CN102917347A - Preprocessing method and system for monitoring multimode terminal - Google Patents
Preprocessing method and system for monitoring multimode terminal Download PDFInfo
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- CN102917347A CN102917347A CN2012104006949A CN201210400694A CN102917347A CN 102917347 A CN102917347 A CN 102917347A CN 2012104006949 A CN2012104006949 A CN 2012104006949A CN 201210400694 A CN201210400694 A CN 201210400694A CN 102917347 A CN102917347 A CN 102917347A
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Abstract
The invention provides a preprocessing method and system for monitoring a multimode terminal. The preprocessing method comprises the following steps that: a first pseudo base station clones itself into a base station in a first public network, and a target multimode terminal is in the base station of the first public network; the first pseudo base station sends a downgoing signal to the target multimode terminal, receives a positioning updating request returned by the target multimode terminal and brings the target multimode terminal into a control scope; the first pseudo base station constructs a base station reassortment signaling, transmits the base station reassortment signaling to the target multimode terminal and assigns the target multimode terminal to a second pseudo base station, wherein the safety level of the first public network is higher than that of a second public network; and the second pseudo base station sends a downgoing signal to the target multimode terminal, receives a position updating request returned by the target multimode terminal and brings the target multimode terminal into a control scope so as to monitor the target multimode terminal. The preprocessing method and system disclosed by the invention ensure the stability of the public networks and provide basis for monitoring to the target multimode terminal of a high-safety-level network.
Description
Technical field
The present invention relates to the communication monitoring field, more particularly, relate to a kind of preprocess method and system that monitors multimode terminal.
Background technology
In the special duties such as at present criminal investigation, the personnel in charge of the case often can use pseudo-base station that the multimode terminal under the offender is monitored, and to obtain offender's Content of Communication, realizes effective monitoring and tracking to the offender.Before multimode terminal is monitored, need carry out preliminary treatment, by preliminary treatment so that pseudo-base station can obtain the Content of Communication of multimode terminal, for follow-up monitoring multimode terminal provide the basis; The preprocessing means of monitoring multimode terminal commonly used is at present: adopt pseudo-base station that the residing public network of multimode terminal is attacked, as attack the residing 2G(Second Generation of multimode terminal, second generation mobile communication technology), 3G(3rd Generation, the 3G (Third Generation) Moblie technology) etc. public network cracks the secure service data relevant with multimode terminal; Can crack the business datum that multimode terminal is encrypted by above-mentioned preprocessing process, so that pseudo-base station can obtain the Content of Communication of multimode terminal, for follow-up monitoring multimode terminal provides the foundation, and then realize obtaining identity information, positional information and the Content of Communication of target multimode terminal, the business of multimode terminal is carried out the monitoring purposes such as gating.
The pretreatment mode of existing monitoring multimode terminal need adopt pseudo-base station that public network is attacked, and this is so that the stability of public network reduces, and then self is monitored so that the offender discovers easily; In addition along with 3G, 4G(4th Generation, the 4th third-generation mobile communication technology) rise of contour safety class networks, the Security mechanism of public network has obtained enhancing, the pseudo-base station of existing employing is attacked public network, with pretreatment mode and the inapplicable high safety grade network of monitoring multimode terminal.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of preprocess method and system that monitors multimode terminal, has the problem that reduces public network stability, inapplicable high safety grade network with the pretreatment mode that solves existing monitoring multimode terminal.
For achieving the above object, the embodiment of the invention provides following technical scheme:
A kind of preprocess method of monitoring multimode terminal is characterized in that, comprising:
The first pseudo-base station is according to the base station feature of the first public network around the target multimode terminal, and with the base station of self cloning in described the first public network, described target multimode terminal is in the base station of described the first public network;
The described first pseudo-base station sends downstream signal to described target multimode terminal, receives the position updating request that described target multimode terminal returns, and includes described target multimode terminal in control range;
Structure base station, the described first pseudo-base station reprovision signaling, described base station reprovision signaling is sent to described target multimode terminal, in the pseudo-base station of the described target of assignment multimode terminal to the second, base station with in the described second public network identical pseudo-base station of the described second pseudo-base station for cloning according to the base station feature of the second public network around the described target multimode terminal, the safe class of described the first public network is higher than the safe class of described the second public network;
The described second pseudo-base station sends downstream signal to described target multimode terminal, receives the position updating request that described target multimode terminal returns, and includes described target multimode terminal in control range, in order to monitor described target multimode terminal.
Wherein, the described first pseudo-base station comprises to described target multimode terminal transmission downstream signal:
The described first pseudo-base station sends downstream signal to described target multimode terminal, make described target multimode terminal in the coverage of this downstream signal, wherein, the power of this downstream signal is higher than the signal of the first public network base station that is cloned, and satisfies the same system cell reselection condition of described target multimode terminal under the first public network.
Wherein, described the first public network is cellular mobile communication networks, and the described first pseudo-base station comprises the base station of self cloning in described the first public network according to the base station feature of the first public network around the target multimode terminal:
The described first pseudo-base station with self clone into described the first public network in be cloned the base station that there are identical system message, identical frequency and identical scrambler in the base station.
Wherein, described cellular mobile communication networks is the 3G (Third Generation) Moblie 3G network, and the described first pseudo-base station assigned described target multimode terminal to the second comprises in the pseudo-base station:
The described first pseudo-base station sends radio resource control RRC release message to described target multimode terminal, in described RRC release message the target system is filled to described the second public network, target cell information is extended this as the information of described the second pseudo-base station.
Wherein, the described first pseudo-base station also comprises after described target multimode terminal sends described RRC release message:
The described first pseudo-base station is after request message is set up in the RRC connection that receives described target multimode terminal transmission, send the RRC refuse information to described target multimode terminal, in described RRC refuse information, fill objective body and be made as described the second public network, fill in the information that target cell information is described the second pseudo-base station.
Wherein, the described first pseudo-base station also comprises after including described target multimode terminal in control range:
The identity request message of the described target multimode terminal true identity of the described first pseudo-base station structure inquiry sends to described target multimode terminal with described identity request message;
The identity response message of carrying self true identity information that receives that described target multimode terminal replys.
Wherein, the described second pseudo-base station comprises to described target multimode terminal transmission downstream signal:
The described second pseudo-base station sends downstream signal to described target multimode terminal, make described target multimode terminal in the coverage of this downstream signal, wherein, the power of this downstream signal is higher than the signal of the second public network base station that is cloned, and satisfies the reselection conditions of described target multimode terminal from the first public network cell gravity treatment to the second public network cell.
Wherein, the described second pseudo-base station also comprises after including described target multimode terminal in control range:
The identity request message of the described target multimode terminal true identity of structure inquiry sends to described target multimode terminal with described identity request message;
The identity response message that carries self true identity information that receives that described target multimode terminal replys;
Construction location upgrades accepts message, message is accepted in the renewal of described position sent to described target multimode terminal, so that described target multimode terminal resides in the described second pseudo-base station.
Wherein, described the second public network is cellular mobile communication networks, and described method also comprises:
The described second pseudo-base station is to described target multi-mode terminal carrying out service gating.
Wherein, described cellular mobile communication networks is Generation Mobile Telecommunication System 2G network;
The described second pseudo-base station comprises described target multi-mode terminal carrying out service gating:
The described second pseudo-base station receives the connection management CM business request information that described target multimode terminal sends;
From described CM business request information, extract identity information and the traffic type information of described target multimode terminal;
The professional gating item of target multimode terminal described in the comparison presetting database judges whether to allow described target multimode terminal to carry out business with the corresponding type of described traffic type information;
If the described second pseudo-base station sends the CM business to described target multimode terminal and accepts message, allows described target multimode terminal to carry out the business of described type, obtains the Content of Communication of described target multimode terminal;
If not, the described second pseudo-base station sends CM service denial message to described target multimode terminal, stops described target multimode terminal to carry out the business of described type.
The embodiment of the invention also provides a kind of pretreatment system of monitoring multimode terminal, comprising: the first pseudo-base station and the second pseudo-base station;
The described first pseudo-base station, be used for the base station feature according to the first public network around the target multimode terminal, with the base station of self cloning in described the first public network, described target multimode terminal is in the base station of the first public network, send downstream signal to described target multimode terminal, receive the position updating request that described target multimode terminal returns, include described target multimode terminal in control range, structure base station reprovision signaling, described base station reprovision signaling is sent to described target multimode terminal, and the described target multimode terminal of assignment is in the described second pseudo-base station;
The described second pseudo-base station, be used for the base station feature according to the second public network around the described target multimode terminal, with the base station of self cloning in described the second public network, send downstream signal to described target multimode terminal, receive the position updating request that described target multimode terminal returns, include described target multimode terminal in control range, in order to monitor described target multimode terminal;
Wherein, the safe class of described the first public network is higher than the safe class of the second public network.
Based on technique scheme, the base station in the first public network is cloned in the first pseudo-base station in the preprocess method of the monitoring multimode terminal that the embodiment of the invention provides, the base station in the second public network is cloned in the second pseudo-base station, the target multimode terminal is initially in the base station of the first public network, after base station in the first public network is cloned in the first pseudo-base station, the first pseudo-base station sends downstream signal to the target multimode terminal, include the target multimode terminal in control range, structure base station reprovision signaling, the target multimode terminal is assigned in the second pseudo-base station, the second pseudo-base station, send downstream signal to the target multimode terminal, include the target multimode terminal in control range, in order to the target multimode terminal is monitored, wherein the safe class of the first public network is higher than the safe class of the second public network.The embodiment of the invention is by cloning into the public network base station with pseudo-base station, by the structure signaling message identical with the public network base station, can be in the noninductive situation in target multimode terminal and public network base station, the target multimode terminal is included in the lower communication network of the safe class that made up by the second pseudo-base station, thereby for follow-up monitoring to the target multimode terminal provides the basis, avoided pseudo-base station to the attack of public network, guaranteed the stability of public network, the target multimode terminal assignment that is in the high safety grade network can be entered in the communication network of lower security grade by the embodiment of the invention simultaneously, provide the foundation for the target multimode terminal of high safety grade network is monitored.There is the problem that reduces public network stability, inapplicable high safety grade network in the pretreatment mode that the invention solves existing monitoring multimode terminal, has guaranteed the stability of public network, provides the foundation for the target multimode terminal of high safety grade network is monitored.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The flow chart of the preprocess method of the monitoring multimode terminal that Fig. 1 provides for the embodiment of the invention;
Another flow chart of the preprocess method of the monitoring multimode terminal that Fig. 2 provides for the embodiment of the invention;
The first pseudo-base station that Fig. 3 embodiment of the invention provides and the signaling process figure between the target multimode terminal;
The first pseudo-base station that Fig. 4 provides for the embodiment of the invention and another signaling process figure between the target multimode terminal;
The first pseudo-base station that Fig. 5 provides for the embodiment of the invention and the another signaling process figure between the target multimode terminal;
The second pseudo-base station that Fig. 6 provides for the embodiment of the invention is included the target multimode terminal in the signaling process figure of control range;
After in control range is included the target multimode terminal in the second pseudo-base station that Fig. 7 provides for the embodiment of the invention, carry out the signaling process figure of professional gating;
The another flow chart of the preprocess method of the monitoring multimode terminal that Fig. 8 provides for the embodiment of the invention;
The second pseudo-base station that Fig. 9 provides for the embodiment of the invention is to the method flow diagram of target multi-mode terminal carrying out service gating;
The pretreatment system of the monitoring multimode terminal that Figure 10 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The flow chart of the preprocess method of the monitoring multimode terminal that Fig. 1 provides for the embodiment of the invention, with reference to Fig. 1, the method can comprise:
Step S100, the first pseudo-base station are according to the base station feature of the first public network around the target multimode terminal, with the base station of self cloning in described the first public network;
Before step S100 carries out, also should carry out first the selected of target multimode terminal, the target multimode terminal can be one or more, situation for a target multimode terminal, can be by the IMSI(International Mobile Subscriber Identity of target multimode terminal, International Mobile Station Equipment Identification code) etc. international mobile subscriber identification code) or IMEI(International Mobile Equipment Identity, sign is carried out the selected of target multimode terminal; Situation for a plurality of target multimode terminals, the signs such as IMSI that can be by each target multimode terminal or IMEI are carried out the selected of target multimode terminal, also can be according to the residing regional location of these a plurality of target multimode terminals, carrying out the selected of target multimode terminal, all is target multimode terminals such as the multimode terminal that can be selected in the specific region.
The embodiment of the invention is carried out the selected device of target multimode terminal and is not limited, and can be the device that has arbitrarily the selected function of target multimode terminal.
Behind the selected target multimode terminal, obtain the base station feature of target multimode terminal the first public network on every side, the first public network is communication network corresponding to the initial base station of living in of target multimode terminal; The base station is characterized as the parameter that characterizes a certain public network base station characteristic, is the foundation of distinguishing with other public network base stations; The implementation of obtaining the base station feature of target multimode terminal the first public network on every side is chosen as: the first all public network cell around frequency range search target multimode terminal corresponding to the first public network, receive the system message of the base station of each residential quarter, thereby obtain the base station feature of the first public network.Refer to the zone of the residing setting range of target multimode terminal around the target multimode terminal, be chosen as take the target multimode terminal as round dot, border circular areas take setpoint distance as radius, do not limit for the setting means embodiment of the invention around the target multimode terminal in the rectangular areas of yet putting centered by the target multimode terminal etc.
The embodiment of the invention is obtained the device of the base station feature of the first public network around the target multimode terminal and is not limited, and can be the device that has arbitrarily the base station feature functionality that obtains target multimode terminal the first public network on every side.
After the base station feature of having obtained target multimode terminal the first public network on every side, the first pseudo-base station is according to the base station feature of the first public network around the target multimode terminal, with the base station of self cloning in the first public network, namely the first pseudo-base station with self be configured to the first public network in be cloned the base station that the base station has the same characteristic features parameter.
Optionally, for making the target multimode terminal more rapidly from the pseudo-base station of public network cell gravity treatment to the first, but clone the weak base station of signal in the adjacent area, base station of resident the first public network of the first pseudo-base station select target multimode terminal.Obviously, arbitrary base station of target multimode terminal the first public network on every side also can will self be cloned in the first pseudo-base station.
Step S110, the described first pseudo-base station send downstream signal to described target multimode terminal, receive the position updating request that described target multimode terminal returns, and include described target multimode terminal in control range;
After base station in the first public network is cloned in the first pseudo-base station, send downstream signal to the target multimode terminal, so that the target multimode terminal is to the first pseudo-base station home position update request, so that in control range can be included the target multimode terminal in the first pseudo-base station;
For so that the target multimode terminal can be to the first pseudo-base station home position update request, a kind of the optional first pseudo-base station to the implementation that the target multimode terminal sends downstream signal is: the first pseudo-base station sends downstream signal to the target multimode terminal, make the target multimode terminal in the coverage of this downstream signal, wherein, the power of this downstream signal is higher than the signal of the base station that is cloned in the first public network, and satisfies the same system cell reselection condition of target multimode terminal under the first public network.Optionally, the first pseudo-base station is before sending downstream signal to the target multimode terminal, carry out first the structure of downstream signal, the downstream signal power of constructing is higher than the signal of the base station that is cloned in the first public network, and this downstream signal can satisfy the same system cell reselection condition of target multimode terminal under the first public network, can be so that the target multimode terminal be after receiving this downstream signal, can the pseudo-base station of cell reselection to the first, and to the first pseudo-base station launch position update request;
The first pseudo-base station receives the position updating request that the target multimode terminal sends, and shows the pseudo-base station of gravity treatment to the first of target multimode terminal, and in control range has been included the target multimode terminal in the first pseudo-base station.
By the first pseudo-base station being cloned into the pseudo-base station identical with the base station of the first public network, the first pseudo-base station is again with the identity of the base station of the first public network, include the target multimode terminal in control range, can be in noninductive state at target multimode terminal and the first public network, the transfer of realize target multimode terminal communication network of living in.
Step S120, structure base station, the described first pseudo-base station reprovision signaling send to described target multimode terminal with described base station reprovision signaling, in the pseudo-base station of the described target of assignment multimode terminal to the second;
After in control range was included the target multimode terminal in the first pseudo-base station, structure base station, the first pseudo-base station reprovision signaling assigned to the target multimode terminal in the second pseudo-base station, so that the follow-up second pseudo-base station is to the monitoring of target multimode terminal; The identical pseudo-base station, the base station with in the second public network that clone for the base station feature of the second public network around the foundation target multimode terminal the second pseudo-base station, the safe class of the first public network is higher than the safe class of the second public network;
Need to be with the base station of self cloning in the first public network except the first pseudo-base station in the embodiment of the invention, another pseudo-base station i.e. the second pseudo-base station also needs the base station of will self clone in the second public network, the first public network and the second public network are the heterogeneous networks that exists around the target multimode terminal, such as WCDMA(Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA)), GSM(Global System of Mobile communication, global system for mobile communications), WiMAX(Worldwide Interoperability for Microwave Access, worldwide interoperability for microwave accesses) and WLAN(Wireless Local Area Networks, WLAN) mobile communications network such as, the safe class of the first public network is higher than the safe class of the second public network, is higher than the safe class of GSM such as the safe class of WCDMA.
Hence one can see that, the embodiment of the invention also needs to obtain the base station characteristic parameter of target multimode terminal the second public network on every side, the base station characteristic parameter of the second public network that passes through to obtain, the second pseudo-base station is with the base station of self cloning in the second public network, wherein, the optional implementation of obtaining the base station characteristic parameter of target multimode terminal the second public network on every side is: the second all public network cell around frequency range search target multimode terminal corresponding to the second public network, receive the system message of the base station of each residential quarter, thereby obtain the base station feature of the second public network; The optional implementation of this and the base station feature of obtaining the first public network around the target multimode terminal as described above is similar, but both cross-references.After the base station feature of having obtained the second public network around the target multimode terminal, the second pseudo-base station is the base station of self cloning in the second public network, namely the second pseudo-base station with self be configured to the second public network in be cloned the base station that the base station has the same characteristic features parameter.
Obtain the base station characteristic parameter of target multimode terminal the second public network on every side in the embodiment of the invention, the operation of the base station in the second public network will self be cloned in the second pseudo-base station, carried out before can be in the pseudo-base station of the first pseudo-base station assigned target multimode terminal to the second, the embodiment of the invention is not restricted this.Optionally, can be in the base station characteristic parameter that obtains target multimode terminal the first public network on every side, obtain the base station characteristic parameter of target multimode terminal the second public network on every side, when the first pseudo-base station is with the base station of self cloning in the first public network, the second pseudo-base station is with the base station of self cloning in the second public network, obviously need only the first pseudo-base station when the pseudo-base station of assignment target multimode terminal to the second, the base station that has cloned in the second public network the second pseudo-base station gets final product.
Optionally, for making the target multimode terminal more rapidly from the pseudo-base station of the first pseudo-base station cell gravity treatment to the second, after base station in the first public network is cloned in the first pseudo-base station, the second weak public network base station of signal in the adjacent area, the first pseudo-base station can be cloned in the second pseudo-base station, and the characteristic parameter that is about to the second pseudo-base station is configured to the characteristic parameter of the second public network base station a little less than of signal adjacent area, the first pseudo-base station in.
Step S130, the second pseudo-base station send downstream signal to described target multimode terminal, receive the position updating request that described target multimode terminal returns, and include described target multimode terminal in control range, in order to monitor described target multimode terminal.
The second pseudo-base station is configuring adjacent cell not, sends downstream signal, so that the target multimode terminal is included in the control range; A kind of optional implementation to target multimode terminal transmission downstream signal is: the second pseudo-base station sends downstream signal to the target multimode terminal, make the target multimode terminal in the coverage of this downstream signal, wherein, the power of this downstream signal is higher than the signal of the base station that is cloned in the second public network, and satisfy the cell reselection condition of target multimode terminal allosome system, namely satisfy the reselection conditions of described target multimode terminal from the first public network cell gravity treatment to the residential quarter of the second public network; After the target multimode terminal receives this downstream signal, just can carry out in cell reselection, the pseudo-base station of gravity treatment to the second like this, to the second pseudo-base station launch position update request.
The second pseudo-base station receives the position updating request that the target multimode terminal sends, and shows and include the target multimode terminal in control range that the second pseudo-base station can be monitored the target multimode terminal under lower safe class.
It should be noted that the second pseudo-base station can be before the pseudo-base station of the first pseudo-base station assigned target multimode terminal to the second or in just exist.
The base station in the first public network is cloned in the first pseudo-base station in the preprocess method of the monitoring multimode terminal that the embodiment of the invention provides, the base station in the second public network is cloned in the second pseudo-base station, the target multimode terminal is initially in the base station of the first public network, after base station in the first public network is cloned in the first pseudo-base station, the first pseudo-base station sends downstream signal to the target multimode terminal, include the target multimode terminal in control range, structure base station reprovision signaling, the target multimode terminal is assigned in the second pseudo-base station, the second pseudo-base station sends downstream signal to the target multimode terminal, include the target multimode terminal in control range, in order to the target multimode terminal is monitored, wherein the safe class of the first public network is higher than the safe class of the second public network.The embodiment of the invention is by cloning into the public network base station with pseudo-base station, by the structure signaling message identical with the public network base station, can be in the noninductive situation in target multimode terminal and public network base station, the target multimode terminal is included in the lower communication network of the safe class that made up by the second pseudo-base station, thereby for follow-up monitoring to the target multimode terminal provides the basis, avoided pseudo-base station to the attack of public network, guaranteed the stability of public network, the target multimode terminal assignment that is in the high safety grade network can be entered in the communication network of lower security grade by the embodiment of the invention simultaneously, provide the foundation for the target multimode terminal of high safety grade network is monitored.There is the problem that reduces public network stability, inapplicable high safety grade network in the pretreatment mode that the invention solves existing monitoring multimode terminal, has guaranteed the stability of public network, provides the foundation for the target multimode terminal of high safety grade network is monitored.
Another flow chart of the preprocess method of the monitoring multimode terminal that Fig. 2 provides for the embodiment of the invention, in conjunction with illustrated in figures 1 and 2, method shown in Figure 2 also comprises on the basis of method shown in Figure 1:
The identity request message of step S115, the described target multimode terminal true identity of the first pseudo-base station structure inquiry, described identity request message is sent to described target multimode terminal, the identity response message of carrying self true identity information that receives that described target multimode terminal replys;
Step S115 occurs between step S110 and the step S120, carries out after in control range is included described target multimode terminal in the first pseudo-base station; Concrete, can be after the first pseudo-base station receives the position updating request of target multimode terminal transmission, execution in step S115;
Can obtain the true identity information of target multimode terminal by step S115, true identity information can be IMSI or IMEI, foundation in the time of can be with the true identity information obtained and selected target multimode terminal is compared, and judges whether selected target multimode terminal is correct; Whether make mistakes in the time of also can judging in the control range of the target multimode terminal being included in the first pseudo-base station according to this true identity information, thereby guarantee the correctness that follow-up multimode terminal is monitored, in the situation of makeing mistakes, in time stop follow-up flow process, save system resource.
After the first identity response message of pseudo-base station in receiving step S115, structure base station reprovision signaling sends to described target multimode terminal with described base station reprovision signaling, in the pseudo-base station of the described target of assignment multimode terminal to the second.
The identity request message of step S140, the described target multimode terminal true identity of the second pseudo-base station structure inquiry, described identity request message is sent to described target multimode terminal, the identity response message that carries self true identity information that receives that described target multimode terminal replys;
Step S140 occurs in after the step S130, and is concrete, can be after the second pseudo-base station receive the position updating request of target multimode terminal transmission, and execution in step S140.
Can obtain the true identity information of target multimode terminal by step S140, whether make mistakes in the time of can judging in the control range of the target multimode terminal being included in the second pseudo-base station according to this true identity information, thereby guarantee the correctness of follow-up multimode terminal monitoring, in the situation of makeing mistakes, in time stop follow-up flow process, save system resource.
Step S150, construction location upgrade accepts message, message is accepted in the renewal of described position sent to the target multimode terminal, so that described target multimode terminal resides in the described second pseudo-base station;
After having guaranteed that the target multimode terminal is included the correctness of the second pseudo-base station in, for making the better monitoring objective multimode terminal in the second pseudo-base station, can make the target multimode terminal reside in the second pseudo-base station, specifically can realize by upgrading the mode of accepting message to transmission position, the second pseudo-base station.
Step S160, the described target multimode terminal of monitoring.
After the target multimode terminal resides in the second pseudo-base station, can monitor the target multimode terminal, optionally, can obtain identity information, positional information and the Content of Communication of target multimode terminal, and the business of target multimode terminal is carried out gating etc.
Preamble is stated, and the first public network and the second public network can be for the cellular mobile communication networks of WCDMA, this class of GSM, also can be the non-cellular mobile communication networks such as WiMAX and WLAN, as long as the safe class of the first public network is higher than the safe class of the second public network.The preprocess method of the monitoring multimode terminal that provides of embodiment for a better understanding of the present invention, the below is all cellular mobile communication networks with the first public network and the second public network, and the safe class that the safe class of the first public network is higher than the second public network is example, be 3G (Third Generation) Moblie 3G network (WCDMA, TD-SCDMA network etc.) such as the first public network, the second public network is Generation Mobile Telecommunication System 2G network (such as GSM network etc.), and the specific implementation of the preprocess method of the monitoring multimode terminal that the embodiment of the invention is provided describes.Obviously, the first public network and the second public network also can be the cellular mobile communication networks of other types, be the 4th third-generation mobile communication LTE network such as the first public network, the second public network is 3G network etc., under the enlightenment of the present invention's principle shown in Figure 1, those skilled in the art can realize the preprocess method of the monitoring multimode terminal between the cellular mobile communication networks of any type.
When the first public network is cellular mobile communication networks, the implementation of step S100 shown in Figure 1 " the first pseudo-base station is according to the base station feature of the first public network around the target multimode terminal, with the base station of self cloning in described the first public network " is chosen as: the described first pseudo-base station with self clone into described the first public network in be cloned the base station that there are identical system message, identical frequency and identical scrambler in the base station.Concrete, transmitting power is adjusted to suitable intensity in the first pseudo-base station, sends the pilot signal identical with being cloned the base station at pilot channel, sends the system message identical with being cloned the base station at broadcast channel.The second pseudo-base station with self clone into the base station in the second public network implementation can for: the described second pseudo-base station with self clone into the second public network in be cloned the base station that there are identical system message, identical frequency in the base station.
When the first public network is 3G network, optionally, in the method shown in Figure 1, base station reprovision signaling among the step S120 can be RRC(Radio Resource Control, radio resource control) release message, the first pseudo-base station is after including the target multimode terminal in control range, can send the RRC release message to the target multimode terminal, in this RRC release message, the target system is filled to the second public network, target cell information is extended this as the information of the second pseudo-base station, thereby so that the target multimode terminal is after receiving this RRC release message, can the pseudo-base station of cell reselection to the second in.It should be noted that the reprovision signaling is that the RRC release message only is a kind of easily technological means, to those skilled in the art, also can use other message as the base station reprovision signaling among the step S120 shown in Figure 1.
Optionally, when the first public network is 3G network, signaling process between the first pseudo-base station and the target multimode terminal can be with reference to shown in Figure 3, flow process shown in Figure 3 can comprise: S200, after the first pseudo-base station sends downstream signal to the target multimode terminal, the target multimode terminal is in the coverage of this downstream signal, and the target multimode terminal sends RRC Connection Request(RRC connection request message to the first pseudo-base station); S210, the first pseudo-base station send RRC Connection Setup(RRC connection to the target multimode terminal message are set); S220, target multimode terminal send RRC Connection Setup Complete(RRC connection setting and finish message to the first pseudo-base station); S230, target multimode terminal send Location Update Request(location update request message to the first pseudo-base station); Step S240, the first pseudo-base station send RRC Connection Release(RRC connection release message to the target multimode terminal); S250, target multimode terminal send RRC Connection Release Complete(RRC Connection Release and finish message to the first pseudo-base station).
Optionally, when the first public network is 3G network, after in control range is included the target multimode terminal in the first pseudo-base station, the identity request message of query aim multimode terminal true identity also can be constructed in the first pseudo-base station, after obtaining correct identity response message, give the second pseudo-base station with the assignment of target multimode terminal again.In this case, signaling process between the first pseudo-base station and the target multimode terminal can be with reference to shown in Figure 4, flow process shown in Figure 4 can comprise: S300, after the first pseudo-base station sends downstream signal to the target multimode terminal, the target multimode terminal is in the coverage of this downstream signal, and the target multimode terminal sends RRC Connection Request(RRC connection request message to the first pseudo-base station); S310, the first pseudo-base station send RRC Connection Setup(RRC connection to the target multimode terminal message are set); S320, target multimode terminal send RRC Connection Setup Complete(RRC connection setting and finish message to the first pseudo-base station); S330, target multimode terminal send Location Update Request(location update request message to the first pseudo-base station); S340, the first pseudo-base station send ID Request(identity request message to the target multimode terminal); S350, target multimode terminal send ID Response(identity response message to the first pseudo-base station); S360, the first pseudo-base station send RRC Connection Release(RRC connection release message to the target multimode terminal); S370, target multimode terminal send RRC Connection Release Complete(RRC Connection Release and finish message to the first pseudo-base station).
When the first public network is 3G network, optionally, in step S120 in the pseudo-base station of the first pseudo-base station assigned target multimode terminal to the second after, the target multimode terminal may be initiated RRC to the first pseudo-base station again and be connected the request of foundation, for guaranteeing that the target multimode terminal assigns to carrying out smoothly of the second pseudo-base station, receive again the RRC connection foundation request of target multimode terminal transmission when the first pseudo-base station after, the first pseudo-base station sends the RRC refuse information to the target multimode terminal, and in the RRC refuse information, the target system is filled to the second public network, target cell information is extended this as the information of the second pseudo-base station, thereby so that target for many years terminal after receiving this RRC refuse information, can the pseudo-base station of cell reselection to the second in.In the case, signaling process between the first pseudo-base station and the target multimode terminal can be with reference to shown in Figure 5, in conjunction with Fig. 4 and Fig. 5, flow process shown in Figure 5 also comprises on the basis of Fig. 4: S380, target multimode terminal send RRC Connection Request(RRC connection request message to the first pseudo-base station); S390, the first pseudo-base station send RRC Connection Reject(RRC connection refused message to the target multimode terminal).Obviously, in the flow process shown in Figure 5, the inquiry of target multimode terminal true identity also can not carried out in the first pseudo-base station, can after S330 finishes, directly carry out the flow process of S360 to S390.
When the second public network is cellular mobile communication networks, and when the second public network is the 2G network, Fig. 6 shows the signaling process that the second pseudo-base station is included the target multimode terminal in control range, with reference to Fig. 6, this flow process can comprise: S400, after the second pseudo-base station sends downstream signal to the target multimode terminal, the target multimode terminal is in the coverage of this downstream signal, and the target multimode terminal sends Channel Request(channel request message to the second pseudo-base station); S410, the second pseudo-base station send the direct specified command of Immediate Assigment Command(to the target multimode terminal); S420, target multimode terminal send Location Update Request(position updating request to the second pseudo-base station); S430, the second pseudo-base station send ID Request(identity request message to the target multimode terminal); S440, target multimode terminal send ID Response(identity response message to the second pseudo-base station); S450, the second pseudo-base station send Location Update Accepted(position renewal to the target multimode terminal and accept message).
In flow process shown in Figure 6, after in control range is included the target multimode terminal in the second pseudo-base station, the second pseudo-base station can be monitored the target multimode terminal, such as professional gating etc., after Fig. 7 shows the second pseudo-base station and includes the target multimode terminal in control range, carry out the signaling process of professional gating, as shown in Figure 7, flow process shown in Figure 7 can comprise: S4001, target multimode terminal send Channel Request(channel request message to the second pseudo-base station); S44002, the second pseudo-base station send the direct specified command of Immediate Assigment Command(to the target multimode terminal); S4003, target multimode terminal send CM Service Request(CM service request to the second pseudo-base station); S4004, the second pseudo-base station send CM Service Accepted(CM service to the target multimode terminal and accept message) or CM Service Reject(CM service-denial message).
For the preprocess method that makes the monitoring multimode terminal that the embodiment of the invention provides more directly perceived, now take the first public network as the WCDMA network, the second public network is GSM, the base station that the target multimode terminal initially is arranged in the WCDMA network is example, and the preprocess method of the monitoring multimode terminal that the embodiment of the invention is provided describes.Description that it should be noted that hereinafter the preprocess method of the monitoring multimode terminal that carries out for WCDMA network and GSM network only is a kind of optional implementation.
The another flow chart of the preprocess method of the monitoring multimode terminal that Fig. 8 provides for the embodiment of the invention, with reference to Fig. 8, the method can comprise:
Step S500, the first pseudo-base station are according to the base station feature of the WCDMA public network around the target multimode terminal, the weak base station of signal in the WCDMA public network will self be cloned into around the target multimode terminal, the weak GSM public network base station of signal in the adjacent area, the first pseudo-base station will self be cloned into according to the base station feature of the GSM public network around the target multimode terminal in the second pseudo-base station;
Wherein, the base station feature of the WCDMA public network around the target multimode terminal can be obtained in the following way: all WCDMA residential quarters around WCDMA public network frequency range search target multimode terminal, receive the system message of each cell base station, to obtain its characteristic parameter; Optionally, system message can be as shown in table 1.
Table 1
After having obtained above-mentioned WCDMA public network base station parameter, the first pseudo-base station is configured to self characteristic parameter the characteristic parameter of the weak base station of a certain signal in the WCDMA public network, the transmitting power of self is transferred to suitable intensity, pilot signal transmitted on pilot channel, system message (particular content of each field is set according to actual conditions) shown in the structure table 1 sends this message at broadcast channel.The system message of structure mainly comprises Master Information Block MIB, schedule information piece SB1, schedule information piece SB2, system message 1, system message 2, system message 3, system message 4, system message 5, system message 6, system message 7, system message 8 and system message 9, system message 10, system message 11, system message 12, system message 13, system message 14, system message 15, system message 16, system message 17 and system message 18 etc.The send mode of these system messages and main contents can be as shown in table 1.
The base station feature of the GSM public network around the target multimode terminal can be obtained in the following way: search for multimode terminal all GSM residential quarters on every side in GSM public network frequency range, receive the system message of each cell base station, to obtain its characteristic parameter; Optionally, system message can be as shown in table 2.
Table 2
At the base station parameter that has obtained the said GSM public network, the second pseudo-base station is configured to self characteristic parameter the characteristic parameter of the weak GSM public network base station of a certain signal in the adjacent area, the first pseudo-base station, the transmitting power of self is transferred to suitable intensity, pilot signal transmitted on pilot channel, system message (particular content of each field is set according to actual conditions) shown in the structure table 2 sends this message at broadcast channel.The system message of structure mainly comprises system message 1, system message 2, system message 2bis, system message 2ter, system message 3, system message 4, system message 5, system message 5bis, system message 5ter, system message 6, system message 7, system message 8 and system message 9 etc.The send mode of these system messages and main contents can be as shown in table 2.
Step S510, the first pseudo-base station send downstream signal to the target multimode terminal, and the position updating request that the receiving target multimode terminal returns is included the target multimode terminal in control range;
Behind the first pseudo-base station configuration WCDMA public network base station parameter, begin to send downstream signal, make the target multimode terminal in its coverage, downstream signal power is better than the signal of the base station that is cloned in the WCDMA network, and should satisfy the same system cell reselection condition of target multimode terminal under WCDMA, make the target multimode terminal can the pseudo-base station of cell reselection to the first, and initiate position updating request.
Step S520, structure base station, the first pseudo-base station reprovision signaling send to the target multimode terminal with base station reprovision signaling, in the pseudo-base station of assignment target multimode terminal to the second;
Optionally, base station reprovision signaling can be the RRC release message, and the target system is filled out the information that extends this as the second pseudo-base station for GSM, with target cell information in the first pseudo-base station in the RRC release message that sends to the target multimode terminal.
Step S530, the second pseudo-base station send downstream signal to the target multimode terminal, and the position updating request that the receiving target multimode terminal returns is included the target multimode terminal in control range, the monitoring objective multimode terminal.
The second pseudo-base station is configuring adjacent cell not, send downstream signal, make the target multimode terminal in its coverage, downstream signal power is better than the signal of the base station that is cloned in the GSM network, and should satisfy the cell reselection condition of target multimode terminal allosome system, make the target multimode terminal can be assigned to the second pseudo-base station, and initiate position updating request, after including the target multimode terminal in control range, can monitor the target multimode terminal.
Optionally, method shown in Figure 8 also can be expanded as Fig. 2, but both cross-references, and therefore not to repeat here for the scheme after the expansion.
Wherein, the second pseudo-base station monitoring target multimode terminal comprises: to target multi-mode terminal carrying out service gating.Optional implementation to target multi-mode terminal carrying out service gating can be as shown in Figure 9, and the second pseudo-base station that Fig. 9 provides for the embodiment of the invention is to the method flow diagram of target multi-mode terminal carrying out service gating, and with reference to Fig. 9, the method can comprise:
Step S600, the second pseudo-base station receive the CM(Connection Management that described target multimode terminal sends, connection management) business request information;
Step S610, from described CM business request information, extract identity information and the traffic type information of described target multimode terminal;
The professional gating item of target multimode terminal described in step S620, the comparison presetting database, judge whether to allow described target multimode terminal to carry out business with the corresponding type of described traffic type information, if, execution in step S630, if not, execution in step S640;
Optionally, can be in the database of pseudo-base station the professional gating item of goal-selling multimode terminal, only allow the business of confirming in the target multimode terminal performing database.
Step S630, send the CM business to described target multimode terminal and accept message, allow described target multimode terminal to carry out the business of described type, obtain the Content of Communication of described target multimode terminal;
Step S640, send CM service denial message to described target multimode terminal, stop described target multimode terminal to carry out the business of described type.
It should be noted that said method can expand in the 2G network of lower security grade arbitrarily,, such as cdma network, and be not limited to GSM.
Need to prove that the implementation of the preprocess method of the monitoring multimode terminal between cellular mobile communication networks type as described above only is optional mode, it should not become the restriction of protection range of the present invention.Those skilled in the art are on the basis of the present invention's principle shown in Figure 1, can draw the first public network fully is cellular mobile communication networks, and the second public network is the preprocess method of the monitoring multimode terminal between the non-cellular mobile communication networks, be 3G network such as the first public network, the second public network is wlan network, or the first public network is non-cellular mobile communication networks, and the second public network is the preprocess method of the monitoring multimode terminal between the cellular mobile communication networks; Those skilled in the art are under the enlightenment of inventive principle of the present invention; can realize the arbitrarily preprocess method of the monitoring multimode terminal between the height safety class networks fully; it is pointed out that the implementation that does not break away from inventive principle of the present invention is all in protection scope of the present invention.
The below is described the pretreatment system of the monitoring multimode terminal that the embodiment of the invention provides, and the pretreatment system of monitoring multimode terminal described below is mutually corresponding with the preprocess method of monitoring multimode terminal as described above, but both cross-references.
The pretreatment system of the monitoring multimode terminal that Figure 10 provides for the embodiment of the invention comprises: the first pseudo-base station 100 and the second pseudo-base station 200;
The first pseudo-base station 100, be used for the base station feature according to the first public network around the target multimode terminal, with the base station of self cloning in described the first public network, described target multimode terminal is in the base station of the first public network, send downstream signal to described target multimode terminal, receive the position updating request that described target multimode terminal returns, include described target multimode terminal in control range, structure base station reprovision signaling, described base station reprovision signaling is sent to described target multimode terminal, and the described target multimode terminal of assignment is in the described second pseudo-base station;
The second pseudo-base station 200, be used for the base station feature according to the second public network around the described target multimode terminal, with the base station of self cloning in described the second public network, send downstream signal to described target multimode terminal, receive the position updating request that described target multimode terminal returns, include described target multimode terminal in control range, in order to monitor described target multimode terminal;
Wherein, the safe class of described the first public network is higher than the safe class of the second public network.
There is the problem that reduces public network stability, inapplicable high safety grade network in the mode that the preprocess method of the monitoring multimode terminal that the embodiment of the invention provides and system have solved existing monitoring multimode terminal, guarantee the stability of public network, realized the monitoring of target multimode terminal under the high safety grade network scenario
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with the disclosed method of embodiment, so description is fairly simple, relevant part partly illustrates referring to method and gets final product.
The professional can also further recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software clearly is described, composition and the step of each example described in general manner according to function in the above description.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.The professional and technical personnel can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (11)
1. a preprocess method of monitoring multimode terminal is characterized in that, comprising:
The first pseudo-base station is according to the base station feature of the first public network around the target multimode terminal, and with the base station of self cloning in described the first public network, described target multimode terminal is in the base station of described the first public network;
The described first pseudo-base station sends downstream signal to described target multimode terminal, receives the position updating request that described target multimode terminal returns, and includes described target multimode terminal in control range;
Structure base station, the described first pseudo-base station reprovision signaling, described base station reprovision signaling is sent to described target multimode terminal, in the pseudo-base station of the described target of assignment multimode terminal to the second, base station with in the described second public network identical pseudo-base station of the described second pseudo-base station for cloning according to the base station feature of the second public network around the described target multimode terminal, the safe class of described the first public network is higher than the safe class of described the second public network;
The described second pseudo-base station sends downstream signal to described target multimode terminal, receives the position updating request that described target multimode terminal returns, and includes described target multimode terminal in control range, in order to monitor described target multimode terminal.
2. method according to claim 1 is characterized in that, the described first pseudo-base station sends downstream signal to described target multimode terminal and comprises:
The described first pseudo-base station sends downstream signal to described target multimode terminal, make described target multimode terminal in the coverage of this downstream signal, wherein, the power of this downstream signal is higher than the signal of the first public network base station that is cloned, and satisfies the same system cell reselection condition of described target multimode terminal under the first public network.
3. method according to claim 1, it is characterized in that, described the first public network is cellular mobile communication networks, and the described first pseudo-base station comprises the base station of self cloning in described the first public network according to the base station feature of the first public network around the target multimode terminal:
The described first pseudo-base station with self clone into described the first public network in be cloned the base station that there are identical system message, identical frequency and identical scrambler in the base station.
4. method according to claim 3 is characterized in that, described cellular mobile communication networks is the 3G (Third Generation) Moblie 3G network, and the described first pseudo-base station assigned described target multimode terminal to the second comprises in the pseudo-base station:
The described first pseudo-base station sends radio resource control RRC release message to described target multimode terminal, in described RRC release message the target system is filled to described the second public network, target cell information is extended this as the information of described the second pseudo-base station.
5. method according to claim 4 is characterized in that, the described first pseudo-base station also comprises after described target multimode terminal sends described RRC release message:
The described first pseudo-base station is after request message is set up in the RRC connection that receives described target multimode terminal transmission, send the RRC refuse information to described target multimode terminal, in described RRC refuse information, fill objective body and be made as described the second public network, fill in the information that target cell information is described the second pseudo-base station.
6. according to claim 1 to 5 each described methods, it is characterized in that the described first pseudo-base station also comprises after including described target multimode terminal in control range:
The identity request message of the described target multimode terminal true identity of the described first pseudo-base station structure inquiry sends to described target multimode terminal with described identity request message;
The identity response message of carrying self true identity information that receives that described target multimode terminal replys.
7. method according to claim 1 is characterized in that, the described second pseudo-base station sends downstream signal to described target multimode terminal and comprises:
The described second pseudo-base station sends downstream signal to described target multimode terminal, make described target multimode terminal in the coverage of this downstream signal, wherein, the power of this downstream signal is higher than the signal of the second public network base station that is cloned, and satisfies the reselection conditions of described target multimode terminal from the first public network cell gravity treatment to the second public network cell.
8. method according to claim 1 is characterized in that, the described second pseudo-base station also comprises after including described target multimode terminal in control range:
The identity request message of the described target multimode terminal true identity of structure inquiry sends to described target multimode terminal with described identity request message;
The identity response message that carries self true identity information that receives that described target multimode terminal replys;
Construction location upgrades accepts message, message is accepted in the renewal of described position sent to described target multimode terminal, so that described target multimode terminal resides in the described second pseudo-base station.
9. according to claim 1,7 or 8 described methods, it is characterized in that described the second public network is cellular mobile communication networks, described method also comprises:
The described second pseudo-base station is to described target multi-mode terminal carrying out service gating.
10. method according to claim 9 is characterized in that, described cellular mobile communication networks is Generation Mobile Telecommunication System 2G network;
The described second pseudo-base station comprises described target multi-mode terminal carrying out service gating:
The described second pseudo-base station receives the connection management CM business request information that described target multimode terminal sends;
From described CM business request information, extract identity information and the traffic type information of described target multimode terminal;
The professional gating item of target multimode terminal described in the comparison presetting database judges whether to allow described target multimode terminal to carry out business with the corresponding type of described traffic type information;
If the described second pseudo-base station sends the CM business to described target multimode terminal and accepts message, allows described target multimode terminal to carry out the business of described type, obtains the Content of Communication of described target multimode terminal;
If not, the described second pseudo-base station sends CM service denial message to described target multimode terminal, stops described target multimode terminal to carry out the business of described type.
11. a pretreatment system of monitoring multimode terminal is characterized in that, comprising: the first pseudo-base station and the second pseudo-base station;
The described first pseudo-base station, be used for the base station feature according to the first public network around the target multimode terminal, with the base station of self cloning in described the first public network, described target multimode terminal is in the base station of the first public network, send downstream signal to described target multimode terminal, receive the position updating request that described target multimode terminal returns, include described target multimode terminal in control range, structure base station reprovision signaling, described base station reprovision signaling is sent to described target multimode terminal, and the described target multimode terminal of assignment is in the described second pseudo-base station;
The described second pseudo-base station, be used for the base station feature according to the second public network around the described target multimode terminal, with the base station of self cloning in described the second public network, send downstream signal to described target multimode terminal, receive the position updating request that described target multimode terminal returns, include described target multimode terminal in control range, in order to monitor described target multimode terminal;
Wherein, the safe class of described the first public network is higher than the safe class of the second public network.
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| CN108377517B (en) * | 2016-11-02 | 2021-05-04 | 中国移动通信有限公司研究院 | Access method and device |
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| CN109769250A (en) * | 2017-11-09 | 2019-05-17 | 中国电信股份有限公司 | The method of pseudo-base station, terminal and system for identification |
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| CN112565094A (en) * | 2020-12-09 | 2021-03-26 | 之江实验室 | Multi-mode network topology structure |
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