WO2007059672A1

WO2007059672A1 - An information collection system and method in communication system

Info

Publication number: WO2007059672A1
Application number: PCT/CN2006/001892
Authority: WO
Inventors: Haopeng Zhu; Hao Zhang; Jie Wan; Yongli Jia
Original assignee: Huawei Technologies Co., Ltd.
Priority date: 2005-11-28
Filing date: 2006-07-28
Publication date: 2007-05-31

Abstract

An information collection system and method in communication system. The collection system includes: a service system and a record system, therein, the service system is set in the service processing equipment in communication system for informing the record system to collect information when a new service is being accessed, sending the information of service processing procedure to the record system for collecting, and informing the record system to generate a record when present service finishes; the record system is used for collecting the information sent by the service system, and generating a present service record composed of the collected information when present service finishes. The collection method includes: the service processing equipment in communication system collects the processing information of service processing equipment when a service is processed, generates a record composed of the collected information when present service finishes, and the record is corresponding to present service. Present invention is useful for fault analysis and localization of service processing equipment, and can decrease workload.

Description

Information collection system and method in communication system

Technical field

The present invention relates to a failure analysis technique for a communication system, and more particularly to an information collection technique in a communication system as a basis for failure analysis. Background of the invention

Current communication systems have evolved into third generation (3G) mobile communication systems. The Universal Mobile Telecommunications System (UMTS) is a third-generation mobile communication system using Wideband Code Division Multi-Access (WCDMA) air interface technology. The Terrestrial Radio Access Network (UTRAN), the Core Network (CN) and the User Equipment (UE) together form the entire UMTS system. The Mobile Switching Center (MSC) / Visit Location Register (VLR) is the service processing function node of the WCDMA Core Network Circuit (CS) domain.

Due to the development of the communication system, on the one hand, the amount of signaling message interaction of the service processing unit in the communication system is greatly increased. On the other hand, the service complexity and user capacity of the service processing equipment in the communication system are also greatly increased. For example, in the 3G R4 architecture, the Service Processing Equipment Mobile Switching Center (MSC) is divided into an MSC Server (MSC Server) and a Media Gateway (MGW). One MSC Server can manage multiple MGWs and simultaneously access the Global System for Mobile Communications (GSM). And UMTS, in the actual WCDMA circuit domain network, the functions of the MSC are mainly reflected in the signaling interaction with other devices and the control processing of the MSC on the business process. The signaling interaction between the MSC and the external entity and the internal service control processing are related, and the signaling interaction with the external entity and the internal service control processing are very complicated, so that the external signaling interaction of the MSC may be caused during the operation. Process and internal business processes fail. If you want to analyze the cause of the fault and further locate the fault, you need signaling information in the signaling process. The collection is performed, and the business information of the business processing equipment in the business process is collected, and the analysis is performed on the basis to determine the fault, thereby eliminating the fault.

In the routine maintenance work of the existing communication system, the following information is used to collect the information of the signaling interaction between the service processing device and the external entity and the service information in the service processing device, and perform fault analysis by using the collected information:

1) The performance statistics scheme, which measures the quality of the current network through key statistical items in the statistical network.

2) The whole network signaling tracking detection method, that is, the signaling protocol is used to track the signaling message conforming to the standard protocol of the service processing unit (for example, the MSC) and other network elements in the service process by using the signaling analysis instrument on the standard protocol interface on the communication device. Analyze the tracked messages to solve some of the faults.

3) The alarm scheme, that is, the network management system can eliminate and manage the network fault by processing and analyzing the alarm information.

However, the above-mentioned prior art has the following disadvantages: the collected information reflects the overall operation of a service processing device, and cannot provide more positioning information for the failure of a single service processing flow, so that it is difficult to process a single service. The cause of the failure of the process is analyzed in detail, which is inconvenient for fault analysis and positioning. Moreover, the workload required by the prior art is relatively large, resulting in waste of human resources. Summary of the invention

In view of this, the main object of the present invention is to provide an information collecting system and a collecting method in a communication system, which are convenient for fault analysis and positioning, and reduce workload.

In order to achieve the above object, the main technical solution of the present invention is:

An information collecting system in a communication system, the collecting system comprising: a business system and a recording system, wherein: The service system is disposed in the service processing device of the communication system, and is configured to notify the recording system to collect signaling information between the service processing device and the external entity during the processing of the current service when the new service is accessed, or collect the internal processing service device. The processed service information is sent to the recording system, and the recording system is notified to generate the record when the service is terminated; the recording system is used to collect the information sent by the business system, and the current collected information is generated by the collected information. Business record.

Preferably, the service system is a signaling service system for performing signaling service processing between a service processing device and an external entity; the recording system is a call history recording system; and the signaling service system is sent to a call history record. The information collected by the system is: signaling information in the signaling interface between the service processing device and the external entity in the signaling service processing process; the record generated by the call history recording system is a call history record.

Preferably, the call history recording system specifically includes:

a call history initiation unit, configured to receive a service access notification of the signaling service system, and send a startup instruction to the signaling information collection unit;

a signaling information collecting unit, configured to collect signaling information sent by the signaling service system after starting;

The call history generating unit is configured to generate a call history of the current service according to the signaling information collected by the signaling information collecting unit after receiving the current service termination notification sent by the signaling service system.

Preferably, the call history record generating unit further includes: a triggering unit of the call history, configured to determine, according to a preset trigger condition, whether to generate a call after receiving the service termination notification sent by the signaling service system History, triggers the call history generation unit to generate a call history if needed, otherwise, does not trigger the generation of a call history.

Preferably, the collection system further includes a call history record server, configured to receive a stored call history record for unified management; The call history recording system further includes an encoding transmitting unit for encoding the generated call history record in accordance with a predetermined encoding format and transmitting the call history record to the call history recording server.

Preferably, the call history system further includes: a filtering buffer unit, configured to cache the currently generated call history record of the current service, and determine whether the call history record meets a preset filtering condition, and then continue Cache and transfer to the code sending unit for transmission; otherwise cancel the transmission.

Preferably, the service system is a service system for performing service processing; the recording system is a call system; and the information sent by the service system to the call log system for collection is: service processing in the service processing process. The service information processed by the device; the record generated by the call log system is a call.

Preferably, the call log system specifically includes:

a call log initiation unit, configured to receive a new service access notification of the service system, and send a startup instruction to the service information collection unit;

The service information collection unit is configured to collect the service information sent by the service system after the startup; the call log generation unit is configured to generate the service information collected by the service information collection unit after receiving the service termination notification sent by the service system. The call of the business.

Preferably, the call log generating unit further includes: a triggering unit of the call log, configured to determine, according to a preset trigger condition, whether to generate a call log after receiving the service termination notification sent by the service system, if necessary Then, the call log generating unit is triggered to generate a call log of the current service; otherwise, the generated call log is not triggered.

Preferably, the trigger unit has a user-oriented trigger condition setting interface, and the trigger condition is set according to a user instruction through the interface.

Preferably, the collection system further includes a call log server, configured to receive the storage call log for unified management; The call log system further includes a code transmitting unit for encoding the generated call message according to a predetermined encoding format and transmitting the call message to the call log server.

Preferably, the call log system further includes: a filtering buffer unit, configured to cache the currently generated call log, and determine whether the call log meets a preset filtering condition, and then continue to buffer and transmit to the code sending unit. Send; otherwise cancel the send.

Preferably, the filter buffer unit has a user-oriented filter condition setting interface, and the filter condition is set according to a user instruction through the interface.

Preferably, the service processing device is a mobile switching center, a visited location register, a media gateway, a gateway mobile switching center, a local location register, a general packet radio service GPRS service support node, and a GPRS gateway support node in the wideband code division multiple access system. , or a short message service center.

A method for collecting information in a communication system, comprising:

When the service processing device in the communication system processes a certain service, collects signaling information between the service processing device and the external entity in the current service process and service information processed internally by the service processing device, when the service is terminated. A record consisting of the collected information is generated, which corresponds to the current business.

Preferably, when the collected information is the signaling information in the signaling interface of the service processing device and the external entity, the method specifically includes: when the service processing device receives a new service establishment request from an external entity, Then, the process of collecting the signaling information is started; when the current service is terminated, the collecting of the signaling information is stopped, and a call history record of the current service is generated.

Preferably, the method further includes: setting a trigger condition for generating a call history record; determining, when the current service is terminated, determining whether to generate a call history record according to the trigger condition, and performing subsequent generation of the current service The step of the call history, otherwise the call history of the current service is not generated, and the process ends.

Preferably, the method further comprises: setting a call history server; The call history is sent to the call history server for unified management.

Preferably, the method further comprises:

Setting a filter condition; further determining whether the call history record meets the filter condition before sending the call history record to the call history server, and if yes, performing the subsequent step of sending the call history record to the call history record server; otherwise, not calling history The record server sends the call history and ends the process.

Preferably, when the collected information is the service information processed by the service processing device, the method specifically includes:

When the service processing device receives a new service establishment request from an external entity, the process of collecting the service information is started; when the service is terminated, the collection of the service information is stopped, and a call log of the current service is generated. .

Preferably, the method further includes: setting a trigger condition for generating a call log; determining, when the current service is terminated, whether to trigger the generation of a call log according to the trigger, and performing subsequent generation of the current service The procedure of calling the log. Otherwise, the call log of this service is not generated, and the process ends.

Preferably, the method further comprises: setting a call log server; and sending the generated call message to the call log server for unified management.

Preferably, the method further comprises:

Setting a filter condition; further determining whether the call log meets the filter condition before sending the call log to the call log server, and if yes, performing the subsequent step of sending the call log to the call log server; otherwise, not sending the call log to the call log server , end this process.

Preferably, the service processing device is a mobile switching center server MSC-S in a third generation mobile communication system; the service processed by the MSC-S is a connection management CM service; and the set MSC-S internally processes The specific process of business information includes: After the MSC-S receives the CM service request message sent by the base station controller BSC related to the service, the process of collecting the service information is started, and the service type of the service is recorded.

B. After the MSC-S completes the encryption determination process and sends the encryption command message to the BSC, records the encryption information related to the process; when the BSC returns the encryption completion message to the MSC-S, the MSC S records the related encryption completion. Information

C. When the MSC-S receives the call setup message of the terminal, records the related called number information, and then continues the service processing, and returns a call progress message to the BSC;

D. After the MSC-S sends a process of adding an endpoint request message to the media gateway MGW of the current service, and the MGW returns an end point response message, the bearer side bearer information related to the process is recorded;

E. After the MSC-S sends an assignment request to the BSC, and the BSC returns the assignment failure message carrying the assignment failure reason information, the failure failure reason information is recorded;

F. After the MSC-S returns the detach message to the BSC, record the call release information;

G. At the end of this business, the collection of business information for this business is ended.

Since the present invention is to collect and generate information for information (including information of service information or interface signaling) in a service process (such as a call, a short message, a handover, a multi-connection call, etc.), the entire service process of the service processing device The collected information is stored in a record server (such as a call history server or a call log server). Users can view the records of each business process by browsing. It is easy to analyze and locate faults in a single specific business process. The amount of work.

Specifically, the present invention can collect and generate a call history record for the interface signaling information in the service process, and the signaling information of the entire service process of the service processing device is stored in the call history record server, and the user can browse and view The call history of each service process can easily analyze the signaling process of a specific service. It is easy to perform signaling statistical analysis on the entire network, accurately locate signaling faults, and analyze the quality of the network. Moreover, since the present invention collects signaling information of the entire signaling process in a single service, the analysis and positioning can be performed regardless of whether the device is caused by a failure or a user-induced failure. The signaling information of the present invention can be classified and stored, so that when different types of problems are located, different types of information can be analyzed. Therefore, the present invention can not only analyze and locate the service signaling process, but also can be based on The collected signaling information guides the operator to optimize the network. In addition, the present invention can determine whether to generate a call history record according to a predetermined trigger condition when the service is terminated. For example, the call history record is generated only for the failed service, and the call history record is not generated for the successful business process with the majority. Moreover, the filtering condition can be set, and only the call history that meets the filtering condition can be sent to the call history server for processing. Therefore, the present invention can reduce the collection amount of signaling information and reduce the processing workload of the device that collects signaling information, and at the same time Reduce the analytical workload of staff and save costs. '

Specifically, the present invention can also collect and generate a call log for the service information in a service processing process of the service processing device, and the service information of the entire service process of the single service of the service processing device is stored in the call log server, and the user You can use the browse to view the call logs of each service process. It is easy to analyze the process of a single specific service. It is easy to accurately locate the internal faults of the service processing device. The service information of the present invention can be classified and stored, so that the positioning is different. When the type problem occurs, different types of information can be analyzed, so that it is easier to analyze and locate the business processes in the business processing device. In addition, since the present invention can determine whether to generate a call log according to a predetermined trigger condition when the service is terminated, for example, the call log is generated only for the failed service, and the call log is not generated for the successful business process with the majority of the number, and The filter condition is set, and only the call log that meets the filter condition can be sent to the call log server for processing. Therefore, the present invention can reduce the collection amount of service information, reduce the processing workload of the device that collects the service information, and reduce the analysis workload of the staff. , save costs. BRIEF DESCRIPTION OF THE DRAWINGS

1 is an architectural diagram of implementing call history records according to the present invention;

2 is a structural view of a first embodiment of the collection system of the present invention;

3 is a flow chart of a first embodiment of the collecting method of the present invention;

4 is a schematic diagram of an embodiment of setting a call history filter condition according to the present invention;

FIG. 5 is a flowchart of switching between 3G systems and 2G systems between different MSCs; FIG. 6 is a structural diagram of implementing call logs according to the present invention;

Figure 7 is a structural view of a second embodiment of the collection system of the present invention;

Figure 8 is a flow chart of a second embodiment of the collecting method of the present invention;

FIG. 9 is a schematic diagram of a specific example of collecting service information according to a second embodiment of the present invention; FIG.

FIG. 10 is a schematic diagram of an embodiment of setting a call log filtering condition according to the present invention. Mode for carrying out the invention

The present invention will be further described in detail below by way of specific embodiments and the accompanying drawings.

The information collecting system in the communication system of the present invention comprises: a service system and a recording system, wherein: the service system is disposed in a service processing device of the communication system, and is configured to notify the recording system to collect information when a new service is accessed, in the service The information in the process is sent to the record system for collection, and the record system is notified to generate the record when the service is terminated; the record system is used to collect the information sent by the service system, and generates a book composed of the collected information when the service is terminated. Record of secondary business.

The information collection method in the communication system of the present invention is: when the service processing device in the communication system processes a certain service, collects the processing information of the service processing device, and generates the collected information when the service is terminated. a record of the record, which is relative to the business Should.

The present invention is applicable to the collection of signaling information of all service processing devices in a communication system, such as a mobile switching center MSC, a VLR, a media gateway (MGW), or a gateway MSC (GMSC) in a WCDMA system. And devices such as a Home Location Register (HLR), a General Packet Radio Service (GPRS) Service Support Node (SGSN), a GPRS Gateway Support Node (GGSN), or a Short Message Service Center (SMSC). The invention will be described herein by taking an example of application to MSC. In addition to WCDMA systems, communication systems such as Next Generation Network (NGN), CDMA Softswitch, Multimedia Subsystem (IMS), etc., can employ the solution of the present invention.

For the collection of signaling information and service information, the present invention is described below in terms of different embodiments of the collection system and the collection method.

First, a first embodiment of the collection system and collection method of the present invention will be described.

In the first embodiment of the collection system, the service system is used for signaling between the service processing device and the external entity, in order to collect signaling information of the service processing device and the external entity interface signaling in the entire service process. The signaling service system of the service processing; the recording system is a call history recording system; the information that the signaling service system sends to the call history recording system for collecting is: in the signaling service processing process, the service processing device and the external entity Signaling information in the signaling interface; the record generated by the call history recording system is a call history record

The call history record (CHR) of the present invention is used to collect and record the service processing device and the external entity in the entire service process in a service process (such as a call, a short message, a handover, a multi-connection call, etc.) of the service processing device. The signaling information of the interface signaling (also referred to as trajectory information) combines the signaling information collected in the current service process into one call history record. It is used by the administrator to analyze the signaling process of this business process to locate faults. CHR is user-oriented, business-oriented, and business processing equipment is complete at one time. A record of the signaling interaction content in the business process.

FIG. 1 is a structural diagram of implementing a call history record according to the present invention. As shown in FIG. 1 , the present invention may set a CHR server, which may be set in a network management system or separately; when a service processing device (for example, an MSC) in a communication system processes a certain service, collect the The signaling information in the signaling interface of the service processing device and the external entity generates a CHR composed of the collected signaling information when the service is terminated, and sends the generated CHR to the CHR server for unified management. Users can log in to the CHR server through the CHR workstation to perform management analysis on the CHR. Based on these CHRs, the user can analyze the problem of the call, analyze the location problem through the message cell in the CHR, and use the corresponding means to troubleshoot the problem.

2 is a structural diagram of a first embodiment of the collection system of the present invention. Referring to Figure 2, the collection system includes a signaling service system 21, a call history system 22, and a call history server 23, wherein:

The signaling service system 21 is disposed in the service processing device (here, the MSC) of the communication system, and is used for performing signaling service processing between the service processing device and the external entity, and is used for accessing the service when there is new service access. The unit 211 notifies the call history recording system 22 to collect signaling information, and in the service processing process, the signaling interaction unit 212 of the signaling interface sends the signaling information exchanged between the service processing device and each signaling interface of the external entity to the call history. The recording system 22 collects, and the service termination unit 213 notifies the call history recording system 22 when the service is terminated;

The call history system 22 is configured to start collecting signaling information sent by the signaling service system 21 when the service starts, and generate a call history record of the current service composed of the collected signaling information when the service is terminated. The call history record server 23 includes: a call history activation unit 221, configured to receive a service access notification of the signaling service system 21, assign an identifier of the current call history record, and return the identifier to the service signaling system 21, And sending a startup instruction to the signaling information collection unit;

The signaling information collecting unit 222 is configured to collect the signaling information sent by the signaling service system 21; the call history generating unit 223 is configured to: after receiving the signaling service termination notification sent by the signaling service system 21, according to the signaling The signaling information collected by the information collecting unit 222 generates a call history record of the current service; the call history generating unit 223 further includes: a call history recording trigger unit 224, configured to receive the letter sent by the signaling service system 21 After the service termination notification is made, it is determined whether the call history record needs to be generated according to the preset trigger condition, and if necessary, the call history history generation unit 223 generates the call history record; otherwise, the call history record is not triggered. The trigger unit has a user-oriented trigger condition setting interface through which the trigger condition is set according to a user instruction.

The filtering buffer unit 225 is configured to buffer the currently generated call history record, and determine whether the call history record meets a preset filtering condition, and then continue to buffer and transmit to the code sending unit 226 for sending; otherwise, cancel the sending or reducing. The amount sent. The filter buffer unit 225 has a user-oriented filter condition setting interface through which the filter condition is set according to a user command.

The code transmitting unit 226 is configured to encode the generated call history record according to a predetermined encoding format and send it to the call history record server 23.

The call history server 23 is used to receive the stored call history for unified management.

3 is a flow chart of a first embodiment of the collection method of the present invention. Referring to FIG. 3, the process of this embodiment specifically includes:

Step 31: When the service processing device receives the service establishment request from the external entity (that is, when there is new service access), the call history record is started. For example, when receiving a CM Service Request message from an A interface or an Iu interface, or relaying an incoming IAM message, or an E-interface switching incoming request MAP-Prepare-Handover-Request, a new service processing flow at this time The process is initiated in the service processing device. At this time, the signaling service system 21 applies to the call history system 22 to initiate a call history record. The historical call record system assigns a call history record identifier to the service, and returns to the signaling service system 21. , the process of starting the collection of signaling information of the call history.

Step 32: Collecting signaling information. After the signaling service system 21 initiates the call history record, the signaling information in the signaling interface between the service processing device and the external entity is collected in the service flow, that is, the signal in the signaling interface between the service processing device and the external entity. The information is output to the call history system 22 in the form of a message, the call history record identified as a handle to the signaling information, and the call history system 22 records the collected signaling information.

The signaling information includes, in particular, key information that causes the signaling process to fail: for example, the cause of the failure of the signaling process, the related interface message that the signaling process fails, and the like, and the necessary basic information of the service process, for example, :

1) MS information: Record some basic information of the mobile user when the service process occurs, including the identity of the primary and called users, and the type of user access.

2) Location information: The location information of the mobile phone of the calling party and the access network identifier when the service process occurs.

3) Procedure information: Record the type of this business process, the value of the business failure reason, etc.

4) System information: Record some basic information of the system when the business process occurs, such as system time, time of abnormal business process start, time of abnormality, system identification, system access capacity, etc.

5) Extend information: Some extended information defined by the service processing device itself, the structure is fixed, and the content can only be interpreted by the service processing device itself.

In addition, the signaling information includes a signaling related message in the service process, including: all A interface messages and IU interfaces in the abnormal service process when interacting with other devices Information such as message, mobile application part (MAP) interface message, ISUP interface message, bearer independent call control (BICC) interface message, and message content.

Preferably, the signaling information collected in this step may be all interaction signaling between the service processing device and the external entity in the entire service process.

Step 33: Call history generation. When a business process is terminated, the call history system 22 needs to generate a call history record consisting of the collected signaling information corresponding to the service. In the present invention, the signaling information in the call history record can be classified and stored, so that when different types of problems are located, different types of information can be analyzed, for example, the mobile user information, the mobile user location information, the flow information, and the system. Classified storage of information, extended information, etc.

In the present invention, the trigger condition for generating the call history record may be preset by the user; when the current service is terminated, it is determined whether the call history record needs to be triggered according to the trigger condition, and the call history record of the current service is generated, otherwise This process is terminated without generating a call history for this service. The triggering condition can be set as the processing result of the current service. If the current service processing fails, the call history record of the current service needs to be triggered, otherwise the call history record of the current service is not triggered. Therefore, for a successful business process with a large majority, there is no need to generate a call history.

Step 34: Filter and cache the call history. The present invention can set the filtering condition in advance by the user, and further determine whether the call history record satisfies the filtering condition before sending the call history record to the call history server 23, and if the filtering condition is satisfied, the call history record is sent to the call history record server 23, and execution is performed. Step 35; Otherwise, the call history record is not sent to the call history server 23, and the flow is ended.

FIG. 4 is a schematic diagram of an embodiment of setting a call history filter condition according to the present invention. Referring to FIG. 4, the user can set a filtering condition through a user-oriented interface. The setting mode provided by the interface mainly includes two parts: First, setting a signaling type, for example, The filtering is relay signaling, service signaling, A interface signaling, or IU interface signaling, etc. Secondly, the message type of the signaling type is set, for example, for relay signaling, further filtering conditions can be set. It is a relay signaling normal message type or a relay signaling abnormal message type. For IU interface signaling, further filtering conditions may be set for the IU interface signaling normal message type or the IU interface signaling abnormal message type. After the generated call history record is input, it is filtered by two layers of signaling type and message type, and then output to the cache for transmission. For example, if the filtering condition set by the user is that the signaling type is IU interface signaling and the message type is IU interface signaling abnormal message type, it is determined whether the generated call history record includes IU interface signaling and the message type is an IU interface letter. Let the exception message type, if yes, send the call history, otherwise the call history will not be sent.

Figure 4 is only an illustration of the filtering conditions. The present invention can also provide other setting interfaces for the user to set different filtering conditions: For example, the MSC can be required to record the history of calls having a call time of more than 2 hours.

Filtering the call history can facilitate the user to analyze and locate the fault flexibly. For example, if a fault has been diagnosed clearly, the signaling output of the fault can be cancelled by setting the filter condition, which can reduce the call history output. , reduce the workload, reduce costs.

Step 35: Call history encoding and sending. The call history record needs to be encoded according to a pre-defined format standard when outputting to the call history server 23. For example, the text, the second system or the ASN.1 format may be used, and then encoded and sent to the call history record server 23, by the call. The history server 23 performs unified management. The communication scheme between the network device and the call history server 23 can be reduced by using an appropriate coding scheme, thereby improving the overall efficiency of the system.

Based on the above technical solutions and beneficial effects, the collection system and the collection method can be specifically applied in the following aspects:

】5 1) When the ViSC device is commissioned, it often encounters a business process failure. At this point, it is important to quickly locate the problem and resolve the failure. By using the CH recording technique of the present invention, the positioning failure can be achieved more quickly than other methods, and the purpose of the failure can be solved.

2) When the MSC device is connected to other network element nodes, it often encounters the failure of the connection. If there are more signaling connections between the two devices that fail to connect, the signaling analyzer cannot be used for all links. One-to-one connections and picking up exception messages from the vast amounts of data collected. At this time, the CHR recording technology of the present invention can be used to record the business process of the abnormal signaling message of the specific test mobile phone, and the abnormal message information, so as to quickly analyze the positioning fault.

3) In the early stage of 3G network operation, there are often some cases where the key performance indicator (KPI) indicators are not ideal, such as location update success rate, call success rate and so on. At this point, you need to find out the reasons and improve these metrics to improve network quality and customer satisfaction. By using the CHR recording technology of the present invention, analyzing the location update process and the call flow of the mobile phone can solve the problem of the KPI indicator.

4) After the 3G network is built and running for a period of time, some new services will be launched, such as the prepaid features of postpaid users. At this point, you need to analyze the behavior of a particular phone. By using the CH recording technology of the present invention, the service signaling process of a specific mobile phone can be analyzed, and the usage of the new service can be clearly grasped, and the problem can be quickly solved.

A specific example of signaling flow failure analysis using the signaling information collected by the present invention is described below:

If a 3G mobile phone customer has dropped calls during the call in the city, but the specific address of the dropped call cannot be determined, according to these circumstances, it can be judged that the mobile phone handover fails, but the information provided by the customer cannot determine the cause of the failure and The specific location where the failure occurred is difficult to analyze the cause of the failure from the specific access side. From the performance statistics of the ViSC side, it can be seen that there is a record of the handover failure between the MSC systems (switching from the 3G MSC to the 2G MSC), and the failure reason is recorded as an invalid cell, but the performance statistics cannot give further information. For analysis. FIG. 5 is a flow chart of switching between 3G systems and 2G systems between different MSCs. Referring to Figure 5, according to the protocol, the invalid cell failure of the inter-system handover occurs in the MAP-Prep-Handover resp. message, indicating that the MSC-B (in this case, the 2G MSC) considers the MSC-A it receives (in this example) The destination cell in the MAP-Prep-Handover req. message of the 3G MSC is not under its control or controlled by it.

At this point, the call history generated by the present invention can be used to analyze and resolve this fault location problem. The CHR record for this phone can be found on the CHRJI server based on the user's mobile number. Open the CHR record of the 3G MSC, and find that the failure point in the record is sent to the MAP-Prep-Handover resp. message sent by the 2G MSC to the 3G MSC (ie, the local office), and the CHR record also has a record of the process, so The request message corresponding to the resp message can be found: that is, the MAP-Prep-Handover req. message sent from the 3G MSC, and the record of the message can be found that the destination cell information sent by the 3G MSC is 46000 0025 0001; The configuration of the 3G MSC obtains the number of the MSC corresponding to the destination. After the information is fed back, the data is checked by the 2G MSC and the data on the 3G MSC cannot be correctly mapped (for example, the cell on the 2G MSC side has moved out to another MSC, but it is not Notifying the 3G MSC to modify the corresponding neighbor configuration), thus causing the 3G MSC to fail to send a handover request message to the correct MSC.

According to the information provided by the 2G MSC side, the neighboring area data on the 3G MSC can be modified, so that the data on the 2G MSC and the 3G MSC are correctly matched, thereby ensuring successful handover.

Next, a second embodiment of the collecting system and collecting method of the present invention will be described.

In a second embodiment of the collection system, the service system is a service system for performing service processing; and the recording system is a call log system; The information that the service system sends to the call log system for collecting is: the service information processed by the service processing device in the current service process; the record generated by the call log system is a call log. The call log of the present invention is used to collect and record the service information of the service processing device in the entire service process in a service process (such as a call, a short message, a handover, a multi-connection call, etc.) of the service processing device (also It can be called track information), and the business information collected in this business process is combined into one call log. It is used by the administrator to analyze the business processes in the service processing device of the current business process, thereby locating faults inside the service processing device. The call log is user-oriented, business-oriented, and is a record of business process equipment's business information content in a complete business process.

FIG. 6 is a structural diagram of implementing a call log according to the present invention. As shown in FIG. 6, the method of the present invention can set a call log server, which can be set in the network management system or can be set separately; when a service processing device (for example, MSC) in the communication system processes a service Collecting the service information in the internal service processing flow of the service processing device, generating a call log composed of the collected service information when the service is terminated, and sending the generated call log to the call server through a standard protocol message. Conduct unified management. The user can log in to the call log server through the call log workbench to perform management analysis on the call log, analyze the problem of the call according to the call logs, analyze the positioning problem through the message cell in the call log, and eliminate the fault by corresponding means. .

Figure 7 is a block diagram of a second embodiment of the collection system of the present invention. Referring to Figure 7, the collection system includes a service system 71, a call log system 72, and a call log server 73, wherein:

The service system 71 is disposed in the service processing device (here, the MSC) of the communication system, and is used for performing service processing, and is used by the service access unit 711 to notify the call log system 72 to collect service information when there is new service access. During the service processing, the service processing unit 712 sends the service information of the service processing device to the call log system 72, and the service termination unit 713 notifies the call log system 72 when the service is terminated.

The call log system 72 is used to initiate the business sent by the collection service system 71 at the beginning of the service. The service information, and the call log of the current service, which is composed of the collected service information, is sent to the call log server 73 when the service is terminated;

The call log starting unit 721 is configured to receive a notification of the new service access of the service system 71, and send a startup instruction to the service information collection unit;

The service information collecting unit 722 is configured to collect the service information sent by the service system 71. The call log generating unit 723 is configured to receive the service information collected by the service information collecting unit 722 after receiving the current service termination notification sent by the service system 71. The call log generating unit 723 further includes: a call log triggering unit 724, configured to determine, according to a preset trigger condition, whether to generate a call after receiving the current service termination notification sent by the service system 71 The log, if necessary, triggers the call log generation unit 723 to generate a call log, otherwise, does not trigger the generation of the call log. The trigger unit has a user-oriented trigger condition setting interface through which the trigger condition is set according to a user instruction.

The filtering buffer unit 725 is configured to cache the currently generated call log of the current service, and determine whether the call log meets the preset filtering condition, and then continue to buffer and transmit to the code sending unit 726 for sending; otherwise, cancel the sending. Or reduce the amount of transmission. The filter buffer unit 725 has a user-oriented filter condition setting interface through which the filter condition is set according to a user instruction.

The code sending unit 726 is configured to encode the generated call log according to a predetermined encoding format and send it to the call log server 73.

The call log server 73 is configured to receive and store the call logs for unified management, and can perform retrieval, classification, statistics, and in-depth mining analysis on service faults.

Figure 8 is a flow chart of a second embodiment of the collection method of the present invention. Referring to FIG. 8, the process of this embodiment specifically includes:

Step 81: When the service processing device receives a new service establishment request from an external entity (that is, when there is a new service access), the call log is started. Such as receiving from the A interface, Iu interface When a CM Service Request message is received, or an incoming IAM message is relayed, or an E-interface is switched to the IPS-Prepare-Handover-Request, a new service process is started in the service processing device, and the service system is started. 71, the call log system 72 is applied to initiate a call log, and the call log system assigns a call log identifier to the service, and returns to the service system 71 to start the process of collecting service information of the call log. The service information about the current service sent by the subsequent service system 71 to the call log system 72 is indexed with the assigned call log identifier as a handle.

Step 82: Collect business information. After the service system 71 starts the call log, the service information in the service processing device is collected in the current service process, and the key information in the service processing flow is output to the call log system 72 in the format of the message for recording. The call log identifier is used as a handle to these service information, and the call log system 72 records the collected service information.

In the service information, in particular, key information that causes the failure of the signaling process is included: for example, the type of the service and the cause of the failure of the service processing process.

FIG. 9 is a schematic diagram of a specific example of collecting service information according to the second embodiment of the present invention, where the service processed in the specific example is a connection management (CM) service. Referring to FIG. 9, after receiving the CM service request message (ie, CM Service Request) of the BSC, the MSC-S (ie, the service processing device) starts to perform service processing, and sends service information to the call log system while performing service processing. The following steps:

Step 901 to step 902: After receiving the CM Service Request message, the MSC-S sends the service type of the service to the call log system to collect and record the call log, and the log system allocates the current log. The call log identifier of the service returns a response carrying the call log identifier to the MSC-S, and the MSC-S continues the processing of the service after receiving the response from the call log system.

Step 903 to step 904, after completing the encryption determination process, the MSC-S sends the addition to the BSC. The Ciphering Command sends the encrypted information related to the processing to the log system for collecting and recording. After the BSC returns the encryption completion message (Ciphering Complete), the related encryption completion information is sent to the log system for collection and recording. Step 905: After receiving the call setup message (Setup) of the terminal, the MSC-S sends information such as the called number to the call log system for recording, and then continues the service processing, and returns a Call Proceeding message to the BSC.

Step 906: After the MSC-S sends the process of adding the endpoint request message ADD.req (Tl, $) to the MGW, and the MGW returns the process of adding the endpoint response message ADD.reply (Tl), the MSC-S sends the calling side bearer related to the process. Information to the call log system for collection and recording;

Step 907: The MSC-S sends an assignment request to the BSC. After the BSC returns the assignment failure message with the assignment failure reason information, the MSC-S sends the assignment failure reason to the MSC-S. The call log system collects records.

Step 908: After returning the detach message Disconnect, the MSC-S sends the call release information to the call log system for recording.

Step 909: After the service ends, the MSC-S notifies the log system to end the collection of the service information of the current service, and generates the collected service information (that is, the recorded service type, the encrypted information, the encryption completion information, and the called party). Number information, calling side bearer information, record assignment failure information, call failure reason information, etc.) This service call log.

Preferably, the service information collected in this step may be all service information processed by the service processing device during the entire service process.

Step 83: Call log generation. When the current business process is terminated, the call log system 72 needs to generate a call message composed of the collected service information, and the call log corresponds to the service, and the call log identifier is used as a handle. In the present invention, the service information in the call log can be classified and stored, so that when locating different types of problems, the information can be focused. Different types of information are analyzed, for example, the above service types, called numbers, and calling side bearer information are stored in categories.

In the present invention, the trigger condition for generating a call log may be set in advance by the user; when the current service is terminated, it is determined according to the trigger condition whether the call log needs to be triggered to be generated, and the call log of the current service is generated, otherwise the call log is not generated. The call log of this service ends the process. The triggering condition can be set as the processing result of the current service. If the service processing fails, the call log of the current service needs to be triggered. Otherwise, the call log of the current service is not triggered. Therefore, for a successful business process with a large majority, there is no need to generate a call log.

Step 84: Filter and cache the call log. The present invention can set the filtering condition in advance by the user, and further determine whether the calling message meets the filtering condition before sending the call message to the call server 73. If the filtering condition is met, the call log is sent to the call log server 73, and step 85 is performed. Otherwise, the call log is not sent to the call log server 73, and the process ends.

FIG. 10 is a schematic diagram of an embodiment of setting a call log filtering condition according to the present invention. Referring to FIG. 10, a user can set a filtering condition through a user-oriented interface. The setting mode provided by the interface mainly includes two parts: First, setting a service type, for example, a voice call service, a video call service, a handover service, and the like, The location update service, or the short message service, etc.; the second is to set the cause of the failure of the service, for example, the need to filter may be the caller early release, dialing error, ringing early release, no available circuit, paging no response, etc. the reason. After the generated call log is input into the filter buffer unit, it is filtered by the service type and the failure reason, and then output to the cache for transmission. For example, if the service type is a voice call and the failure type is a dialing error, it is determined whether the service information collected in the call log is a voice call service and a dialing error occurs. If yes, the output is sent to the cache. Otherwise, the call log is not output. Figure 10 here is only for the filter conditions As an example, the present invention can also provide other setting interfaces for the user to set different filtering conditions: For example, the service establishment start time can be used as the filtering condition.

The call log is filtered. On the one hand, it considers the service failure caused by user behaviors such as the caller's early release and the called party's refusal to respond to certain failed processes. It is not necessary to perform specific analysis through the call log. On the other hand, if the cause of a fault has been diagnosed clearly, a large amount of call log output can be reduced by filtering, reducing the occupation of system resources and reducing the analysis workload.

Step 85: Call log encoding and sending. The call log needs to be encoded according to a pre-defined format standard when outputting to the call log server 73. For example, it can be in text, binary or ASN.1 format, and then sent to the call log server 73 for unified management by the call log server 73. . The appropriate coding scheme can reduce the communication traffic between the network device and the call log server 73, and improve the overall efficiency of the system.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope of the present invention. All should be covered by the scope of the present invention.

Claims

Claim

An information collecting system in a communication system, characterized in that the collecting system comprises: a business system and a recording system, wherein:

The service system is disposed in the service processing device of the communication system, and is configured to notify the recording system to collect signaling information between the service processing device and the external entity during the processing of the current service when the new service is accessed, or collect the internal processing service device. The processed business information is sent to the recording system, and the recording system is notified to generate a record when the business is terminated;

The recording system is used to collect information sent by the business system, and generates a record of the current business composed of the collected information when the business is terminated.

2. The collection system according to claim 1, wherein the service system is a signaling service system for performing signaling service processing between a service processing device and an external entity; the recording system is a call history record. The information collected by the signaling service system and sent to the call history recording system is: signaling information in a signaling interface between the service processing device and the external entity in the signaling service processing process; the call history recording system The generated record is the call history.

The collection system according to claim 2, wherein the call history recording system specifically includes:

a signaling information collecting unit, configured to: after the startup, the signaling signaling call history generating unit sent by the signaling service system is configured to: after receiving the service termination notification sent by the signaling service system, according to the signaling information collecting unit The collected signaling information generates a call history record of the current service.

The collection system according to claim 3, wherein the call history record generating unit further comprises: a triggering unit of the call history, configured to: after receiving the service termination notification sent by the signaling service system, Whether the call history record needs to be generated is determined according to a preset trigger condition, and the call history generation unit is triggered to generate a call history record if necessary, otherwise, the call history record is not triggered.

5. The collection system of claim 2, wherein

The collection system further includes a call history record server for receiving a stored call history record for unified management;

The call history recording system further includes a code transmitting unit for encoding the generated call history record in accordance with a predetermined encoding format and transmitting the call history record to the call history server.

The collection system according to claim 5, wherein the call history recording system further comprises: a filtering buffer unit, configured to cache the currently generated call history record of the current service, and determine the call Whether the history records meet the preset filtering conditions, if yes, continue to cache and transmit to the code sending unit for sending; otherwise, cancel the sending.

The collection system according to claim 1, wherein the service system is a service system for performing service processing; the recording system is a call log system; and the service system is sent to a call log system for collection. The information is: the service information processed by the service processing device in the current service process; the record generated by the call log system is a call log. ·

The collection system according to claim 7, wherein the call log system specifically includes:

a service information collection unit, configured to collect service information sent by the service system after startup; The call log generating unit is configured to generate a call log of the current service according to the service information collected by the service information collecting unit after receiving the current service termination notification sent by the service system.

The collection system of claim 8, wherein the call log generating unit further comprises: a triggering unit of the call log, configured to: after receiving the current service termination notification sent by the service system, according to the preset The trigger condition determines whether a call log needs to be generated, and if necessary, triggers the call log generation unit to generate a call log of the current service, and does not trigger the generation of the call log.

10. The collection system of claim 4 or 9, wherein the triggering unit has a triggering condition setting interface facing the user, and the triggering device is set according to the user instruction through the interface.

11. The collection system of claim 7 wherein:

The collection system further includes a call log server for receiving a storage call log for unified management;

The call log system further includes a code transmitting unit for encoding the generated call message in accordance with a predetermined encoding format and transmitting the call message to the call log server.

The collection system according to claim 11, wherein the call system further comprises: a filtering buffer unit, configured to cache the currently generated call log, and determine whether the call log meets a preset The filter condition is that the buffer is continued and transmitted to the code sending unit for transmission; otherwise, the transmission is cancelled.

The collection system according to claim 6 or 12, wherein the filter buffer unit has a filter condition setting interface facing the user, and the filter condition is set according to the user instruction through the interface.

14. The collection system according to claim 1, wherein the service processing device is a mobile switching center, a visited location register, a media gateway, a gateway mobile switching center, and a local location register in a wideband code division multiple access system. , general packet radio service GPRS industry Service support node, GPRS gateway support node, or short message service center.

15. A method of collecting information in a communication system, characterized in that

The information collecting method according to claim 15, wherein when the collected information is the signaling information in the signaling interface of the service processing device and the external entity, the method specifically includes: when the service processing When the device receives the new service establishment request from the external entity, the process of collecting the signaling information is started. When the service is terminated, the collection of the signaling information is stopped, and the call history record of the current service is generated.

The information collecting method according to claim 16, wherein the method further comprises: setting a trigger condition for generating a call history record; determining, when the current service is terminated, whether trigger generation is required according to the trigger condition The call history record is the step of executing the subsequent call history record of the current service. Otherwise, the call history record of the current service is not generated, and the process ends.

18. The information collecting method according to claim 16, wherein the method further comprises: setting a call history record server; and transmitting the generated call history record to the call history record server for unified management.

The method of collecting information according to claim 18, wherein the method further comprises:

The information collecting method according to claim 15, wherein when the collected information is the service information processed by the service processing device, the method specifically includes:

The method of claim 20, further comprising: setting a trigger condition for generating a call log; determining, when the current service is terminated, whether to trigger the generated call according to the trigger condition The log is the step of executing the subsequent call log for generating the service. Otherwise, the call log of the current service is not generated, and the process ends.

The information collecting method according to claim 20, wherein the method further comprises: setting a call log server; and transmitting the generated call log to the call log server for unified management.

The method of collecting information according to claim 22, wherein the method further comprises:

Setting a filter condition; further determining whether the call log meets the filter condition before sending the call log to the call log server, and if yes, performing the subsequent step of sending the call log to the call log server; otherwise, the call is not sent to the call log server Log, end this process.

The information collecting method according to claim 20, wherein the service processing device is a mobile switching center server MSC-S in the third generation mobile communication system; and the service processed by the MSC-S is a connection. The CM service is managed; the specific process of collecting the service information processed by the MSC-S includes:

After the MSC-S receives the CM service request message sent by the base station controller BSC related to the service, the process of collecting the service information is started, and the service type of the service is recorded. B. After the MSC-S completes the encryption determination process and sends the encryption command message to the BSC, records the encryption information related to the process; when the BSC returns the encryption completion message to the MSC-S, the MSC-S records the related encryption. Complete the information;