WO2004086793A1 - Procede de surveillance dependant de la localisation d'une cellule - Google Patents
Procede de surveillance dependant de la localisation d'une cellule Download PDFInfo
- Publication number
- WO2004086793A1 WO2004086793A1 PCT/CN2003/001158 CN0301158W WO2004086793A1 WO 2004086793 A1 WO2004086793 A1 WO 2004086793A1 CN 0301158 W CN0301158 W CN 0301158W WO 2004086793 A1 WO2004086793 A1 WO 2004086793A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- monitoring
- switching device
- mobile switching
- cell
- monitoring system
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
Definitions
- the present invention relates to monitoring technology in mobile communications, and in particular, to a method for implementing monitoring based on a geographic location of a cell. Background of the invention
- the connection relationship between the monitoring system and the mobile communication network in mobile communication is shown in Figure 1.
- the monitoring system 11 is connected to the mobile switching device 12 in the mobile communication network.
- the monitoring system 11 is responsible for the management of the target user, the collection and analysis of the monitoring information.
- the mobile switching device 12 is responsible for monitoring the activity of the target user and reporting the target user's activity information and communication content in a timely manner.
- the legal interception of the target user is performed through the target user identity, that is, the interception system sets the monitored user according to the target user identity.
- the target user identifier mentioned here refers to information that can distinguish different users.
- GSM Global System for Mobile Communications
- WCDMA Wideband Code Division Multiple Access
- the target user identifier may be the mobile station international ISDN number (MSISDN), International Mobile Subscriber Identity (IMSI) or International Mobile Equipment Identity (IMEI);
- MSISDN mobile station international ISDN number
- IMSI International Mobile Subscriber Identity
- IMEI International Mobile Equipment Identity
- the target subscriber identity may be a mobile index number (MDN), IMSI Or electronic serial number (ESN).
- the MSISDN of the target user is known in advance, the MSISDN is set to be monitored in the mobile switching device 12 and the MSISDN is recorded in the target list; whenever the mobile switching device makes a voice call
- the target user list is first queried. If the user is found to be the monitored user, the current activity information and communication content of the user are reported to the monitoring system.
- the process of implementing monitoring in a mobile communication system is shown in Figure 2, and includes the following steps:
- Steps 21 to 22 The monitoring system sets the monitored user according to the target user identity; the mobile switching device generates a target list within the mobile switching device according to the target user request set by the monitoring system, and records the identity of the monitored user and its related information. Listening properties.
- Steps 23 to 24 When user A uses the communication service, the mobile switching device queries i) the list of target users, and determines whether user A is the monitored user according to the identity of user A. If the user A is set as the monitored user in the mobile switching device, the mobile switching device reports the current activity information and communication content of the user A to the monitoring device according to the specified monitoring attributes while providing the normal communication service for the user A. System; if user A is not set as a monitored user, the mobile switching device only provides normal communication services for user A.
- the monitoring based on the user ID is only applicable to the case where the target user ID is clearly known, but in real life, the target user ID cannot be known in many cases because the mobile terminal and the user identification module (SIM) card are replaced Very convenient, especially for prepaid users. Therefore, when the target user perceives that his activity may be monitored, he frequently changes the mobile phone and the SIM card, so that the monitoring based on the user's identity cannot bring about actual effects. In addition, for many criminals, their own activities are confidential, so it is not easy to obtain their mobile terminal numbers. Summary of the invention
- the main object of the present invention is to provide a monitoring method based on cell location, so that the monitoring system can directly monitor users in a specified cell, so as to improve the monitoring mechanism in the mobile communication system.
- a further object of the present invention is to identify and isolate a desired target user from all monitoring information, and then target the required target user for targeted monitoring to improve the monitoring effectiveness.
- a monitoring method based on cell location The monitoring system sends the target information that needs to be monitored to the mobile switching device, and the mobile switching device reports the monitoring information of the specified target to the monitoring system.
- the method further includes the following steps:
- the monitoring system determines the target cell to be monitored based on the geographical range required for monitoring, and then sends a location monitoring setting request carrying the target cell identifier and its corresponding monitoring attributes to the mobile switching device, where the cell identifier is a cell.
- CGI Global Identification
- the mobile switching device After receiving the location monitoring setting request from the monitoring system, the mobile switching device records the identity of the monitored target cell and the corresponding monitoring attributes in the request;
- the mobile switching device queries all the monitored target cell IDs currently recorded, and judges whether the current user belongs to the monitored target cell according to the ID of the cell to which the current user belongs. If so, the mobile switching device is providing communication. During the service, the information of the current user's compliance with the monitoring attribute is reported to the monitoring system; otherwise, the mobile switching device only provides communication services to the current user.
- the method further includes: the mobile switching device generates a target cell list, and records the identities of all monitored target cells and their corresponding monitoring attributes.
- the method further includes: the monitoring system analyzes all user information reported by the mobile switching device, identifies and separates information belonging to the target user based on the voice characteristics of the target user; or filters all user data according to key characteristics to collect valid information.
- the method further includes: the monitoring system updates the target cell or the monitoring attribute of the target cell set in the mobile switching device at any time according to application requirements.
- the update schedule further includes: the monitoring system sends a location monitoring setting request to the mobile switching device, and after receiving the request, the mobile switching device records the cell identifier and the corresponding monitoring attribute in the request, and sends the request to the monitoring system. Returns the position monitoring setting response.
- the update setting further includes: the monitoring system sends a location monitoring cancellation request to the mobile switching device, and after receiving the request, the mobile switching device deletes the cell identifier specified in the request recorded by the mobile switching device and its corresponding monitoring attribute , And return the position monitoring setting response to the monitoring system.
- the method further includes: the monitoring system inquires the target cell or the monitoring attribute of the target cell that has been set in the mobile switching device at any time according to the application needs.
- the query setting further includes: the monitoring system sends a location monitoring query request to the mobile switching device, and after receiving the request, the mobile switching device searches for a record of the designated target cell that has been successfully set, and then returns the search to the monitoring system. To the target cell record.
- the query setting further includes: the monitoring system sends a location monitoring attribute query request to the mobile switching device, and after receiving the request, the mobile switching device searches for the monitoring attribute record corresponding to the specified target cell, and then returns the search to the monitoring system To the monitoring attributes of the specified target cell.
- the mobile switching device may set an upper limit on the number of users monitoring the designated target cell at the same time according to its own performance.
- the key of the present invention is: the cell in the mobile communication system is used as the basic location unit, and the monitoring system only needs to specify the cell identifier corresponding to the geographic range to be monitored, so that all users in the specified cell can perform Monitoring and information collection.
- the monitoring system does not need to know the identity of the target user in advance.
- the cell within the cell corresponding to the known range can be designated by specifying the cell identity All users track and listen at any time to collect monitoring information of all users in the target cell to ensure that the target cannot be obtained Monitoring can also be performed in the case of user identification, thereby improving monitoring in a mobile communication system.
- the mechanism makes it not only rely on the legal interception based on the user's identity, but also support the cell-based location interception.
- the method of the present invention can analyze the collected monitoring information through a monitoring system, identify and isolate a desired target user from the target user's voice characteristics, and then monitor the target user specifically to improve cell location monitoring. Effectiveness.
- the monitoring system can also monitor all users in a specific area as required, and then analyze the collected monitoring information based on key characteristics through background processing to find useful information.
- the method of the present invention is based on cell location monitoring, it uses a cell inherent in a mobile communication network as the basic unit for determining the geographic range in location monitoring, thereby greatly simplifying the implementation of the location monitoring function.
- Figure 1 is a schematic diagram of a legal monitoring system in a mobile communication system
- FIG. 2 is a schematic diagram of a monitoring process based on a target user identifier in the prior art
- FIG. 3 is a schematic diagram of a monitoring process based on a cell location in the present invention.
- FIG. 4 is a schematic flowchart of setting a position monitoring in the present invention.
- FIG. 5 is a schematic diagram of a cancellation process of location monitoring in the present invention.
- FIG. 6 is a schematic diagram of a query process of location monitoring in the present invention.
- FIG. 7 is a schematic diagram of an attribute query flow of location monitoring in the present invention. Mode for Carrying Out the Invention The present invention will be described in further detail below with reference to the drawings and specific embodiments.
- the present invention is based on the location monitoring of a cell, and uses the coverage of the cell as the geographic range for monitoring to monitor all users in a specified cell.
- the monitoring system first determines what needs to be monitored Cell identity and its monitoring attributes, and then set the determined information into the mobile switching device, the mobile switching device records and saves the cell identity and monitoring attributes; when the mobile switching device performs voice and data exchange, it determines the Whether the user belongs to the monitored cell, and if so, the monitoring information and communication content of the user are reported according to the cell monitoring attribute.
- Step 31 The monitoring system determines a target small area corresponding to the geographical range according to the geographical range to be monitored, and identifies and identifies the target cell.
- the monitoring attribute is set in the mobile switching device, that is, a location monitoring setting request is sent to the mobile switching device.
- the cell identifier Cell
- CGI Cell Global Identity
- Step 32 After receiving the location monitoring setting request sent by the monitoring system, the mobile switching device records the monitored cell identifier and related monitoring attributes described in the request.
- a target can be generated inside the mobile switching device.
- the cell list is used to record the cell information in the request. That is, based on cell location monitoring, the mobile switching device needs to generate and maintain a target cell list, which is used to record which cells are monitored and the related monitoring attributes of these monitored cells.
- the monitoring attributes here refer to the need to monitor signaling information or voice information, whether to monitor unidirectional or bidirectional voice, and so on.
- Steps 33 to 34 When a user, such as user A, uses mobile communication services, the mobile switching device initiates a cell location monitoring process while providing voice calls and data exchange connections, that is, querying the target cell list and ranking the current user. The identity of the cell to which the user belongs determines whether the user falls within the range of the target cell being monitored. If so, the mobile switching device reports the monitoring information and communication content of user A to the monitoring system based on the d and area monitoring attributes.
- the number of simultaneous users in a cell is not large, and cell-based location monitoring has little effect on the performance of mobile switching equipment; but in some extreme cases, such as when holding a competition, performance, or exhibition, mobile switching
- the device may consider limiting the upper limit of the number of users to be monitored simultaneously in a specified cell according to its own performance. For example, assume that there are currently three cells: cell1, cell2, and cell3.
- the listening system sets cell1 and cell2 as the target cells for current monitoring.
- User A currently belongs to 'J, area 2, and user B currently belongs to the cell. 3.
- the cell monitoring attribute set by the monitoring system is to monitor only the voice information sent by user A.
- the cell-based location monitoring process is as follows: the monitoring system first sends the identifications of the cells 1 and 2 and the monitoring attributes of only the voice information sent by the user A to the mobile switching device, and the mobile switching device generates a target cell list. The identity of cell 1 and cell 2 is stored in the list.
- the mobile switching device queries the target cell list while providing services to determine whether user B belongs to cell 1 or cell 2. Within the range of cell 2, the mobile switching device does not send any information to the monitoring system.
- the mobile switching device queries the target cell list to determine whether user A belongs to cell 1 or cell 2. Since user A belongs to cell 2, that is, user A is within the monitored geographic range, the mobile switching device is providing At the same time as the service, the voice information sent by all users A is sent to the monitoring system.
- Steps 3 and 34 are the basic process of implementing cell location-based monitoring, but in order to improve the effectiveness and accuracy of monitoring, as shown in step 35, the background processing of the monitoring system can be added, that is, the monitoring system can After obtaining the monitoring information and communication content of all users in the specified target cell in the switching device, analyze all the collected monitoring data to find or determine the required target users, and then monitor the activities of the target users in a targeted manner.
- the analysis process can identify and separate these data based on the voice characteristics of the target user; it can also filter the communication data based on key features to collect effective information, such as: filtering these data by keywords to isolate sensitive information for monitoring .
- the monitoring system can update the set content at any time, and the update includes: setting and canceling;
- the monitoring system in order to ensure that the monitoring data set between the monitoring system and the mobile switching device is consistent, the monitoring system also You can query the set content at any time according to your needs, including: querying the set cell or querying the monitoring attributes of a cell.
- Figures 4 to 7 give The signalling process between the monitoring system and the mobile switching device regarding update settings and query settings is presented.
- FIG. 4 is a flow chart for setting the location monitoring in the present invention.
- the monitoring system when the monitoring system needs to set a new monitored cell or update the monitoring attributes of a certain cell, the monitoring system sends location monitoring to the mobile switching device.
- the setting request carries a cell identifier and various monitoring attributes that are set.
- the mobile switching device After receiving the request, the mobile switching device records the corresponding cell identifier and the corresponding monitoring attributes, and returns a location monitoring setting response to the monitoring system, which carries information about the success or failure of the setting. If the setting is successful, the mobile switching device starts monitoring and reports the activity information of all users in the specified target cell according to the setting information.
- FIG. 5 is the cancellation process of location monitoring in the present invention.
- the monitoring system when the monitoring system does not need to continue monitoring a specified target cell, the monitoring system sends a location monitoring cancellation request to the mobile switching device. It carries the identity of the cell to be cancelled. After receiving the request, the mobile switching device deletes all the information of the cell from the target cell list, and then returns a location monitoring cancellation response to the monitoring system, which carries the setting success or failure information. If the setting is successful, the mobile switching device stops monitoring and reports the activity information of all users in the cell.
- FIG. 6 and FIG. 7 are query flow of location monitoring in the present invention, which are respectively used to query the target cell of a mobile switching device and the monitoring attributes of a certain cell that have been successfully set.
- the monitoring system when the monitoring system needs to query which target cells have been successfully set in the mobile switching device, the monitoring system sends a location monitoring query request to the mobile switching device. After receiving the request, the mobile switching device looks for The target cell list of the target cell is successfully set. If the search is successful, a location monitoring query response is returned to the monitoring system. The response carries the cell identifier in the target cell list, and of course, it can also carry other related information. If the search is not successful, A failure message is returned to the monitoring system. Of course, the monitoring system can also only find out whether certain specified cells are successfully set in the mobile switching device, and the mobile switching device can only return to find or not Find the information.
- the monitoring system when the monitoring system needs to query the monitoring attributes of a target cell in one or all of the mobile switching devices that have been successfully set, the monitoring system sends a location monitoring attribute query request to the mobile switching device.
- the request carries the specified Cell identification; after receiving the request, the mobile switching device searches the target cell list for the monitoring attribute of the specified target cell, and if the search is successful, returns a location monitoring attribute query response to the monitoring system, where the response carries the specified target cell
- the monitoring attribute information may of course carry other related information; if the search is unsuccessful, the failure information is returned to the monitoring system.
- a range covered by an access point may be a basic location unit, and a geographic range to be monitored may be determined.
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003296234A AU2003296234A1 (en) | 2003-03-28 | 2003-12-31 | A monitoring method based on a cell location |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN03121425.8 | 2003-03-28 | ||
CNB031214258A CN100341371C (zh) | 2003-03-28 | 2003-03-28 | 一种基于小区位置的监听方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004086793A1 true WO2004086793A1 (fr) | 2004-10-07 |
Family
ID=33035150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2003/001158 WO2004086793A1 (fr) | 2003-03-28 | 2003-12-31 | Procede de surveillance dependant de la localisation d'une cellule |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN100341371C (zh) |
AU (1) | AU2003296234A1 (zh) |
WO (1) | WO2004086793A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006098669A1 (en) * | 2005-03-18 | 2006-09-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Area based monitoring |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100454850C (zh) * | 2005-09-27 | 2009-01-21 | 华为技术有限公司 | 对移动ip用户进行监听的系统和方法 |
CN101321361B (zh) * | 2007-06-08 | 2012-06-27 | 华为技术有限公司 | 一种对跨区域服务网元监听的方法、装置和系统 |
CN101150826A (zh) * | 2007-10-22 | 2008-03-26 | 华为技术有限公司 | 限制监听权限的方法、装置和系统 |
CN101662744B (zh) * | 2008-08-25 | 2013-04-17 | 华为技术有限公司 | 一种获知特定小区信息的方法、装置及系统 |
CN107257546A (zh) * | 2017-06-19 | 2017-10-17 | 哈尔滨海能达科技有限公司 | 一种用于集群系统的区域自动监听方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5428667A (en) * | 1993-03-11 | 1995-06-27 | Harris Corporation | Multi-channel cellular communications intercept system |
US5590171A (en) * | 1994-07-07 | 1996-12-31 | Bellsouth Corporation | Method and apparatus for communications monitoring |
WO1999039492A1 (de) * | 1998-01-30 | 1999-08-05 | Siemens Aktiengesellschaft | Verfahren und system zum abhören von telefongesprächen |
WO2001060098A1 (en) * | 2000-02-11 | 2001-08-16 | Nokia Corporation | Method and system for obtaining identification information on a monitored party in a communication network |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6141548A (en) * | 1998-02-02 | 2000-10-31 | Motorola, Inc. | Method and apparatus for location based intercept in a communications system |
CN1282691A (zh) * | 2000-01-25 | 2001-02-07 | 庄大川 | 多功能组合定位通讯系统 |
-
2003
- 2003-03-28 CN CNB031214258A patent/CN100341371C/zh not_active Expired - Fee Related
- 2003-12-31 AU AU2003296234A patent/AU2003296234A1/en not_active Abandoned
- 2003-12-31 WO PCT/CN2003/001158 patent/WO2004086793A1/zh not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5428667A (en) * | 1993-03-11 | 1995-06-27 | Harris Corporation | Multi-channel cellular communications intercept system |
US5590171A (en) * | 1994-07-07 | 1996-12-31 | Bellsouth Corporation | Method and apparatus for communications monitoring |
WO1999039492A1 (de) * | 1998-01-30 | 1999-08-05 | Siemens Aktiengesellschaft | Verfahren und system zum abhören von telefongesprächen |
WO2001060098A1 (en) * | 2000-02-11 | 2001-08-16 | Nokia Corporation | Method and system for obtaining identification information on a monitored party in a communication network |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006098669A1 (en) * | 2005-03-18 | 2006-09-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Area based monitoring |
Also Published As
Publication number | Publication date |
---|---|
AU2003296234A1 (en) | 2004-10-18 |
CN1535067A (zh) | 2004-10-06 |
CN100341371C (zh) | 2007-10-03 |
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