CN111935631A - Network quality testing system and method for rail transit vehicle-mounted wireless system - Google Patents
Network quality testing system and method for rail transit vehicle-mounted wireless system Download PDFInfo
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- CN111935631A CN111935631A CN202010798731.0A CN202010798731A CN111935631A CN 111935631 A CN111935631 A CN 111935631A CN 202010798731 A CN202010798731 A CN 202010798731A CN 111935631 A CN111935631 A CN 111935631A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/42—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3822—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving specially adapted for use in vehicles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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Abstract
The invention provides a network quality testing system and method for a rail transit vehicle-mounted wireless system, wherein the system comprises the following components: the device comprises a sweep frequency antenna (1), a sweep frequency module (2), a positioning module (3) and a processor (4), wherein the sweep frequency antenna (1) is connected with the sweep frequency module (2), the sweep frequency module (2) is connected with the processor (4), and the positioning module (3) is connected with the processor (4); the frequency sweep antenna (1) is used for acquiring wireless signals of a rail train, and the frequency sweep module (2) is used for acquiring wireless signals of a target frequency band; the positioning module (3) is used for determining a kilometer post corresponding to the current position of the rail train; the processor (4) is loaded with test software (5), and the test software (5) is used for analyzing the network performance parameters of the wireless signals of the target frequency band and the kilometer posts corresponding to the current position of the rail train and displaying the network quality measurement result. The system of the invention is more convenient, rapid, simple and practical to operate and has the function of kilometer post.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to a system and a method for testing network quality of a rail transit vehicle-mounted wireless system.
Background
With the vigorous development of urban rail transit in China, the operation mileage is rapidly increased, the distribution of signal cables and buildings is more and more dense, and the network signal propagation environment is more and more complex, so that the problem of network coverage along the existing rail is more and more.
At present, network quality tests along the track are mainly measured by using a traditional frequency spectrograph. However, this method has the disadvantages of complex operation, time and labor consuming detection, high price, and no kilometer function.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a system and a method for testing the network quality of a rail transit vehicle-mounted wireless system.
In a first aspect, the present invention provides a network quality testing system for a rail transit vehicle-mounted wireless system, including: the device comprises a sweep frequency antenna, a sweep frequency module, a positioning module and a processor, wherein the sweep frequency antenna is connected with the sweep frequency module, the sweep frequency module is connected with the processor, and the positioning module is connected with the processor; wherein:
the sweep frequency antenna is used for acquiring a wireless signal of a rail train and transmitting the wireless signal to the sweep frequency module;
the frequency sweep module is used for acquiring a wireless signal of a target frequency band;
the positioning module is used for determining a kilometer post corresponding to the current position of the rail train;
and the processor is loaded with test software which is used for analyzing the network performance parameters of the wireless signals of the target frequency band and the kilometer post corresponding to the current position of the rail train and displaying the network quality measurement result.
Optionally, the swept frequency antenna is connected to the swept frequency module through a radio frequency interface.
Optionally, the frequency sweep module is connected to the processor through a USB interface.
Optionally, the positioning module is connected with the processor through a USB interface, and the positioning module determines a kilometer post corresponding to the current position of the rail train according to the strength of the leaky cable radiation signal along the rail and the length between leaky cable information sources.
Optionally, the processor is configured to set a target frequency band for wireless signal detection, and dynamically display a network performance parameter of a wireless signal of the target frequency band and a kilometer post corresponding to a current position of the rail train; wherein the network performance parameters of the wireless signals of the target frequency band include: reference signal received power, received signal strength, reference signal received quality, signal to noise ratio.
In a second aspect, the present invention provides a method for testing network quality of a rail transit vehicle-mounted wireless system, which is applied to the system for testing network quality of a rail transit vehicle-mounted wireless system according to any one of the first aspect, and executes the following steps:
in the running process of the rail train, acquiring a wireless signal of the rail train through the sweep frequency antenna 1;
acquiring a wireless signal of a target frequency band from the wireless signal through the sweep frequency module;
determining a kilometer post corresponding to the current position of the rail train through a positioning module;
and analyzing the network performance parameters of the wireless signals of the target frequency band and the kilometer post corresponding to the current position of the rail train through test software loaded in the processor, and displaying a network quality measurement result.
Optionally, determining, by the positioning module, a kilometer post corresponding to the current position of the rail train, including:
and determining the kilometer post corresponding to the current position of the rail train according to the leaky cable radiation signal intensity along the rail and the length between leaky cable information sources.
Optionally, analyzing the network performance parameter of the wireless signal of the target frequency band and the kilometer post corresponding to the current position of the rail train by using test software loaded in the processor, and displaying a network quality measurement result, including:
dynamically displaying the network performance parameters of the wireless signals of the target frequency band and the kilometer post corresponding to the current position of the rail train; wherein the network performance parameters of the wireless signals of the target frequency band include: reference signal received power, received signal strength, reference signal received quality, signal to noise ratio.
Compared with the prior art, the invention has the following beneficial effects:
according to the network quality testing system and method for the rail transit vehicle-mounted wireless system, provided by the invention, by means of automatic testing, compared with the traditional frequency spectrograph testing, the testing speed is higher, the efficiency is higher, the system has a kilometer standard function, and the acquired data along the rail is automatically analyzed by testing software in the testing process, so that the real-time display of the measuring result is realized.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a network quality testing system of a rail transit vehicle-mounted wireless system provided by the invention;
in the figure:
1-sweep frequency antenna;
2-frequency sweeping module;
3-a positioning module;
4-a processor;
5-test software.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
The invention provides a network quality testing system of a rail transit vehicle-mounted wireless system, which comprises: the device comprises a sweep frequency antenna 1, a sweep frequency module 2, a positioning module 3 and a processor 4, wherein the sweep frequency antenna 1 is connected with the sweep frequency module 2, the sweep frequency module 2 is connected with the processor 4, and the positioning module 3 is connected with the processor 4; wherein: the frequency sweep antenna 1 is used for acquiring a wireless signal of the rail train and transmitting the wireless signal to the frequency sweep module 2; the frequency sweep module 2 is used for acquiring a wireless signal of a target frequency band; the positioning module 3 is used for determining a kilometer post corresponding to the current position of the rail train; the processor 4 is loaded with test software 5, and the test software 5 is used for analyzing the network performance parameters of the wireless signals of the target frequency band and the kilometer posts corresponding to the current position of the rail train and displaying the network quality measurement results.
In the embodiment, the wireless signals along the subway are measured through the sweep frequency antenna, the sweep frequency module, the positioning module, the processor and the test software. Specifically, in the testing process, the system is placed on a rail train, the sweep frequency module and the positioning module continuously send measured data to the processor, and test software built in the processor is used for analyzing and processing the measured data and outputting a real-time measurement result. Compared with the traditional frequency spectrograph, the system is more convenient, quicker, simpler and more practical to operate and has the function of kilometer posts.
Optionally, the sweep antenna 1 is connected to the sweep module 2 through a radio frequency interface.
Optionally, the frequency sweep module 2 is connected to the processor 4 via a USB interface.
Optionally, the positioning module 3 is connected with the processor 4 through a USB interface, and the positioning module 3 determines a kilometer post corresponding to the current position of the rail train according to the strength of the leaky cable radiation signal along the rail and the length between leaky cable information sources.
Optionally, the processor 4 is configured to set a target frequency band for wireless signal detection, and dynamically display a network performance parameter of a wireless signal of the target frequency band and a kilometer post corresponding to the current position of the rail train; the network performance parameters of the wireless signals of the target frequency band comprise: reference signal received power, received signal strength, reference signal received quality, signal to noise ratio.
Specifically, during actual measurement, the system is placed on a running train, the processor 4 is started, and the target frequency band to be tested of the wireless signal is set through the test software 5. The sweep frequency module 2 continuously detects the wireless signal intensity of a specific frequency band along the track, and transmits the detection data to the processor 4 in real time. During the test, the positioning module 3 transmits the measured position data to the processor 4 in real time. And finally, the kilometer post measured by the positioning module 3 and the measurement data of the frequency sweeping module 2 are analyzed by the test software 5, and the network quality measurement result is displayed.
Further, the invention also provides a method for testing the network quality of the rail transit vehicle-mounted wireless system, which is applied to the system for testing the network quality of the rail transit vehicle-mounted wireless system shown in fig. 1 and executes the following steps:
step 1: during the running process of the rail train, the wireless signals of the rail train are collected through the sweep frequency antenna 1.
Step 2: and acquiring the wireless signal of the target frequency band from the wireless signal through the frequency sweeping module 2.
And step 3: and determining the kilometer post corresponding to the current position of the rail train through the positioning module 3.
And 4, step 4: and analyzing the network performance parameters of the wireless signals of the target frequency band and the kilometer post corresponding to the current position of the rail train through the test software 5 loaded in the processor 4, and displaying the network quality measurement result. Illustratively, the measurement result can be dynamically displayed through a graphical curve, wherein the abscissa displays position information, and the ordinate represents signal detection data, so that the measurement result is clear at a glance, and a tester can conveniently and rapidly evaluate the network quality.
Optionally, step 3 comprises: and determining the kilometer post corresponding to the current position of the rail train according to the leaky cable radiation signal intensity along the rail and the length between leaky cable information sources.
Optionally, step 4 comprises: dynamically displaying network performance parameters of wireless signals of a target frequency band and a kilometer post corresponding to the current position of the rail train; the network performance parameters of the wireless signals of the target frequency band comprise: reference signal received power, received signal strength, reference signal received quality, signal to noise ratio.
According to the embodiment, by means of automatic testing, compared with the traditional spectrometer testing, the testing speed is higher, the efficiency is higher, the collected data along the track is automatically analyzed through testing software in the testing process, and the measuring result is displayed in real time.
It should be noted that, the steps in the method for testing the network quality of the rail transit vehicle-mounted wireless system provided by the present invention may be implemented by using corresponding modules, devices, units, etc. in the system for testing the network quality of the rail transit vehicle-mounted wireless system, and those skilled in the art may refer to the technical scheme of the system to implement the steps of the method, that is, the embodiments in the system may be understood as preferred examples for implementing the method, and will not be described herein again.
Those skilled in the art will appreciate that, in addition to implementing the system and its various devices provided by the present invention in purely computer readable program code means, the method steps can be fully programmed to implement the same functions by implementing the system and its various devices in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system and various devices thereof provided by the present invention can be regarded as a hardware component, and the devices included in the system and various devices thereof for realizing various functions can also be regarded as structures in the hardware component; means for performing the functions may also be regarded as structures within both software modules and hardware components for performing the methods.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (8)
1. A network quality testing system of a rail transit vehicle-mounted wireless system is characterized by comprising: the device comprises a sweep frequency antenna (1), a sweep frequency module (2), a positioning module (3) and a processor (4), wherein the sweep frequency antenna (1) is connected with the sweep frequency module (2), the sweep frequency module (2) is connected with the processor (4), and the positioning module (3) is connected with the processor (4); wherein:
the sweep frequency antenna (1) is used for acquiring a wireless signal of a rail train and transmitting the wireless signal to the sweep frequency module (2);
the frequency sweeping module (2) is used for acquiring a wireless signal of a target frequency band;
the positioning module (3) is used for determining a kilometer post corresponding to the current position of the rail train;
the processor (4) is loaded with test software (5), and the test software (5) is used for analyzing the network performance parameters of the wireless signals of the target frequency range and the kilometer posts corresponding to the current position of the rail train and displaying the network quality measurement result.
2. The rail transit vehicle-mounted wireless system network quality testing system as claimed in claim 1, wherein the swept frequency antenna (1) is connected with the swept frequency module (2) through a radio frequency interface.
3. The rail transit vehicle-mounted wireless system network quality testing system according to claim 1, wherein the sweep frequency module (2) is connected with the processor (4) through a USB interface.
4. The network quality testing system of the rail transit vehicle-mounted wireless system according to claim 1, wherein the positioning module (3) is connected with the processor (4) through a USB interface, and the positioning module (3) determines a kilometer post corresponding to the current position of the rail train according to the strength of a leaky cable radiation signal along the rail and the length between leaky cable information sources.
5. The rail transit vehicle-mounted wireless system network quality testing system according to any one of claims 1-4, wherein the processor (4) is configured to set a target frequency band for wireless signal detection, and dynamically display network performance parameters of wireless signals of the target frequency band and kilometers posts corresponding to the current position of a rail train; wherein the network performance parameters of the wireless signals of the target frequency band include: reference signal received power, received signal strength, reference signal received quality, signal to noise ratio.
6. A rail transit vehicle-mounted wireless system network quality testing method is characterized in that the rail transit vehicle-mounted wireless system network quality testing system according to any one of claims 1-5 is applied, and the following steps are executed:
in the running process of the rail train, acquiring a wireless signal of the rail train through the sweep frequency antenna (1);
acquiring a wireless signal of a target frequency band from the wireless signal through the sweep frequency module (2);
determining a kilometer post corresponding to the current position of the rail train through a positioning module (3);
and analyzing the network performance parameters of the wireless signals of the target frequency range and the kilometer post corresponding to the current position of the rail train through test software (5) loaded in a processor (4), and displaying the network quality measurement result.
7. The network quality testing method of the rail transit vehicle-mounted wireless system according to claim 6, wherein the step of determining the kilometer post corresponding to the current position of the rail train through the positioning module (3) comprises the following steps:
and determining the kilometer post corresponding to the current position of the rail train according to the leaky cable radiation signal intensity along the rail and the length between leaky cable information sources.
8. The network quality testing method of the rail transit vehicle-mounted wireless system according to claim 6, wherein the network performance parameters of the wireless signals of the target frequency band and the kilometer posts corresponding to the current position of the rail train are analyzed by the testing software (5) loaded in the processor (4), and the network quality measurement results are displayed, and the method comprises the following steps:
dynamically displaying the network performance parameters of the wireless signals of the target frequency band and the kilometer post corresponding to the current position of the rail train; wherein the network performance parameters of the wireless signals of the target frequency band include: reference signal received power, received signal strength, reference signal received quality, signal to noise ratio.
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| CN202010798731.0A CN111935631A (en) | 2020-08-10 | 2020-08-10 | Network quality testing system and method for rail transit vehicle-mounted wireless system |
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| CN202010798731.0A CN111935631A (en) | 2020-08-10 | 2020-08-10 | Network quality testing system and method for rail transit vehicle-mounted wireless system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113382387A (en) * | 2021-06-16 | 2021-09-10 | 上海应用技术大学 | Network quality safety assessment method based on rail transit LTE-M system signaling |
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| CN103079221A (en) * | 2012-12-20 | 2013-05-01 | 武汉虹翼信息有限公司 | Method for conjoint analysis of mobile network condition by using sweep generator and testing mobile phone |
| CN104168585A (en) * | 2014-07-10 | 2014-11-26 | 陈捷 | GSM/TD-SCDMA/TD-LTE integrated testing instrument and testing method |
| CN108156626A (en) * | 2017-12-21 | 2018-06-12 | 重庆玖舆博泓科技有限公司 | Rail traffic quality of wireless network appraisal procedure, device and medium |
| CN108896072A (en) * | 2018-07-17 | 2018-11-27 | 上海应用技术大学 | A kind of rail traffic kilometer post auto-correction method and device |
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2020
- 2020-08-10 CN CN202010798731.0A patent/CN111935631A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079221A (en) * | 2012-12-20 | 2013-05-01 | 武汉虹翼信息有限公司 | Method for conjoint analysis of mobile network condition by using sweep generator and testing mobile phone |
| CN104168585A (en) * | 2014-07-10 | 2014-11-26 | 陈捷 | GSM/TD-SCDMA/TD-LTE integrated testing instrument and testing method |
| CN108156626A (en) * | 2017-12-21 | 2018-06-12 | 重庆玖舆博泓科技有限公司 | Rail traffic quality of wireless network appraisal procedure, device and medium |
| CN108896072A (en) * | 2018-07-17 | 2018-11-27 | 上海应用技术大学 | A kind of rail traffic kilometer post auto-correction method and device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113382387A (en) * | 2021-06-16 | 2021-09-10 | 上海应用技术大学 | Network quality safety assessment method based on rail transit LTE-M system signaling |
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Application publication date: 20201113 |