CN100372419C - System and method for analyzing call in mobile communication system - Google Patents
System and method for analyzing call in mobile communication system Download PDFInfo
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- CN100372419C CN100372419C CNB2005101243567A CN200510124356A CN100372419C CN 100372419 C CN100372419 C CN 100372419C CN B2005101243567 A CNB2005101243567 A CN B2005101243567A CN 200510124356 A CN200510124356 A CN 200510124356A CN 100372419 C CN100372419 C CN 100372419C
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Abstract
The present invention discloses a system for analyzing calls in a mobile communication system, which comprises a network element, a CHR Server and an NMS, wherein the network element is used for acquiring call log information and reporting the call log information, which meets filter conditions appointed by the network element and the CHR Server ruling the network element in advance, to the CHR Server. The CHR Server is used for collecting and storing the call log information reported by the network element, analyzing monitored calls according to the call log information and reporting the call log information to the NMS, and the NMS is used for collecting the call log information of the CHR Server ruled by the NMS and analyzing monitored calls. The present invention also provides a method for analyzing calls in a mobile communication system, can analyze calls which have happened to locate failures and abnormal conditions in the calls which have happened, and also has the advantages of low cost, small data quantity, automatic monitoring and analyses for call information, etc.
Description
Technical field
The present invention relates to operation and maintenance technical field in the communication system, particularly analyze the system and method for calling out in the mobile communication system.
Background technology
Mobile communications network is a kind of communication system the most complicated in the communication network, mobile subscriber's mobility has been brought much problems about roaming, switching, cover, if in time call out, solve the problem that the mobile subscriber runs in the analyzing and positioning mobile communication, will reduce calling quality, thereby bring very big influence for customer satisfaction, the reputation of operator.
In mobile radio communication, be used for the prior art of positoning call fault and network failure to mainly contain: concentrate technology such as monitoring signaling, usertracking.
Prior art one: concentrate the monitoring signaling scheme
The signaling centralized monitoring system is gathered signaling data by the high-ohmic cross-connection mode from the signaling link of bearer service network, and analyze and add up, the operation conditions that can comprehensively reflect business network, maintenance, optimization and dilatation for network, and the quality monitoring of interconnecting between operator net provides foundation, and can be planning professional, work out management strategy Back ground Information be provided.
But concentrate the monitoring signaling scheme to have following shortcoming: monitoring signaling will extract each bar information of every link, therefore have the information of magnanimity, and signaling monitoring system is difficult in time handle the data of magnanimity; Will articulate measuring instrument on all signaling links, increase the cost of monitoring signaling, if use this method in the 3G system, cost will be higher; Monitoring signaling can only extract the standard cell on the standard interface, and the information of internal system is known nothing, thereby detailed information that can't analytical system inside is difficult to all sessions in the related same call.
Prior art two: follow the tracks of (Trace) usertracking scheme
User and travelling carriage Trace are at operation and maintenance center (Operation ﹠amp; MaitenanceCenter OMC) goes up a kind of function that realizes.It provides on the calling level carries out the application of detailed signaling tracing to one or more appointment travelling carriages, and these data are that the extra of performance management data replenished, and can be used to network is further monitored and optimization.Tracking is activated by user command, and to realize that in finite time particular analysis is a purpose.
But the Trace scheme has following shortcoming: the number of users of monitoring is limited, generally can only monitor tens users simultaneously; Can't open monitoring automatically, need the manual unlocking monitoring; Historical call information that can not recording user can only be monitored the network failure that can reappear, and does not promptly have back track function.
Summary of the invention
In view of this, the present invention proposes a kind of system and method for calling out in the mobile communication system of analyzing, its purpose is, can analyze the calling that has taken place.Further purpose of the present invention is, locatees fault in the bid and unusual, and reduces the cost that analyzing and positioning is called out, and controls the data volume of required call information and can realize monitoring automatically.
According to above-mentioned purpose, the invention provides a kind of system of calling out in the mobile communication system that analyzes, this system comprises: network element, be used to gather call journal information, the call journal information that satisfies the filtercondition that this network element and the call history record server (CHR Server) of this network element of administration make an appointment is reported described CHR Server; CHR Server is used to collect, store the call journal information of each reported by network elements, and according to call journal information the calling under its monitoring is analyzed, and call journal information is reported network management system (nms); NMS is used to collect the call journal information that it administers interior CHR Server, and the calling under its monitoring is analyzed.
Described network element comprises: function veneer module is used to gather call journal information, and the call journal information of being gathered is directly reported the CHR Server of the described network element of administration.
In addition, described network element comprises: function veneer module is used to gather call journal information, and the call journal information of being gathered is sent to call history record agency (CHR Agent); CHR Agent is used for described call journal information is reported the CHR Server that administers this network element.
In such scheme, described network element is other network element arbitrarily in Mobile Switching Center Server, media gateway, support GPRS node, gateway general packet radio service node, radio network controller or attaching position register and the WCDMA mobile communication system.
Described CHR Server comprises: CHR Server module, be used to receive call journal information, and described call journal information is stored into call history database (CHR DB), sends to call history client (CHR Client) and sends to NMS from network element; CHR DB is used for the stored calls log information; CHR Client is used for according to call journal information Treatment Analysis being carried out in the calling under this CHR Server monitoring.
Preferably, this system further comprises: standby CHR Server, and be used to utilize the heartbeat line to monitor the operating state of described CHR Server, take place when unusual when monitoring described CHR Server, replace described CHR Server work.
In technique scheme, described CHR Server is further used for providing call journal information to third party's instrument.
The filtercondition that described network element and CHR Server make an appointment is: report all call journal informations, report the all-calls log information in the designated cell, report the call journal information of designated call failure cause, report the all-calls log information of designated user, report the all-calls log information in the fixed time section, the call journal information that reports fault to call out, report the call journal information of abnormal call, report the call journal information of the standard signaling interface of designated user, report the call journal information of predetermined detailed levels, report any one information or the combination in any among them in the call log record.
When described CHR Server was equipment management system EMS a part of, described network element reported call journal information by the network management path between this network element and the EMS.
Described CHR Server is further used for locating the fault of the calling of being analyzed with unusual; And/or described NMS is further used for locating the fault of the calling of being analyzed with unusual.
Described CHR Client is further used for locating the fault of the calling of being analyzed with unusual.
The present invention also provides a kind of method of calling out in the mobile communication system of analyzing, and this method comprises:
A. network element is gathered call journal information, and the call journal information that will satisfy the filtercondition that the call history record server CHR Server of this network element and this network element of administration makes an appointment reports described CHRServer; B.CHR Server analyzes the calling under its monitoring, and described call journal information is reported NMS according to the call journal information that is received; C.NMS analyzes the calling under its monitoring according to the call journal information that is received.
This method further comprises: CHR Server is handed down to the network element of being administered with described filtercondition; Or NMS is handed down to the CHR Server that is administered with described filtercondition, and CHR Server is handed down to filtercondition the network element of being administered.
Described CHR Server further locatees the fault of the calling of being analyzed with unusual; And/or described NMS further locatees the fault of the calling of being analyzed with unusual.
From such scheme as can be seen, because the present invention utilizes the network element collection and reports call journal information, CHR Server and NMS call out according to the call journal information analysis that reported, thereby can analyze the calling that has taken place, further can locate fault in the bid and unusual.And each part of the present invention can be integrated in existing equipment inside, does not need other equipment to gather signaling link information, can realize the round-the-clock track record in full sub-district automatically.The amount of information of the present invention's record is few, only is the informative abstract after the original coding source codec is handled, can also be further according to carrier customization information.And compared with prior art, monitoring cost of the present invention is lower, can use the call flows of existing equipment itself in addition and analyze, and the cost of setting up a cover analysis logic than other is low.The present invention can gather any information in the calling procedure, comprises non-standard interface, internal information.The present invention can reduce the complexity of backstage analysis tool, and the backstage analysis tool can be easy to find out the association messages and the rapid fault location and unusual of same call.In a word, the present invention has a wide range of applications in a plurality of fields such as network failure analysis, performance evaluation, customer complaint processing, user behavior analysis.
Description of drawings
Fig. 1 is the Organization Chart according to system of the present invention;
Fig. 2 is the internal structure schematic diagram of the network element among the embodiment provided by the present invention;
Fig. 3 is the structural representation of the equipment control layer among the embodiment provided by the present invention;
Fig. 4 is the structural representation of the NML among the embodiment provided by the present invention;
Fig. 5 is the schematic diagram of the given filter condition among the embodiment provided by the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in more detail by the following examples.
Provided herein is a kind ofly inner to realize in mobile communication system, be used for analyzing the calling of mobile communication system and can further locate the technical scheme of call exception and fault in the mobile communication system, this scheme is by record and analyze running orbit and the state parameter of calling out in the mobile radio communication, the accurate errorless reason of orienting call failure, and solve the problem that the user runs into rapidly.
With reference to figure 1, system provided by the present invention can be divided into three aspects: network element (networkelement, NE) layer, equipment control (equipment management) layer and network management (networkmanagement) layer.
Network Element Layer comprises network element, network element is responsible for gathering call journal information, and according to call history record server (the Call History Record Server of network element with this network element of administration, CHR Server) filtercondition of making an appointment reports its CHRServer of administration with the call journal information that satisfies this filtercondition.Filtercondition described here is represented to be applied to different scenes, and particular content will be explained hereinafter.
As shown in Figure 1, network element can be Mobile Switching Center Server (Mobile Switching CenterServer, MSC Server), media gateway (Media Gateway, MGW), support GPRS node (Support GPRS Service Node, SGSN), gateway general packet radio service node (Gateway GPRS Service Node, GGSN), radio network controller (RadioNetwork Controller, RNC) or attaching position register (Home Location Register, HLR) or the like any network element in Wideband Code Division Multiple Access (WCDMA) (WCDMA) mobile communication system.
Fig. 2 is the internal structure schematic diagram of network element.With reference to Fig. 2, the inside of network element comprises function veneer module (Function Board) and call history record agency (CHR Agent).Function Board is responsible for gathering call journal information, and according to the CHR Server filtercondition of making an appointment of this network element with this network element of administration, the call journal information that satisfies this filtercondition is sent to CHR Agent, report the CHR Server of this network element of administration by CHR Agent.CHR Agent to the call journal information buffer memory that receives after, interface or the internal interface by standard reports CHRServer with call journal information again.Certainly, also can be embedded into CHR Agent among the Function Board, after promptly FunctionBoard gathered call journal information, the call journal information that directly will satisfy filtercondition sent to CHR Server.
Because CHR Server and equipment management system (EMS) are in same aspect, CHR Server can be used as an EMS part in logic, so can utilize between EMS and the network element existing network management path from the reported by network elements call journal information.Certainly, network element also can use new physical link and CHRServer to connect, and reports call journal information.
The equipment control layer is then described.The equipment control layer comprises CHR Server.The call journal information of the reported by network elements that CHR Server collection storage is administered is analyzed the calling under its monitoring according to call journal information, thereby the fault in the calling of location is with unusual, and CHR Server can also report NMS with call journal information.
With reference to Fig. 3, CHR Server comprises CHR Server module, call history database (CHRDB) and call history client (CHR Client).Wherein, CHR Server module receives the call journal information from network element, store these call journal informations into CHR DB, and send to CHR Client, and CHR Server module can also report NMS with call journal information.CHR DB is used for the stored calls log information, can also further provide call journal information to third party's instrument, so that third party's instrument carries out other analysis.The call journal information that CHR Client sends according to CHR Server module is analyzed the calling under the CHR Server monitoring.
Consider the redundancy backup of CHR Server, active and standby CHR Server can be set.As shown in Figure 1, two CHR Server receive the call journal information from network element among Fig. 1, but have only a CHR Server in running order, the operating state of heartbeat line monitoring the other side between another CHR Server passes through, take place to replace the other side immediately and enter operating state when unusual when finding the other side.In this case, CHR Server module among Fig. 3 just further is connected with the CHR Server module of mutually redundant CHRServer by the heartbeat line, and monitoring the other side's operating state, when finding that the other side takes place to replace the other side immediately and enter operating state when unusual.
Next, NML is described.With reference to Fig. 4, the network management system (nms) of NML is connected with the CHR Server of its administration, collect the call journal information that CHR Server reports in its administration, and can analyze the calling under its monitoring, thus the fault in the calling of location and unusual.
The scene of reported by network elements call journal information is described below, is equivalent to the filtercondition of foregoing reported by network elements call journal information.As shown in Figure 5, these filterconditions can be handed down to network element from CHR Server in advance, and the CHR Server condition output command that also can issue from NMS by northbound interface or other interface in advance, i.e. filtercondition.
Situation 1: filtercondition is to report all call journal informations.Network element writes down all call journal informations, according to and CHR Server between interface rules, the all-calls log information is reported CHR Server, be used for the analysis and the fault location of the whole network.
Situation 2: filtercondition is the call journal information that reports all users of designated cell, office direction, relaying etc.With the designated cell is the example explanation, and network element reports CHR Server with the all-calls log information in the designated cell, thereby can be used for the various call analysis based on the sub-district.
Situation 3: filtercondition is the call journal information that reports all users of specified fault cause value.For example, the call journal information that network element is called out the fault of designated call failure cause reports CHRServer, thereby can be used for analysis, location to this fault calling.
Situation 4: filtercondition is the call journal information that reports designated user.For example, can specify certain user's tracking on CHR Server, network element all reports CHR Server with these users' all-calls log information, thereby can analyze the user's of these appointments calling.
Situation 5: filtercondition is the all-calls log information that reports in the fixed time section.For example, can specify a certain period on CHR Client, the all-calls information of network element in should the time period reports, thereby can be used to carry out performance, accident analysis with time correlation.
Situation 6: filtercondition is the call journal information that reports failure classes to call out.In order to reduce influence, can be only the call journal information of fault, abnormal call be reported CHRServer to performance of network equipments.For example, the calling that network element acquiescence monitoring is all, when calling out wrong the same that the mistake that takes place and expectation report, network element promptly reports the call journal information of this fault calling.Described mistake can be call drop or the like in speech single-pass, the conversation.
Situation 7: filtercondition is the call journal information that reports the designated user standard signaling interface.For example, can specify the full signaling tracing of small number of users on CHR Client, network element all is uploaded to CHR server with all signaling interface message of these users, thereby can carry out more careful analysis to the user.This situation mainly is used in network interconnection intercommunication, terminal and cooperates the first-class situation of monitoring with network.
Filtercondition can also be further for reporting any one information in the call log record.
In addition, because the message of designated user standard interface has comprised the message of each layer of agreement, size of message is very big usually.In order to reduce amount of information, can carry out grade classification to the message of protocol layer, when carrying out the tracking of designated user standard interface, only need report the message of given level.For example, the level of detail according to message is divided into 3 classes with message: maximum Level of Detail, minimum Level of Detail, moderate Level of Detail.Wherein maximum Level of Detail comprises the original coding message of signaling interface; Minimum Level of Detail is the subclass of maximum Level of Detail, is meant therefrom to extract behind the original coding source codec to carry out the required massage set in general considerations location; The moderate Level of Detail is the subclass of maximum Level of Detail, be meant the original coding source codec after, therefrom extract and can carry out the dark required massage set of positioning problems, the moderate Level of Detail is between maximum Level of Detail and minimum Level of Detail.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. analyze the system of calling out in the mobile communication system for one kind, it is characterized in that, this system comprises:
Network element is used to gather call journal information, and the call journal information that satisfies the filtercondition that the call history record server CHR Server of this network element with this network element of administration make an appointment is reported described CHR Server;
CHR Server is used to collect, store the call journal information of each reported by network elements, and according to call journal information the calling under its monitoring is analyzed, and call journal information is reported network management system NMS;
NMS is used to collect the call journal information that it administers interior CHR Server, and the calling under its monitoring is analyzed.
2. system according to claim 1 is characterized in that, described network element comprises:
Function veneer module is used to gather call journal information, and the call journal information of being gathered is directly reported the CHR Server of the described network element of administration.
3. system according to claim 1 is characterized in that, described network element comprises:
Function veneer module is used to gather call journal information, and the call journal information of being gathered is sent to call history record acts on behalf of CHR Agent;
CHR Agent is used for described call journal information is reported the CHRServer that administers this network element.
4. system according to claim 1, it is characterized in that described network element is other network element arbitrarily in mobile switching center server MSC Server, media gateway MGW, support GPRS node SGSN, gateway general packet radio service node GGSN, radio network controller (RNC) or attaching position register HLR and the Wideband Code Division Multiple Access (WCDMA) WCDMA mobile communication system.
5. system according to claim 1 is characterized in that, described CHR Server comprises:
CHR Server module is used to receive the call journal information from network element, and described call journal information is stored into call history database CHR DB, sends to call history record client CHR Client and sends to NMS;
CHR DB is used for the stored calls log information;
CHR Client is used for according to call journal information Treatment Analysis being carried out in the calling under this CHR Server monitoring.
6. system according to claim 1 is characterized in that, this system further comprises:
Standby CHR Server is used to utilize the heartbeat line to monitor the operating state of described CHR Server, takes place when unusual when monitoring described CHR Server, replaces described CHR Server work.
7. system according to claim 1 is characterized in that, described CHR Server is further used for providing call journal information to third party's instrument.
8. system according to claim 1, it is characterized in that the filtercondition that described network element and CHR Server make an appointment is: report all call journal informations, report the all-calls log information in the designated cell, report the call journal information of designated call failure cause, report the all-calls log information of designated user, report the all-calls log information in the fixed time section, the call journal information that reports fault to call out, report the call journal information of abnormal call, report the call journal information of the standard signaling interface of designated user, report the call journal information of predetermined detailed levels, report any one information or the combination in any among them in the call log record.
9. system according to claim 1 is characterized in that,
Described CHR Server is the part of equipment management system EMS;
Described network element reports call journal information by the network management path between this network element and the EMS.
10. system according to claim 1 is characterized in that,
Described CHR Server is further used for locating the fault of the calling of being analyzed with unusual; And/or
Described NMS is further used for locating the fault of the calling of being analyzed with unusual.
11. system according to claim 5 is characterized in that, described CHR Client is further used for locating the fault of the calling of being analyzed with unusual.
12. analyze the method for calling out in the mobile communication system for one kind, it is characterized in that this method comprises:
A. network element is gathered call journal information, and the call journal information that will satisfy the filtercondition that the call history record server CHR Server of this network element and this network element of administration makes an appointment reports described CHR Server;
B.CHR Server analyzes the calling under its monitoring, and described call journal information is reported NMS according to the call journal information that is received;
C.NMS analyzes the calling under its monitoring according to the call journal information that is received.
13. method according to claim 12 is characterized in that, this method further comprises:
CHR Server is handed down to the network element of being administered with described filtercondition; Or
NMS is handed down to the CHR Server that is administered with described filtercondition, and described CHR Server is handed down to the network element of being administered with described filtercondition.
14. method according to claim 12 is characterized in that,
Described CHR Server further locatees the fault of the calling of being analyzed with unusual; And/or
Described NMS further locatees the fault of the calling of being analyzed with unusual.
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| CN101201786B (en) * | 2006-12-13 | 2010-05-19 | 中兴通讯股份有限公司 | Method and device for monitoring fault log |
| CN101383718B (en) * | 2007-09-05 | 2011-03-02 | 中兴通讯股份有限公司 | Method and device for network management system to share a part of pause rule |
| CN101150858B (en) * | 2007-10-12 | 2011-04-20 | 华为技术有限公司 | Call exception analysis method and device, call exception prevention method and device |
| CN101179818B (en) * | 2007-12-17 | 2010-11-10 | 华为技术有限公司 | Service verification method, system and equipment |
| CN101217755B (en) * | 2007-12-26 | 2011-12-28 | 中兴通讯股份有限公司 | A front-end processor system and method applied for data acquisition |
| CN102457864A (en) * | 2010-10-26 | 2012-05-16 | 中兴通讯股份有限公司 | Processing method of measuring data, interface machine and measuring system |
| CN102014411B (en) * | 2010-12-02 | 2014-12-10 | 大唐移动通信设备有限公司 | Method and system for acquiring radio measurement report |
| CN103037393B (en) * | 2011-09-29 | 2017-09-26 | 中兴通讯股份有限公司 | The method and system of data is obtained on demand |
| CN103139824A (en) * | 2011-11-25 | 2013-06-05 | 华为技术有限公司 | Method and device for identifying very annoying people (VAP) in mobile communication network |
| CN102571451B (en) * | 2012-02-16 | 2015-02-18 | 大唐移动通信设备有限公司 | Network element and method for uploading MR (Measure Report) messages by network element |
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