CN101060684B - Reverse interference positioning system, wireless signal acquiring entity and device - Google Patents
Reverse interference positioning system, wireless signal acquiring entity and device Download PDFInfo
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Abstract
The disclosed reverse-interference location method comprises: according to obtained RSSI value, determining when colleting wireless signal; collecting signal, and conversing wireless signal into frequency-domain wireless signal; then, analyzing the signal to locate the interference source. This invention also discloses the relative hardware. This invention has well automation level, and improves the location accuracy.
Description
Technical field
The present invention relates to wireless communication technology, particularly carry out reverse interference navigation system, wireless signal acquiring entity and device in the wireless access system side.
Background technology
The frequency range that common wireless access system relates to is very abundant, inserts (CDMA) system as code division multiple access and relates to more than 140 son sections of 13 frequency ranges, is distributed between the 400M-2100M.Abundant frequency range has enlarged the range of application of wireless access system, but has also brought some problems simultaneously.Because the particularity of Radio Resource, the frequency distributing mode that various countries adopt has nothing in common with each other, particularly on widely used 450M frequency range, have the method for salary distribution of multiple complexity, the typical case on this frequency range uses and comprises: wireless interspeaker, Data transmission radio, artificial antenna insert or the like.Complicated frequency allocation plan causes serious interference to wireless access system, makes the application of wireless access system be subjected to fatal influence.
With the cdma system is example, and when having the reverse interference of checking in the cdma system, systematic function will descend, as:
1) user terminal inserts difficulty.Reverse interference exists makes reverse sensitivity reduce, and has dwindled reverse coverage distance, therefore makes user terminal insert difficulty.
2) preceding reverse imbalance, make user terminal displays that signal be arranged but can't realize the conversation.
3) user's terminal transmitting power is higher, and power consumption is big, and power system capacity reduces.
4) user terminal call drop in communication process.
Therefore, the detection of reverse interference and location are the major issues that industry is paid close attention to always.At present, reverse interference detects and the universal method of location is to judge the disturbed condition of current sector by received signal intensity indication (RSSI) value of wireless access system record, if the RSSI value is higher, then exists in the illustrative system than serious disturbance; Otherwise disturb normal.
When determining to have serious the interference in the system by the RSSI value of wireless access system record, need to use special disturbance detection equipment, as frequency spectrograph, wireless environment to system's periphery carries out wireless signal acquiring, the wireless signal that collection is obtained carries out the analyzing and positioning interference source again, and there is the defective of two aspects in the method for the detection and location reverse interference of this artificial participation:
A, when wireless environment is complicated, may need the long period to carry out wireless signal acquiring incessantly, and manually finish relatively difficulty of this task, particularly in the relatively poor area of climatic environment, as high-altitude station or desert region.
B, when manually using disturbance detection equipment to carry out wireless signal acquiring,, then can cause the monitoring result error, increase the positioning problems difficulty, particularly on the hills or the area, mountain area if the locus of frequency spectrograph and system antenna is inconsistent.
As seen from the above description, the reverse interference of prior art detects and localization method, not only realize difficulty being subjected to having a strong impact on of environment and human factor, and reverse interference detection and location accuracy is difficult to ensure.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of reverse interference navigation system, wireless signal acquiring entity and device, can carry out wireless signal acquiring automatically, is not subjected to environment and artificial factor.
The reverse interference navigation system that the embodiment of the invention provides comprises: wireless signal acquiring entity and interference source position determining entity,
Described wireless signal acquiring entity, be used to obtain the RSSI value of current sector, when judging described RSSI value greater than predefined signals collecting enabling gate limit value, carry out wireless signal acquiring, and the time domain wireless signal of gathering is converted to the frequency domain wireless signal, the frequency domain wireless signal that obtains is sent to described interference source position determining entity;
Described interference source position determining entity is used to receive the frequency domain wireless signal from described wireless signal acquiring entity, the frequency domain wireless signal that receives is analyzed the character in location interference source and classification.
The wireless signal acquiring entity that the embodiment of the invention provides comprises: send and receive veneer and control clock veneer.
Described transmission receives veneer, is used to obtain the RSSI value of current sector, sends the RSSI value to described control clock veneer; Reception is carried out wireless signal acquiring from the signals collecting instruction of described control clock veneer, the time domain wireless signal of gathering is converted to the frequency domain wireless signal, and the frequency domain wireless signal that obtains is sent to described control clock veneer;
Described control clock veneer is used to receive the RSSI value that receives veneer from described transmission, when judging described RSSI value greater than predefined signals collecting enabling gate limit value, receives veneer transmission signals collecting to described transmission and instructs; Reception receives the frequency domain wireless signal of veneer from described transmission, and the frequency domain wireless signal that receives is sent to the interference source position determining entity.
The wireless signal acquiring device that the embodiment of the invention provided comprises: send and receive veneer and control clock veneer.
Wherein, sending the reception veneer comprises: RSSI value acquiring unit and signal gathering unit.
Described RSSI value acquiring unit, be used to obtain the RSSI value of current sector, and the RSSI value of obtaining sent to control clock veneer,, when judging described RSSI value, receive veneer to described transmission and send the signals collecting instruction for described control clock veneer greater than predefined signals collecting enabling gate limit value;
Described signal gathering unit, be used to receive signals collecting instruction from described control clock veneer, carry out wireless signal acquiring, the time domain wireless signal of gathering is converted to the frequency domain wireless signal, and the frequency domain wireless signal that obtains sent to described control clock veneer, for described control clock veneer the frequency domain wireless signal that receives is sent to the interference source position determining entity.
Described control clock veneer comprises: RSSI value receiving element and signals collecting control unit.
RSSI value receiving element is used to receive the RSSI value that receives veneer from sending, and the RSSI value that receives is sent to described signals collecting control unit;
The signals collecting control unit, be used to receive RSSI value from described RSSI value receiving element, when judging out described RSSI value greater than predefined signals collecting enabling gate limit value, receive veneer to described transmission and send the signals collecting instruction, receiving veneer for described transmission instructs according to described signals collecting, carry out wireless signal acquiring, the time domain wireless signal of gathering is converted to the frequency domain wireless signal; Reception receives the frequency domain wireless signal of veneer from described transmission, and the frequency domain wireless signal that receives is sent to the interference source position determining entity.
By above technical scheme as seen, in embodiments of the present invention, when the reverse interference navigation system determines that according to the RSSI value that receives there is serious reverse interference in current sector, automatically carry out wireless signal acquiring, and the time-domain signal of gathering is converted to the frequency domain wireless signal, again the frequency domain wireless signal is carried out the character and the classification in analyzing and positioning reverse interference source, thereby realized the wireless signal acquiring automation in the reverse interference position fixing process, make the collection of wireless signal not be subjected to environment and artificial factor, and, realized location to interference source character and classification by time-domain signal being converted to the frequency domain wireless signal.
Description of drawings
Fig. 1 is the flow chart of embodiment of the invention reverse interference positioning method;
Fig. 2 is the structure chart of the reverse interference navigation system of the embodiment of the invention;
Fig. 3 utilizes system shown in Figure 2 to realize the flow chart of the preferred embodiment of reverse interference location.
Embodiment
For making purpose of the present invention, technical scheme and beneficial effect clearer,, the present invention is done detailed description further below in conjunction with embodiment and accompanying drawing.
In the embodiment of the invention,, when determining to carry out wireless signal acquiring, carry out wireless signal acquiring automatically, and the time domain wireless signal that collects is converted to the frequency domain wireless signal according to the RSSI value of obtaining; By the frequency domain wireless signal that obtains being analyzed the character in location interference source and classification.
Fig. 1 is the flow chart of embodiment of the invention reverse interference positioning method, and this flow process comprises the steps:
In this step, according to the RSSI value of obtaining determine whether needs carry out wireless signal acquiring method can for:
If the RSSI value of obtaining greater than predefined signals collecting enabling gate limit value, is then determined to carry out signals collecting; Otherwise do not carry out signals collecting.Predefined signals collecting threshold value represents to determine that there is the minimum value of the RSSI value when seriously disturbing in current sector.
In this step, can adopt fast Fourier transform (FFT) that the time domain wireless signal that collects is converted to the frequency domain wireless signal, also can adopt other time domain wireless signal to be converted to the method for frequency domain wireless signal.
If this method further comprises: preestablish the step that signals collecting stops threshold value, then before the step 103, further comprise: judge whether the RSSI value obtain stops threshold value less than predefined signals collecting, if judged result is for being then to stop wireless signal acquiring; Otherwise, return and carry out described step 102.
If this method further comprises: preestablish signals collecting and stop step constantly, then before the step 103, further comprise: judge whether the time carry out wireless signal acquiring arrive predefined signals collecting and stop constantly, if judged result is for being then to stop wireless signal acquiring; Otherwise, return and carry out described step 102.
Fig. 2 is the structure chart of the reverse interference navigation system of the embodiment of the invention.This system comprises: wireless signal acquiring entity and interference source position determining entity.
Wherein, wireless signal acquiring entity is used to obtain the RSSI value of current sector, when determining to carry out wireless signal acquiring, carries out wireless signal acquiring, and the time domain wireless signal of gathering is converted to the frequency domain wireless signal, the frequency domain wireless signal that obtains is sent to described interference source position determining entity;
The interference source position determining entity is used to receive the frequency domain wireless signal from described wireless signal acquiring entity, the frequency domain wireless signal that receives is analyzed the character in location interference source and classification.
Described wireless signal acquiring entity further can be used to preserve the described frequency domain wireless signal that obtains, and when definite stop signal is gathered, the frequency domain wireless signal of preserving is sent to described interference source position determining entity.
Described wireless signal acquiring entity can be arranged in the base station; Described interference source position determining entity can be for having the server that utilizes frequency domain wireless signal location interference source function.
As shown in Figure 2, the wireless signal acquiring entity among this embodiment comprises: send and receive veneer and control clock veneer.
Send and receive veneer, be used to obtain the RSSI value of current sector, send the RSSI value to described control clock veneer; Reception is carried out wireless signal acquiring from the signals collecting instruction of described control clock veneer, the wireless signal of gathering is converted to the frequency domain wireless signal, and the frequency domain wireless signal that obtains is sent to described control clock veneer.
Control clock veneer is used to receive the RSSI value that receives veneer from described transmission, when determining to carry out wireless signal acquiring, receives veneer to described transmission and sends the signals collecting instruction; Reception receives the frequency domain wireless signal of veneer from described transmission, and the frequency domain wireless signal that receives is sent to described interference source position determining entity.
Described control clock veneer, further can be used for comparison and stop threshold value from RSSI value and the predefined signals collecting that described transmission receives veneer, judge whether the stop signal collection, when being, receiving veneer to described transmission and send the instruction that stop signal is gathered in judged result;
Perhaps be further used for judging whether to arrive predefined signals collecting and stop constantly, when being, receive the instruction that veneer sends the stop signal collection to described transmission in judged result.
Described transmission receives veneer and can be further used for, and receives the instruction of gathering from the stop signal of described control clock veneer, stops wireless signal acquiring.
Described control clock veneer can also be further used for preserving the frequency domain wireless signal that receives veneer from described transmission, when definite stop signal is gathered, the frequency domain wireless signal of preserving is sent to described interference source position determining entity.
As shown in Figure 2, sending the reception veneer comprises: RSSI value acquiring unit and signal gathering unit.
RSSI value acquiring unit is used to obtain the RSSI value of current sector, and the RSSI value of obtaining is sent to control clock veneer.
Signal gathering unit is used to receive the signals collecting instruction from described control clock veneer, carries out wireless signal acquiring, the time domain wireless signal of gathering is converted to the frequency domain wireless signal, and the frequency domain wireless signal that obtains is sent to described control clock veneer.
Described signal gathering unit further can be used to receive the instruction of gathering from the stop signal of described control clock veneer, stops wireless signal acquiring.
Control clock veneer comprises: RSSI value receiving element and signals collecting control unit.
RSSI value receiving element is used for receiving the RSSI value that receives the RSSI value acquiring unit of veneer from described transmission, and the RSSI value that receives is sent to described signals collecting control unit;
The signals collecting control unit is used to receive the RSSI value from described RSSI value receiving element, and when judgement need be carried out wireless signal acquiring, the signal gathering unit that receives in the veneer to described transmission sent the signals collecting instruction; Reception is from the frequency domain wireless signal of described signal gathering unit, and the frequency domain wireless signal that receives is sent to described interference source position determining entity.
Described signals collecting control unit, further can be used for comparison and stop threshold value from the RSSI value and the predefined signals collecting of described RSSI value acquiring unit, when judgement can stop signal be gathered, the signal gathering unit that receives veneer to described transmission sent the instruction that stop signal is gathered; Perhaps
Be further used for when judging that arriving predefined signals collecting stops constantly, the signal gathering unit that receives veneer to described transmission sends the instruction that stop signal is gathered.
Described control clock veneer can further include: frequency domain wireless signal memory cell is used to preserve the frequency domain wireless signal from described signals collecting control unit.
Described signals collecting control unit is further used for when definite stop signal is gathered the frequency domain wireless signal of preserving in the described frequency domain wireless signal memory cell being sent to described interference source position determining entity.
Fig. 3 utilizes system shown in Figure 2 to realize the flow chart of the preferred embodiment of reverse interference location, and this flow process comprises the steps:
In this step, send the reception veneer and can obtain each RSSI value constantly of current sector, and each the RSSI value constantly that will obtain sends to control clock veneer; Also can obtain the RSSI value of current sector, and the RSSI value of obtaining is sent to control clock veneer according to the default time interval.
Control clock veneer can promptly instruct transmission to receive veneer after powering on carry out wireless signal acquiring, also can exist when seriously disturbing in the current sector of RSSI value judgement that receives the veneer transmission according to transmission, instructs transmission to receive veneer and carries out wireless signal acquiring.
Whether step 303, control clock veneer judge the current RSSI value that receives greater than the signals collecting enabling gate limit value of presetting, if court verdict is for being that then execution in step 304; Otherwise process ends.
Step 305, after transmission reception veneer receives the instruction of carrying out wireless signal acquiring of control clock veneer, inband signaling to reverse frequency is gathered, the time domain wireless signal process FFT conversion that collects is converted to the frequency domain wireless signal, and the frequency domain wireless signal that is converted to sent to control clock veneer, control clock veneer is preserved the frequency domain wireless signal that receives.
In CDMA2000, control clock veneer sends to the interference source position determining entity by the Abis link with the frequency domain wireless signal of preserving.
In the embodiment of the invention, described wireless signal acquiring entity can be arranged in the base station; Described interference source position determining entity can be for having the server that utilizes frequency domain wireless signal location interference source function.The reverse interference positioning method that the embodiment of the invention provides, system, wireless signal acquiring entity and device are applicable to institute's wire/wireless communication system, as cdma system, CDMA2000 system, WCDMA access system (WCDMA), global system for mobile communications (GSM) and time-division-synchronous CDMA access system (TD-SCDMA) etc.
In a word, the above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a reverse interference navigation system is characterized in that, this system comprises: wireless signal acquiring entity and interference source position determining entity,
Described wireless signal acquiring entity, be used to obtain the RSSI value of current sector, when judging described RSSI value greater than predefined signals collecting enabling gate limit value, carry out wireless signal acquiring, and the time domain wireless signal of gathering is converted to the frequency domain wireless signal, the frequency domain wireless signal that obtains is sent to described interference source position determining entity;
Described interference source position determining entity is used to receive the frequency domain wireless signal from described wireless signal acquiring entity, the frequency domain wireless signal that receives is analyzed the character in location interference source and classification;
Wherein, described wireless signal acquiring entity comprises: send and receive veneer and control clock veneer,
Described transmission receives veneer, is used to obtain the RSSI value of current sector, sends the RSSI value to described control clock veneer; Reception is carried out wireless signal acquiring from the signals collecting instruction of described control clock veneer, the time domain wireless signal of gathering is converted to the frequency domain wireless signal, and the frequency domain wireless signal that obtains is sent to described control clock veneer;
Described control clock veneer is used to receive the RSSI value that receives veneer from described transmission, when judging described RSSI value greater than predefined signals collecting enabling gate limit value, receives veneer transmission signals collecting to described transmission and instructs; Reception receives the frequency domain wireless signal of veneer from described transmission, and the frequency domain wireless signal that receives is sent to the interference source position determining entity.
2. the system as claimed in claim 1, it is characterized in that, described control clock veneer in the described wireless signal acquiring entity, be further used for preserving the described frequency domain wireless signal that obtains, when definite stop signal is gathered, the frequency domain wireless signal of preserving is sent to described interference source position determining entity.
3. system as claimed in claim 1 or 2 is characterized in that described wireless signal acquiring entity is arranged in the base station; Described interference source position determining entity is to have the server that utilizes frequency domain wireless signal location interference source function.
4. a wireless signal acquiring entity is characterized in that, this wireless signal acquiring entity comprises: send and receive veneer and control clock veneer,
Described transmission receives veneer, is used to obtain the RSSI value of current sector, sends the RSSI value to described control clock veneer; Reception is carried out wireless signal acquiring from the signals collecting instruction of described control clock veneer, the time domain wireless signal of gathering is converted to the frequency domain wireless signal, and the frequency domain wireless signal that obtains is sent to described control clock veneer;
Described control clock veneer is used to receive the RSSI value that receives veneer from described transmission, when judging described RSSI value greater than predefined signals collecting enabling gate limit value, receives veneer transmission signals collecting to described transmission and instructs; Reception receives the frequency domain wireless signal of veneer from described transmission, and the frequency domain wireless signal that receives is sent to the interference source position determining entity.
5. wireless signal acquiring entity as claimed in claim 4, it is characterized in that, described control clock veneer, be further used for comparison and stop threshold value from RSSI value and the predefined signals collecting that described transmission receives veneer, judge whether the stop signal collection,, receive veneer to described transmission and send the instruction that stop signal is gathered when being in judged result;
Described transmission receives veneer and is further used for, and receives the instruction of gathering from the stop signal of described control clock veneer, stops wireless signal acquiring.
6. wireless signal acquiring entity as claimed in claim 4, it is characterized in that described control clock veneer is further used for judging whether to arrive predefined signals collecting and stops constantly,, receive veneer to described transmission and send the instruction that stop signal is gathered when being in judged result;
Described transmission receives veneer and is further used for, and receives the instruction of gathering from the stop signal of described control clock veneer, stops wireless signal acquiring.
7. as claim 5 or 6 described wireless signal acquiring entities, it is characterized in that, described control clock veneer, be further used for preserving the frequency domain wireless signal that receives veneer from described transmission, when definite stop signal is gathered, the frequency domain wireless signal of preserving is sent to described interference source position determining entity.
8. one kind sends the reception veneer, it is characterized in that, this transmission receives veneer and comprises: RSSI value acquiring unit and signal gathering unit,
Described RSSI value acquiring unit, be used to obtain the RSSI value of current sector, and the RSSI value of obtaining sent to control clock veneer,, when judging described RSSI value, receive veneer to described transmission and send the signals collecting instruction for described control clock veneer greater than predefined signals collecting enabling gate limit value;
Described signal gathering unit, be used to receive signals collecting instruction from described control clock veneer, carry out wireless signal acquiring, the time domain wireless signal of gathering is converted to the frequency domain wireless signal, and the frequency domain wireless signal that obtains sent to described control clock veneer, for described control clock veneer the frequency domain wireless signal that receives is sent to the interference source position determining entity.
9. transmission as claimed in claim 8 receives veneer, it is characterized in that, described signal gathering unit is further used for receiving the instruction of gathering from the stop signal of described control clock veneer, stops wireless signal acquiring.
10. control the clock veneer for one kind, it is characterized in that this control clock veneer comprises: RSSI value receiving element and signals collecting control unit,
Described RSSI value receiving element is used to receive the RSSI value that receives veneer from sending, and the RSSI value that receives is sent to described signals collecting control unit;
Described signals collecting control unit, be used to receive RSSI value from described RSSI value receiving element, when judging described RSSI value greater than predefined signals collecting enabling gate limit value, receive veneer to described transmission and send the signals collecting instruction, receive veneer for described transmission and instruct, carry out wireless signal acquiring and the time domain wireless signal of gathering is converted to the frequency domain wireless signal according to described signals collecting; Reception receives the frequency domain wireless signal of veneer from described transmission, and the frequency domain wireless signal that receives is sent to the interference source position determining entity.
11. control clock veneer as claimed in claim 10, it is characterized in that, described signals collecting control unit, be further used for comparison and stop threshold value from RSSI value and the predefined signals collecting that described transmission receives veneer, judge whether the stop signal collection,, receive veneer to described transmission and send the instruction that stop signal is gathered when being in judged result.
12. control clock veneer as claimed in claim 10, it is characterized in that described signals collecting control unit is further used for judging whether to arrive predefined signals collecting and stops constantly,, receive veneer to described transmission and send the instruction that stop signal is gathered when being in judged result.
13. as claim 11 or 12 described control clock veneers, it is characterized in that described control clock veneer further comprises: frequency domain wireless signal memory cell is used to preserve the frequency domain wireless signal from described signals collecting control unit;
Described signals collecting control unit is further used for when definite stop signal is gathered the frequency domain wireless signal of preserving in the described frequency domain wireless signal memory cell being sent to described interference source position determining entity.
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| CN106531037A (en) * | 2016-12-28 | 2017-03-22 | 天津恒达文博科技有限公司 | Multi-mode combined location and navigation method and navigation pen |
| CN108966245A (en) * | 2017-05-22 | 2018-12-07 | 上海共联通信信息发展有限公司 | A kind of communication base station signal interference detection system |
| CN109246738A (en) * | 2017-05-27 | 2019-01-18 | 上海共联通信信息发展有限公司 | A kind of communication base station interference data collecting vehicle |
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Effective date of registration: 20211227 Address after: 450046 Floor 9, building 1, Zhengshang Boya Plaza, Longzihu wisdom Island, Zhengdong New Area, Zhengzhou City, Henan Province Patentee after: xFusion Digital Technologies Co., Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |