CN104754598A - Method and system for obtaining position of mobile user by monitoring mobile signalings - Google Patents
Method and system for obtaining position of mobile user by monitoring mobile signalings Download PDFInfo
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- CN104754598A CN104754598A CN201310729324.4A CN201310729324A CN104754598A CN 104754598 A CN104754598 A CN 104754598A CN 201310729324 A CN201310729324 A CN 201310729324A CN 104754598 A CN104754598 A CN 104754598A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W24/00—Supervisory, monitoring or testing arrangements
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- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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Abstract
The present invention discloses a method and system for obtaining the position of a mobile user by monitoring mobile signalings and relates to the technical field of the positioning of a mobile network. The method comprises the following steps: collecting signalings of an S1-MME (S1-Mobility Management Entity) interface in an LTE (Long Term Evolution) network; sending the collected signalings to a data collecting and processing layer after the collected signalings are uniformly shunted; the data collecting and processing layer analyzing and processing the signalings, extracting information containing the position of a mobile terminal identification number, and storing the information and the generation time of the signalings as one record into a database; a user sending position inquiry request information to the data collecting and processing layer through an application processing layer; and the data collecting and processing layer receiving the position inquiry request information and returning the position information of an inquired mobile terminal to the user. In the present invention, the user of a current mobile terminal can be positioned without the need of modifying the mobile terminal and the mobile network and any influence on a wireless communication network. The present invention has the advantages of high coverage rate, high precision, short positioning response time and high applicability.
Description
Technical field
The present invention relates to mobile network's field of locating technology, more particularly, relate to a kind of method and system being obtained location of mobile users by monitoring mobile signaling protocol.
Background technology
Running fix refers to the mobile communications network of navigation system by mobile operator, adopts relevant locating technology, determines the physical location residing for mobile subscriber by mobile terminals such as monitoring mobile phones.The mobile positioning technique of current main flow is as follows:
1, gps satellite location: GPS(Global Positioning System, global positioning system) by 21 satellites, ground control station and user terminals three part form, mobile terminal determines terminal present position afterwards receiving satellite-signal and carry out calculating.This location technology positioning precision is higher, but can not use in place that is indoor and that have skyscraper to block, and the terminal of user must could realize location by embedded GPS chip, and applicability is poor.
2, OTDOA location technology: OTDOA(Observed Time Difference of Arrival, the time of advent differs from positioning mode) be a kind of locate mode being applied to 3G network.This location technology measures the down-bound pilot frequency signal of different base station due in (TOA, Time of Arrival) by mobile terminal realizes location, and its positioning precision high bit scope is about 100 ~ 200m.But comparatively strong to the dependence of time reference, the impact simultaneously by multi-path jamming is also comparatively large, and the method relates to the measurement of TOA and the calculating of location, and need to make larger amendment on network, it is high that technology realizes cost.
3, A-GPS location technology: A-GPS(Assisted Global Positioning System, the global positioning system of network assistance), this method needs network and mobile terminal to receive GPS information, is a kind of technology combining network base station information and GPS information and position mobile terminal.The advantage of this technology is mainly in its precision, and in open spaces such as outdoors, under normal operation circumstances, its precision can reach 5 ~ 10m, can be rated as a kind of location technology that current positioning precision is the highest, and the time of catching gps signal first generally only needs a few second.But this technology needs to increase GPS chip in mobile terminal, and transforms the antenna of mobile terminal, and will add over the mobile network and build the equipment such as location server, differential GPS base station, its technology will be spent high again, and additional investment cost of operators is larger simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, a kind of method and system being obtained location of mobile users by mobile signaling protocol are provided, the method and system are without the need to modifying to mobile terminal and mobile network, also can not have any impact to cordless communication network, just can locate the position of current mobile terminal user, coverage rate is high, precision is high, and the location response time is fast, applicability is higher.
The technical solution adopted for the present invention to solve the technical problems is, constructs a kind of method being obtained mobile terminal locations by monitoring mobile signaling protocol, comprises the following steps:
In S1, collection LTE network, the signaling of S1-MME interface, sends to data acquisition process layer by after the signaling uniform divided flows of collection;
S2, data acquisition process layer receive described signaling, and described signaling is stamped timestamp, described signaling is resolved, processed, extract the information of the mobile terminal identification that comprises in signaling number and mobile terminal locations, the time that the identification number of mobile terminal and positional information and signaling produce is synthesized a SDR record and is stored in the database of data acquisition process layer;
S3, user send position enquiring request instruction by application processing layer to described data acquisition process layer;
S4, described data acquisition process layer receive described position enquiring request instruction, and the positional information of the mobile terminal be queried is sent to described application processing layer.
In method of the present invention, described step S2 comprises following operation: the signaling received is stamped timestamp, successively the parsing of IP layer protocol, the parsing of SCTP layer protocol, the decoding of S1-AP layer protocol, NAS message protocol-decoding are carried out to described signaling, from decoded NAS message, extract the identification number of mobile terminal and the positional information of mobile terminal, and time signaling produced and the identification number of mobile terminal and positional information are synthesized a SDR record and are stored in the database of data acquisition process layer.
In method of the present invention, the S1-MME interface in described step S1 is Ethernet interface, adopts TAP mode or switch mirror-image fashion to carry out the collection of signaling.
In method of the present invention, the S1-MME interface in described step S1 is optical interface, adopts the mode of light splitting to carry out the collection of signaling.
In method of the present invention, the time that the position enquiring request instruction in described step S3 comprises requesting query and the identification number of mobile terminal be queried.
The present invention also provides a kind of system being obtained mobile terminal locations by monitoring mobile signaling protocol, comprise the data access layer, data acquisition process layer and the application processing layer that communicate to connect successively, described data access layer comprises mobile terminal, the wireless access network of evolution, mobile management entity, home subscriber server, gateway, IP service network; The wireless access network of described evolution is connected with described mobile management entity and described gateway communication, and described mobile management entity and described gateway and described home subscriber server communicate to connect, and described gateway and described IP service network communicate to connect;
Wherein, described data access layer is also comprised the signaling be connected with described wireless access network and described mobile management entity by S1-MME interface and converges shunting device; Described signaling converges shunting device for gathering the signaling of S1-MME interface in LTE network, and sends to data acquisition process layer by after the signaling uniform divided flows of collection;
Described data acquisition process layer comprises a front-end processing group of planes, a described front-end processing group of planes comprises front-end processor, described signaling is stamped timestamp by the signaling data capture card in described front-end processor, extract the information of the mobile terminal identification that comprises in signaling number and mobile terminal locations, the time that the identification number of mobile terminal and positional information and signaling produce is synthesized a SDR record and is stored in the database of front-end processor;
Described application processing layer comprises location-server, and described location-server is used for sending position enquiring instruction to described system;
The location information of mobile terminal be queried also for receiving described position enquiring request instruction, and returns and sends to described location-server by described front-end processor.
In the systems described in the present invention, described front-end processor comprises the signaling data capture card, IP layer protocol resolution unit, SCTP layer protocol resolution unit, S1-AP layer protocol decoding unit, NAS message protocol-decoding unit and the location information acquiring unit that are connected successively;
Described signaling data capture card converges through described signaling the signaling sended over after shunting device shunting for receiving, and described signaling is stamped timestamp;
Described location information acquiring unit is used for from decoded NAS message, extract the identification number of mobile terminal and the positional information of mobile terminal, and time signaling produced and the identification number of each mobile terminal and positional information are synthesized a SDR record and be stored in the database of data acquisition process layer.
In the systems described in the present invention, described S1-MME interface is Ethernet interface, adopts TAP mode or switch mirror-image fashion to carry out the collection of signaling.
In the systems described in the present invention, described S1-MME interface is optical interface, adopts the mode of light splitting to carry out the collection of signaling.
In the systems described in the present invention, described position enquiring request instruction time of comprising requesting query and the identification number of mobile terminal that is queried.
Implement a kind of method and system being obtained location of mobile users by monitoring mobile signaling protocol provided by the invention, there is following beneficial effect: the present invention is by gathering the signaling of the S1-MME interface between wireless access network and nucleus equipment mobile management entity, by resolving the signaling collected and processing the positional information obtaining mobile terminal, the method and system are without the need to modifying to mobile terminal and mobile network, also can not have any impact to cordless communication network, just can locate the position of current mobile terminal user, coverage rate is high, precision is high, and the location response time is fast, applicability is higher.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is that the present invention passes through to monitor the flow chart that mobile signaling protocol obtains mobile terminal locations embodiment of the method;
Fig. 2 is the specific works flow process figure of step S2 shown in Fig. 1;
Fig. 3 is that the present invention passes through to monitor the structural representation that mobile signaling protocol obtains mobile terminal locations system embodiment.
Embodiment
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
Fig. 1 is that the present invention passes through to monitor the flow chart that mobile signaling protocol obtains mobile terminal locations embodiment of the method.Shown in Figure 1, what the first embodiment of the present invention provided obtains mobile terminal locations method by monitoring mobile signaling protocol, comprises the following steps:
In S1, collection LTE (Long Term Evolution, Long Term Evolution) network, the signaling of S1-MME interface, sends to data acquisition process layer by after the signaling uniform divided flows of collection; Here S1-MME interface is wireless access network and equipment of the core network mobile management entity 3(MME, Moblity Management Entity) interface, this interface type can adopt Ethernet interface and optical interface physically, when adopting Ethernet interface, adopting TAP(Test Access Point, splitter) mode or switch mirror-image fashion carry out the collection of signaling; When adopting optical interface, the mode of light splitting is adopted to carry out the collection of signaling;
S2, data acquisition process layer receive signaling, and signaling is stamped timestamp, signaling is resolved, processes, extract the information of the mobile terminal identification that comprises in signaling number and mobile terminal locations, the time that the identification number of mobile terminal and positional information and signaling produce is synthesized a SDR (Session detailRecord, session detail record) record to be stored in the database of data acquisition process layer; Here it should be noted that, this SDR records the inside and contains the identification number of each mobile terminal, the positional information (i.e. the sector number of base station, mobile terminal place) of mobile terminal and comprise the time of this location information of mobile terminal signaling generation;
S3, user send position enquiring request instruction by application processing layer to data acquisition process layer; Here the time mainly comprising requesting query in position enquiring request instruction and the identification number of mobile terminal be queried;
S4, the instruction of data acquisition process layer receiving position inquiry request, and the positional information of the mobile terminal be queried is sent to application processing layer; Here it should be noted that, when data acquisition process layer receives position enquiring request instruction, Auto-matching comprises the SDR record with the time interval identical information of mobile terminal identification in request instruction number and requesting query, therefrom extract the base station section numbering ECell-ID at mobile terminal place, the physical location correspondence table that actual mobile network corresponding according to base station section numbering ECell-ID again writes when building inquires the physical location information of mobile terminal, thus obtain the particular location of mobile terminal, then this positional information is returned to application processing layer.
Fig. 2 is the specific works flow process figure of step S2 shown in Fig. 1.In the method that second embodiment of the invention provides, shown in Figure 2, relative to first embodiment of the invention, in this embodiment, step S2 comprises following operation: the signaling received is stamped timestamp, successively the parsing of IP layer protocol is carried out to signaling, SCTP layer protocol is resolved, S1-AP layer protocol is decoded, NAS message protocol-decoding, the identification number of mobile terminal and the positional information of mobile terminal is extracted from decoded NAS message, and by the time of signaling generation, the identification number of mobile terminal and positional information are synthesized a SDR record and are stored in the database of data acquisition process layer, equally here, SDR record comprises mobile terminal identification number, the sector number of base station, mobile terminal place, and the time that the signaling of the identification number and positional information that comprise this mobile terminal produces.
In said method flow process, user can directly by gathering the signaling of S1-MME interface between wireless access network and equipment of the core network mobile management entity 3, by resolving the signaling collected and processing the positional information obtaining mobile terminal, without the need to modifying to mobile terminal and mobile network, also can not have any impact to cordless communication network, just can locate the position of current mobile terminal user, coverage rate is high, precision is high, and the location response time is fast, applicability is higher.
Method provided by the invention, is mainly applicable to following scene: attachment business scenario, attachment removal business scenario, the service request scene of mobile terminal initiation, dedicated bearer set up scene, tracking area update scene, handoff scenario.
Here to adhere to business scenario, under this scene mobile terminal-opening attachment business scenario under, the positional information of mobile terminal is present in Initial UE Message(initial direct-sending message) in, the field information that this message comprises is as shown in the table.
Table 1
In this table, eNB UE S1AP ID value represents at this eNodeB(Evolved NodeB, the NodeB of evolution) middle UE(User Equipment, subscriber equipment, i.e. mobile terminal) S1 interface, by utilizing this mark, mobile management entity 3 side determines that S1-MME interface logic corresponding to UE connects; TAI value is by PLMN IDentitity(Public Land Mobile Network IDentitity, public land mobile network identifies) and TAC(Tracking Area Code, tracking area is encoded) composition, uniquely illustrate the Tracking Area(tracking area identification of UE); In Presence, M represents that this information must be with, if when to can not get Presence in signaling process be M information, need to provide default value; In Presence, O represents that this information is that condition is optional, can not carry the information that Presence is O in this message.Can find out under attachment business scenario from this table, the positional information of subscriber equipment is contained in its Initial UE Message, user directly can monitor the signaling at mobile terminal S1-MME interface place in the lte networks, undertaken resolving, processing by this signaling, the positional information at the mobile terminal place of the required inquiry of user can be obtained, without the need to modifying to mobile terminal and mobile network, also can not have any impact to cordless communication network.
Fig. 3 is that the present invention passes through to monitor the structural representation that mobile signaling protocol obtains mobile terminal locations system embodiment.Shown in Figure 3, a kind of system being obtained mobile terminal locations by monitoring mobile signaling protocol that the present embodiment provides, comprise communicate to connect successively data access layer, data acquisition process layer and application processing layer, described data access layer comprises subscriber equipment 9(and mobile terminal), the wireless access network 2 of evolution, mobile management entity 3, home subscriber server 4, gateway 5, IP service network 6, the wireless access network 2 of evolution communicates to connect with mobile management entity 3 and gateway 5, mobile management entity 3 communicates to connect with gateway 5 and home subscriber server 4, gateway 5 and IP service network 6 communicate to connect, the wireless access network of evolution divides 2 not to be connected with mobile management entity 3 and gateway 5 with S1-U interface by S1-MME interface particularly, mobile management entity 3 is connected with gateway 5 and home subscriber server 4 with S6a interface respectively by S11 interface, gateway 5 is connected with IP service network 6 by SGi interface, here gateway 5 is S-GW(ServingGateway, gateway) and P-GW(PDN Gateway, packet data gateway) set of two network elements, here subscriber equipment 9 carries out producing mobile communication signaling message when communicating in the lte networks.In addition, data access layer is also comprised the signaling be connected with wireless access network 2 and the mobile management entity 3 of evolution by S1-MME interface and converges shunting device 7; Signaling converges shunting device 7 for gathering the signaling of S1-MME interface in LTE network, and sends to data acquisition process layer by after the signaling uniform divided flows of collection.Equally, the S1-MME interface in the present embodiment is Ethernet interface or optical interface, when S1-MME interface is Ethernet interface, adopts TAP mode or switch mirror-image fashion to carry out the collection of signaling; When S1-MME interface is optical interface, the mode of light splitting is adopted to carry out the collection of signaling.
Data acquisition process layer comprises a front-end processing group of planes 8, a front-end processing group of planes 8 comprises front-end processor, front-end processor is used for signaling to stamp timestamp, extract the information of the mobile terminal identification that comprises in signaling number and mobile terminal locations, the time that the identification number of mobile terminal and positional information and signaling produce is synthesized a SDR record and is stored in the database of front-end processor; Equally, SDR record the inside here contains identification number for mobile terminal, the positional information (i.e. the numbering of base station, mobile terminal place) of mobile terminal and comprises the time of this location information of mobile terminal signaling generation.Here it should be noted that, adopt Diffluence Algorithm to carry out equilibrium shunting process to signaling in the present embodiment, a front-end processing group of planes 8 is sent to like this by after signaling data stream uniform divided flows, use multiple front-end processor to resolve the signaling collected, process simultaneously, the processing time of signaling can be reduced, improve the treatment effeciency of signaling.
Application processing layer comprises location-server 1, and location-server 1 is for sending position enquiring solicited message to system; Here location-server 1 can select the communication modes such as note, WAP, WEB or voice to send the solicited message of position enquiring.
In the present embodiment, the location information of mobile terminal be queried also for receiving position inquiry request information, and is sent to location-server 1 by front-end processor.Particularly, in this embodiment, front-end processor comprises the signaling data capture card, IP layer protocol resolution unit, SCTP layer protocol resolution unit, S1-AP layer protocol decoding unit, NAS message protocol-decoding unit and the location information acquiring unit that are connected successively.Wherein, signaling data capture card converges through signaling the signaling sended over after shunting device 7 is shunted for receiving, and described signaling is stamped timestamp, location information acquiring unit is used for from decoded NAS message, extract the identification number of mobile terminal and the positional information of mobile terminal, and time signaling produced and the identification number of each mobile terminal and positional information are synthesized a SDR record and are stored in the database of data acquisition process layer, when receiving the solicited message of the position enquiring that user sends, front-end processing and in location information acquiring unit from database, automatically extract the SDR record matched with the time of the mobile terminal identification in this solicited message number and requesting query, and read the base station section numbering at mobile terminal place in this SDR record, obtain and its longitude according to this base station numbering, latitude information, and by this longitude, dimensional information is converted to Word message and returns to user, thus complete one-time positioning business.
The method and system that the application of the invention provides, in the lte networks without the need to GPS chip embedded on the mobile terminal of user, and without the need to making larger amendment to network, by means of only the signaling of monitoring mobile terminal S1-MME interface in the lte networks, the position residing for this mobile terminal can be obtained from this signaling, and the method and system implement than being easier to, with a high credibility, coverage rate is high (as long as there is the place of wireless signal namely can position, be applicable to indoor, inside community that skyscraper blocks), the location response time is fast.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (10)
1. obtained a method for mobile terminal locations by monitoring mobile signaling protocol, it is characterized in that, comprise the following steps:
In S1, collection LTE network, the signaling of S1-MME interface, sends to data acquisition process layer by after the signaling uniform divided flows of collection;
S2, data acquisition process layer receive described signaling, and described signaling is stamped timestamp, described signaling is resolved, processed, extract the mobile terminal identification that comprises in signaling number and location information of mobile terminal, the time that the identification number of mobile terminal and positional information and signaling produce is synthesized a SDR record and is stored in the database of data acquisition process layer;
S3, user send position enquiring request instruction by application processing layer to described data acquisition process layer;
S4, described data acquisition process layer receive described position enquiring request instruction, and the positional information of the mobile terminal be queried is sent to described application processing layer.
2. method according to claim 1, it is characterized in that, described step S2 comprises following operation: the signaling received is stamped timestamp, successively the parsing of IP layer protocol, the parsing of SCTP layer protocol, the decoding of S1-AP layer protocol, NAS message protocol-decoding are carried out to described signaling, from decoded NAS message, extract identification number and the positional information of mobile terminal, and time signaling produced, the identification number of mobile terminal and positional information are synthesized a SDR record and are stored in the database of data acquisition process layer.
3. method according to claim 2, is characterized in that, the S1-MME interface in described step S1 is Ethernet interface, adopts TAP mode or switch mirror-image fashion to carry out the collection of signaling.
4. method according to claim 2, is characterized in that, the S1-MME interface in described step S1 is optical interface, adopts the mode of light splitting to carry out the collection of signaling.
5. method according to claim 1, is characterized in that, the time that the position enquiring request instruction in described step S3 comprises requesting query and the identification number of mobile terminal be queried.
6. one kind obtains the system of mobile terminal locations by monitoring mobile signaling protocol, it is characterized in that: comprise the data access layer, data acquisition process layer and the application processing layer that communicate to connect successively, described data access layer comprises wireless access network (2), mobile management entity (3), home subscriber server (4), gateway (5), the IP service network (6) of evolution; The wireless access network of described evolution and described mobile management entity (3) and described gateway (5) communicate to connect, described mobile management entity 3 communicates to connect with described gateway (5) and described home subscriber server (4), and described gateway (5) and described IP service network (6) communicate to connect;
Wherein, described data access layer is also comprised the signaling be connected with wireless access network and the described mobile management entity (3) of described evolution by S1-MME interface and converges shunting device (7); Described signaling converges shunting device (7) for gathering the signaling of S1-MME interface in LTE network, and sends to data acquisition process layer by after the signaling uniform divided flows of collection;
Described data acquisition process layer comprises a front-end processing group of planes (8), a described front-end processing group of planes (8) comprises front-end processor, described front-end processor is used for the described signaling collected to stamp timestamp, extract the information of the mobile terminal identification that comprises in signaling number and mobile terminal locations, the time that the identification number of mobile terminal and positional information and signaling produce is synthesized a SDR record and is stored in the database of front-end processor;
Described application processing layer comprises location-server (1), and described location-server (1) is for sending position enquiring request instruction to described system;
The location information of mobile terminal be queried to also for receiving described position enquiring request instruction, and is returned to described location-server (1) by described front-end processor.
7. system according to claim 6, it is characterized in that, described front-end processor comprises the signaling data capture card, IP layer protocol resolution unit, SCTP layer protocol resolution unit, S1-AP layer protocol decoding unit, NAS message protocol-decoding unit and the location information acquiring unit that are connected successively;
Described signaling data capture card is used for receiving the signaling sended over after described signaling convergence shunting device (7) shunting, and described signaling is stamped timestamp;
Described location information acquiring unit is used for from decoded NAS message, extract the identification number of mobile terminal and the positional information of mobile terminal, and time signaling produced and the identification number of each mobile terminal and positional information are synthesized a SDR record and be stored in the database of data acquisition process layer.
8. system according to claim 6, is characterized in that, described S1-MME interface is Ethernet interface, adopts TAP mode or switch mirror-image fashion to carry out the collection of signaling.
9. system according to claim 6, is characterized in that, described S1-MME interface is optical interface, adopts the mode of light splitting to carry out the collection of signaling.
10. system according to claim 6, is characterized in that, the time that described position enquiring request instruction comprises requesting query and the identification number of mobile terminal be queried.
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| CN112449310A (en) * | 2019-09-02 | 2021-03-05 | 中国移动通信集团重庆有限公司 | Signal coverage blind area positioning method, server side, terminal and computing equipment |
| CN111954299A (en) * | 2020-08-17 | 2020-11-17 | 北京双洲科技有限公司 | Position information acquisition method, device and system |
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