Method and system for checking vehicle networking signal road coverage quality

Abstract

The invention provides a method and system for checking vehicle networking signal road coverage quality, and the method comprises the steps: determining a target road where vehicle networking signals need to be checked, and sequentially obtaining signal information transmitted and received by vehicle networking stations on the target road; identifying an Internet of Vehicles station number and a corresponding signal strength in the received signal information, and comparing the Internet of Vehicles station number and the corresponding signal strength with a preset configuration condition of the Internet of Vehicles station on the road to determine whether a certain Internet of Vehicles station has a fault, and obtaining a fault condition of the corresponding Internet of Vehicles station; and determining the coverage quality of the vehicle networking signal on the road according to the fault condition of all the vehicle networking stations on the road. According to the dense condition of the Internet of Vehicles stations and the characteristic that the stations are distributed along the road, automatic detection of signal coverage and signal quality between the stations is realized.

Description

Technical Field

[0001] The present invention relates to the technical field of checking the road coverage quality of vehicle networking signals, and in particular to a method and system for checking the road coverage quality of vehicle networking signals. Background Art

[0002] The increasing application of the Internet of Vehicles has also brought about a new requirement, that is, road coverage and its coverage quality. The Internet of Vehicles is a high-frequency direct communication method, so the communication distance is generally around 500 meters, and the coverage depends on the density of site deployment. Therefore, the number is extremely large, which causes great costs for later maintenance. In particular, vehicles will travel along the road, which requires the construction of Internet of Vehicles sites to ensure that the signal coverage on the road must be seamless, or that a certain signal strength is met at any location.

[0003] Traditional network quality inspection usually uses a frequency sweeper, that is, a third-party device is developed to receive the signal quality of the corresponding frequency band at a point, and then continuously scans, stores, and reorganizes the data. Finally, the actual signal distribution map on the continuous road between sites is drawn to determine the signal strength change on the entire road. This method can scan points very accurately and indeed solves many problems that cannot be identified with the naked eye. However, the traditional frequency sweeping method first requires a third-party instrument, a DC power supply, and even a movable car to ensure the normal operation of the instrument; second, it requires actual on-site walking test, that is, the length of the road requires a field test at each point; third, if a point fails due to system or human reasons, the road end needs to be retested. In summary, both the cost and efficiency are very low. Summary of the invention

[0004] The purpose of the present invention is to propose a method and system for checking the road coverage quality of vehicle network signals, so as to solve the technical problem of how to realize automatic detection of signal coverage and signal quality between sites by taking advantage of the density of vehicle network sites and the distribution characteristics of sites along roads.

[0005] On the one hand, a method for checking the road coverage quality of a vehicle network signal is provided, comprising:

[0006] Determine the target road where the IoV signal needs to be checked, and sequentially obtain the signal information sent and received by the IoV stations on the target road;

[0007] Identify the vehicle networking site number and the corresponding signal strength in the received signal information, and compare the vehicle networking site number and the corresponding signal strength with the preset configuration of the vehicle networking site on the road to determine whether a certain vehicle networking site is faulty, and obtain the corresponding vehicle networking site fault status;

[0008] Based on the failure conditions of all the Internet of Vehicles sites on the road, the coverage quality of the Internet of Vehicles signal on the road is determined.

[0009] Preferably, the preset configuration of the Internet of Vehicles site on the road specifically includes:

[0010] Number the connected vehicle stations on the same road in sequence;

[0011] Two adjacent Internet of Vehicles stations are set to send and receive signals to each other, and the Internet of Vehicles stations on the road are set to transmit or receive signals in sequence according to the corresponding numbers;

[0012] The difference in signal strength between two adjacent Internet of Vehicles stations sent and received is set to be within a preset signal error range.

[0013] Preferably, comparing the vehicle networking site number, the corresponding signal strength and the preset configuration of the vehicle networking site on the road to determine whether a certain vehicle networking site is faulty specifically includes:

[0014] Sort the IoV stations on the target road in the same direction;

[0015] If the numbers of two adjacent connected vehicle network sites in the sorted connected vehicle network sites are not continuous, it is determined that there is a fault interval between the two connected vehicle network sites.

[0016] Preferably, it also includes:

[0017] When the numbers of two adjacent Internet of Vehicles sites in the sorted Internet of Vehicles sites are continuous, determining whether a difference in signal strength between the two adjacent Internet of Vehicles sites exceeds a preset signal error range;

[0018] If the signal error exceeds the preset range, it is determined that there is a fault interval between the two vehicle networking sites;

[0019] If the signal error does not exceed the preset range, it is determined that the two vehicle networking sites are normal.

[0020] Preferably, it also includes:

[0021] When the Internet of Vehicles stations on the target road transmit or receive signals continuously in sequence according to the corresponding numbers, if a certain Internet of Vehicles station does not receive the signal sent by the Internet of Vehicles station with the previous number or receives an erroneous signal, it is determined that there is a fault section at that location.

[0022] On the other hand, a system for checking the road coverage quality of vehicle networking signals is also provided, which is used to implement the method for checking the road coverage quality of vehicle networking signals, including:

[0023] The management end is used to determine the target road where the IoV signal needs to be checked, and sequentially obtain the signal information sent and received by the IoV stations on the target road;

[0024] It is also used to identify the vehicle networking site number and the corresponding signal strength in the received signal information, and compare the vehicle networking site number and the corresponding signal strength with the preset configuration of the vehicle networking site on the road to determine whether a certain vehicle networking site is faulty, and obtain the corresponding vehicle networking site fault status;

[0025] And used to determine the coverage quality of the Internet of Vehicles signal on the road based on the failure conditions of all Internet of Vehicles sites on the road;

[0026] The Internet of Vehicles terminal is used to set up multiple consecutive Internet of Vehicles stations on the same road.

[0027] Preferably, the management terminal is further used to sequentially number the Internet of Vehicles sites on the same road;

[0028] Two adjacent Internet of Vehicles stations are set to send and receive signals to each other, and the Internet of Vehicles stations on the road are set to transmit or receive signals in sequence according to the corresponding numbers;

[0029] The difference in signal strength between two adjacent Internet of Vehicles stations sent and received is set to be within a preset signal error range.

[0030] Preferably, the management end is further used to sort the Internet of Vehicles sites on the target road in the same direction;

[0031] If the numbers of two adjacent connected vehicle network sites in the sorted connected vehicle network sites are not continuous, it is determined that there is a fault interval between the two connected vehicle network sites.

[0032] Preferably, the management end is further used to determine whether the difference in signal strength between the two adjacent Internet of Vehicles sites exceeds a preset signal error range when the numbers of the two adjacent Internet of Vehicles sites in the sorted Internet of Vehicles sites are consecutive;

[0033] If the signal error exceeds the preset range, it is determined that there is a fault interval between the two vehicle networking sites;

[0034] If the signal error does not exceed the preset range, it is determined that the two vehicle networking sites are normal.

[0035] Preferably, the management end is also used to determine that there is a fault section at a certain Internet of Vehicles site when the Internet of Vehicles sites on the target road transmit or receive signals in sequence and continuously according to the corresponding numbers, if a certain Internet of Vehicles site does not receive a signal sent by the Internet of Vehicles site with the previous number or receives an erroneous signal.

[0036] In summary, the implementation of the embodiments of the present invention has the following beneficial effects:

[0037] The method and system for checking the road coverage quality of the Internet of Vehicles signal provided by the present invention utilizes the ability of a site to send and receive signals at the same time, and sends and receives signals with adjacent sites to determine the signal quality; the Internet of Vehicles sites are laid along the road and are relatively close to each other, and the road coverage is determined by detecting the signal quality between sites; the site numbering is used so that the site can receive or send in a set order, and the two-way characteristics of the signal can be used to further verify the coverage of the signal between adjacent sites, and avoid misjudgment caused by the influence of the third site. The inspection time is fast, no inspection equipment is required, and the cost of the inspection equipment can be completely saved; there is no need for personnel to go to the site for operation, only monitoring personnel need to operate in the background, and even more, it can be set to automatic detection and timed execution. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, without paying creative labor, other drawings obtained based on these drawings still belong to the scope of the present invention.

[0039] Figure 1 The present invention is a schematic diagram of the main process of a method for checking the road coverage quality of vehicle networking signals in an embodiment of the present invention.

[0040] Figure 2 The present invention is a logic diagram of a method for checking the road coverage quality of vehicle networking signals in an embodiment of the present invention.

[0041] Figure 3 Schematic diagram of a system for checking the road coverage quality of vehicle networking signals in an embodiment of the present invention. DETAILED DESCRIPTION

[0042] In order to make the objectives, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings.

[0043] like Figure 1 and Figure 2 FIG. 1 is a schematic diagram of an embodiment of a method for checking the road coverage quality of a vehicle network signal provided by the present invention. In this embodiment, the method includes the following steps:

[0044] Step S1, determine the target road where the IoV signal needs to be checked, and obtain the signal information sent and received by the IoV station on the target road in turn; it is understandable that no less than 2 IoV stations are required and the distance between the stations is not greater than the effective communication distance between the station RSU and the vehicle OBU. At the same time, the IoV station has the ability to send the first signal, and uses the station's ability to receive and send signals to identify the strength of the adjacent station signal, so as to determine whether the signal covered on the road between the adjacent stations meets the quality requirements.

[0045] In a specific embodiment, it is necessary to pre-set the vehicle networking sites on the road before the inspection, wherein the vehicle networking sites on the same road are sequentially numbered; two adjacent vehicle networking sites are set to mutually transmit and receive signals, and the vehicle networking sites on the road are sequentially transmitted or received according to the corresponding numbering settings; the difference in signal strength between two adjacent vehicle networking sites is set to be within a preset signal error range. It can be understood that in order to facilitate orderly transmission and reception and signal judgment between multiple sites, the preferred method is to number each site so that the numbering difference is approximately equivalent to the segmentation of the road, so that receiving a valid signal with a certain number is equivalent to the effective signal coverage quality of the road section. A section of road A is numbered according to the order of construction of sites, and the site is sequentially distributed along the road. The site has the ability to receive and transmit signals, so that two adjacent sites can mutually transmit and receive signals. When the other party receives the signal, the accuracy and signal quality are judged. According to the principle that the signal is from strong to weak along the site, the coverage and strength of the vehicle networking signal in the adjacent site interval are judged, and the signal quality at a specific point can be effectively identified to achieve automatic detection. Among them, the timing of sending and receiving signals is managed. The signal of the Internet of Vehicles is high frequency, and the transmission distance will not be too far. Generally, the sites are divided into odd and even numbers. It can be set that when the odd site transmits, the even site receives. After the reception is completed, the even site transmits and the odd site receives.

[0046] Step S2, identifying the vehicle networking site number and the corresponding signal strength in the received signal information, and comparing the vehicle networking site number and the corresponding signal strength with the preset configuration of the vehicle networking site on the road to determine whether a certain vehicle networking site is faulty, and obtain the corresponding vehicle networking site fault status; it can be understood that the received signal is judged, unless it is the first or last numbered site, under normal circumstances, the signals of two adjacent sites should be received, and identification can be made based on the number and signal strength.

[0047] In a specific embodiment, in the first fault situation, the IoV stations of the target road are sorted in the same direction; if the numbers of two adjacent IoV stations are not continuous among the sorted IoV stations, it is determined that there is a fault section between the two IoV stations. It is understandable that, based on the above-mentioned pre-set numbers, if the identified numbers are not adjacent, the wrong section is the fault section.

[0048] Specifically, for the second fault condition, when the numbers of two adjacent vehicle networking sites in the sorted vehicle networking sites are continuous, it is determined whether the difference in signal strength between the two adjacent vehicle networking sites exceeds the preset signal error range; if it exceeds the preset signal error range, it is determined that there is a fault interval between the two vehicle networking sites; if it does not exceed the preset signal error range, it is determined that the two vehicle networking sites are normal. It can be understood that if the signal quality in one direction or both directions is poor (does not meet a certain signal strength), there is a fault in this interval.

[0049] More specifically, in the third fault situation, when the IoV stations on the target road transmit or receive signals in sequence according to the corresponding numbers, if a certain IoV station does not receive the signal sent by the IoV station with the previous number or receives an erroneous signal, it is determined that there is a fault section at that location. It is understandable that during the process of sending and receiving signals by the station, if no signal from an adjacent station is received or the signal received is not a preset signal from an adjacent station, it means that there is a fault in the section.

[0050] Step S3, according to the fault conditions of all the IoV sites on the road, determine the coverage quality of the IoV signal on the road. It is understandable that after judging the fault conditions of each IoV site through the above steps, the signal coverage quality of the entire road can be generated, and the faults can be mapped according to the site intervals on the background management end to display the detection results.

[0051] like Figure 3 As shown, in an embodiment of the present invention, a system for checking the road coverage quality of a vehicle networking signal is also provided, and the method for checking the road coverage quality of a vehicle networking signal includes:

[0052] The management end is used to determine the target road where the IoV signal needs to be checked, and sequentially obtain the signal information sent and received by the IoV stations on the target road;

[0053] It is also used to identify the vehicle networking site number and the corresponding signal strength in the received signal information, and compare the vehicle networking site number and the corresponding signal strength with the preset configuration of the vehicle networking site on the road to determine whether a certain vehicle networking site is faulty, and obtain the corresponding vehicle networking site fault status;

[0054] And used to determine the coverage quality of the Internet of Vehicles signal on the road based on the failure conditions of all Internet of Vehicles sites on the road;

[0055] The Internet of Vehicles terminal is used to set up multiple consecutive Internet of Vehicles stations on the same road.

[0056] In a specific embodiment, the management terminal is further used to sequentially number the Internet of Vehicles sites on the same road;

[0057] Two adjacent Internet of Vehicles stations are set to send and receive signals to each other, and the Internet of Vehicles stations on the road are set to transmit or receive signals in sequence according to the corresponding numbers;

[0058] The difference in signal strength between two adjacent Internet of Vehicles stations sent and received is set to be within a preset signal error range.

[0059] Specifically, the management end is further used to sort the Internet of Vehicles stations on the target road in the same direction;

[0060] If the numbers of two adjacent connected vehicle network sites in the sorted connected vehicle network sites are not continuous, it is determined that there is a fault interval between the two connected vehicle network sites.

[0061] The management end is further used to determine whether the difference in signal strength between the two adjacent vehicle networking sites exceeds a preset signal error range when the numbers of the two adjacent vehicle networking sites in the sorted vehicle networking sites are continuous;

[0062] If the signal error exceeds the preset range, it is determined that there is a fault interval between the two vehicle networking sites;

[0063] If the signal error does not exceed the preset range, it is determined that the two vehicle networking sites are normal.

[0064] More specifically, the management end is also used to determine that there is a fault section at a certain Internet of Vehicles site when the Internet of Vehicles sites on the target road transmit or receive signals in sequence and continuously according to the corresponding numbers, if a certain Internet of Vehicles site does not receive the signal sent by the Internet of Vehicles site with the previous number or receives an erroneous signal.

[0065] It should be noted that the system described in the above embodiment corresponds to the method described in the above embodiment. Therefore, the parts of the system described in the above embodiment that are not described in detail can be obtained by referring to the contents of the method described in the above embodiment, and will not be repeated here.

[0066] In summary, the implementation of the embodiments of the present invention has the following beneficial effects:

[0067] The method and system for checking the road coverage quality of the Internet of Vehicles signal provided by the present invention utilizes the ability of a site to send and receive signals at the same time, and sends and receives signals with adjacent sites to determine the signal quality; the Internet of Vehicles sites are laid along the road and are relatively close to each other, and the road coverage is determined by detecting the signal quality between sites; the site numbering is used so that the site can receive or send in a set order, and the two-way characteristics of the signal can be used to further verify the coverage of the signal between adjacent sites, and avoid misjudgment caused by the influence of the third site. The inspection time is fast, no inspection equipment is required, and the cost of the inspection equipment can be completely saved; there is no need for personnel to go to the site for operation, only monitoring personnel need to operate in the background, and even more, it can be set to automatic detection and timed execution.

[0068] The above disclosure is only the preferred embodiment of the present invention, which certainly cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope of the present invention.

Claims

1. A method for checking the road coverage quality of vehicle networking signals, characterized in that: include: Determine the target road where the IoV signal needs to be checked, and sequentially obtain the signal information sent and received by the IoV stations on the target road; Identify the vehicle networking site number and the corresponding signal strength in the received signal information, and compare the vehicle networking site number and the corresponding signal strength with the preset configuration of the vehicle networking site on the road to determine whether a certain vehicle networking site is faulty, and obtain the corresponding vehicle networking site fault status; Determine the coverage quality of the Internet of Vehicles signal on the road based on the failure conditions of all Internet of Vehicles sites on the road.

2. The method according to claim 1, characterized in that The preset configuration of the Internet of Vehicles site on the road specifically includes: Number the connected vehicle stations on the same road in sequence; Two adjacent Internet of Vehicles stations are set to send and receive signals to each other, and the Internet of Vehicles stations on the road are set to transmit or receive signals in sequence according to the corresponding numbers; The difference in signal strength between two adjacent Internet of Vehicles stations sent and received is set to be within a preset signal error range.

3. The method according to claim 2, characterized in that The step of comparing the vehicle networking site number, the corresponding signal strength, and the preset configuration of the vehicle networking site on the road to determine whether a certain vehicle networking site is faulty specifically includes: Sort the IoV stations on the target road in the same direction; If the numbers of two adjacent connected vehicle network sites in the sorted connected vehicle network sites are not continuous, it is determined that there is a fault interval between the two connected vehicle network sites.

4. The method according to claim 3, characterized in that Also includes: When the numbers of two adjacent Internet of Vehicles sites in the sorted Internet of Vehicles sites are continuous, determining whether a difference in signal strength between the two adjacent Internet of Vehicles sites exceeds a preset signal error range; If the signal error exceeds the preset range, it is determined that there is a fault interval between the two vehicle networking sites; If the signal error does not exceed the preset range, it is determined that the two vehicle networking sites are normal.

5. The method according to claim 4, characterized in that Also includes: When the Internet of Vehicles stations on the target road transmit or receive signals continuously in sequence according to the corresponding numbers, if a certain Internet of Vehicles station does not receive the signal sent by the Internet of Vehicles station with the previous number or receives an erroneous signal, it is determined that there is a fault section at that location.

6. A system for checking the road coverage quality of vehicle networking signals, used to implement the method according to any one of claims 1 to 5, characterized in that: include: The management end is used to determine the target road where the IoV signal needs to be checked, and sequentially obtain the signal information sent and received by the IoV stations on the target road; It is also used to identify the vehicle networking site number and the corresponding signal strength in the received signal information, and compare the vehicle networking site number and the corresponding signal strength with the preset configuration of the vehicle networking site on the road to determine whether a certain vehicle networking site is faulty, and obtain the corresponding vehicle networking site fault status; And used to determine the coverage quality of the Internet of Vehicles signal on the road based on the failure conditions of all Internet of Vehicles sites on the road; The Internet of Vehicles terminal is used to set up multiple consecutive Internet of Vehicles stations on the same road.

7. The system according to claim 6, characterized in that The management terminal is also used to sequentially number the Internet of Vehicles sites on the same road; Two adjacent Internet of Vehicles stations are set to send and receive signals to each other, and the Internet of Vehicles stations on the road are set to transmit or receive signals in sequence according to the corresponding numbers; The difference in signal strength between two adjacent Internet of Vehicles stations sent and received is set to be within a preset signal error range.

8. The system according to claim 7, characterized in that The management end is also used to sort the Internet of Vehicles sites on the target road in the same direction; If the numbers of two adjacent connected vehicle network sites in the sorted connected vehicle network sites are not continuous, it is determined that there is a fault interval between the two connected vehicle network sites.

9. The system according to claim 8, characterized in that The management end is further used to determine whether the difference in signal strength between the two adjacent vehicle networking sites exceeds a preset signal error range when the numbers of the two adjacent vehicle networking sites in the sorted vehicle networking sites are continuous; If the signal error exceeds the preset range, it is determined that there is a fault interval between the two vehicle networking sites; If the signal error does not exceed the preset range, it is determined that the two vehicle networking sites are normal.

10. The system according to claim 9, characterized in that The management end is also used to determine that there is a fault section at a certain Internet of Vehicles site when the Internet of Vehicles sites on the target road transmit or receive signals in sequence and continuously according to the corresponding numbers, if a certain Internet of Vehicles site does not receive the signal sent by the Internet of Vehicles site with the previous number or receives an erroneous signal.

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