CN105873067A - Pseudo base-station identification method and terminal - Google Patents
Pseudo base-station identification method and terminal Download PDFInfo
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- CN105873067A CN105873067A CN201610377348.1A CN201610377348A CN105873067A CN 105873067 A CN105873067 A CN 105873067A CN 201610377348 A CN201610377348 A CN 201610377348A CN 105873067 A CN105873067 A CN 105873067A
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- base station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/12—Detection or prevention of fraud
- H04W12/121—Wireless intrusion detection systems [WIDS]; Wireless intrusion prevention systems [WIPS]
- H04W12/122—Counter-measures against attacks; Protection against rogue devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/12—Detection or prevention of fraud
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention provides a pseudo base-station identification method and a terminal. The method comprises the following steps that a system message SI3 of a target cell is received, and a system parameter of the target cell is obtained according to the SI3; the value of the system parameter is compared with a normal value, scoring is conducted on the target cell according to the comparison result, and a score of scoring is obtained; whether a base station corresponding to the target cell is a pseudo base station or not is judged according to the score of scoring. The pseudo base-station identification method and the terminal have the advantage of being high in pseudo base-station identification accuracy.
Description
Technical field
The present invention relates to electronics and the communications field, particularly relate to knowledge method for distinguishing and the terminal of a kind of pseudo-base station.
Background technology
Due to global system for mobile communications (English full name: Global System for Mobile
Communication, English abbreviation: GSM) there is the defect of unidirectional authentication, terminal is entered by the most only network
Row authentication, the legitimacy of terminal None-identified network identity, and then in actual life, occur in that pseudo-base station
Concept, described pseudo-base station system disguises oneself as public mobile communication operator base station, is joined by amendment part system
Number and increasing its own transmission power absorb a range of terminal use, when terminal use's resident puppet of success
Behind puppet community, place, base station, got the identity information of terminal use by registration process, carry out great Rong subsequently
Amount invalid information transmission, and then therefrom obtain illegal profit.The appearance of pseudo-base station is to numerous cellphone subscribers, fortune
Battalion business, even country all brings immeasurable harm, and the most how detecting and filter pseudo-base station becomes eventually
Emphasis in end security strategy.The harm that pseudo-base station is brought: illegally occupy frequency spectrum resource；Obtain cellphone subscriber
Information, a large amount of transmission is swindled or refuse messages；Cellphone subscriber's proper communication is interrupted in finite time.
In the scheme realizing prior art, find that prior art exists following technical problem:
Pseudo-base station cannot effectively be identified by terminal of the prior art, affects mobile phone to a certain extent
Safety, so its safety is low.
Summary of the invention
Thering is provided the knowledge method for distinguishing of a kind of pseudo-base station, the knowledge method for distinguishing of described pseudo-base station is little according to obtaining target
Sound zone system parameter, carries out scoring to identify pseudo-base station according to described systematic parameter to described Target cell, so
It has the advantage that pseudo-base station is readily identified.
On the one hand, it is provided that the knowledge method for distinguishing of a kind of pseudo-base station, described method comprises the steps:
Receive system message SI3 of Target cell, obtain the systematic parameter of described Target cell according to described SI3；
The value of described systematic parameter is compared with normal value, according to comparative result, described Target cell is commented
Point, obtain mark of marking；
Judge whether the base station that described Target cell is corresponding is pseudo-base station according to described scoring mark.
Optionally, described judge whether base station that described Target cell is corresponding is pseudo-base according to described scoring mark
Stand, specifically include:
When described scoring mark is higher than balloon score threshold value, it is determined that the base station that described Target cell is corresponding is pseudo-base
Stand.
Optionally, described method judges, according to described scoring mark, the base station that described Target cell is corresponding described
Before whether being pseudo-base station, also include:
Relatively described Target cell performance number and Serving cell and the performance number of the neighbor cell of Serving cell,
When the performance number of described Target cell is maximum, then scoring mark is increased, when described Target cell
During the non-maximum of performance number, then scoring mark is reduced.
Optionally, described method judges, according to described scoring mark, the base station that described Target cell is corresponding described
It is whether also to include before pseudo-base station:
Calculate the difference between described Target cell position difference code and Serving cell position difference code, as described
Difference is more than difference threshold, then increased by scoring mark.
Optionally, described method also includes:
When the base station that described Target cell is corresponding is pseudo-base station, it is determined that described Target cell Shi Wei community,
The most resident, and perform to operate as follows according to type belonging to described Target cell:
When described Target cell is Serving cell, the most do not update system information database, completely cut off current area,
Triggering cell gravity treatment；
When described Target cell is undetermined, the frequency of Target cell described in labelling is pseudo-community, does not preserve system
Information, adds and forbids that cell lists, triggering cell are heavily searched；
When described Target cell is adjacent area, Target cell described in labelling is pseudo-community, skips this Target cell,
Continue to judge next candidate adjacent；
When described Target cell is application community, does not preserve described target cell information, it is little that described target is set
District's BCCH is invalid, continues search for next community.
Second aspect, it is provided that a kind of terminal, described terminal includes Transmit-Receive Unit and processing unit；
Transmit-Receive Unit, for receiving system message SI3 of Target cell；
Processing unit, for obtaining the systematic parameter of described Target cell according to described SI3；By described system
The value of parameter compares with normal value, marks described Target cell according to comparative result, obtains scoring point
Number；Judge whether the base station that described Target cell is corresponding is pseudo-base station according to described scoring mark.
Optionally, described processing unit, it is additionally operable to when described scoring mark is higher than balloon score threshold value, it is determined that
The base station that described Target cell is corresponding is pseudo-base station.
Optionally, described processing unit, be additionally operable to Target cell performance number described in comparison and Serving cell and
The performance number of the neighbor cell of Serving cell, when the performance number of described Target cell is maximum, then will comment
Divide mark to increase, when the non-maximum of the performance number of described Target cell, then scoring mark is reduced.
Optionally, described processing unit, it is additionally operable to calculate described Target cell position difference code and Serving cell
Difference between the difference code of position, if described difference is more than difference threshold, then increases scoring mark.
Optionally, state processing unit, be additionally operable to when the base station that described Target cell is corresponding is pseudo-base station, then
Determine described Target cell Shi Wei community, the most resident, and perform as follows according to type belonging to described Target cell
Operation:
When described Target cell is Serving cell, the most do not update system information database, completely cut off current area,
Triggering cell gravity treatment；
When described Target cell is undetermined, the frequency of Target cell described in labelling is pseudo-community, does not preserve system
Information, adds and forbids that cell lists, triggering cell are heavily searched；
When described Target cell is adjacent area, Target cell described in labelling is pseudo-community, skips this Target cell,
Continue to judge next candidate adjacent；
When described Target cell is application community, does not preserve described target cell information, it is little that described target is set
District's BCCH is invalid, continues search for next community.
The technical scheme provided according to each embodiment obtains the systematic parameter of Target cell, then according to described
System parameter values is marked Target cell with being normally carried out result of the comparison, then judges institute according to mark
State whether base station is pseudo-base station, so whether it has the base station by terminal unit automatic decision Target cell
For pseudo-base station, utilize system parameter values to determine whether that pseudo-base station has high excellent of pseudo-base station recognition accuracy
Point.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The flow chart knowing method for distinguishing of the pseudo-base station that Fig. 1 provides for the present invention the first better embodiment；
Fig. 2 is the flow chart of the UI based reminding method of the offer of the present invention the first better embodiment；
The flow chart knowing method for distinguishing of the pseudo-base station that Fig. 3 provides for the present invention the second better embodiment；
The flow chart knowing method for distinguishing of the pseudo-base station that Fig. 4 provides for the present invention the 3rd better embodiment
The structural representation of the mobile terminal that Fig. 5 provides for the present invention the 4th better embodiment；
The information schematic diagram that Fig. 6 provides for the specific embodiment of the invention.
Detailed description of the invention
It should be mentioned that, some exemplary embodiments before being discussed in greater detail exemplary embodiment
It is described as process or the method described as flow chart.Although operations is described as order by flow chart
Process, but many of which operation can be implemented concurrently, concomitantly or simultaneously.Additionally,
The order of operations can be rearranged.The most described process can be terminated, but
It is to have the additional step being not included in accompanying drawing.Described process can correspond to method, function,
Code, subroutine, subprogram etc..
Alleged " computer equipment " within a context, also referred to as " computer ", referring to can be by running
Preset program or instruction perform the smart electronics of the predetermined process process such as numerical computations and/or logical calculated
Equipment, it can include processor and memorizer, processor the survival performing to prestore in memory refers to
Order performs predetermined process process, or is performed predetermined process process by hardware such as ASIC, FPGA, DSP,
Or combined by said two devices and to realize.Computer equipment include but not limited to server, PC,
Notebook computer, panel computer, smart mobile phone etc..
Method (some of them are illustrated by flow chart) discussed hereafter can pass through hardware, software,
Firmware, middleware, microcode, hardware description language or its combination in any are implemented.When with software,
When firmware, middleware or microcode are implemented, can in order to the program code or code segment implementing necessary task
To be stored in machine or computer-readable medium (such as storage medium).(one or more) place
Reason device can implement the task of necessity.
Concrete structure disclosed herein and function detail are the most representational, and are for describing this
The purpose of the exemplary embodiment of invention.But the present invention can be implemented by many alternative forms,
And it is not interpreted as being limited only by the embodiments set forth herein.
Although it should be appreciated that here may have been used term " first ", " second " etc.
Describe unit, but these unit should not be limited by these terms.Use these terms only
In order to a unit is made a distinction with another unit.For example, without departing substantially from exemplary embodiment
Scope in the case of, first module can be referred to as second unit, and second unit is permissible similarly
It is referred to as first module.Term "and/or" used herein above include one of them or more listed
Any and all combination of associated item.
Term used herein above is only used to describe specific embodiment and be not intended to limit exemplary enforcement
Example.Unless the context clearly dictates otherwise, singulative the most used herein above " ", " one
" also attempt to include plural number.It is to be further understood that term used herein above " includes " and/or " bag
Contain " existence of feature, integer, step, operation, unit and/or assembly stated of regulation, and do not arrange
Except exist or add other features one or more, integer, step, operation, unit, assembly and/or its
Combination.
It should further be mentioned that replace in implementations at some, the function/action being previously mentioned can be according to
It is different from accompanying drawing the order indicated to occur.For example, involved function/action is depended on, in succession
The two width figures illustrated can essentially substantially simultaneously perform or sometimes can hold in a reverse order
OK.
Refering to the knowledge method for distinguishing of the pseudo-base station that Fig. 1, Fig. 1 provide for the present invention the first better embodiment, institute
Method of stating is realized by mobile terminal, and described method is as it is shown in figure 1, comprise the steps:
Step S101, system message SI3 of reception Target cell,
The concrete meaning of the SI3 in above-mentioned steps S101 and definition may refer to the regulation of gsm protocol, tool
Body may refer to the regulation in 3GPP TS44.018.
Step S102, according to described SI3 obtain Target cell systematic parameter；
In above-mentioned steps S102, systematic parameter can be as shown in table 1, and what table 1 was a known pseudo-base station is
System parameter.
Table 1:
| Systematic parameter | Relatively | Scoring |
| Lac | Lac=0；65534；65535 | 5 |
| rxlev_access_min | 0 | 5 |
| rxlev_access_min | ＜ 3 | 2 |
| cell_resel_offset | 63 | 5 |
| cell_resel_offset | ＞ 60 | 2 |
| t3212 | 1 | 5 |
| t3212 | ＜ 3 | 2 |
| gprs_ind | FALSE | 5 |
| si2q_ind | FALSE | 5 |
| Cell id | 10 | 5 |
In above-mentioned table 1, lac can be the other code in lane place, and described position difference code is used for identifying base station at network
Positional information, described rxlev_access_min can be the minimum level that accesses, and described minimum accesses level
The signal intensity of mark base station, cell_resel_offset can be cell reselection thresholding, represents gravity treatment service
The minima of community, t3212 can be enumerator, and it is for the counting to location updating, and gprs_ind can
Thinking and whether support data service, si2q_ind can be whether to configure 3G, 4G to face cell relation, Cell id
Represent the mark of community.
It should be noted that the present invention is not limiting as the occurrence of said system parameter and concrete type,
In above-mentioned table 1, the kind of systematic parameter may be increased or decreased according to different communication standards, and the present invention is not
Limit the concrete kind of said system parameter and concrete value.
Step S103, the value of described systematic parameter is compared with normal value, according to described comparative result pair
Described Target cell is marked, and obtains mark of marking
The implementation method of above-mentioned steps S103 is specifically as follows, and determines the normal value of systematic parameter, or with table
As a example by the parameter of 1, for Lac, its normal value should described in be the integer between (0,65534), if Lac
When being 0,65534,65535 these three numerical value, the base station of described Serving cell is that the probability of pseudo-base station is with regard to phase
Work as height, so the best result 5 points that must be divided into this of table 1, in like manner, for rxlev_access_min,
Its normal value is typically greater than the value of 5, if so the value of rxlev_access_min is the least, such as table 1 institute
Showing, mark the highest, cell_resel_offset, the value between its normal value generally (0,60), as super
Crossing this scope, be then that the probability of pseudo-base station is the highest, the normal value of t3212 is generally 5 or 6, if remaining
Described numerical value difference is the most remote, then mark the highest, be the most easily pseudo-base station, and the normal value of gprs_ind is true,
If it is FALSE, being the most easily pseudo-base station, the normal value for si2q_ind is true, if its
For FALSE, it it is the most easily pseudo-base station.
The principle arranging above-mentioned mark is based on the feature of pseudo-base station, and for pseudo-base station, it belongs to single base
Stand, i.e. cannot carry out corresponding communication with mobile communications network, then pseudo-base station would not support data service (i.e.
Business of networking), pseudo-base station also will not support speech business, and it belongs to the sending rubbish short message in group singly deposited, and it attracts
The mode of terminal is mainly taked to improve the mode launching power to attract terminal to move into the little of described pseudo-base station
District, by these features.The present invention analyzes a lot of pseudo-base station, sums up and comes by the way of systematic parameter
Identify pseudo-base station, by it was verified that it can realize the identification of above-mentioned pseudo-base station by terminal unit,
It has good identity and promptness, and recognition accuracy is high.
Step S104, judge whether the base station that described Target cell is corresponding is pseudo-base station according to described scoring mark.
The implementation method of above-mentioned steps S104 is specifically as follows, if described scoring mark is higher than balloon score threshold value,
Then determine that the base station that described Target cell is corresponding is pseudo-base station.
The occurrence of above-mentioned balloon score threshold value can be by user's sets itself, and such as, above-mentioned balloon score threshold value has
Body can be 30 points, can also select 35 points or other numerical value the most in actual applications.
The present invention the first better embodiment obtains the systematic parameter of Target cell, then joins according to described system
Numerical value marks Target cell with being normally carried out result of the comparison, then judges described base station according to mark
Whether it is pseudo-base station, so it has whether the base station by terminal unit automatic decision Target cell is pseudo-base
Stand, the advantage that pseudo-base station recognition accuracy is high.
Optionally, said method can also include after step s 104:
Base station as corresponding in Target cell is pseudo-base station, it is determined that Target cell Shi Wei community, the most resident, and
Perform to operate as follows according to type belonging to Target cell:
Operation A, Target cell are Serving cell, the most do not update system information database, completely cut off (barred)
Current area, triggering cell gravity treatment；
Operation B, Target cell are (pending) undetermined, and the frequency of Target cell described in labelling is pseudo-community,
Not preserving system information, add and forbid cell lists (forbidden cell list), triggering cell is heavily searched；
Operation C, Target cell are adjacent area, and Target cell described in labelling is pseudo-community, skips this Target cell,
Continue to judge next candidate adjacent；
Operation D, Target cell are application (candidate) community, do not preserve target cell information, arrange
Target cell BCCH invalid (BCCH invalid), continues search for next community.
Optionally, said method can also include after step s 104:
After determining that the base station that Target cell is corresponding is pseudo-base station, at the system information parsing of described pseudo-base station
After reason, send prompting message by UI interface.
Its mode realized is as in figure 2 it is shown, include:
Step S201, after pseudo-base station being detected, mobile communication bottom (is led pseudo-base station information in time at present
There is provided and include a frequency (arfcn), frequency range (band), community ID (cellid), location area code (LAC)
Information interior) report mobile phone upper strata；
After step S202, mobile phone upper strata receive this information, resolve data, and preserve according to present system time
In data base fakebs_data (such as: 2016-03-21:arfcn ()；band()..) and with extensively
The mode broadcast is sent to UI；
After step S203, UI receive this information, (after needing user to confirm, bullet frame just disappears, no to play frame prompting
Exist the most always, can be saved in drop-down menu), signal language undetermined (" distinguished user, currently detected 1
Individual pseudo-base station, we filter for you, ask relieved use ").Prompting is as shown in Figure 6.
Refering to the knowledge method for distinguishing of the pseudo-base station that Fig. 3, Fig. 3 provide for the present invention the second better embodiment, institute
Method of stating is realized by mobile terminal, and described method is as it is shown on figure 3, comprise the steps:
Step S301, system message SI3 of reception Target cell,
Concrete meaning and the definition of above-mentioned SI3 can not repeat with the description of step S101.
Step S302, according to described SI3 obtain Target cell systematic parameter；
In above-mentioned steps S302, systematic parameter can be as shown in table 1, and what table 1 was a known pseudo-base station is
System parameter.
It should be noted that the present invention is not limiting as the occurrence of said system parameter and concrete type,
In above-mentioned table 1, the kind of systematic parameter may be increased or decreased according to different communication standards, and the present invention is not
Limit the concrete kind of said system parameter and concrete value.
Step S303, the value of described systematic parameter is compared with normal value, according to described comparative result pair
Described Target cell is marked, and obtains mark of marking；
The implementation method of above-mentioned steps S303 is specifically as follows, and determines the normal value of systematic parameter, or with table
As a example by the parameter of 1, for Lac, its normal value should described in be the integer between (0,65534), if Lac
When being 0,65534,65535 these three numerical value, the base station of described Serving cell is that the probability of pseudo-base station is with regard to phase
Work as height, so the best result 5 points that must be divided into this of table 1, in like manner, for rxlev_access_min,
Its normal value is typically greater than the value of 5, if so the value of rxlev_access_min is the least, such as table 1 institute
Showing, mark the highest, cell_resel_offset, the value between its normal value generally (0,60), as super
Crossing this scope, be then that the probability of pseudo-base station is the highest, the normal value of t3212 is generally 5 or 6, if remaining
Described numerical value difference is the most remote, then mark the highest, be the most easily pseudo-base station, and the normal value of gprs_ind is true,
If it is FALSE, being the most easily pseudo-base station, the normal value for si2q_ind is true, if its
For FALSE, it it is the most easily pseudo-base station.
The principle arranging above-mentioned mark is based on the feature of pseudo-base station, and for pseudo-base station, it belongs to single base
Stand, i.e. cannot carry out corresponding communication with mobile communications network, then pseudo-base station would not support data service (i.e.
Business of networking), pseudo-base station also will not support speech business, and it belongs to the sending rubbish short message in group singly deposited, and it attracts
The mode of terminal is mainly taked to improve the mode launching power to attract terminal to move into the little of described pseudo-base station
District, by these features.The present invention analyzes a lot of pseudo-base station, sums up and comes by the way of systematic parameter
Identify pseudo-base station, by it was verified that it can realize the identification of above-mentioned pseudo-base station by terminal unit,
It has good identity and promptness, and has the highest recognition accuracy.
Step S304, comparison object cell power value and Serving cell and the merit of the neighbor cell of Serving cell
Rate value, the performance number such as Target cell is maximum, then increased by scoring mark, and the performance number such as Target cell is non-
Maximum, then reduce scoring mark.
Its implementation can be, the performance number of such as Target cell is 200W, Serving cell for 45W, phase
Adjacent cell be: 35W and 30W, it is determined that the performance number of Target cell is maximum, by the scoring of step S303
Mark increases.
It should be noted that the performance number of above-mentioned community can be varied from according to the difference of its position, but its
Excursion is little.
Step S305, judge whether the base station that described Target cell is corresponding is pseudo-base station according to described scoring mark.
The implementation method of above-mentioned steps S305 is specifically as follows, if described scoring mark is higher than balloon score threshold value,
Then determine that the base station that described Target cell is corresponding is pseudo-base station.
The concrete value of above-mentioned balloon score threshold value may refer to the description of the present invention the first better embodiment.
The present invention the second better embodiment obtains the systematic parameter of Target cell, then joins according to described system
Numerical value marks Target cell, then according to the performance number pair of Target cell with being normally carried out result of the comparison
Described scoring mark is adjusted, and then judges whether described base station is pseudo-base station according to mark, so its
Have whether the base station by terminal unit automatic decision Target cell is pseudo-base station, pseudo-base station recognition accuracy
High advantage.
Optionally, said method can also include after step S304:
Base station as corresponding in Target cell is pseudo-base station, it is determined that Target cell Shi Wei community, the most resident, and
Perform to operate as follows according to type belonging to Target cell:
Operation A, Target cell are Serving cell, the most do not update system information database, completely cut off (barred)
Current area, triggering cell gravity treatment；
Operation B, Target cell are (pending) undetermined, and Target cell frequency described in labelling is pseudo-community, no
Preserving system information, add and forbid cell lists (forbidden cell list), triggering cell is heavily searched；
Operation C, Target cell are adjacent area, and Target cell described in labelling is pseudo-community, skips this Target cell,
Continue to judge next candidate adjacent；
Operation D, Target cell are application (candidate) community, do not preserve target cell information, arrange
Target cell BCCH invalid (BCCH invalid), continues search for next community.
The purpose that the present invention the second better embodiment is arranged is because for pseudo-base station, its performance number one
Being power maximum in Serving cell and neighbor cell for as, if its power is the least, then terminal will not
Select to move into described pseudo-base station, all by power being judged scoring can also improve the standard of pseudo-base station identification
Exactness.
Refering to the knowledge method for distinguishing of the pseudo-base station that Fig. 4, Fig. 4 provide for the present invention the 3rd better embodiment, institute
Method of stating is realized by mobile terminal, and described method as shown in Figure 4, comprises the steps:
Step S401, system message SI3 of reception Target cell,
Concrete meaning and the definition of above-mentioned SI3 can not repeat with the description of step S101.
Step S402, according to described SI3 obtain Target cell systematic parameter；
In above-mentioned steps S402, systematic parameter can be as shown in table 1, and what table 1 was a known pseudo-base station is
System parameter.
It should be noted that the present invention is not limiting as the occurrence of said system parameter and concrete type,
In above-mentioned table 1, the kind of systematic parameter may be increased or decreased according to different communication standards, and the present invention is not
Limit the concrete kind of said system parameter and concrete value.
Step S403, the value of described systematic parameter is compared with normal value, according to described comparative result pair
Described Target cell is marked；
The implementation method of above-mentioned steps S403 is specifically as follows, and determines the normal value of systematic parameter, or with table
As a example by the parameter of 1, for Lac, its normal value should described in be the integer between (0,65534), if Lac
When being 0,65534,65535 these three numerical value, the base station of described Serving cell is that the probability of pseudo-base station is with regard to phase
Work as height, so the best result 5 points that must be divided into this of table 1, in like manner, for rxlev_access_min,
Its normal value is typically greater than the value of 5, if so the value of rxlev_access_min is the least, such as table 1 institute
Showing, mark the highest, cell_resel_offset, the value between its normal value generally (0,60), as super
Crossing this scope, be then that the probability of pseudo-base station is the highest, the normal value of t3212 is generally 5 or 6, if remaining
Described numerical value difference is the most remote, then mark the highest, be the most easily pseudo-base station, and the normal value of gprs_ind is true,
If it is FALSE, being the most easily pseudo-base station, the normal value for si2q_ind is true, if its
For FALSE, it it is the most easily pseudo-base station.
The principle arranging above-mentioned mark is based on the feature of pseudo-base station, and for pseudo-base station, it belongs to single base
Stand, i.e. cannot carry out corresponding communication with mobile communications network, then pseudo-base station would not support data service (i.e.
Business of networking), pseudo-base station also will not support speech business, and it belongs to the sending rubbish short message in group singly deposited, and it attracts
The mode of terminal is mainly taked to improve the mode launching power to attract terminal to move into the little of described pseudo-base station
District, by these features.The present invention analyzes a lot of pseudo-base station, sums up and comes by the way of systematic parameter
Identify pseudo-base station, by it was verified that it can realize the identification of above-mentioned pseudo-base station by terminal unit,
It has good identity and promptness, and has the highest recognition accuracy.
Step S404, the difference calculated between Target cell lac and Serving cell lac are as big in described difference
In difference threshold, then scoring mark is increased.
Its implementation can be, the lac value of such as Target cell is 1, and the lac value of Serving cell is 10111,
Its difference is 10110, it is evident that the lac value of described Target cell is the hugest with the value difference of server cell,
According to the distribution of lac value principle it is known that two values differing huge lac be will not be arranged to face little
District, so the probability of Target cell Shi Wei community increases, so scoring mark increases.Above-mentioned difference threshold
It is specifically as follows, 100,50,60 or some other value can also be arranged to the most in actual applications.
It should be noted that the performance number of above-mentioned community can be varied from according to the difference of its position, but its
Excursion is little.
Step S405, judge whether the base station that described Target cell is corresponding is pseudo-base station according to described scoring mark.
The implementation method of above-mentioned steps S405 is specifically as follows, if described scoring mark is higher than balloon score threshold value,
Then determine that the base station that described Target cell is corresponding is pseudo-base station.
The present invention the 3rd better embodiment obtains the systematic parameter of Target cell, then joins according to described system
Numerical value marks Target cell with being normally carried out result of the comparison, then according to the position difference of Target cell
Described scoring mark is adjusted by code with the difference of Serving cell position difference code, then sentences according to mark
Whether disconnected described base station is pseudo-base station, so it has the base station by terminal unit automatic decision Target cell
Whether it is pseudo-base station, the advantage that pseudo-base station recognition accuracy is high.
Optionally, said method can also include after step S404:
Base station as corresponding in Target cell is pseudo-base station, it is determined that Target cell Shi Wei community, the most resident, and
Perform to operate as follows according to type belonging to Target cell:
Operation A, Target cell are Serving cell, the most do not update system information database, completely cut off (barred)
Current area, triggering cell gravity treatment；
Operation B, Target cell are (pending) undetermined, and the frequency of Target cell described in labelling is pseudo-community,
Not preserving system information, add and forbid cell lists (forbidden cell list), triggering cell is heavily searched；
Operation C, Target cell are adjacent area, and Target cell described in labelling is pseudo-community, skips this Target cell,
Continue to judge next candidate adjacent；
Operation D, Target cell are application (candidate) community, do not preserve target cell information, arrange
Target cell BCCH invalid (BCCH invalid), continues search for next community.
The setting of the present invention the 3rd better embodiment is because for neighbor cell, the difference of its lac
Not too large, for pseudo-base station, owing to its mobility is general the strongest, so its lac with server basestation
Difference the biggest, this difference is excessive, then be that the probability of pseudo-base station is the highest, and so we are by increasing
Add to comment on and point identify pseudo-base station, there is the advantage that pseudo-base station accuracy of identification is high.
The present invention the 4th better embodiment provides a kind of terminal, and described terminal is specifically as follows: mobile phone, intelligence
Energy wrist-watch, the equipment such as panel computer, personal digital assistant, the term of the present invention the 4th better embodiment
It is the most real that the specific embodiment of definition and processing unit may refer to the present invention first, second, third
Execute the description of mode, do not repeating.Described terminal is as it is shown in figure 5, include: Transmit-Receive Unit 501 He
Processing unit 502, wherein,
Transmit-Receive Unit 501, for receiving system message SI3 of Target cell；
The concrete structure of described SI3 message may refer to the description in step S101.
Processing unit 502, for obtaining the systematic parameter of described Target cell according to described SI3；By described system
The value of system parameter compares with normal value, marks described Target cell according to comparative result, is marked
Mark；Judge whether the base station that described Target cell is corresponding is pseudo-base station according to described scoring mark.
Optionally, processing unit 502, it is additionally operable to when described scoring mark is higher than balloon score threshold value, it is determined that institute
Stating base station corresponding to Target cell is pseudo-base station.
Optionally, processing unit 502, it is additionally operable to Target cell performance number described in comparison and Serving cell and clothes
The performance number of the neighbor cell of business community, when the performance number of described Target cell is maximum, then will scoring
Mark increases, and when the non-maximum of the performance number of described Target cell, is then reduced by scoring mark.
Optionally, processing unit 502, it is additionally operable to calculate described Target cell position difference code and Serving cell position
Put the difference between difference code, if described difference is more than difference threshold, then scoring mark is increased.
Optionally, processing unit 502, it is additionally operable to when the base station that described Target cell is corresponding is pseudo-base station, then
Determine described Target cell Shi Wei community, the most resident, and perform as follows according to type belonging to described Target cell
Operation:
When described Target cell is Serving cell, the most do not update system information database, completely cut off current area,
Triggering cell gravity treatment；
When described Target cell is undetermined, the frequency of Target cell described in labelling is pseudo-community, does not preserve system
Information, adds and forbids that cell lists, triggering cell are heavily searched；
When described Target cell is adjacent area, Target cell described in labelling is pseudo-community, skips this Target cell,
Continue to judge next candidate adjacent；
When described Target cell is application community, does not preserve described target cell information, it is little that described target is set
District's BCCH is invalid, continues search for next community.It should be noted that the present invention the 4th is preferable
Transmit-Receive Unit in embodiment can also use transceiver to substitute, and above-mentioned processing unit can also use process
Device substitutes, and above-mentioned processor, according to practical situation, can be one or more.
It should be noted that for aforesaid each method embodiment or embodiment, in order to be briefly described, therefore
It is all expressed as a series of combination of actions, but those skilled in the art should described in know, the present invention is also
Do not limited by described sequence of movement, because according to the present invention, some step can use other orders
Or carry out simultaneously.Secondly, those skilled in the art also should described in know, embodiment party described in the specification
Formula or embodiment belong to preferred embodiment, and involved action and unit not necessarily present invention institute is necessary
's.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, in certain embodiment the most in detail
The part stated, may refer to the associated description of other embodiments.
Step in embodiment of the present invention method can carry out order according to actual needs and adjust, merges and delete.
Unit in embodiment of the present invention device can merge according to actual needs, divides and delete.This
The feature of the different embodiments described in this specification and different embodiment can be entered by the technical staff in field
Row combines or combination.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive this
Bright can realize with hardware, or firmware realizes, or combinations thereof mode realizes.Realize when using software
Time, above-mentioned functions can be stored in computer-readable medium or as on computer-readable medium
Or multiple instruction or code are transmitted.Computer-readable medium includes computer-readable storage medium and communication media,
Wherein communication media includes any medium being easy to transmit computer program to another place from a place.
Storage medium can be any usable medium that computer can access.As example but be not limited to: computer
Computer-readable recording medium can include random access memory (Random Access Memory, RAM), read only memory
(Read-Only Memory, ROM), EEPROM (E1ectrically Erasable
Programmable Read-Only Memory, EEPROM), read-only optical disc (Compact Disc Read-Only
Memory, CD-ROM) or other optical disc storage, magnetic disk storage medium or other magnetic storage apparatus or energy
It is enough in carry or store and there is instruction or the desired program code of data structure form can be by computer
Any other medium of access.In addition.Any connection can be suitable become computer-readable medium.Such as,
If software is to use coaxial cable, optical fiber cable, twisted-pair feeder, Digital Subscriber Line (Digital Subscriber
Line, DSL) or the wireless technology of such as infrared ray, radio and microwave etc from website, server or
Other remote source of person, then coaxial cable, optical fiber cable, twisted-pair feeder, DSL or such as infrared ray,
The wireless technology of wireless and microwave etc be included in affiliated medium fixing in.As used in the present invention, dish
(Disk) and dish (disc) include compress laser disc (CD), laser dish, laser disc, Digital Versatile Disc (DVD),
Floppy disk and Blu-ray Disc, the duplication data of the usual magnetic of its mid-game, dish then carrys out the duplication number of optics with laser
According to.Within above combination above should also be as being included in the protection domain of computer-readable medium.
In a word, the foregoing is only the preferred embodiment of technical solution of the present invention, be not intended to limit this
The protection domain of invention.All within the spirit and principles in the present invention, any amendment of being made, equivalent,
Improve, should be included within the scope of the present invention.
Claims (10)
1. the knowledge method for distinguishing of a pseudo-base station, it is characterised in that described method comprises the steps:
Receive system message SI3 of Target cell, obtain the systematic parameter of described Target cell according to described SI3；
The value of described systematic parameter is compared with normal value, according to comparative result, described Target cell is commented
Point, obtain mark of marking；
Judge whether the base station that described Target cell is corresponding is pseudo-base station according to described scoring mark.
Method the most according to claim 1, it is characterised in that described according to the judgement of described scoring mark
Whether the base station that described Target cell is corresponding is pseudo-base station, specifically includes:
When described scoring mark is higher than balloon score threshold value, it is determined that the base station that described Target cell is corresponding is pseudo-base
Stand.
Method the most according to claim 2, it is characterised in that described method is in the commentary of described foundation institute
Before dividing mark to judge whether the base station that described Target cell is corresponding is pseudo-base station, also include:
Relatively described Target cell performance number and Serving cell and the performance number of the neighbor cell of Serving cell,
When the performance number of described Target cell is maximum, then scoring mark is increased, when described Target cell
During the non-maximum of performance number, then scoring mark is reduced.
Method the most according to claim 2, it is characterised in that described method is in the commentary of described foundation institute
Point mark judges that whether base station that described Target cell is corresponding is also to include before pseudo-base station:
Calculate the difference between described Target cell position difference code and Serving cell position difference code, as described
Difference is more than difference threshold, then increased by scoring mark.
5. according to the method described in any one of claim 1-4, it is characterised in that described method also includes:
When the base station that described Target cell is corresponding is pseudo-base station, it is determined that described Target cell Shi Wei community,
The most resident, and perform to operate as follows according to type belonging to described Target cell:
When described Target cell is Serving cell, the most do not update system information database, completely cut off current area,
Triggering cell gravity treatment；
When described Target cell is undetermined, the frequency of Target cell described in labelling is pseudo-community, does not preserve system
Information, adds and forbids that cell lists, triggering cell are heavily searched；
When described Target cell is adjacent area, Target cell described in labelling is pseudo-community, skips this Target cell,
Continue to judge next candidate adjacent；
When described Target cell is application community, does not preserve described target cell information, it is little that described target is set
District's BCCH is invalid, continues search for next community.
6. a terminal, it is characterised in that described terminal includes Transmit-Receive Unit and processing unit；
Transmit-Receive Unit, for receiving system message SI3 of Target cell；
Processing unit, for obtaining the systematic parameter of described Target cell according to described SI3；By described system
The value of parameter compares with normal value, marks described Target cell according to comparative result, obtains scoring point
Number；Judge whether the base station that described Target cell is corresponding is pseudo-base station according to described scoring mark.
Terminal the most according to claim 6, it is characterised in that described processing unit, is additionally operable to work as institute
Commentary mark is higher than balloon score threshold value, it is determined that the base station that described Target cell is corresponding is pseudo-base station.
Terminal the most according to claim 7, it is characterised in that described processing unit, is additionally operable to compare
Described Target cell performance number and Serving cell and the performance number of the neighbor cell of Serving cell, when described mesh
When the performance number of mark community is maximum, then scoring mark is increased, when the performance number of described Target cell is non-
During maximum, then scoring mark is reduced.
Terminal the most according to claim 7, it is characterised in that described processing unit, is additionally operable to calculate
Difference between described Target cell position difference code and Serving cell position difference code, as described difference is more than
Difference threshold, then increase scoring mark.
10. according to the terminal described in any one of claim 6-9, it is characterised in that described processing unit,
It is additionally operable to when the base station that described Target cell is corresponding is pseudo-base station, it is determined that described Target cell Shi Wei community,
The most resident, and perform to operate as follows according to type belonging to described Target cell:
When described Target cell is Serving cell, the most do not update system information database, completely cut off current area,
Triggering cell gravity treatment；
When described Target cell is undetermined, the frequency of Target cell described in labelling is pseudo-community, does not preserve system
Information, adds and forbids that cell lists, triggering cell are heavily searched；
When described Target cell is adjacent area, Target cell described in labelling is pseudo-community, skips this Target cell,
Continue to judge next candidate adjacent；
When described Target cell is application community, does not preserve described target cell information, it is little that described target is set
District's BCCH is invalid, continues search for next community.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610377348.1A CN105873067A (en) | 2016-05-31 | 2016-05-31 | Pseudo base-station identification method and terminal |
| PCT/CN2016/107894 WO2017206455A1 (en) | 2016-05-31 | 2016-11-30 | Method for identifying pseudo base station, and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610377348.1A CN105873067A (en) | 2016-05-31 | 2016-05-31 | Pseudo base-station identification method and terminal |
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| CN105873067A true CN105873067A (en) | 2016-08-17 |
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ID=56641764
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610377348.1A Pending CN105873067A (en) | 2016-05-31 | 2016-05-31 | Pseudo base-station identification method and terminal |
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| WO (1) | WO2017206455A1 (en) |
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| CN112399418A (en) * | 2019-08-02 | 2021-02-23 | 华为技术有限公司 | Method and apparatus for communication |
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