WO2007014502A1 - Procédé de localisation de cellule pour abonné mobile - Google Patents

Procédé de localisation de cellule pour abonné mobile Download PDF

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Publication number
WO2007014502A1
WO2007014502A1 PCT/CN2005/002376 CN2005002376W WO2007014502A1 WO 2007014502 A1 WO2007014502 A1 WO 2007014502A1 CN 2005002376 W CN2005002376 W CN 2005002376W WO 2007014502 A1 WO2007014502 A1 WO 2007014502A1
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WO
WIPO (PCT)
Prior art keywords
tmsi
interface
user
msisdn
correspondence
Prior art date
Application number
PCT/CN2005/002376
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English (en)
Chinese (zh)
Inventor
Haitao Zhao
Caie Chen
Jun Wang
Zongchang Guo
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Zte Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zte Corporation filed Critical Zte Corporation
Publication of WO2007014502A1 publication Critical patent/WO2007014502A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Definitions

  • the present invention relates to the field of mobile communications, and in particular to a method for monitoring positioning of a mobile subscriber cell by monitoring SS7 in the field of signalling monitoring No. 7. Background technique
  • the communication system in the prior art has been widely used in various fields of society, which has changed the traditional way of life and work, and the communication technology has been rapidly developed under the impetus of people's needs.
  • the operators have customized a variety of characterization services according to the user's behavior attributes.
  • the technology for providing user location information through No. 7 signaling monitoring has the following aspects: Large area SMS welcome.
  • the main working principle is to monitor the interaction between the VLR (Visitor Location Register, VLR) and the HLR (Home Location Register, hereinafter referred to as HLR) to obtain the behavior of the user across the VLR.
  • VLR Visitor Location Register
  • HLR Home Location Register
  • the minimum range that can be located is the area covered by the VLR, and the range of the cell level cannot be distinguished.
  • the existing cell short message system works by monitoring the A interface, C interface and D interface, mainly through the A interface to obtain the user's cell location information, but its A interface Limited to IMSI (International Mobile Subscriber Identity,
  • BTS Base Transceiver Station
  • BSC Base Station Controller
  • the advantage is accurate positioning, but its disadvantages are: First, Abis is an internal interface, there is no unified protocol, so the technology is difficult to promote; Second, the Abis interface has a large amount of data, and is widely distributed, even if it is implemented, it is limited to In a small area, it cannot be monitored in a larger area such as the whole city or even the whole province.
  • the technical problem to be solved by the present invention is to provide a method for positioning a mobile user cell, which overcomes the shortcomings of the prior art that either restricts the A port to take the IMSI number or monitors the Abis non-standard interface and cannot monitor it extensively.
  • An efficient cell positioning method that only needs to monitor the standard link around the MSC (Mobile Switching Centre, hereinafter referred to as MSC) can implement cell positioning for monitoring in the whole province.
  • MSC Mobile Switching Centre
  • the present invention provides a method for mobile user cell location, which includes the following steps:
  • a Collect data of the A interface, D interface, E interface and G interface of SS7; b: Perform event synthesis on the collected data;
  • d re-allocating the message through the TMSI in the A interface event, extracting the new and old TMSI number, and updating the correspondence between the TMSI and the MSISDN;
  • e obtaining the TMSI number and the cell information corresponding thereto from the event that the A interface includes the location information; f: corresponding to the correspondence between the TMSI number and the cell in the step e and the TMSI and the MSISDN in the step d
  • the relationship is obtained by the TMSI number, that is, the correspondence between the MSISDN and the cell where the MSISDN is located, thereby obtaining the cell location information of the mobile user.
  • the above method is characterized in that the event including the location information in the step e includes location update, call, and send/send SMS.
  • the above method is characterized in that, in the condition that the user is updated across the VLR location, the step c further includes:
  • Step c31 Extract a correspondence between the original TMSI of the user and the current TMSI from the A-interface location update TDR.
  • step c32 extract the correspondence between the original TMSI and the IMSI of the user from the G interface sending identifier TDR;
  • step c33 extract the correspondence between the user MSISDN and the top SI from the D interface location update event;
  • Step c34 through steps c32 and c33 Finding, by the top SI, the results of the steps c32 and c33, and obtaining the correspondence between the original TMSI and the MSISDN of the user;
  • Step c35 Through steps c31 and c34, the original TMSI finds the result of the correlation between the c31 and the step c34, and obtains the correspondence between the user now TMSI and the MSISDN.
  • the step c further includes:
  • Step c41 Extract a correspondence between the latest TMSI of the user and the called MSISDN from the CDR of the A interface.
  • Step c42 Extract the correspondence between the calling MSISDN and the called MSR from the CDR of the E interface.
  • Step c43 Send the routing information from the D interface to extract the corresponding relationship between the called MSISDN and the called MSRN.
  • Step c44 Integrate the results of step c41, step c42, and step c43, and obtain the correspondence between the calling user and the MSISDN according to the called 'MSISDN and the called MSRN.
  • the step c further includes:
  • Step c51 Extract a correspondence between the latest TMSI of the user and the called user number from the CDR of the A interface.
  • Step c52 Extract a correspondence between the calling MSISDN and the called user number from the E interface call CDR;
  • Step c53 Associate the results of steps c51 and c52 with the called subscriber number, and obtain the correspondence between the calling subscriber and the MSISDN.
  • the invention has the advantages that: the cell positioning method of the mobile user of the present invention comprehensively and comprehensively considers the association characteristics between various protocol types from a system aspect, and proposes a unified and efficient extraction of the correspondence between the user MSISDN and the cell.
  • the method of relationship thus effectively solving the community setting of mobile users
  • the problem of the position; the method of monitoring the interface standard is unified, considers complete, can be centralized monitoring, and has no impact on the main equipment running on the live network, and can be extended to the whole province and even the whole country for monitoring.
  • FIG. 1 is a flowchart of a method for positioning a mobile user cell according to the present invention
  • FIG. 2 is a schematic diagram of signaling connection when a user crosses VLR location update according to an implementation of the present invention
  • FIG. 3 is a flow chart showing information association when a user crosses VLR location update according to an implementation of the present invention
  • FIG. 4 is another embodiment of the present invention.
  • FIG. 5 is a flow chart showing the association of information of a user other than the VLR in the mobile subscriber's calling network according to another implementation of the present invention.
  • FIG. 6 is a schematic diagram of a signaling connection of a mobile subscriber calling a network out-of-network user according to another implementation of the present invention.
  • FIG. 7 is a flow chart showing the information association of a mobile subscriber calling a network user outside the network according to another embodiment of the present invention. The best way to implement the invention
  • the invention provides a method for realizing mobile user cell location by using No.7 signaling, and the interface protocols involved mainly include: ISUP (ISDN User Part, ISDN User Part, hereinafter referred to as ISUP).
  • ISUP ISDN User Part
  • MAP Mobile Application Part, Mobile Application Part
  • BSSAP Base Station System Application Part
  • the ISUP protocol interface mainly monitors the call connection, and can obtain the calling party number and the called user number in the connection. If the called user is a mobile user, the called number may be the called roaming number.
  • the MAP protocol interface mainly monitors location update events, sends routing information events, and provides roaming number events.
  • the purpose is to obtain the user's MSISDN (Mobile Station International ISDN Number, also known as the mobile phone number) and: Correspondence between EMSI, MSRN (Mobile Station Roaming Number) and MSISDN.
  • the Gsm A interface is mainly used to obtain the correspondence between the user's TMSI and the location information, and obtain the correspondence between the calling number and the called number in the call. Can be seen, alone Monitoring one of these interfaces is difficult to achieve user positioning needs.
  • most of the BSSAP signaling uses the TMSI number, and the corresponding relationship between the user TMSI and the MSISDN cannot be directly obtained.
  • the present invention proposes an efficient and universal mobile user cell positioning method, which uses TMSI for BSSAP signaling in the live network or: [MSI is suitable.
  • the user relationship between the mobile subscriber location update, the originating call, and the terminating call can be associated with the corresponding relationship between the TMSI and the MSISDN, thereby further realizing the mobile user cell positioning.
  • FIG. 1 is a flowchart of a mobile user cell positioning method, where the first step 101 signaling collection and the second step 102 event synthesis are consistent for various situations implemented by the patent, and the subsequent steps are based on the user's behavior type. Different, the processing method is different.
  • Step 101 Collect data of the A interface, the D interface, the E interface, and the G interface of the SS7.
  • Step 102 Perform event synthesis on the collected data.
  • Step 103 Associate an A interface event, a D interface event, an E interface event, and a G interface event to obtain a correspondence between the mobile user TMSI and the MSISDN.
  • Step 104 Re-allocate the message through the TMSI in the A interface event, extract the new and old TMSI number, and update the correspondence between the TMSI and the MSISDN.
  • Step 105 Obtain a TMSI number and corresponding cell information from an event that includes location information on the A interface.
  • Step 106 Associate the correspondence between the TMSI number and the cell in the step 105 and the corresponding relationship between the TMSI and the MSISDN in the step 104 by using a TMSI number, that is, obtain a correspondence between the MSISDN and the cell where the MSISDN is located, thereby obtaining a correspondence relationship between the MSISDN and the cell where the MSISDN is located.
  • Cell location information of the mobile user
  • the BSC where the user is located sends a location update request message to the MSC where the user is located.
  • the MSC where the user is located is determined to update the VLR location after receiving the location update request message, and send the identity signaling to the MSC where the user originally located.
  • the MSC where the user originally located sends feedback to the MSC where the user is located.
  • the MSC where the user is located feeds back the location update result to the BSC where the user is located.
  • the two vertical dotted lines in the figure are the monitored areas of the present invention.
  • the original TMSI number associated with the A interface location update event and the G interface signaling event can obtain the user TMSI and: [MSI correspondence, and then according to other events of the A interface.
  • the correspondence between the MSISDN and the IMSI can obtain the cell location information of the mobile user.
  • CDR/TDR Call detail record/transaction detail record
  • synthesis analysis For details, see Patent No.7. The method for synthesizing the detailed call record event is described in the following patent application number: 200310113550. 6, the publication number is: 1545258; as disclosed in the prior art, no further details are provided herein.
  • Steps 332 and 333 by: EMSI finds the results of associations 332 and 333, and obtains the correspondence between the original TMSI and the MSISDN of the user;
  • the original TMSI finds the results of the associations 331 and 34, and obtains the correspondence between the user's current TMSI and the MSISDN;
  • the result of the step 37 is searched by the TMSI to find the result of the step 36, and the user MSISDN and the corresponding cell location information are obtained, thereby realizing the cell location of the user.
  • the mobile user calls the user outside the VLR in the calling network.
  • Figure 4 shows the simple process of the mobile user calling the user outside the VLR in the calling network. The process is as follows: 401 The BSC where the user is located initiates a call message to the MSCl;
  • 402 MSC1 finds the HLR registered by the called party through the called number and sends a routing message to the HLR to obtain the route of the called user.
  • MSC1 initiates a call message to MSC2 to connect the call to MSC2.
  • the part between the two vertical dotted lines in the figure is the area monitored by the invention.
  • the called MSISDN and the called MSRN are associated with the A interface call event, the E interface call event and the D interface send the routing information event, thereby obtaining the user.
  • the corresponding relationship between the TMSI and the MSISDN, and then the cell location information of the mobile user can be obtained according to other events of the A interface.
  • the specific implementation steps are shown in Figure 5. The steps are as follows:
  • the TDR extracts the corresponding relationship between the called MSISDN and the called MSRN.
  • step 54 Combining the results of step 531, step 532, and step 533 above, according to the called MSISDN and the called MSRN, obtain the correspondence between the calling user and the MSISDN.
  • step 55 Extract the original TMSI and the new TMSI corresponding relationship from the A interface TMSI redistribution event, and update the result of step 54 to obtain the latest TMSI and MSISDN correspondence of the user;
  • the result of the step 56 is used to find the result of step 55 through the TMSI, and the user MSISDN and the corresponding cell location information are obtained, thereby realizing the cell location of the user.
  • the mobile user initiates a call to the out-of-network user
  • Figure 6 shows the simple process of the mobile user calling the off-network user. The process is as follows:
  • the BSC where the user is located initiates a call message to MSC1; 602 MSC1 judges to be an out-of-network call by the called number, initiates a call-to-call message to MSC2 (intranet or off-net gateway), and connects the call to MSC2.
  • the two vertical dotted lines in the figure are the monitored areas of the present invention.
  • the called number is associated with the A interface call event and the E interface call event, thereby obtaining the correspondence between the user TMSI and the MSISDN, and then according to other events of the A interface. Get the cell location information of the mobile user.
  • the specific implementation steps are shown in Figure 7. The steps are as follows:
  • the result of the step 76 is used to find the result of the step 75 through the TMSI, and the user MSISDN and the corresponding cell location information are obtained, thereby realizing the cell location of the user.
  • the present invention is not related to the correspondence between all the A-interface user events and the location of the MSISDN and the cell location. There is a certain limitation. First, one of the following actions must be performed to associate the correspondence between the user MSISDN and the TMSI:
  • the length of time depends on the effective time of the TMSI set by the switch. That is to say, if the method is opened by the method of the present invention, if the user has not been outside the network or the incoming call of the VLR outside the network, there is no call out to the network or the VLR in the network. In addition, if the VLR location update is not performed, and the system does not shut down, the method of the present invention is associated with the corresponding relationship between the user MSISDN and the TMSI. However, once one of the above behaviors is present, the method of the present invention can remember the correspondence between its initial MSISDN and TMSI, and the corresponding relationship can be maintained. This is an accumulation process.
  • the following action trigger signaling is required to obtain the location information of the user, thereby performing positioning:
  • this location update is automatically generated by the network side, and its frequency can be set in the switch.
  • the detection rate of the user cell location is not high, and the guess rate is used to detect the probability of the MSISDN and the cell location relationship, but with time Accumulation, its detection rate will gradually increase.
  • the cell positioning method of the mobile user comprehensively and comprehensively considers the association characteristics between various protocol types from a system aspect, and proposes a unified and efficient method for extracting the correspondence relationship between the user MSISDN and the cell, thereby effectively
  • the problem of the cell location of the mobile user is solved; the method for monitoring the interface standard is unified, the consideration is complete, the monitoring can be centralized, and the main equipment running on the live network has no influence, and can be extended to the whole province and even the whole country for monitoring.
  • the method of the present invention is suitable for use in the field of communication involving Signaling No. 7 signaling, and the method of the present invention is equally applicable to other fields in which similar problems exist.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de localisation de cellule pour abonné mobile, qui passe par les étapes suivantes : la collecte des données d'interface de SS7, la synthèse d'événement des données collectées, l'association de l'événement d'interface pour obtenir la relation correspondante entre le TMSI et le MSISDN de l'abonné mobile, la mise à jour de la relation correspondante entre le TMSI et le MSISDN par le message de reconfiguration de TMSI par l'intermédiaire de l'interface A, l'obtention du numéro de TMSI et des informations de cellule correspondantes de l'affaire comprises dans les informations d'emplacement de l'interface A, l'association de la relation correspondante entre le numéro TMSI et la cellule avec la relation correspondante entre le TMSI et le MSISDN par le numéro TMSI, puis obtention de la relation correspondante entre le TMSI et la cellule, pour ainsi avoir les informations d'emplacement de cellule de l'abonné mobile. L'invention résout le problème de l'emplacement de cellule de l'abonné mobile ; le procédé unifie le standard d'interface de moniteur, donne une contrepartie complète, un moniteur centralisé et peut être réparti dans l'étendue du moniteur sur toute la province jusqu'au pays entier.
PCT/CN2005/002376 2005-08-01 2005-12-29 Procédé de localisation de cellule pour abonné mobile WO2007014502A1 (fr)

Applications Claiming Priority (2)

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CN200510088663.4 2005-08-01
CNA2005100886634A CN1909719A (zh) 2005-08-01 2005-08-01 一种移动用户小区定位的方法

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CN103428686A (zh) * 2013-08-09 2013-12-04 中国移动通信集团四川有限公司宜宾分公司 基于网内互拨呼叫的用户号码回填方法和号码回填服务器

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CN101640871B (zh) * 2008-07-28 2012-07-04 中国移动通信集团河南有限公司 一种边界漫游小区识别方法、装置及系统
CN102421077A (zh) * 2010-09-28 2012-04-18 中国移动通信集团四川有限公司 一种信令监测中号码回填的方法和号码回填服务器
CN102098666B (zh) * 2011-02-21 2014-04-16 北京汇泰沃德科技有限公司 应用于2g网络的号码回填方法和通信监测系统
CN102186187A (zh) * 2011-04-25 2011-09-14 北京拓明科技有限公司 一种基于a接口信令的寻呼黑洞小区定位方法
CN102892090B (zh) * 2012-09-11 2016-06-22 北京中创信测科技股份有限公司 一种个性化服务短信发布方法及系统
CN102883349B (zh) * 2012-09-29 2015-02-11 深圳市博瑞得科技有限公司 Gsm网络呼叫全流程多接口关联方法
CN104144382A (zh) * 2013-05-10 2014-11-12 中国电信股份有限公司 面向区域应用的定位方法与系统
WO2017219177A1 (fr) * 2016-06-20 2017-12-28 华为技术有限公司 Procédé et système de mappage d'identificateurs

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CN103428686B (zh) * 2013-08-09 2016-11-23 中国移动通信集团四川有限公司宜宾分公司 基于网内互拨呼叫的用户号码回填方法和号码回填服务器

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