CN108076465B - Discrimination method and device for pseudo base station - Google Patents
Discrimination method and device for pseudo base station Download PDFInfo
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- CN108076465B CN108076465B CN201610997555.7A CN201610997555A CN108076465B CN 108076465 B CN108076465 B CN 108076465B CN 201610997555 A CN201610997555 A CN 201610997555A CN 108076465 B CN108076465 B CN 108076465B
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Abstract
The invention discloses a discrimination method and a discrimination device of a pseudo base station, which are used for determining whether the IP address and UV of a currently accessed mobile network are changed; when the IP address and the UV are determined to be changed, determining whether the current IP address and the UV belong to a pre-stored address range; determining whether power consumption of a preselected application program changes when it is determined that the current IP address and UV do not fall within the pre-stored address range; when the power consumption of the preselected application program is determined to be changed, determining to access the pseudo base station; and when the power consumption of the preselected application program is not changed, determining to access the normal base station. Whether the pseudo base station is accessed can be accurately judged according to the combination of the detection of the accessed IP address and the power consumption so as to realize accurate identification and rejection of the pseudo base station.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method and a device for discriminating a pseudo base station.
Background
With the continuous evolution of networks, mobile phones have become the first big internet access terminal. However, with the overall popularity and wide application of mobile phones, the harm of the pseudo base station is getting more and more severe. The pseudo base station is not only a source of spam messages and fraud information, but also causes users to miss important calls and information.
The operation of the pseudo base station is generally performed in a 2G Global System for mobile communication (GSM) network, and therefore, after a terminal is down-converted from a 3G or 4G network to a 2G network due to signal interference of the pseudo base station, the pseudo base station may utilize a security verification vulnerability that cannot identify the validity of a network connected to the terminal when the terminal is connected to the 2G base station, so as to harass the terminal.
The pseudo base station device generally comprises a notebook computer, a wireless signal transmitter host and other devices, and obtains wireless information of the cell base station of the location, such as frequency, field intensity, operator identification and the like, then disguising the corresponding parameters of the base station as a legal operator base station and transmitting a high-power signal, that is, the frequency of the wireless signal transmitter is set to be the same as that of the wireless signal of the operator base station, and the signal intensity of the wireless signal transmitter is set to be much stronger than that of the network base station of the operator and disguised as the communication base station, thereby cheating the terminal in a certain radius range to mistakenly assume that the pseudo base station is a normal base station and log on the pseudo base station, and further, various messages such as advertising promotion short messages, false news and the like are edited and released through tools such as editing software and the like or other illegal activities are carried out, and then any number is arbitrarily falsely used for forcibly sending the messages to the terminal. In addition, the pseudo base station adjusts characteristic parameters such as the frequency of the radio signal transmitted by the pseudo base station, and the parameters are the same as the parameters such as the frequency of the base station of the operator, and the signal intensity is larger than the signal intensity of the base station of the operator. Therefore, when the terminal performs base station handover during moving, possibly because signals of legal base stations are interfered, a pseudo base station signal is strong and is switched into and resided on the pseudo base station. At this time, the pseudo base station can forge any sender number to send a fraud short message to the victim mobile phone, and the victim mobile phone cannot normally communicate.
Therefore, how to accurately identify the pseudo base station is a technical problem which needs to be solved urgently in the field.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method and an apparatus for discriminating a pseudo base station, so as to accurately identify the pseudo base station.
Therefore, the method for discriminating the pseudo base station provided by the embodiment of the invention comprises the following steps:
determining whether the IP address and the UV of the currently accessed mobile network are changed;
when the IP address and the UV are determined to be changed, determining whether the current IP address and the UV belong to a pre-stored address range;
determining whether power consumption of a preselected application program changes when it is determined that the current IP address and UV do not fall within the pre-stored address range;
when the power consumption of the preselected application program is determined to be changed, determining to access the pseudo base station;
and when the power consumption of the preselected application program is not changed, determining to access the normal base station.
In a possible implementation manner, in the screening method provided in the embodiment of the present invention, the determining whether an IP address and a UV of a currently accessed mobile network change specifically includes:
reading the IP address and UV of the currently accessed 3G or 4G network;
determining whether the 3G or 4G network which is accessed currently is subjected to frequency reduction;
when the 3G or 4G network which is accessed currently is determined to be subjected to frequency reduction, whether the power consumption of the preselected application program is changed or not is determined;
and when determining that the currently accessed 3G or 4G network is not subjected to frequency reduction, determining whether the read IP address and UV of the currently accessed mobile network are changed.
In a possible implementation manner, in the discrimination method provided in an embodiment of the present invention, determining whether power consumption of a preselected application program changes specifically includes:
and confirming whether the electric quantity occupied by the heartbeat package of the preselected application program is changed or not, wherein the application program comprises an instant messaging tool application program.
In a possible implementation manner, in the screening method provided in the embodiment of the present invention, when determining to access the pseudo base station, the method further includes:
and positioning the current position of the pseudo base station according to the signal power sent by the pseudo base station, the received signal power and the current position of the terminal.
In a possible implementation manner, in the discrimination method provided in an embodiment of the present invention, the positioning the current position of the pseudo base station according to the signal power sent by the pseudo base station, the received signal power, and the current position of the terminal specifically includes:
determining the direction of the pseudo base station relative to the terminal according to the received signals sent when the main frequency point of the cell occupied by the pseudo base station is received and the signals sent by the main frequency points of other cells in the base station;
determining the distance between the pseudo base station and the terminal according to the strength of the signal power sent by the pseudo base station, the strength of the received signal power and the current surrounding environment of the terminal;
and positioning the current position of the pseudo base station according to the determined direction and distance of the pseudo base station relative to the terminal and the current position of the terminal.
In a possible implementation manner, in the screening method provided in the embodiment of the present invention, after the positioning of the current position of the pseudo base station, the method further includes:
and refusing to reside in the cell to which the pseudo base station belongs.
On the other hand, the embodiment of the invention also provides a pseudo base station screening device, which comprises:
a first determining unit for determining whether the IP address and UV of the currently accessed mobile network are changed;
a second determination unit which determines whether the current IP address and UV belong to a pre-stored address range when it is determined that the IP address and UV are changed;
a third determination unit that determines whether or not power consumption of the preselected application program changes when it is determined that the current IP address and the UV do not belong to the address range stored in advance; when the power consumption of the preselected application program is determined to be changed, determining to access the pseudo base station; and when the power consumption of the preselected application program is not changed, determining to access the normal base station.
In a possible implementation manner, in the screening apparatus provided in the embodiment of the present invention, the first determining unit is specifically configured to read an IP address and a UV of a currently accessed 3G or 4G network; determining whether the 3G or 4G network which is accessed currently is subjected to frequency reduction; when the 3G or 4G network which is accessed currently is determined to be subjected to frequency reduction, whether the power consumption of the preselected application program is changed or not is determined; and when determining that the currently accessed 3G or 4G network is not subjected to frequency reduction, determining whether the read IP address and UV of the currently accessed mobile network are changed.
In a possible implementation manner, in the screening apparatus provided in the embodiment of the present invention, the third determining unit is specifically configured to determine whether an electric quantity occupied by a heartbeat packet of a preselected application program changes, where the application program includes an instant messaging tool application program.
In a possible implementation manner, in the screening apparatus provided in the embodiment of the present invention, the method further includes: and the positioning unit is used for positioning the current position of the pseudo base station according to the signal power sent by the pseudo base station, the received signal power and the current position of the terminal.
In a possible implementation manner, in the screening apparatus provided in the embodiment of the present invention, the positioning unit is specifically configured to determine the position of the pseudo base station relative to the terminal according to the received signal sent at the main frequency point of the cell occupied by the pseudo base station and the signal sent at the main frequency point of another cell in the base station; determining the distance between the pseudo base station and the terminal according to the strength of the signal power sent by the pseudo base station, the strength of the received signal power and the current surrounding environment of the terminal; and positioning the current position of the pseudo base station according to the determined direction and distance of the pseudo base station relative to the terminal and the current position of the terminal.
In a possible implementation manner, in the screening apparatus provided in the embodiment of the present invention, the method further includes: and the processing unit is used for refusing to reside in the cell of the pseudo base station.
The embodiment of the invention has the beneficial effects that:
the embodiment of the invention provides a method and a device for discriminating a pseudo base station, which are used for determining whether the IP address and the UV of a currently accessed mobile network are changed; when the IP address and the UV are determined to be changed, determining whether the current IP address and the UV belong to a pre-stored address range; determining whether power consumption of a preselected application program changes when it is determined that the current IP address and UV do not fall within the pre-stored address range; when the power consumption of the preselected application program is determined to be changed, determining to access the pseudo base station; and when the power consumption of the preselected application program is not changed, determining to access the normal base station. Whether the pseudo base station is accessed can be accurately judged according to the combination of the detection of the accessed IP address and the power consumption so as to realize accurate identification and rejection of the pseudo base station.
Drawings
Fig. 1 is a flowchart of a method for discriminating a pseudo base station according to an embodiment of the present invention;
fig. 2 is a flowchart of a positioning method in a pseudo base station discrimination method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a discrimination apparatus of a pseudo base station according to an embodiment of the present invention.
Detailed Description
The following describes in detail specific embodiments of a method and an apparatus for discriminating a pseudo base station according to an embodiment of the present invention with reference to the accompanying drawings.
The discrimination method of the pseudo base station provided by the embodiment of the invention, as shown in fig. 1, specifically includes the following steps:
s101, determining whether the IP address and the UV of the mobile network accessed currently are changed; when it is determined that the IP address and the UV are changed, step S102 is performed;
s102, determining whether the current IP address and the UV belong to a pre-stored address range; when it is determined that the current IP address and UV do not belong to the pre-stored address range, performing step S103; when it is determined that the current IP address and UV belong to the pre-stored address range, performing step S105;
s103, determining whether the power consumption of the preselected application program changes; executing step S104 when it is determined that the power consumption amount of the preselected application program changes; when it is determined that the power consumption amount of the preselected application program is not changed, executing step S105;
and S104, determining the access pseudo base station.
And S105, determining to access the normal base station.
At present, with the development of networks, users generally adopt 4G or 3G networks, and at this time, when a terminal accesses a network, and passes through a 3G or 4G mobile gateway, the gateway assigns an IP address to the terminal. IP address is a concept that reflects the object of a network virtual address and UV is a concept that reflects the actual user, each UV corresponding more accurately to an actual viewer with respect to each IP. For a terminal that uses a real IP address to surf the internet, the UV and IP values are the same. When the terminal uses a 3G or 4G network and browses the same webpage, the IP address does not change, but UV is increased once. And the UV is judged according to the Cookie records, and each terminal can only add one UV per day regardless of the place.
It should be noted that the IP address and the UV of the terminal are not fixed, and will be updated as the terminal is restarted. And, under normal conditions, a step-shaped signal lattice number prompt appears on the top right side of the terminal screen, which generally displays "4G" or "3G", and when the terminal screen suddenly changes to "GSM", "G", or no longer displays a specific network type, it means that forced "down-conversion" is encountered, i.e. the terminal screen is pulled from 4G (e.g. 1880) -1900MHz) to GSM (e.g. 890-990/935-954 MHz). The frequency reduction is mainly caused by two reasons, one is that the frequency reduction may occur when the terminal is in an area uncovered by the 3G or 4G network because the 3G or 4G network cannot be fully covered; the other is that the pseudo base station mainly works based on a GSM system and cannot support the 4G network, so in order to enable the terminal to fall back to the 2G network, the pseudo base station can utilize signal interference to enable the terminal to actively reduce the frequency for guaranteeing smooth communication.
Based on this, in the method for screening a pseudo base station provided in the embodiment of the present invention, step S101 determines whether an IP address and a UV of a currently accessed mobile network change, which may be specifically implemented by the following manner:
firstly, reading the IP address and UV of the currently accessed 3G or 4G network;
then, whether the currently accessed 3G or 4G network is subjected to frequency reduction is determined, wherein the frequency reduction means that the 4G or 3G network is suddenly changed into a GSM network or a G network or a specific network type is not displayed any more;
when it is determined that the currently accessed 3G or 4G network is down-converted, the IP address and the UV disappear, and therefore, step S102 does not need to be executed, and step S103 can be directly executed to determine whether the power consumption of the preselected application program changes;
when it is determined that the currently accessed 3G or 4G network is not down-converted, it may be determined whether the read IP address and UV of the currently accessed mobile network are changed, that is, compared with the IP address and UV read last time, and when it is determined that the IP address and UV are changed at the same time, step S102 may be performed.
In specific implementation, in the method for discriminating a pseudo base station provided in the embodiment of the present invention, during execution, address ranges of mobile networks of different systems may be stored in advance in a terminal, for example, 3 regional private addresses of a chinese mobile may be built in advance, where the address ranges are as follows:
address of type A: 10.0.0.0/8: 10.0.0-10.255.255.255
Type B address: 172.16.0.0/12: 172.16.0.0-172.31.255.255
A class C address: 192.168.0.0: 192.168.0.0 to 192.168.255.255
When the IP address and the UV are determined to be changed in step S102, and it is determined whether the current IP address and the UV belong to the address range stored in advance, the read IP address may be compared by using the address range built in advance, it is determined whether the read IP address is within the address range, and if the read IP address falls within the address range, it is determined that the base station of the cell where the terminal is located is a normal base station; if the base station is not in the address range, it may be determined that the base station of the cell where the terminal is located is a pseudo base station, and then further determination may be performed through step S103.
With the popularization of internet application programs (APPs), each terminal generally installs a plurality of internet APPs of different types, such as QQ, wechat, microblog, panning and the like. Based on the heartbeat mechanism, these APPs send heartbeat packets periodically. The heartbeat packet has the significance that the terminal is ensured to be on-line and the service is smooth through the heartbeat information. The heartbeat mechanism causes a problem that the terminal is more power-consuming. This "heartbeat" also means that the terminal will be woken up from the standby power saving state nearly 300 times per day, each time corresponding to a few seconds of telephone call. Roughly measured, the general Android terminal consumes more than 15-20% of electricity every day on sending excessively frequent heartbeats.
The pseudo base station screening method provided by the embodiment of the invention is based on the characteristic of the heartbeat packet of the application program to further screen the access of the pseudo base station. The principle is as follows: when the terminal is accessed to a normal base station, the power consumption of the terminal cannot be changed greatly if the mobile network is normally available; when the terminal accesses the pseudo base station, if the mobile network is unavailable, each APP cannot send the heartbeat packet and receive the data returned by the server, and the power consumption of the terminal is greatly changed, namely the power consumption of the application software is reduced to a certain extent. Therefore, according to the change of the power consumption of the terminal, the discrimination of whether the terminal is accessed to the pseudo base station can be realized.
Based on this, step S103 in the method for discriminating a pseudo base station provided in the embodiment of the present invention determines whether the power consumption of the preselected application program changes, and may be implemented as follows:
and confirming whether the electric quantity occupied by the heartbeat package of the preselected application program is changed or not, wherein the application program comprises an instant messaging tool application program.
In specific implementation, a plurality of application programs can be selected in advance to monitor the proportion of the power consumption of the heartbeat packet in real time, as shown in table 1, the sending frequency and the occupied data volume of the heartbeat packets of different application programs are different, so that the proportion of the power consumption of the heartbeat packets is also different, the power consumption of the heartbeat packets under normal conditions can be measured and recorded in the terminal in advance and used as a reference value so as to be compared with the power consumption of the heartbeat packets of the application programs determined under the condition that the IP addresses do not belong to the pre-stored address range or are subjected to frequency reduction, and when the power consumption of the heartbeat packets is found to be greatly reduced, the network can be determined to be unavailable, and the access to the pseudo base station is considered; when the change of the electric quantity occupied by the heartbeat packet is not large, the network can be determined to be normally available, and the normal base station is considered to be accessed.
TABLE 1
In a Global System for Mobile communications (GSM), in order to reduce interference, it is necessary to adjust the transmission power between a base station and a terminal according to measurement reports reported by the terminal and the base station on the premise of ensuring level strength and quality of a call signal, that is, to control the power so as to reduce the transmission power, thereby reducing interference in the whole network, reducing power consumption, and also prolonging the standby time of the terminal.
The power control of the terminal is generally divided into two modes, open-loop power control and closed-loop power control. The open-loop power control is to calculate the transmission power of the terminal through the path loss. If the base station transmits with the power of 33dBm and the signal received by the terminal is 10dBm, the path loss is 23 dBm; if the base station requires the received signal to be 8dBm, the terminal transmits the signal with a power of 8+23 dBm. The closed-loop power control is to adjust the transmitting power of the terminal through the feedback of the base station. The terminal transmits with power of 10dBm, the base station finds that the signal is weaker and feeds back to the terminal to improve the transmitting power after receiving the signal, and then the terminal transmits with power of 12dBm next time.
In practical applications, since the terminal moves continuously, the distance between the terminal and the base station changes continuously, and thus the transmission power of the terminal changes accordingly. The base station can send power level signals to the terminal according to different distances, the terminal can automatically adjust the transmitting power of the terminal after receiving the power level signals, the transmitting power is high when the terminal is far away from the base station, and the transmitting power is low when the terminal is near the base station. The pseudo base station generally adopts a closed-loop power control mode, and cannot send different power level signals to the terminal according to different distances, so that the terminal cannot automatically adjust the power difference after receiving the power level signals. Based on this, in the method for discriminating a pseudo base station provided in the embodiment of the present invention, after the pseudo base station is discriminated, the closed loop power control may be turned on, at this time, when the terminal receives a power level requirement transmitted by the pseudo base station, the terminal may call corresponding power level data from a power level table stored in the data memory, the power level data becomes a standard power level value after digital/analog conversion, the actual transmission power of the terminal is also converted into a corresponding level value after sampling, the two levels are compared to generate a power error control voltage, and the amplification amounts of the transmitter excitation amplifying circuit, the pre-amplifying circuit and the power amplifying circuit of the transmitting part of the terminal are adjusted, so that the transmission power of the terminal is adjusted to the required power level. And then, positioning the pseudo base station according to the information such as the adjusted transmitting power of the terminal.
In specific implementation, in the method for screening a pseudo base station provided in the embodiment of the present invention, when determining to access the pseudo base station, the method may further include: and positioning the current position of the pseudo base station according to the signal power sent by the pseudo base station, the received signal power and the current position of the terminal.
In specific implementation, the current position of the pseudo base station is located according to the signal power sent by the pseudo base station, the received signal power and the current position of the terminal, as shown in fig. 2, which can be specifically implemented by the following steps:
s201, determining the direction of the pseudo base station relative to a terminal according to a received signal sent when the main frequency point of the cell occupied by the pseudo base station is received and signals sent by the main frequency points of other cells in the base station;
s202, determining the distance between the pseudo base station and the terminal according to the strength of the signal power sent by the pseudo base station, the strength of the received signal power and the current surrounding environment of the terminal;
s203, positioning the current position of the pseudo base station according to the determined direction and distance of the pseudo base station relative to the terminal and the current position of the terminal.
Specifically, in step S201, the pseudo base station only replaces the main frequency point of one cell in the normal base station, and the terminal can also receive signals sent by the main frequency points of other cells in the base station, so that the direction of the pseudo base station relative to the terminal can be determined according to the relative positions of the three sectorial cells belonging to the normal base station.
Specifically, in step S202, the strength P of the signal power transmitted from the pseudo base station is usedF(d) Intensity P of received signal powerR(d) The path loss when the terminal receives the signal can be obtained:
wherein d is the distance between the pseudo base station and the terminal; n is a path loss exponent representing the rate of increase of path loss with distance d; d0The reference distance is close to the ground and is determined by the test; PL (d)0) Signal power strength at a close reference distance; xσRepresents a normal random variable with a standard deviation of σ.
Specifically, the path loss exponent n depends on the specific propagation environment, and in the practical application environment, the radio propagation path loss of the terminal and the pseudo base station changes slightly compared with the theoretical value due to the factors of multipath, diffraction, obstacles and the like. For example, n is 2 in a free space, and when there is a barrier, n becomes large. The values of the path loss exponent n in different propagation environments are shown in table 2.
| Environment(s) | Path loss exponent |
| Free space question | 2 |
| Urban honeycomb | 2.6-3.5 |
| Urban honeycomb shadow | 3-5 |
| In-building visibility range propagation | 1.6-1.8 |
| Is shielded by buildings | 4-6 |
| Is shielded by factory | 2-3 |
TABLE 2
It is known from theoretical and tested propagation models that the average received signal power decays logarithmically with increasing distance, whether indoor or outdoor. Therefore, from the formula of the path loss, one can obtain:
under the environment of pseudo base station and micro cell, the path loss obeys double-slope model (two-slope model), under the logarithmic-logarithmic coordinate system, the path loss of double-slope model is formed from two straight lines with different slopesbThe calculation formula is as follows:
wherein h isieEffective transmit antenna height; h isreIs the effective receive antenna height.
When the distance d between the pseudo base station and the terminal is less than RbThe path loss is, in time:
PF(d)-PR(d)＝A+10S1nlgd；
when the distance d between the pseudo base station and the terminal is larger than RbThe path loss is, in time:
PF(d)-PR(d)＝A+10S2lgd-10(S2-S1)lgRb；
wherein A is the path loss of the reference point; testing the resulting S1And S2The values are 3 and 6, respectively.
General turning point RbNot greater than cell radius RcThe correction formula is as follows:
table 3 lists the path loss and standard deviation for different buildings. In the actual measurement process, the reference path loss in table 3 is used to correct the test data in table 2, that is, the signal power needs to be corrected according to the path loss of different buildings, and the corrected value can be converted into the relationship between the distance and the signal strength according to table 2.
| Environment(s) | Path loss exponent | Reference path loss (dB) |
| Retail store | 2.2 | 8.7 |
| Vegetable shop | 1.8 | 5.2 |
| Office room | 3.0 | 7.0 |
| Factory, textileSubstance/chemical | 2.0 | 3.0 |
| Suburb house, corridor | 3.0 | 7.0 |
| Factory, metal | 1.6 | 5.8 |
TABLE 3
In the test process, the terminal positioning precision is about 30 meters, and the terminal positioning precision is about 10 meters. For parameter S1And S2The values thereof vary accordingly according to different environments, i.e. not necessarily 3 and 6.
Further, in the discrimination method provided in the embodiment of the present invention, in order to eliminate the influence of the pseudo base station on the terminal, after the current position of the pseudo base station is located, the following operations may be further performed: and refusing to reside in the cell to which the pseudo base station belongs. I.e. the user can be prompted to move out of the range of the pseudo base station or to re-access other cells.
Based on the same inventive concept, the embodiment of the invention also provides a pseudo base station screening device, and as the problem solving principle of the device is similar to the pseudo base station screening method, the implementation of the device can refer to the implementation of the method, and repeated parts are not described again.
The discrimination apparatus for the pseudo base station provided by the embodiment of the present invention, as shown in fig. 3, includes:
a first determination unit 301 that determines whether an IP address and UV of a currently accessed mobile network are changed;
a second determination unit 302 that determines whether the current IP address and UV belong to a pre-stored address range when it is determined that the IP address and UV are changed;
a third determination unit 303 that determines whether the power consumption amount of the preselected application program changes when it is determined that the current IP address and UV do not belong to the address range stored in advance; when the power consumption of the preselected application program is determined to be changed, determining to access the pseudo base station; and when the power consumption of the preselected application program is not changed, determining to access the normal base station.
Further, in the apparatus for screening a pseudo base station provided in the embodiment of the present invention, the first determining unit 301 is specifically configured to read an IP address and a UV of a currently accessed 3G or 4G network; determining whether the 3G or 4G network which is accessed currently is subjected to frequency reduction; when the 3G or 4G network which is accessed currently is determined to be subjected to frequency reduction, whether the power consumption of the preselected application program is changed or not is determined; and when determining that the currently accessed 3G or 4G network is not subjected to frequency reduction, determining whether the read IP address and UV of the currently accessed mobile network are changed.
Further, in the apparatus for screening a pseudo base station provided in the embodiment of the present invention, the third determining unit 303 is specifically configured to determine whether an electric quantity occupied by a heartbeat packet of a preselected application program changes, where the application program includes an instant messaging tool application program.
Further, in the screening apparatus for a pseudo base station provided in the embodiment of the present invention, as shown in fig. 3, the apparatus may further include: and the positioning unit 304 is configured to position the current position of the pseudo base station according to the signal power sent by the pseudo base station, the received signal power, and the current position of the terminal.
Further, in the apparatus for screening a pseudo base station provided in the embodiment of the present invention, the positioning unit 304 is specifically configured to determine the orientation of the pseudo base station with respect to the terminal according to the received signal sent at the main frequency point of the cell occupied by the pseudo base station and the signal sent at the main frequency point of another cell in the base station; determining the distance between the pseudo base station and the terminal according to the strength of the signal power sent by the pseudo base station, the strength of the received signal power and the current surrounding environment of the terminal; and positioning the current position of the pseudo base station according to the determined direction and distance of the pseudo base station relative to the terminal and the current position of the terminal.
Further, in the screening apparatus for a pseudo base station provided in the embodiment of the present invention, as shown in fig. 3, the apparatus may further include: a processing unit 305, configured to reject camping on the cell to which the pseudo base station belongs.
Through the above description of the embodiments, it is clear to those skilled in the art that the embodiments of the present invention may be implemented by hardware, or by software plus a necessary general hardware platform. Based on such understanding, the technical solutions of the embodiments of the present invention may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.), and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods of the embodiments of the present invention.
Those skilled in the art will appreciate that the drawings are merely schematic representations of one preferred embodiment and that the blocks or flow diagrams in the drawings are not necessarily required to practice the present invention.
Those skilled in the art will appreciate that the modules in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, and may be correspondingly changed in one or more devices different from the embodiments. The modules of the above embodiments may be combined into one module, or further split into multiple sub-modules.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A method for discriminating a pseudo base station is characterized by comprising the following steps:
determining whether the IP address of the currently accessed mobile network and the UV of the browsing visitor are changed;
when the IP address and the UV are determined to be changed, determining whether the current IP address and the UV belong to a pre-stored address range;
determining whether power consumption of a preselected application program changes when it is determined that the current IP address and UV do not fall within the pre-stored address range;
when the power consumption of the preselected application program is determined to be changed, determining to access the pseudo base station;
when the power consumption of the preselected application program is not changed, determining to access a normal base station;
wherein, the determining whether the IP address and the UV of the currently accessed mobile network change specifically includes:
reading the IP address and UV of the currently accessed 3G or 4G network;
determining whether the 3G or 4G network which is accessed currently is subjected to frequency reduction;
when the 3G or 4G network which is accessed currently is determined to be subjected to frequency reduction, whether the power consumption of the preselected application program is changed or not is determined;
and when determining that the currently accessed 3G or 4G network is not subjected to frequency reduction, determining whether the read IP address and UV of the currently accessed mobile network are changed.
2. The screening method of claim 1, wherein determining whether power consumption of a preselected application has changed comprises:
and confirming whether the electric quantity occupied by the heartbeat package of the preselected application program is changed or not, wherein the application program comprises an instant messaging tool application program.
3. The screening method according to claim 1 or 2, wherein when determining to access the pseudo base station, the method further comprises:
and positioning the current position of the pseudo base station according to the signal power sent by the pseudo base station, the received signal power and the current position of the terminal.
4. The screening method according to claim 3, wherein the positioning the current position of the pseudo base station according to the signal power transmitted by the pseudo base station, the received signal power, and the current position of the terminal specifically includes:
determining the direction of the pseudo base station relative to the terminal according to the received signals sent when the main frequency point of the cell occupied by the pseudo base station is received and the signals sent by the main frequency points of other cells in the base station;
determining the distance between the pseudo base station and the terminal according to the strength of the signal power sent by the pseudo base station, the strength of the received signal power and the current surrounding environment of the terminal;
and positioning the current position of the pseudo base station according to the determined direction and distance of the pseudo base station relative to the terminal and the current position of the terminal.
5. The screening method according to claim 3, after locating the current position of the pseudo base station, further comprising:
and refusing to reside in the cell to which the pseudo base station belongs.
6. A discrimination apparatus of a pseudo base station, comprising:
a first determination unit determining whether an IP address of a currently accessed mobile network and a UV of a browsing visitor are changed;
a second determination unit which determines whether the current IP address and UV belong to a pre-stored address range when it is determined that the IP address and UV are changed;
a third determination unit that determines whether or not power consumption of the preselected application program changes when it is determined that the current IP address and the UV do not belong to the address range stored in advance; when the power consumption of the preselected application program is determined to be changed, determining to access the pseudo base station; when the power consumption of the preselected application program is not changed, determining to access a normal base station;
the first determining unit is specifically configured to read an IP address and a UV of a currently accessed 3G or 4G network; determining whether the 3G or 4G network which is accessed currently is subjected to frequency reduction; when the 3G or 4G network which is accessed currently is determined to be subjected to frequency reduction, whether the power consumption of the preselected application program is changed or not is determined; and when determining that the currently accessed 3G or 4G network is not subjected to frequency reduction, determining whether the read IP address and UV of the currently accessed mobile network are changed.
7. The screening apparatus of claim 6, wherein the third determining unit is specifically configured to determine whether a change in power of heartbeat packets of a preselected application program occurs, the application program comprising an instant messenger application program.
8. The screening apparatus of claim 6 or 7, further comprising: and the positioning unit is used for positioning the current position of the pseudo base station according to the signal power sent by the pseudo base station, the received signal power and the current position of the terminal.
9. The screening apparatus according to claim 8, wherein the positioning unit is specifically configured to determine the orientation of the pseudo base station with respect to the terminal according to the received signal sent at the primary frequency point of the cell occupied by the pseudo base station and the received signal sent at the primary frequency point of another cell in the base station; determining the distance between the pseudo base station and the terminal according to the strength of the signal power sent by the pseudo base station, the strength of the received signal power and the current surrounding environment of the terminal; and positioning the current position of the pseudo base station according to the determined direction and distance of the pseudo base station relative to the terminal and the current position of the terminal.
10. The screening apparatus of claim 8, further comprising: and the processing unit is used for refusing to reside in the cell of the pseudo base station.
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