CN1677906B - A method for monitoring location service of target user equipment - Google Patents

Abstract

The invention discloses a method for monitoring location services of target user equipment, the method comprising: connecting a monitoring system with a positioning center, the monitoring system setting target user equipment in the positioning center; the positioning center monitoring the location services of the target user equipment, and report to the monitoring system. According to the solution proposed by the present invention, the monitoring system monitors the location service of the target user equipment, so that the monitoring personnel can directly obtain the relevant information of the location service performed by the target user equipment and the location information of the target user equipment through the monitoring system, and easily grasp For the location service performed by the target user equipment, the effectiveness of monitoring activities is improved, so that the monitoring of the target user equipment is more comprehensive and effective.

Description

A method for monitoring location service of target user equipment

technical field

The invention relates to monitoring technology, in particular to a method for monitoring the location service of a target user equipment.

Background technique

Lawful interception refers to the activities of national security agencies to monitor telecommunications services within the scope permitted by law. According to the requirements of the national security department, all operating mobile communication systems, including Global System for Mobile Communication (GSM, Global System for Mobile Communication) system, Code Division Multiple Access (CDMA, Code Division Multiple Access) communication system, and future broadband code division Multiple access (W-CDMA, Wide Code Division Multiple Access) communication systems, etc. must enable the national security department to monitor mobile users and provide a monitoring interface for monitoring, such as the X interface. The police information center (LIC) of the monitoring system of the national security department is connected with the telecommunications network equipment (TNE, Telecommunication Network Equipment) in the mobile communication system through the monitoring interface to realize the monitoring of the target user equipment. TNE can be the home location register (HLR) , HomeLocation Register), Home Subscriber Server (HSS, Home Subscriber Server), Mobile Switching Center (MSC, Mobile Switch Center), Serving General Packet Radio Service Support Node (SGSN, Serving GPRS Support Node), Short Message Center (SMC, Short MessageCenter) and so on.

In the existing monitoring technical standards, the services that can be monitored include: voice service, fax service, supplementary service and short message service. In the CDMA system, the equipment required to provide the monitoring access function includes: HLR, MSC and SMC. In the W-CDMA system, the devices required to provide monitoring and access functions include: HSS, SGSN and SMC.

Fig. 1 is the listening interface schematic diagram of LIC and mobile communication system, as shown in Fig. 1, LIC 104 is connected with HLR/HSS 101, MSC/SGSN 102 and SMC103 in the mobile communication system through X interface 105, realizes the target subscriber equipment The voice service, fax service, supplementary service, short message service and other communication information of the company are monitored.

Fig. 2 is the schematic diagram of the monitoring interface structure of LIC and MSC/SGSN, as shown in Fig. 2, the X interface 105 between LIC 104 and MSC/SGSN 102 includes: signaling interface X1, service interface X2 and X3. The X1 interface realizes the management of monitoring activities, including setting, query, cancellation, etc.; the X2 interface reports the communication activity-related events of the target user equipment to the LIC 104; the X3 interface reports the communication content of the target user equipment to the LIC 104, such as call voice. The transmission bearer of the X1 interface and the X2 interface is Transmission Control Protocol (TCP)/Internet Protocol (IP) or X.25; the voice transmission bearer of the X3 interface is the E1 link, and the packet data transmission bearer is TCP/IP or X.25.

Fig. 3 is the listening interface structural representation of LIC and HLR/HSS/SMC, as shown in Fig. 3, X interface 105 between LIC 104 and HLR/HSS/SMC comprises: signaling interface X1 and service interface X2. The X1 interface implements the management of monitoring activities, including setting, querying, canceling, etc. The X2 interface reports events related to the communication activities of the target user equipment to the LIC 104. The transmission bearer of the X1 interface and the X2 interface is TCP/IP or X.25. Since the HLR/HSS reports the activity-related events of the target user equipment to the LIC 104, and the SMC reports the short message event to the monitoring system 102, the X interface 105 between the LIC 104 and the HLR/HSS/SMC does not include the X3 interface.

Both the CDMA communication system and the W-CDMA communication system support the positioning function of the target user equipment, and the positioning accuracy can reach a range of several meters. In the CDMA communication system, the mobile positioning center (MPC, Mobile Position Center) provides external location services; in the W-CDMA communication system, the gateway mobile location center (GMLC, Gateway Mobile Location Center) provides external location services, and MPC/GMLC manages Location information of the target user device. When the location service client (LCSClient) requests the location information of the target user equipment, the MPC/GMLC performs a positioning operation on the target user equipment, and then returns the location information of the target user equipment to the LCS Client.

FIG. 4 is a schematic diagram of a solution for locating target user equipment in a CDMA communication system. As shown in FIG. 4, the LCS Client 405 belongs to the location service provider 407, and the LCS Client 405 can be a website or the like. The MPC 403 belongs to the CDMA communication system 406, and provides the location information of the target user equipment 401 to the LCS Client 405. The MSC 402, the MPC 403 and the positioning entity (PDE, Position Determining Entity) 404 jointly complete the positioning operation for the target user equipment 401.

Fig. 5 is the schematic diagram of the scheme of positioning target user equipment in the W-CDMA communication system, as shown in Fig. 5, LCS Client 503 belongs to location service provider 505, and GMLC 502 belongs to W-CDMA communication system 504, and GMLC 502 is to target user equipment 501 Perform positioning, and provide the location information of the target user equipment 501 to the LCS Client 503.

In the monitoring process of the target user equipment, the LIC should monitor the activities of the target user equipment comprehensively and completely. However, in the prior art, the LIC can only monitor the voice service, fax service, supplementary service and short message service, and cannot monitor at all The location service of the target user equipment makes monitoring the activities of the target user equipment not comprehensive and effective.

Contents of the invention

In view of this, the main purpose of the present invention is to provide a method for monitoring the location service of the target user equipment, so as to realize the monitoring of the location service of the target user equipment, and further more comprehensively and effectively monitor the activities of the target user equipment.

In order to achieve the above object, the present invention provides a method for monitoring the location service of the target user equipment, and the monitoring system is connected with the positioning center. The method includes the following steps:

A1. The monitoring system sends a target user equipment setting request carrying the target user equipment identifier to the positioning center;

A2. After receiving the target user equipment setting request, the positioning center sets the target user equipment as the monitoring object;

B1. The query direction location center queries the location information of the target user equipment;

B2. The positioning center performs a positioning operation on the target user equipment, and reports a location information query event to the monitoring system, so that the monitoring system can monitor the location service of the target user equipment. The location information query event carries the target user equipment identifier and the identity of the inquiring party logo.

After the step A2, it further includes: the positioning center returns a target user equipment setting response carrying a setting execution result to the monitoring system.

When the positioning center fails to set the target user equipment, the target user equipment setting response further carries a failure reason.

After the step A, it further includes: when the target user equipment is powered on/off, the positioning center reports the target user equipment power-on/off event to the monitoring system, and the target user equipment power-on/off event carries the target user equipment identification and power-on/off event. shutdown time.

The target user equipment power-on event further carries: location information when the target user equipment is powered on/off.

The location information query event further carries: the time to query the location information of the target user equipment and the time when the positioning center performs a positioning operation on the target user equipment.

The location information query event further carries: location information of the target user equipment.

The method further includes: the monitoring system sends a parameter query request carrying a target user equipment identifier to the positioning center, and the positioning center returns a parameter query response carrying a parameter query result to the monitoring system.

If the positioning center successfully queries the parameters of the target user equipment, the parameter query response carries the monitoring parameters of the target user equipment;

If the positioning center fails to query the parameters of the target user equipment, the parameter query response carries a failure reason.

The method further includes: the monitoring system sends a target user equipment list query request carrying a target user equipment identification type to the positioning center, and the positioning center generates a target user equipment list according to the identification type of the target user equipment, and then returns the target user equipment list to the monitoring system. The target user equipment list query response of the target user equipment list query result.

If the positioning center generates the target user equipment list successfully, the target user equipment list query response carries the target user equipment list;

If the operation of the positioning center to generate the target user equipment list fails, the failure reason is carried in the query response of the target user equipment list.

The method further includes: the monitoring system sends a system time query request to the positioning center, and the positioning center returns the current system time of the positioning center to the monitoring system.

The method further includes: the monitoring system sends a target user equipment positioning request carrying a target user equipment identifier to the positioning center, the positioning center locates the target user equipment, and then returns a target user equipment positioning response carrying a positioning result to the monitoring system .

The monitoring system sets a special number corresponding to the target user equipment in the positioning center,

When the target user equipment calls the special number, the positioning center locates the target user equipment, and then returns a target user equipment positioning response to the monitoring system, the target user equipment positioning response carrying the target user equipment identification and positioning results.

The target user equipment positioning response further carries: the special number called by the target user equipment, or the time when the target user equipment called the special number, or a combination of both.

If the location center locates the target user equipment successfully, the location information of the target user equipment is carried in the target user equipment location response;

If the positioning center fails to locate the target user equipment, the target user equipment positioning response carries a failure reason.

The method further includes:

a. The monitoring system sends a target user equipment revocation request carrying the target user equipment identifier to the positioning center;

b. After receiving the cancellation request of the target user equipment, the positioning center cancels the monitoring of the setting of the target user equipment.

After the step b, it further includes: the positioning center returns a target user equipment revocation response carrying a revocation execution result to the monitoring system.

When the location center fails to cancel the target user equipment, the target user equipment cancellation response further carries a failure reason.

The time is referenced to the system time of the positioning center.

The response further carries: a target user equipment identifier.

According to the solution proposed by the present invention, the monitoring system monitors the location service of the target user equipment, so that the monitoring personnel can directly obtain the relevant information of the location service performed by the target user equipment and the location information of the target user equipment through the monitoring system, and easily grasp For the location service performed by the target user equipment, the effectiveness of monitoring activities is improved, so that the monitoring of the target user equipment is more comprehensive and effective. In addition, the present invention proposes a variety of information interaction processes between the monitoring system and the positioning center, so that the monitoring of the location service of the target user equipment is more flexible and effective.

Description of drawings

Fig. 1 is the schematic diagram of the monitoring interface of LIC and mobile communication system;

Fig. 2 is the schematic diagram of the monitoring interface structure of LIC and MSC/SGSN;

Fig. 3 is the monitoring interface structural representation of LIC and HLR/HSS/SMC;

FIG. 4 is a schematic diagram of a solution for locating a target user equipment in a CDMA communication system;

FIG. 5 is a schematic diagram of a solution for locating a target user equipment in a W-CDMA communication system;

Fig. 6 is the listening interface schematic diagram of LIC and MPC/GMLC among the present invention;

Fig. 7 is the listening interface structural representation of LIC and MPC/GMLC among the present invention;

FIG. 8 is a flow chart of target user equipment setting in the present invention;

FIG. 9 is a flow chart of revocation of the target user equipment in the present invention;

Fig. 10 is a flow chart of parameter query in the present invention;

FIG. 11 is a flow chart of target user equipment list query in the present invention;

Fig. 12 is a flow chart of system time query in the present invention;

Fig. 13 is a flow chart of locating target user equipment in the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

The invention connects the monitoring system with the positioning center and uses the interface between the two to carry out information interaction between the monitoring system and the positioning center, so that the monitoring system can monitor the location service of the target user equipment. The positioning center can be an MPC in a CDMA communication system, a GMLC in a W-CDMA communication system, and the like.

Fig. 6 is the listening interface synoptic diagram of LIC and MPC/GMLC in the present invention, as shown in Fig. 6, the present invention is based on the networking of LIC and mobile communication system in the prior art, promptly on the basis of Fig. 1, LIC 104 It is connected with the MPC/GMLC 601 through the X interface, so that the LIC 104 can monitor the location service of the target user equipment.

Fig. 7 is a schematic diagram of the monitoring interface structure between LIC and MPC/GMLC in the present invention, as shown in Fig. 7, since LIC 104 and MPC/GMLC 601 manage the monitoring activity of the location service and report the location service of the target user equipment through the interface Activity-related events, so the X interface 602 between the LIC 104 and the MPC/GMLC 601 only needs to include the X1 interface and the X2 interface, and the transmission bearer of the X1 interface and the X2 interface is TCP/IP or X.25. The X1 interface is used for signaling interaction between LIC 104 and MPC/GMLC 601, and the realized functions include target user equipment setting, target user equipment cancellation, parameter query, target user equipment list query, system time query, and target user equipment positioning etc.; the X2 interface is used to report the activity-related events of the target user equipment in the MPC/GMLC 601, and the reported events include the start-up event of the target user equipment, the shutdown event of the target user equipment, the location information query event and the special number call event, etc.

FIG. 8 is a flow chart of target user equipment setting in the present invention. As shown in FIG. 8, the implementation process of target user equipment setting includes the following steps:

Step 801: The LIC sends a target user equipment setting request to the MPC/GMLC, the target user equipment setting request carries the target user equipment identifier, and requires the MPC/GMLC to set the corresponding target user equipment as the monitoring object, and the corresponding target user equipment Report to LIC when there are events related to location business activities. The target user equipment identifier may be Mobile Directory (MDN), International Mobile Subscriber Identity (IMSI), Electronic Serial Number (ESN) and so on.

The target user equipment setting request may further carry a special number, requiring the MPC/GMLC to locate the target user equipment when the target user equipment calls the special number, and then report the current location information of the target user equipment to the LIC.

Step 802: After receiving the target user equipment setting request, the MPC/GMLC sets the corresponding target user equipment as the monitored object according to the target user equipment identifier, and then returns a target user equipment setting response to the LIC, and the target user equipment setting The response carries the execution result, and if the setting of the target user equipment by the MPC/GMLC fails, the target user equipment setting response may further carry a failure reason.

In addition, the target user equipment setting response may carry the target user equipment identifier and the execution result, so that the LIC can accurately know the execution result for a specific target user equipment, so that even if the target user equipment setting request carries When multiple target user equipments are identified, the LIC can also correspond the execution result to the specific target user equipment.

The target user equipment setting request can also carry the ALL flag, requiring the MPC/GMLC to set all target user equipment under its jurisdiction as monitoring objects. After receiving the target user equipment setting request carrying the ALL flag, the MPC/GMLC will All target user equipment under the jurisdiction are set as listening objects.

Fig. 9 is a flow chart of the revocation of the target user equipment in the present invention. As shown in Fig. 9, the implementation process of the revocation of the target user equipment includes the following steps:

Step 901: The LIC sends a target user equipment revocation request to the MPC/GMLC. The target user equipment revocation request carries the target user equipment identifier, and requests the MPC/GMLC to cancel monitoring of the corresponding target user equipment. The target user equipment identifier may be MDN, IMSI, ESN, etc.

Step 902: After receiving the target user equipment revocation request, the MPC/GMLC cancels monitoring of the corresponding target user equipment according to the target user equipment identifier, and then returns a target user equipment revocation response to the LIC, the target user equipment revocation response carrying execution As a result, if the revocation of the target user equipment by the MPC/GMLC fails, the target user equipment revocation response may further carry a failure reason.

In addition, the target user equipment revocation response may carry the target user equipment identifier and the execution result, so that the LIC can accurately know the execution result for a specific target user equipment, so that even if the target user equipment revocation request carries multiple When the target user equipment is identified, the LIC can also correspond the execution result to the specific target user equipment.

Fig. 10 is a flowchart of parameter query in the present invention, as shown in Fig. 10, the realization process of parameter query comprises the following steps:

Step A1: The LIC sends a parameter query request to the MPC/GMLC, the parameter query request carries the target user equipment identifier, and requests the MPC/GMLC to return the monitoring related parameters of the corresponding target user equipment. The target user equipment identifier may be MDN, IMSI, ESN, etc.

Step A2: After the MPC/GMLC receives the parameter query request, it returns a parameter query response to the LIC. The parameter query response carries the monitoring-related parameters of the corresponding target user equipment. If the MPC/GMLC fails to query the parameters of the target user equipment, then The parameter query response may further carry a failure reason.

In addition, the target user equipment identifier may be further carried in the parameter query response, so that the LIC can determine the corresponding relationship between the returned monitoring related parameters and the target user equipment, so that even if multiple target user equipment identifiers are carried in the parameter query request When , the LIC can also correspond the monitoring-related parameters to the specific target user equipment.

Figure 11 is a flow chart of target user equipment list query in the present invention, as shown in Figure 11, the implementation process of target user equipment list query includes the following steps:

Step B1: LIC sends a target user equipment list query request to MPC/GMLC, the target user equipment list query request carries the target user equipment identification type, and requires MPC/GMLC to monitor the target user equipment identification according to the target user equipment identification type Generate a list and return it. The target user equipment identification type can be MDN type, IMSI type, ESN type, etc., or a combination of several identification types, or ALL, that is, the MPC/GMLC is required to generate a list of all intercepted target user equipment identifications and send them to its return.

Step B2: After the MPC/GMLC receives the target user equipment list query request, it generates a list of monitored target user equipment identifiers according to the target user equipment identifier type, and then returns a target user equipment list query response to the LIC. The target user equipment list query The response carries the generated monitored target user equipment list, and if the MPC/GMLC fails to return the target user equipment list, the target user equipment list query response may further carry a failure reason.

Fig. 12 is a flow chart of system time query in the present invention, as shown in Fig. 12, the realization process of system time query comprises the following steps:

Step C1: LIC sends a system time query request to MPC/GMLC, requesting MPC/GMLC to return the current system time of MPC/GMLC to check the system time difference between LIC and MPC/GMLC.

Step C2: After receiving the system time query request, the MPC/GMLC returns a system time query response carrying the current system time of the MPC/GMLC to the LIC.

FIG. 13 is a flow chart of locating the target user equipment in the present invention. As shown in FIG. 13 , the implementation process of locating the target user equipment includes the following steps:

Step D1: The LIC sends a request to locate the target user equipment to the MPC/GMLC. The target user equipment location request carries the target user equipment identifier, and requests the MPC/GMLC to locate the corresponding target user equipment and return the corresponding target user equipment to it. positioning results. The target user equipment identifier may be MDN, IMSI, ESN, etc.

Step D2: After the MPC/GMLC receives the target user equipment location request, it locates the corresponding target user equipment according to the target user equipment identifier, and then returns the target user equipment location response to the LIC, and the target user equipment location response carries the location result , if the MPC/GMLC successfully locates the target user equipment, the target user equipment positioning response carries the current location information of the target user equipment; if the MPC/GMLC fails to successfully locate the target user equipment, the target user equipment positioning The failure reason is carried in the response. The location information may be geographic location information of the target user equipment, for example, geographic location information represented by latitude and longitude.

In addition, the target user equipment positioning response may further carry the target user equipment identifier, so that the LIC can determine the corresponding relationship between the returned positioning result and the target user equipment, so that even if multiple target user equipment positioning requests are carried in the target user equipment positioning request When the user equipment is identified, the LIC can also correspond the positioning result to the specific target user equipment.

The processes described above in Figures 8 to 13 can be implemented through the X1 interface.

After the LIC sets the monitored target user equipment in the MPC/GMLC, if the target user equipment has corresponding activities in the MPC/GMLC, the MPC/GMLC is triggered to report the target user equipment activity event to the LIC. The target user equipment activity events reported by the MPC/GMLC to the LIC include but are not limited to: target user equipment startup events, target user equipment shutdown events, and location information query events. If the LIC specifies a special number in the MPC/GMLC, when the target user equipment calls the special number, the MPC/GMLC locates the target user equipment, and then reports the current location information of the target user equipment to the LIC. The special numbers may be the called numbers corresponding to each target user equipment. For example, the LIC specifies the special numbers of target user equipment A as 123 and 234, and specifies the special number of target user equipment B as 456. The MPC/GMLC can report the activity of the target user equipment to the LIC through the X2 interface.

When the target user equipment is powered on, the MPC/GMLC reports the target user equipment power-on event to the LIC. The target user equipment power-on event carries the target user equipment identifier and the power-on time of the target user equipment, and may further carry the target user equipment boot time. location information. The parameters corresponding to the location information when the target user equipment is turned on may include coordinate type, specifying the coordinate system adopted, such as a longitude-latitude coordinate system; latitude type, specifying north latitude or south latitude; longitude type, specifying east longitude or west longitude; and where the target user equipment is Detailed latitude and longitude information for the location. The boot time of the target user equipment is referred to by the system time of the MPC/GMLC.

When the target user equipment is turned off, the MPC/GMLC reports the target user equipment shutdown event to the LIC. The target user equipment shutdown event carries the target user equipment identifier and the shutdown time of the target user equipment, and may further carry the target user equipment shutdown time. location information. The parameters corresponding to the location information when the target user equipment is turned off may include coordinate type, specifying the coordinate system adopted, such as a longitude-latitude coordinate system; latitude type, specifying north latitude or south latitude; longitude type, specifying east longitude or west longitude; and where the target user equipment is Detailed latitude and longitude information for the location. The shutdown time of the target user equipment is referred to by the system time of the MPC/GMLC.

When an inquiring party queries the location information of the target user equipment, such as other user equipment querying the location information of the target user equipment through the LCS Client of the service provider (ISP), or the target user equipment queries its own location information, the MPC/GMLC reports to the LIC Location information query event, the location information query event carries the identification of the target user equipment, the identity of the third party, the time when the inquiring party queries the location information of the target user equipment, and the time when the MPC/GMLC performs a positioning operation on the target user equipment, and can It further carries location information of the target user equipment. The parameters corresponding to the location information of the target user equipment may include coordinate type, specifying the coordinate system adopted, such as a longitude-latitude coordinate system; latitude type, specifying north latitude or south latitude; longitude type, specifying east longitude or west longitude; and the location of the target user equipment Detailed latitude and longitude information. The time when the inquiring party queries the location information of the target user equipment and the time when the MPC/GMLC performs a positioning operation on the target user equipment are both based on the system time of the MPC/GMLC. The query party mentioned above can be a third party, such as other user equipment or LCS Client, or the target user equipment itself. 

The LIC specifies the special number corresponding to the target user equipment in the MPC/GMLC. When the target user equipment calls the corresponding special number, the MPC/GMLC locates the target user equipment, and then reports the special number call event to the LIC. The number call event carries the target user equipment identifier and the current location information of the target user equipment, and may further carry the special number called by the target user equipment, so that the LIC can accurately know the current target user equipment location information and which specific special number Corresponding. The parameters corresponding to the location information of the target user equipment may include coordinate type, specifying the coordinate system adopted, such as a longitude-latitude coordinate system; latitude type, specifying north latitude or south latitude; longitude type, specifying east longitude or west longitude; and the location of the target user equipment Detailed latitude and longitude information. In addition, the special number call event may also carry the time when the target user equipment calls the special number, and the time takes the system time of the MPC/GMLC as a reference.

In a word, the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention.

Claims (21)

1. the method for an intercept target location of user equipment business is characterized in that, monitoring system is linked to each other with the centre of location, and the method includes the steps of:

A1, monitoring system send the target UE that carries the target UE sign to the centre of location and set request;

After A2, the centre of location received that target UE is set request, described target UE was set to the eavesdropping target;

B1, ISSUER are to the positional information of centre of location query aim subscriber equipment;

B2, the centre of location position operation to target UE, to monitoring system reporting position information query event, so that monitoring system is monitored the location service of target UE, this place information inquiry incident carries target UE sign, ISSUER's identify label.

2. method according to claim 1 is characterized in that, further comprises after the described steps A 2: the centre of location is returned to monitoring system and is carried the target UE setting response of setting execution result.

3. method according to claim 2 is characterized in that, when the centre of location was failed to the setting of target UE, described target UE was set in the response and further carried failure cause.

4. method according to claim 1, it is characterized in that, further comprise after the described steps A: during described target UE start/shutdown, the centre of location reports target UE start/shut down event to monitoring system, carries target UE sign and start/unused time in this target UE start/shut down event.

5. method according to claim 4 is characterized in that, further carries in the described target UE start incident: the positional information during target UE start/shutdown.

6. method according to claim 1 is characterized in that, described place information inquiry incident further carries: the time of query aim position information of user equipment and the centre of location position the time of operation to target UE.

7. according to claim 1 or 6 described methods, it is characterized in that described place information inquiry incident further carries: the positional information of target UE.

8. method according to claim 1, it is characterized in that, this method further comprises: monitoring system sends the parameter query request that carries the target UE sign to the centre of location, and the centre of location is returned the parameter query response that carries the parameter query result to monitoring system.

9. method according to claim 8 is characterized in that,

If the centre of location to the parameter query success of described target UE, carries the monitoring parameter of this target UE in the then described parameter query response;

If the centre of location to the parameter query failure of described target UE, carries failure cause in the then described parameter query response.

10. method according to claim 1, it is characterized in that, this method further comprises: monitoring system sends the target UE list query request that carries target UE sign type to the centre of location, the centre of location generates the target UE tabulation with target UE according to described sign type, returns the target UE list query response that carries target UE list query result to monitoring system then.

11. method according to claim 10 is characterized in that,

If the centre of location generates the operation success of target UE tabulation, carry described target UE tabulation in the then described target UE list query response;

If the centre of location generates the operation failure of target UE tabulation, carry failure cause in the then described target UE list query response.

12. method according to claim 1 is characterized in that, this method further comprises: monitoring system is to centre of location transmitting system time query requests, and the centre of location is to the current system time at monitoring system restoring to normal position center.

13. method according to claim 1, it is characterized in that, this method further comprises: monitoring system sends the target UE Location Request that carries the target UE sign to the centre of location, the centre of location positions described target UE, returns the target UE location response that carries positioning result to monitoring system then.

14. method according to claim 1 is characterized in that,

Monitoring system is provided with in the centre of location and the corresponding special number of target UE,

When target UE was called out described special number, the centre of location positioned target UE, returns the target UE location response to monitoring system then, carried target UE sign and positioning result in this target UE location response.

15. method according to claim 14 is characterized in that, further carries in the described target UE location response: the special number that target UE is called out, or the time of target UE calling special number, or the combination of the two.

16. according to claim 13 or 14 described methods, it is characterized in that,

If the centre of location to the positioning action success of target UE, carries the positional information of target UE in the then described target UE location response;

If the centre of location carries failure cause to the positioning action failure of target UE in the then described target UE location response.

17. method according to claim 1 is characterized in that, this method further comprises:

A, monitoring system send the target UE that carries the target UE sign to the centre of location and cancel request;

After b, the centre of location receive that target UE is cancelled request, the monitoring that cancellation is provided with described target UE.

18. method according to claim 17 is characterized in that, further comprises after the described step b: the centre of location is returned to monitoring system and is carried the target UE of cancelling execution result and cancel response.

19. method according to claim 18 is characterized in that, when the centre of location was failed to cancelling of target UE, described target UE was cancelled and is further carried failure cause in the response.

20., it is characterized in that the system time of described time with the centre of location is reference according to claim 4,6 or 15 described methods.

21. according to claim 2,8,13 or 18 described methods, it is characterized in that, further carry in the described response: the target UE sign.

Images