CN114553331A - Method, device, processor and computer readable storage medium for realizing system self-test for radio monitoring station - Google Patents
Method, device, processor and computer readable storage medium for realizing system self-test for radio monitoring station Download PDFInfo
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Abstract
The invention relates to a method for realizing system self-check aiming at a radio monitoring station, which comprises the following steps: inquiring transmitting stations around a monitoring station in a station database, screening station signals and recording transmitting parameters; starting a fixed frequency measurement function of the monitoring station, sequentially measuring the selected stations, and recording measurement results; storing the measurement parameters and the measurement results into a database as a self-checking benchmark; configuring a self-checking period and an alarm condition; and carrying out a self-checking process. The invention also relates to a device for realizing the self-checking of the radio monitoring station system, a processor and a computer readable storage medium thereof. By adopting the method, the device, the processor and the computer readable storage medium for realizing the system self-check aiming at the radio monitoring station, the self-check of the whole system is completed by screening, acquiring, measuring and comparing the external signal source, the instability of the non-autonomous beacon is reduced to the maximum extent, and the reliability of the result is improved. And under the condition of ensuring the utilization rate of equipment, the daily maintenance cost is reduced.
Description
Technical Field
The invention relates to the field of radio frequency spectrum, in particular to the field of radio monitoring, and specifically relates to a method, a device, a processor and a computer readable storage medium for realizing system self-check for a radio monitoring station.
Background
Radio spectrum is a limited, recyclable, natural resource, and is also a valuable strategic resource. The radio monitoring station is a technical facility which is built by a radio management department and can realize the collection, storage and analysis of radio frequency spectrum, and is a main technical support system for radio management. With the development of radio communication technology and the increasing demand of people for radio communication services, the electromagnetic environment is becoming more and more complex, the number of radio monitoring stations is increasing, and how to ensure the normal operation of a large number of stations is an urgent problem to be solved.
A typical radio monitoring station is shown in fig. 1, and mainly comprises a monitoring receiver, a direction finding receiver, a feeder line, an antenna, an industrial personal computer, a display terminal and the like. The normal operation of the system requires that all the equipment are in a normal state, so that self-checking is required during the system starting or long-time operation, and the validity and the accuracy of a monitoring result are ensured.
The self-checking of the existing system is independently completed by means of each core device, the monitoring receiver, the direction finding receiver and the industrial personal computer generally have the self-checking function, the self-checking of the devices can be completed when the power is on and started, the device state is transmitted to the display terminal through the industrial personal computer, and the alarm can be given in time when the fault occurs.
However, the self-checking method has the following problems:
1. the self-check of core devices such as a monitoring receiver and a direction-finding receiver mainly judges whether the functions of the devices are normal or not, and the measurement accuracy evaluation of the devices, such as level accuracy and the like, cannot be completed by means of the self-check function. If the above functions are to be completed, a reference signal source needs to be added inside the device, which increases the complexity and instability of the device.
2. The measurement accuracy of the system is not only determined by core equipment, but also has direct relation with peripheral equipment such as an antenna, a feeder line and the like. Because the antenna feeder system is mainly installed on the iron tower at the high point of the region, the antenna feeder system is exposed in the nature, is easily influenced by factors such as temperature and humidity change, strong wind, lightning stroke and the like, and has higher failure probability than core equipment. In addition, since most passive devices are not used, the device state cannot be self-checked and transmitted. The conventional system mainly depends on manual regular inspection and field instrument test to ensure normal work, has large workload and high cost, and cannot obtain a real-time result. Another method is to add an antenna feeder tester into the system, as shown in fig. 2, by switching the electronic switch, the parameters of the antenna feeder system are obtained in time, and whether the state is abnormal or not is judged. However, this method introduces extra insertion loss, which degrades system performance; meanwhile, extra investment is needed, and the cost is not small when the number of sites is large.
In summary, the current system self-checking method of the radio monitoring station cannot well solve the system self-checking requirement, and ensures timely and accurate feedback of the system state of the radio monitoring station, so the following solving method is provided.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method, a device, a processor and a computer readable storage medium thereof for realizing system self-check of a radio monitoring station, which have the advantages of high accuracy, high utilization rate and wide application range.
In order to achieve the above object, the method, device, processor and computer readable storage medium for implementing system self-test for radio monitoring station of the present invention are as follows:
the method for realizing the system self-check aiming at the radio monitoring station is mainly characterized by comprising the following steps:
(1) inquiring transmitting stations around a monitoring station in a station database, screening station signals and recording transmitting parameters;
(2) starting a fixed frequency measurement function of the monitoring station, sequentially measuring the selected stations, and recording measurement results;
(3) storing the measurement parameters and the measurement results into a database as a self-checking reference;
(4) configuring a self-checking period and an alarm condition;
(5) and carrying out a self-checking process.
Preferably, the step (1) specifically comprises the following steps:
(1.1) calculating and judging whether station signals can be received by the monitoring station according to the receiving parameters of the monitoring station and the transmitting parameters of the station, and screening out signals with the signal intensity higher than the bottom noise by 10dB to 70dB if the station signals can be received by the monitoring station; otherwise, continuously screening station signals;
(1.2) carrying out actual test on the screened station signals, and screening out signals of which the measured signal intensity average value is higher than the bottom noise by 20dB to 60dB and the fluctuation range is not more than +/-10 dB;
and (1.3) sequencing the station signals according to the frequency, and uniformly selecting a plurality of stations in the working frequency range of the radio monitoring system.
Preferably, the step (5) specifically comprises the following steps:
(5.1) reading the self-checking reference data stored in the database, and selecting the same measurement parameters for testing;
(5.2) comparing the test result with the corresponding stored result, judging whether all the test results exceed the alarm threshold value, if so, self-checking the abnormity, and sending an abnormity alarm to the terminal; otherwise, the self-checking is normal.
Preferably, the monitoring station receiving parameters of step (1.1) include position, frequency and system sensitivity, and the station transmitting parameters include position, frequency and power.
Preferably, the measurement frequency in step (2) is a station transmission frequency, the measurement bandwidth is a minimum bandwidth which is greater than 1.2 times of a station transmission bandwidth, and the test duration is 1 hour.
Preferably, the self-test period in step (4) is set as self-test at startup or timing self-test, and the alarm condition includes a level difference value, a bandwidth difference value, and a direction indication difference value.
The device for realizing system self-check aiming at the radio monitoring station is characterized by comprising the following steps:
a processor configured to execute computer-executable instructions;
a memory storing one or more computer-executable instructions that, when executed by the processor, perform the steps of the above-described method for performing system self-test for a radio monitoring station.
The processor for realizing the system self-check aiming at the radio monitoring station is mainly characterized in that the processor is configured to execute computer executable instructions, and when the computer executable instructions are executed by the processor, the steps of the method for realizing the system self-check aiming at the radio monitoring station are realized.
The computer readable storage medium is mainly characterized by storing a computer program thereon, wherein the computer program can be executed by a processor to realize the steps of the method for realizing the system self-check for the radio monitoring station.
By adopting the method, the device, the processor and the computer readable storage medium for realizing the system self-check aiming at the radio monitoring station, the self-check of the whole system is completed by screening, collecting, measuring and comparing the external signal source. Not only the integrity of the system function is ensured, but also the accuracy of the measuring result is ensured. Compared with the self-checking method of the original system, the method is simple and economical. A plurality of independent reference sources are selected, and an AND gate mode is adopted to judge the abnormity, so that the instability of the non-autonomous beacon is reduced to the maximum extent, and the reliability of the result is improved. At present, the number of fixed radio monitoring stations in the whole country exceeds 3000, and the fixed operation and maintenance fund is a huge fund. Through a reliable and economic self-checking mode, the running state of each station can be accurately mastered, and the daily maintenance cost is greatly reduced under the condition of ensuring the utilization rate of equipment.
Drawings
Fig. 1 is a system block diagram of a typical prior art radio monitoring station system.
Fig. 2 is a system block diagram of a radio monitoring station system after introducing an antenna feeder test in the prior art.
Fig. 3 is a schematic self-checking flow diagram of the method for implementing system self-checking for a radio monitoring station according to the present invention.
Detailed Description
In order to more clearly describe the technical contents of the present invention, the following further description is given in conjunction with specific embodiments.
Referring to fig. 3, the method for implementing system self-check for a radio monitoring station according to the present invention includes the following steps:
(1) inquiring transmitting stations around a monitoring station in a station database, screening station signals and recording transmitting parameters;
(2) starting a fixed frequency measurement function of the monitoring station, sequentially measuring the selected stations, and recording measurement results;
(3) storing the measurement parameters and the measurement results into a database as a self-checking benchmark;
(4) configuring a self-checking period and an alarm condition;
(5) and carrying out a self-checking process.
Preferably, the step (1) specifically comprises the following steps:
(1.1) calculating and judging whether station signals can be received by the monitoring station according to the receiving parameters of the monitoring station and the transmitting parameters of the station, and screening out signals with the signal intensity higher than the bottom noise by 10dB to 70dB if the station signals can be received by the monitoring station; otherwise, continuously screening station signals;
(1.2) carrying out actual test on the screened station signals, and screening out signals of which the mean value of the measured signal intensity is higher than the background noise by 20dB to 60dB and the fluctuation range is not more than +/-10 dB;
and (1.3) sequencing the station signals according to the frequency, and uniformly selecting a plurality of stations in the working frequency range of the radio monitoring system.
Preferably, the step (5) specifically comprises the following steps:
(5.1) reading the self-checking reference data stored in the database, and selecting the same measurement parameters for testing;
(5.2) comparing the test result with the corresponding stored result, judging whether all the test results exceed the alarm threshold value, if so, self-checking the abnormity, and sending an abnormity alarm to the terminal; otherwise, the self-checking is normal.
As a preferred embodiment of the present invention, the monitoring station receiving parameters of step (1.1) include position, frequency and system sensitivity, and the station transmitting parameters include position, frequency and power.
As a preferred embodiment of the present invention, the measuring frequency in step (2) is a station transmitting frequency, the measuring bandwidth is a minimum bandwidth which is greater than 1.2 times of a station transmitting bandwidth, and the test duration is 1 hour.
As a preferred embodiment of the present invention, the self-test period in step (4) is set as self-test at startup or timing self-test, and the alarm conditions include a level difference value, a bandwidth difference value, and a direction indication degree difference value.
The device for realizing system self-test for the radio monitoring station comprises the following components:
a processor configured to execute computer-executable instructions;
a memory storing one or more computer-executable instructions that, when executed by the processor, perform the steps of the above-described method for performing system self-test for a radio monitoring station.
The processor for implementing the system self-test for the radio monitoring station of the invention is configured to execute the computer executable instructions, and when the computer executable instructions are executed by the processor, the steps of the method for implementing the system self-test for the radio monitoring station are implemented.
The computer readable storage medium of the present invention has stored therein a computer program executable by a processor to perform the steps of the above-described method for performing system self-check for a radio monitoring station.
In the specific implementation mode of the invention, the radio monitoring station self-checking method based on the external signal is provided, the hardware of the system is not required to be changed, only simple software flow is required to be changed, the self-checking work of the whole system is completed through screening, measuring, storing and comparing the known signal in the station library, and the working state of the system is determined. The implementation steps are briefly described as follows:
1. and inquiring the transmitting stations around the monitoring station in the station database, finding out a plurality of suitable stations and recording the transmitting parameters of the stations. Determination method of suitable station:
(1) according to receiving parameters (position, frequency, system sensitivity and the like) of the monitoring station and transmitting parameters (position, frequency, power and the like) of the station, a propagation model simulation mode is adopted, whether the station signals can be accurately received by the monitoring station is calculated, and signals with the signal intensity higher than the background noise by 10dB to 70dB are screened out.
(2) And (4) actually testing the screened station signals by using a monitoring system, and screening out signals of which the actually measured signal intensity average value is 20dB to 60dB higher than the background noise and the fluctuation range is not more than +/-10 dB.
(3) And sequencing the station signals meeting the requirements according to the frequency, uniformly selecting 5-10 stations as much as possible in the range of the working frequency of the radio monitoring system, and optimally selecting the station signals with the signal intensity average value higher than the bottom noise by 40 dB.
2. The fixed frequency measurement function of start monitoring station measures the station of selecting one by one, and measuring frequency is station transmission frequency, and the minimum bandwidth that the measurement bandwidth is greater than station transmission bandwidth 1.2 times, and test duration is 1 hour, records the measuring result: signal average level, bandwidth, and optimal steering angle (if a direction-finding system is present).
3. And after the measurement of all the stations is finished, the measurement parameters and the measurement results are stored in a database and are used as self-checking references.
4. And configuring the self-checking function, including a self-checking period and an alarm condition.
(1) The self-checking period can be set as self-checking at starting time and timing self-checking (on time, day, week and month), and is automatically executed by a system program.
(2) The alarm condition may set a threshold value including a level difference, a bandwidth difference, and a direction indication difference.
5. Self-checking process:
(1) and when self-checking starts, reading the reference data stored in the database, and carrying out actual test by adopting the same measurement parameters.
(2) And comparing the actual measurement result with the corresponding storage result, and judging whether the actual measurement result exceeds the alarm threshold value.
(3) And (3) repeating the processes (1) and (2) to finish the test of all the selected station signals.
(4) If any 1 test result accords with the database result, judging that the self-checking is normal; if all the test results exceed the alarm threshold, judging that the self-checking is abnormal, and transmitting an abnormal alarm to the terminal.
For a specific implementation scheme of this embodiment, reference may be made to relevant descriptions in the foregoing embodiments, which are not described herein again.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps in the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by suitable instruction execution devices. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, and the corresponding program may be stored in a computer readable storage medium, and when executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a separate product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
By adopting the method, the device, the processor and the computer readable storage medium for realizing the system self-check aiming at the radio monitoring station, the self-check of the whole system is completed by screening, collecting, measuring and comparing the external signal source. Not only the integrity of the system function is ensured, but also the accuracy of the measuring result is ensured. Compared with the self-checking method of the original system, the method is simple and economical. A plurality of independent reference sources are selected, and abnormity is judged in an AND gate mode, so that instability of the non-autonomous beacon is reduced to the maximum extent, and reliability of results is improved. At present, the number of fixed radio monitoring stations in the whole country exceeds 3000, and the fixed operation and maintenance fund is a huge fund. Through a reliable and economic self-checking mode, the running state of each station can be accurately mastered, and the daily maintenance cost is greatly reduced under the condition of ensuring the utilization rate of equipment.
In this specification, the invention has been described with reference to specific embodiments thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the invention. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.
Claims (9)
1. A method for implementing system self-check for a radio monitoring station, the method comprising the steps of:
(1) inquiring transmitting stations around a monitoring station in a station database, screening station signals and recording transmitting parameters;
(2) starting a fixed frequency measurement function of the monitoring station, sequentially measuring the selected stations, and recording measurement results;
(3) storing the measurement parameters and the measurement results into a database as a self-checking benchmark;
(4) configuring a self-checking period and an alarm condition;
(5) and carrying out a self-checking process.
2. The method for implementing system self-check for a radio monitoring station as claimed in claim 1, wherein said step (1) specifically comprises the steps of:
(1.1) calculating and judging whether station signals can be received by the monitoring station according to the receiving parameters of the monitoring station and the transmitting parameters of the station, and screening out signals with the signal intensity higher than the bottom noise by 10dB to 70dB if the station signals can be received by the monitoring station; otherwise, continuously screening station signals;
(1.2) carrying out actual test on the screened station signals, and screening out signals of which the measured signal intensity average value is higher than the bottom noise by 20dB to 60dB and the fluctuation range is not more than +/-10 dB;
and (1.3) sequencing the station signals according to the frequency, and uniformly selecting a plurality of stations in the working frequency range of the radio monitoring system.
3. The method for implementing system self-check for a radio monitoring station as claimed in claim 1, wherein said step (5) specifically comprises the steps of:
(5.1) reading the self-checking reference data stored in the database, and selecting the same measurement parameters for testing;
(5.2) comparing the test result with the corresponding stored result, judging whether all the test results exceed the alarm threshold value, if so, self-checking the abnormity, and sending an abnormity alarm to the terminal; otherwise, the self-checking is normal.
4. The method of claim 2, wherein said monitoring station receiving parameters of step (1.1) include location, frequency and system sensitivity, and said station transmitting parameters include location, frequency and power.
5. The method for implementing system self-test for a radio monitoring station as claimed in claim 1, wherein the measuring frequency of step (2) is a station transmitting frequency, the measuring bandwidth is a minimum bandwidth which is greater than 1.2 times of a transmitting bandwidth of the station, and the test duration is 1 hour.
6. The method for implementing system self-test for a radio monitoring station as claimed in claim 1, wherein the self-test period of step (4) is set as self-test at startup or timing self-test, and the alarm condition includes a level difference, a bandwidth difference and a direction indication difference.
7. An apparatus for enabling system self-check for a radio monitoring station, the apparatus comprising:
a processor configured to execute computer-executable instructions;
a memory storing one or more computer-executable instructions that, when executed by the processor, perform the steps of the method of implementing system self-test for a radio monitoring station of any of claims 1 to 6.
8. A processor for implementing a system self-test for a radio monitoring station, the processor being configured to execute computer-executable instructions which, when executed by the processor, implement the steps of the method for implementing a system self-test for a radio monitoring station as claimed in any one of claims 1 to 6.
9. A computer-readable storage medium having stored thereon a computer program executable by a processor to perform the steps of the method of implementing system self-test for a radio monitoring station of any of claims 1 to 6.
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