CN102843714A - Method for confirming GSM (global system for mobile communications) base station simulator according to wireless parameters - Google Patents
Method for confirming GSM (global system for mobile communications) base station simulator according to wireless parameters Download PDFInfo
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Abstract
本发明公开了一种利用无线参数确认GSM基站模拟器的方法，其中，包括以下步骤：提供移动通信装置，可接入GSM网络；进入移动通信装置的工程模式状态，显示多个小区的位置区码、小区重选偏置参数、小区接收信号强度值以及小区选择参数；比较当前小区的位置区码与显示的其它相邻小区的位置区码，判断当前小区位置区码是否与其它相邻小区的位置区码相同；设定第一阈值，比较小区重选偏置参数与第一阈值，判断小区重选偏置参数是否高于第一阈值；设定第二阈值，比较小区接收信号强度值和小区选择参数值的差值是否低于所述第二阈值。本发明借助移动通信装置的工程模式观察无线参数即可确认GSM基站模拟器的存在与否，操作简单，结果准确。
The invention discloses a method for confirming a GSM base station simulator by using wireless parameters, which includes the following steps: providing a mobile communication device capable of accessing the GSM network; entering the engineering mode state of the mobile communication device, and displaying location areas of multiple cells code, cell reselection bias parameter, cell received signal strength value and cell selection parameters; compare the location area code of the current cell with the displayed location area codes of other adjacent cells, and judge whether the location area code of the current cell is consistent with that of other adjacent cells the same location area code; set the first threshold, compare the cell reselection bias parameter with the first threshold, and judge whether the cell reselection bias parameter is higher than the first threshold; set the second threshold, and compare the received signal strength value of the cell Whether the difference with the cell selection parameter value is lower than the second threshold. The present invention can confirm the existence of the GSM base station simulator by observing the wireless parameters by means of the engineering mode of the mobile communication device, and the operation is simple and the result is accurate.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method of utilizing wireless parameter to confirm the GSM base station simulator.
Background technology
The GSM base station simulator is a kind of testing equipment that can simulate all signals that sent a GSM mobile communication base station, and this equipment can carry out the information interaction of various air interface aspects with mobile subscriber terminal.The GSM base station simulator also possesses the partial function of equipment such as base station controller, mobile switching centre, mobile user affiliation location register except that comprising transceiver, BBP.
The main application of GSM base station simulator is that mobile subscriber terminal (GSM mobile handset) is tested.This moment, the GSM base station simulator can confirm that whether mobile subscriber terminal exists, and voice call etc. can sent short messages, dial or answer to mobile subscriber terminal mutually in the signal cover of GSM base station simulator.
The GSM base station simulator uses between the shielding that does not have mobile communications network to cover generally speaking.When using under the environment that the GSM base station simulator is having mobile communications network to cover; If the signal strength signal intensity of GSM base station simulator is greater than the GSM base station signal strength of operator; Mobile subscriber terminal can select to get into GSM base station simulator network, but not carrier network.Because the GSM base station simulator truly is not connected with the mobile communications network of operator; Therefore get into GSM base station simulator signal cover mobile subscriber terminal can't with the mobile subscriber terminal proper communication in the carrier network, comprise the transmitting-receiving short message, dial or answer voice call etc.In addition; Because both wireless signal coverages are often overlapped; The wireless signal frequency is also identical or close, and the GSM base station simulator can produce the mobile communications network of operator and disturb in this case, thereby the normal operation of mobile communications network is caused harmful effect.Because the GSM base station simulator can be simulated all signals that send the mobile communication base station, therefore be difficult to from signal, the base station of GSM base station simulator and operator distinguished.
Summary of the invention
To the problem of above-mentioned existence, the purpose of this invention is to provide a kind of method of utilizing wireless parameter to confirm the GSM base station simulator, overcome the technical problem that tradition can't conveniently be confirmed the GSM base station simulator.
The objective of the invention is to realize through following technical proposals:
A kind of method of utilizing wireless parameter to confirm the GSM base station simulator wherein, may further comprise the steps:
Mobile communications device is provided, and said mobile communications device can insert the GSM network;
Get into the engineering mode state of said mobile communications device, said engineering mode state shows that Location Area Code, district reselecting offset parameter, the sub-district of a plurality of sub-districts receive signal strength values and cell selecting parameter;
Relatively the Location Area Code of other neighbor cell of the Location Area Code of current area and demonstration judges whether the current area Location Area Code is identical with the Location Area Code of other neighbor cell;
Set first threshold, relatively district reselecting offset parameter and said first threshold judge whether said district reselecting offset parameter is higher than first threshold;
Set second threshold value, whether the difference that more said sub-district receives signal strength values and cell selecting parameter value is lower than said second threshold value.
The above-mentioned wireless parameter that utilizes is confirmed the method for GSM base station simulator, wherein, in the Location Area Code step that compares the sub-district, also comprises:
If Location Area Code and said other neighbor cell Location Area Code of said current area are all inequality, judged whether that other step do not carry out, if then continue other step; If not; Then adjudicate;
If the Location Area Code of said current area is identical with said other neighbor cell Location Area Code, then cancellation judgement;
The above-mentioned wireless parameter that utilizes is confirmed the method for GSM base station simulator, wherein, in the step that compares the district reselecting offset parameter, also comprises:
If said district reselecting offset parameter is higher than said first threshold, judged whether that other step do not carry out, if then continue other step; If not; Then adjudicate;
If said district reselecting offset parameter is lower than said first threshold, then cancellation judgement;
The above-mentioned method of utilizing wireless parameter to confirm the GSM base station simulator wherein, in the step of the difference of more said sub-district reception signal strength values and cell selecting parameter value, also comprises:
Be lower than second threshold value if said sub-district receives the difference of signal strength values and cell selecting parameter value, judged whether that other step do not carry out, if then continue other step; If not; Then adjudicate;
If receiving the difference of signal strength values and cell selecting parameter value, said sub-district is higher than second threshold value, the cancellation judgement.
The above-mentioned wireless parameter that utilizes is confirmed the method for GSM base station simulator, and wherein, said court verdict comprises confirms that wireless parameter GSM base station simulator exists and rejection wireless parameter GSM base station simulator exists.
The above-mentioned wireless parameter that utilizes is confirmed the method for GSM base station simulator, and wherein, said mobile communications device is a GSM network mobile device.
The above-mentioned wireless parameter that utilizes is confirmed the method for GSM base station simulator, and wherein, said engineering mode state shows that the Location Area Code of a plurality of sub-districts comprises the Location Area Code of six neighbor cells of current area Location Area Code and signal level maximum.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention has utilized the GSM base station simulator through wireless parameter the more mobile subscriber terminal of attraction to be set and has got into this sub-district through cell selecting, district reselecting respectively; And initiatively initiate more new technological process and then obtain its international mobile subscriber identity, International Mobile Equipment Identity sign indicating number or the similar characteristics of information such as relevant information of position; Whether observe existence that wireless parameter can confirm the GSM base station simulator by the engineering mode of mobile communications device; Simple to operate, the result is accurate.
Description of drawings
Fig. 1 is a kind of method flow diagram that utilizes wireless parameter to confirm the GSM base station simulator in one embodiment of the present of invention.
Embodiment
Below in conjunction with schematic diagram and concrete operations embodiment the present invention is described further.
As shown in fig. 1, a kind of method of utilizing wireless parameter to confirm the GSM base station simulator wherein, may further comprise the steps:
Mobile communications device is provided, and said mobile communications device can insert the GSM network;
Get into the engineering mode state of said mobile communications device, said engineering mode state shows that Location Area Code, district reselecting offset parameter, the sub-district of a plurality of sub-districts receive signal strength values and cell selecting parameter; In the enforcement; The present invention confirms the existence of GSM base station simulator; Carry out through three definite steps: promptly the difference that the Location Area Code of sub-district is judged, the district reselecting offset parameter is judged and the sub-district receives between signal strength values and the cell selecting parameter is judged; Particularly, comprise following three steps:
Relatively the Location Area Code of other neighbor cell of the Location Area Code of current area and demonstration judges whether the current area Location Area Code is identical with the Location Area Code of other sub-district; If Location Area Code and said other neighbor cell Location Area Code of said current area are all inequality, judged whether that other step do not carry out, if then continue other step; If not; Then adjudicate; If the Location Area Code of said current area is identical with said other neighbor cell Location Area Code, then cancellation judgement;
Whether the LAC value through observing current area all different with the LAC value of neighbor cell is used as confirming the method for one of the condition of base station simulator existence; Having utilized mobile subscriber terminal (GSM mobile handset) when entering has the sub-district of Different L AC, can initiatively carry out the position upgrades; And base station simulator utilizes this position updating process to obtain the characteristics of mobile subscriber terminal IMSI or IMEI information usually; Through comparing the LAC value of current area and adjacent sub-district, can confirm tentatively that base station simulator exists.
Set first threshold, relatively district reselecting offset parameter and said first threshold judge whether said district reselecting offset parameter is higher than first threshold; Wherein, in this step,, judged whether that other step do not carry out, if then continue other step if said district reselecting offset parameter is higher than said first threshold; If not; Then adjudicate; If said district reselecting offset parameter is lower than said first threshold, then cancellation judgement; The method that whether is higher than one of condition that a predefined first threshold is used as confirming that base station simulator exists through the district reselecting biasing (CRO) of observing current area; Utilized the CRO value high more; The easier gravity treatment of mobile subscriber terminal gets into this sub-district; And thereby base station simulator is provided with the characteristics that higher CRO value attracts more mobile subscriber terminal gravity treatments to get into usually, through CRO value and predefined first threshold are compared, can confirm tentatively that base station simulator exists.In the enforcement, this first threshold confirms that according to reality condition can change, thereby can be better, judge more accurately.
Set second threshold value, whether the difference that more said sub-district receives signal strength values and cell selecting parameter value is lower than said second threshold value.Wherein, Receive in the step of difference of signal strength values and cell selecting parameter value in more said sub-district, also comprise:, judged whether that other step do not carry out if the difference of said sub-district reception signal strength values and cell selecting parameter value is lower than second threshold value; If then continue other step; If not; Then adjudicate; If receiving the difference of signal strength values and cell selecting parameter value, said sub-district is higher than second threshold value, the cancellation judgement.
Whether the reception signal strength signal intensity (Rx_lev) through observing current area and the difference of cell selecting parameter value C1 value are lower than the method that predefined second threshold value is used as confirming one of the condition of base station simulator existence; Utilized this difference high more; Mobile subscriber terminal gets into this sub-district through cell selecting more easily; And thereby base station simulator is provided with the characteristics that lower difference attracts more mobile subscriber terminals selections to get into usually; Difference and pre-set threshold 2 through receiving signal strength signal intensity (Rx_lev) and cell selecting C1 value compare, and can confirm tentatively that base station simulator exists.Equally, in force, this second threshold value confirms that according to reality condition can change, and then carries out and judge.
In a specific embodiment of the present invention, shown in Fig. 1,
S1: mobile communications device is provided, and said mobile communications device can insert the GSM network;
S2: get into the engineering mode state of said mobile communications device, said engineering mode state shows that Location Area Code (LAC), district reselecting offset parameter (CRO), the sub-district of a plurality of sub-districts receive signal strength values (Rx_lev) and cell selecting parameters C 1;
S3: the Location Area Code of the Location Area Code of comparison current area and other neighbor cell of demonstration, judge whether the current area Location Area Code is identical with the Location Area Code of other sub-district; If, then continue execution in step S4, if not, execution in step S7 then.In one embodiment of the invention; Show that at the engineering mode state Location Area Code of a plurality of sub-districts comprises the Location Area Code of six neighbor cells that current area Location Area Code and signal level are maximum, need with the current area Location Area Code respectively with the Location Area Code of neighbor cell compare judge whether identical.
S4: set first threshold, relatively district reselecting offset parameter and said first threshold judge whether said district reselecting offset parameter is higher than first threshold; If, then continue execution in step S5, if not, execution in step S7 then.
S5: set second threshold value, whether the difference that more said sub-district receives signal strength values and cell selecting parameter value is lower than said second threshold value, if, then get into step S6, if not, execution in step S7 then.
S6: confirm that the GSM base station simulator exists, and quits work;
S7: the cancellation judgement, in this step, can quit work, rejection wireless parameter GSM base station simulator exists; Can also be as shown in fig. 1, continue to be back to step S1, carry out the steps flow chart whether above-mentioned affirmation GSM base station simulator exists again.
In one embodiment of the invention, can select GSM network mobile device to carry out above-mentioned step as mobile communications device.
More than specific embodiment of the present invention is described in detail, but the present invention is not restricted to the specific embodiment of above description, it is just as example.To those skilled in the art, any equivalent modifications and alternative also all among category of the present invention.Therefore, not breaking away from impartial conversion and the modification of having done under the spirit and scope of the present invention, all should contain within the scope of the invention.
Claims (6)
1. a method of utilizing wireless parameter to confirm the GSM base station simulator is characterized in that, may further comprise the steps:
Mobile communications device is provided, and said mobile communications device can insert the GSM network;
Get into the engineering mode state of said mobile communications device, said engineering mode state shows that Location Area Code, district reselecting offset parameter, the sub-district of a plurality of sub-districts receive signal strength values and cell selecting parameter;
Relatively the Location Area Code of other neighbor cell of the Location Area Code of current area and demonstration judges whether the current area Location Area Code is identical with the Location Area Code of other neighbor cell;
Set first threshold, relatively district reselecting offset parameter and said first threshold judge whether said district reselecting offset parameter is higher than first threshold;
Set second threshold value, whether the difference that more said sub-district receives signal strength values and cell selecting parameter value is lower than said second threshold value.
2. the method for utilizing wireless parameter to confirm the GSM base station simulator according to claim 1 is characterized in that, in the Location Area Code step that compares the sub-district, also comprises:
If Location Area Code and said other neighbor cell Location Area Code of said current area are all inequality, judged whether that other step do not carry out, if then continue other step; If not; Then adjudicate;
If the Location Area Code of said current area is identical with said other neighbor cell Location Area Code, then cancellation judgement;
The method of utilizing wireless parameter to confirm the GSM base station simulator according to claim 1 is characterized in that, in the step that compares the district reselecting offset parameter, also comprises:
If said district reselecting offset parameter is higher than said first threshold, judged whether that other step do not carry out, if then continue other step; If not; Then adjudicate;
If said district reselecting offset parameter is lower than said first threshold, then cancellation judgement;
The method of utilizing wireless parameter to confirm the GSM base station simulator according to claim 1 is characterized in that, in the step of the difference of more said sub-district reception signal strength values and cell selecting parameter value, also comprises:
Be lower than second threshold value if said sub-district receives the difference of signal strength values and cell selecting parameter value, judged whether that other step do not carry out, if then continue other step; If not; Then adjudicate;
If receiving the difference of signal strength values and cell selecting parameter value, said sub-district is higher than second threshold value, the cancellation judgement.
3. according to the arbitrary described method of utilizing wireless parameter to confirm the GSM base station simulator of claim 2-4, it is characterized in that said court verdict comprises confirms that wireless parameter GSM base station simulator exists and rejection wireless parameter GSM base station simulator exists.
4. require the 5 described methods of utilizing wireless parameter to confirm the GSM base station simulator according to claim, it is characterized in that, after the cancellation decision steps, restart to carry out the steps flow chart of the method for described affirmation GSM base station simulator.
5. the method for utilizing wireless parameter to confirm the GSM base station simulator according to claim 1 is characterized in that said mobile communications device is a GSM network mobile device.
6. the method for utilizing wireless parameter to confirm the GSM base station simulator according to claim 1; It is characterized in that said engineering mode state shows that the Location Area Code of a plurality of sub-districts comprises the Location Area Code of six neighbor cells of current area Location Area Code and signal level maximum.
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