automatically.From in essence, its simulation be the signaling of air interface between travelling carriage and the base station, and can only be used for the CDMA mobile communcations system, applicable scope is also narrow.
One of purpose of the present invention is to provide that a perfect in shape and function, flexible configuration are simple, convenient operating maintenance, base station side business analogue system widely applicable, with low cost, with research and development and the test needs that fully satisfy mobile switching subsystem.
Two of purpose of the present invention is to provide the method for finishing the base station side business simulation in a kind of system that sets up based on the present invention, to realize various signaling processes or to develop the simulation needs of new business function etc.
A kind of system of base station side business imitating comprises simulation foreground and simulation backstage; The simulation foreground with simulate the Ethernet that also is based on ICP/IP protocol between the backstage and be connected; The simulation back partition comprises several simulation client computer and emulating servers, and described simulation client computer all is connected by the Ethernet based on ICP/IP protocol with an emulating server; The Signaling System Number 7 of employing standard is connected between simulation foreground and the outside mobile services switching centre (MSC).
Described simulation foreground mainly be responsible for message encoding and decoding, message forwarding and with the communication of emulating server;
Described simulation client computer is mainly finished management, all relevant control and processing that reach incoherent signaling process with travelling carriage of man-machine interface management, mobile station data, and and emulating server between the communication processing;
Described emulating server comprises three modules: communication processing, travelling carriage index assignment and forwards;
A kind of method of base station side business imitating, its flow process that sends Message Processing is:
(1) message flow of a certain travelling carriage of startup on the simulation client computer;
(2) emulating server receives the message that the simulation client computer is sent;
(3) emulating server is given the simulation foreground with forwards;
(4) encoding process is carried out to the message that receives in the simulation foreground;
(5) the residing index range of travelling carriage is determined according to the message that receives in the simulation foreground;
(6) the simulation foreground is given corresponding switch forwards.
A kind of method of base station side business imitating, its handling process that receives message is:
(1) the simulation foreground receives the message from switch;
(2) decoding processing of message is carried out on the simulation foreground;
(3) judge the index range whether travelling carriage is arranged in the message, if having then change step (5), if do not have
Have and then change step (4);
(4) destination signaling point of message correspondence is looked for according to the Original Signaling Point of message in the simulation foreground, should thereby determine
The index range of travelling carriage;
(5) emulating server receives the simulation foreground and transmits the message of coming;
(6) emulating server is given the corresponding simulating client computer forwards according to the index range of determining.
The present invention adopts the combination of Signaling System Number 7 net and Ethernet on network configuration, be enough to carry any complicated flexible net configuration between MSC and the anolog base station.Not only can realize between single module or multimode MSC office and the anolog base station one to one with the configuration of one-to-many, can also realize the network architecture of many-one and multi-to-multi.Be subjected to the communication stream quantitative limitation at present, system can be with 48 simulation client computer, can finish analog functuion simultaneously to the A interface business flow process of 48 MSC offices, therefore 48 development and testing personnel whiles can be arranged and use analogue system and corresponding M SC collaborative work without interfering with each other, and can be used for the research and development and the test job of CDMA and two kinds of networks of GSM simultaneously.
Fig. 1 is the system assumption diagram of analogue system of the present invention;
Fig. 2 is the module combinations figure of the each several part of analogue system of the present invention;
Fig. 3 is the process chart that the present invention sends message;
Fig. 4 is the process chart that the present invention receives message;
The structure of base station side business imitating of the present invention system as described above, system assumption diagram and functional structure chart are respectively referring to Fig. 1, Fig. 2.Need to prove: the part that frame of broken lines comprised among Fig. 1 is exactly whole A interface business flow process analogue system, and described analogue system and respective switch carry out the communication of message by the Signaling System Number 7 net.The main modular of Fig. 2 for comprising in the simulation client computer among Fig. 1, emulating server, the simulation foreground.
In analogue system, be one-to-one relationship between simulation client computer and the MSC.Corresponding MSC, each simulation client computer is simulated the signaling process of the travelling carriage in certain index range.Travelling carriage is handled as an object in system, and each object has data and the action of oneself.
Data division comprises the travelling carriage characteristic and some required information of client program in signaling process simulation process process.The former mainly refers to some intrinsic informations of travelling carriage itself, as IMSI, MIN, ESN, mobile subscriber number, called number etc., owing to they generally remain unchanged in the flowsheeting process, so be stored in the mobile station data storehouse.And state information and the simulation program information that need write down of travelling carriage in simulation process normally changes in simulation process, so leave in the mobile station data district of appointment.For the data in mobile station data storehouse and the data field, the operator can inquire about and revise by the man-machine interface on the simulation client computer.
The major function of travelling carriage action is to utilize the mobile station data structure of storing in database or the data field to meet the various message of A interface standard, and carries out the transmitting-receiving of message and relevant processing.
For the operation flow that has nothing to do with the user, as the land circuit management, need not to consider the processing of travelling carriage, only need the operation of control operation flow to get final product.And for other operation flows relevant with travelling carriage, as mobile management, calling, switching, short message etc., its type of message, parameter, timer etc. all have bigger flexibility.For this reason, the processing of operation flow is that the transmitting-receiving of message and relevant processing are controlled by the message chained list in the system.
The message chained list is a doubly linked list, the corresponding signaling process of each message chained list.Each nodes records in the message chained list feature of an A interface message, as waiting for information such as duration, reception/transmission, message name, last node pointer, back one node pointer.In order to realize the signaling process of miscellaneous service neatly, analogue system has adopted the method by flow process script file dynamic generation of message chained list.The basic composition of flow process script file is as follows: begin indication signaling flow process begins
＞Bmsg1＞representative sends indication, Bmsg1 message name (being generally the another name of definition) T1＜Mmsg1 T1 represents that timer duration is 1 millisecond,＜receiving indication, Mmsg1 message name＞Bmsg2 Bmsg2 is that message name T2＜Mmsg2 Mmsg2 is that message name＞Bmsg3 Bmsg3 is that message name end indication signaling flow process finishes
The corresponding a piece of news of each row in the flow process script file, respectively by timer duration, transmissions/receptions indicated, message name 3 parts composition.The flow process script file is that the form with text exists, and can directly or by the interface of simulation client program make amendment indirectly.And the flow process script file is scanned the message chained list that explanation just can generate corresponding operation flow.Analogue system will be according to the content of the variation real time altering message chained list of flow process script.The content that has comprised timer, message direction, type of message and message additional option in the message chained list.
After the chain of messages table generated, the travelling carriage object just began to carry out concrete message flow simulation successively according to the parameter each node from linked list head.Generally speaking, except that the startup of called flow and handoff response side be respectively calling procedure at the caller travelling carriage start the back and switch initiate to automatically perform after the effluent journey starts, the startup of other flow process generally activates the corresponding mobile station object by man-machine interface.
The method of operation of system is: the operator is selected travelling carriage index and the type of service that will simulate on human-computer interaction interface at first, and determines and these user-dependent data have satisfied the service analogue requirement, and the flow process script file corresponding with analog service is correct.Start the simulation of operation flow then by interactive interface.
With above-described script file is that example illustrates that with reference to figure 3, Fig. 4 simulation program carries out the simulation process (transmission and the reception process that comprise message) of operation flow according to the message chained list that generates.
Elder generation sets forth the flow process that analogue system starts and send message, and step is as follows: 1. the simulation client program determines that the action of travelling carriage object is after sending, and structure also sends Bmsg1 to emulating server, and starts the T1 timer; 2. emulating server receives the message Bmsg1 that the simulation client computer is sent; 3. emulating server is given the simulation foreground with forwards; 4. the simulation foreground becomes O.7 signaling format of standard N with the message coding of being received; According in the message with the travelling carriage index determine which MSC index range and message will mail to; 6. the simulation foreground sends message to corresponding M SC by the NO.7 signaling network;
Can finish the process that in the analogue system message Bmsg1 of analogue mobile station sends corresponding switch to by these 6 steps.
Analogue system receives the flow process from this information (being Bmsg1) of switch simulation client computer under the corresponding mobile station afterwards, and step is as follows:
1. the message Mmsg1 from MSC is received on the plan of rubbing foreground,
2. source codec is become to simulate the message format that background program can be discerned.
3. judge from whether having the travelling carriage index in the message of MSC, if from the message of MSC
In have the travelling carriage index and change step 5;
4. if from Tape movement platform index not in the message of MSC, the simulation foreground must be at first according to disappearing
The OPC Origination Point Code of breath is the travelling carriage call number that the signaling point code of MSC is determined this message
Scope, get minimum value in this scope then as the call number in the message;
5. give emulating server with forwards;
Emulating server according in the message with the travelling carriage call number message is issued the corresponding simulating visitor
The family machine;
7. simulation is after client program receives Mmsg1 message, and that determines that this message waited for really disappears
Breath just stops the T1 timer, handles Mmsg1, constructs and send Bmsg2 then to simulation
Server starts timer T2;
8. subsequent treatment is identical with the processing of article one message, finishes the statistical simulation knot until operation flow
Really.
By above-mentioned step, just can realize transmission, reception and the affirmation process of analogue mobile station message.
Analogue system of the present invention is powerful, all signaling capabilitys of real base station system have not only been realized, comprise position renewal, unique challenge, beginning exhale, exhale eventually, switching of short message, supplementary service, intra-office and interoffice, land circuit management, overload control or the like, thereby can also allow exploitation and tester realize that needed any signaling process finishes some specific function.The function that can't realize comprising true base station is as perfect relatively Bulk Call test function.Selected several mobile stations user starts the simulation of identical or different operation flows successively.In case certain travelling carriage flow performing finishes, initiate the simulation of same flow process next time again after at certain time intervals.Each travelling carriage executed in parallel without interfering with each other separately operation flow.Can change the time interval of each travelling carriage initial start and the time interval that same Mobile Origination is simulated next time neatly by the parameter of revising in the configuration file, thereby satisfy the demand of different tests.Simultaneously, simulation program has also been added up the number of times of total degree, success and failure that miscellaneous service initiates and the reason of failure etc., for debugging and test provide favourable reference data.In addition, realized big quantity mobile subscriber's simulation, can finish several ten thousand even the test of every performance of hundreds of thousands user capacity by specific algorithm.
Adopt whole system of the present invention with low cost.Only need frame and a some PC of realizing the signal switching function on the hardware as simulation client computer and server.Software platform is based on MicrosoftWindows NT4.0, the data configuration simple and flexible of system, and friendly interface is directly perceived, and need not special training process can grasp.
Utilize this cover base station analogue system and method, in the research and development of CDMA/MSC and GSM/MSC system and test process, need not to dispose expensive professional test equipment again, also need not to dispose real base station system, saved R﹠D costs.This analogue system that also confirms actual motion has satisfied the needs of research and development tests well.
Claims (6)
1. a base station side business system for simulating comprises simulation foreground and simulation backstage; The simulation foreground
Be connected with the Ethernet that also is based on ICP/IP protocol between the simulation backstage; The simulation back partition
Comprise several simulation client computer and emulating servers, described simulation client computer and
Individual emulating server all connects by the Ethernet based on ICP/IP protocol; The simulation foreground
Be connected with adopting the Signaling System Number 7 of standard between the outside mobile services switching centre.
2. a kind of base station side business system for simulating according to claim 1 is characterized in that: institute
The encoding and decoding of message, the forwarding and and the analog service of message mainly are responsible in the simulation foreground of stating
The communication of device.
3. a kind of base station side business system for simulating according to claim 1 is characterized in that: institute
The simulation client computer of stating mainly finish man-machine interface management, mobile station data management, all
Relevant control and the processing that reaches incoherent signaling process with travelling carriage, and and analog service
Communication between the device is handled.
4. a kind of base station side business system for simulating according to claim 1 is characterized in that: institute
The emulating server of stating comprises three modules: communication processing, travelling carriage index assignment and message
Transmit.
5. the method for the flow process of a base station side business simulation transmission Message Processing comprises the steps:
(1) message flow of a certain travelling carriage of startup on the simulation client computer;
(2) emulating server receives the message that the simulation client computer is sent;
(3) emulating server is given the simulation foreground with forwards;
(4) encoding process is carried out to the message that receives in the simulation foreground;
(5) the residing index range of travelling carriage is determined according to the message that receives in the simulation foreground;
(6) the simulation foreground is given corresponding switch forwards.
6. the method for the handling process of a base station side business simulation reception message comprises the steps:
(1) the simulation foreground receives the message from switch;
(2) decoding processing of message is carried out on the simulation foreground;
(3) judge the index range whether travelling carriage is arranged in the message, if commentaries on classics step (5) is arranged, if
Do not change step (4);
(4) destination signaling point of message correspondence is looked for according to the Original Signaling Point of message in the simulation foreground, thereby really
The index range of fixed this travelling carriage;
(5) emulating server receives the simulation foreground and transmits the message of coming;
(6) emulating server is given the corresponding simulating client forwards according to the index range of determining
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001256211A CN1141852C (en) | 2000-09-30 | 2000-09-30 | Base station side business imitating system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001256211A CN1141852C (en) | 2000-09-30 | 2000-09-30 | Base station side business imitating system and method |
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| CN1332592A true CN1332592A (en) | 2002-01-23 |
| CN1141852C CN1141852C (en) | 2004-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB001256211A Expired - Fee Related CN1141852C (en) | 2000-09-30 | 2000-09-30 | Base station side business imitating system and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100340986C (en) * | 2004-09-08 | 2007-10-03 | 华为技术有限公司 | Method and apparatus for analog satellite card |
| CN100401825C (en) * | 2005-01-11 | 2008-07-09 | 华为技术有限公司 | Mobile switching center testing method and apparatus |
| CN102231892A (en) * | 2011-08-03 | 2011-11-02 | 成都林海电子有限责任公司 | Mobile communication simulation system |
| CN101247276B (en) * | 2007-02-12 | 2012-05-23 | 中兴通讯股份有限公司 | large traffic simulation test tool and method for WiMAX system |
| CN103973519A (en) * | 2014-05-27 | 2014-08-06 | 天津七一二通信广播有限公司 | Simulation testing system of switching center based on PC (Personal Computer) platform |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329837C (en) * | 2004-08-20 | 2007-08-01 | 中兴通讯股份有限公司 | Method and apparatus for simulating base station network management system on personal computer |
-
2000
- 2000-09-30 CN CNB001256211A patent/CN1141852C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100340986C (en) * | 2004-09-08 | 2007-10-03 | 华为技术有限公司 | Method and apparatus for analog satellite card |
| CN100401825C (en) * | 2005-01-11 | 2008-07-09 | 华为技术有限公司 | Mobile switching center testing method and apparatus |
| CN101247276B (en) * | 2007-02-12 | 2012-05-23 | 中兴通讯股份有限公司 | large traffic simulation test tool and method for WiMAX system |
| CN102231892A (en) * | 2011-08-03 | 2011-11-02 | 成都林海电子有限责任公司 | Mobile communication simulation system |
| CN102231892B (en) * | 2011-08-03 | 2014-04-09 | 成都林海电子有限责任公司 | Mobile communication simulation system |
| CN103973519A (en) * | 2014-05-27 | 2014-08-06 | 天津七一二通信广播有限公司 | Simulation testing system of switching center based on PC (Personal Computer) platform |
| CN103973519B (en) * | 2014-05-27 | 2017-09-22 | 天津七一二通信广播股份有限公司 | A kind of switching centre's emulation test system and method based on PC platforms |
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| Publication number | Publication date |
|---|---|
| CN1141852C (en) | 2004-03-10 |
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