CN117295089A - Automatic drive test system of network optimization DT - Google Patents
Automatic drive test system of network optimization DT Download PDFInfo
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- CN117295089A CN117295089A CN202311217980.6A CN202311217980A CN117295089A CN 117295089 A CN117295089 A CN 117295089A CN 202311217980 A CN202311217980 A CN 202311217980A CN 117295089 A CN117295089 A CN 117295089A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 238000004458 analytical method Methods 0.000 claims abstract description 5
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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
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
Abstract
The invention discloses a network optimal DT automatic drive test system, which relates to the technical field of communication and comprises a back-end server, a remote drive test module, a signal monitoring module and a data transmission module; the remote drive test module automatically executes test contents after receiving a test plan, acquires drive test data, and polls alarm reporting, event reporting and drive test data uploading events through a minimum push algorithm; the signal monitoring module is used for monitoring the communication condition of the test area, if the signal attenuation index XS is larger than a preset attenuation threshold value, the drive test data are stored in the local database, and drive test data transmission is not performed any more, so that the occupation of the drive test function on the network bandwidth is reduced; the data transmission module is used for carrying out transmission value index CK analysis on the drive test data and distributing different types of transmission paths for transmission; the transmission path is divided into a primary jump path and a secondary jump path; effectively avoid network congestion, improve communication efficiency, make data transmission more hierarchical.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a network optimal DT automatic drive test system.
Background
In public wireless communication networks, in order to improve signal transmission quality, more users are provided with the most effective service content and value, and meanwhile, the optimization of investment cost is achieved, so that the wireless network optimization work is more and more important. The network optimization refers to parameter collection and data analysis of a network which is formally put into operation, main reasons affecting the network quality are found out, and the network is enabled to reach an optimal operation state through adjustment of network and equipment parameters, so that optimal benefit is obtained based on the existing network resources.
The traditional data acquisition mode mainly comprises the step of carrying test mobile phones, GPS, sweep generators, drive test software and the like by a network engineer to reach a designated area for voice and data service test and data acquisition after the network communication problem occurs. The scheme needs the whole participation of engineers, has low personnel efficiency, consumes a large amount of material resources, and can not reflect the network condition in real time due to the network optimization guided by user complaints; based on the defects, the invention provides a network optimal DT automatic drive test system.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a network optimization DT automatic drive test system.
To achieve the above objective, an embodiment of the first aspect of the present invention provides a network optimization DT automatic drive test system, including a back-end server, a remote drive test module, a signal monitoring module, a local database, a data transmission module, and a report statistics module;
the tester logs in to access the back-end server through the operation client, makes, modifies and stores test plan configuration on the back-end server and issues the test plan configuration to the remote drive test module;
the remote drive test module comprises a drive test terminal and a GPS positioning unit, and is carried on the vehicle-mounted equipment; when the vehicle-mounted equipment performs service transmission, the remote drive test module automatically executes test contents after receiving a test plan, acquires drive test data, and polls and reports an alarm, reports an event and uploads the drive test data through a minimum push algorithm; the drive test data carries positioning data;
the signal monitoring module is connected with the remote drive test module and is used for monitoring the communication condition of the test area so as to determine whether drive test data is uploaded; the specific monitoring steps are as follows:
establishing communication connection between the drive test terminal and the base station group, and sending a measurement configuration message to the base station group, wherein the measurement configuration message comprises a first signal quality threshold; obtaining a signal attenuation index XS through correlation analysis; comparing the signal attenuation index XS with a preset attenuation threshold;
if XS is larger than a preset attenuation threshold, the current network condition is extremely bad, and the remote drive test module stores the drive test data in a local database and does not transmit the drive test data any more;
if XS is less than or equal to a preset attenuation threshold, the remote drive test module transmits drive test data to a back-end server through the data transmission module, and meanwhile, the drive test data is stored in a local database;
the data transmission module is used for analyzing transmission value indexes CK of the drive test data and distributing transmission paths of different categories according to the transmission value indexes CK for transmission; the transmission path is divided into a primary jump path and a secondary jump path;
the report statistics module is used for a test engineer to access the back-end server through the client and create a statistics report, and the content of the statistics report is divided into wireless parameters and business KPIs.
Further, the specific analysis steps of the data transmission module are as follows:
acquiring the data transmission distance and the data transmission bandwidth of the drive test data and marking the data transmission distance and the data transmission bandwidth as L1 and L2 in sequence; counting the data quantity of the drive test data as LZ; calculating a transmission load value Lt of the drive test data by using a formula lt=mu×LZ× (L1×a1+L2×a2), wherein a1 and a2 are preset coefficient factors; mu is a preset compensation coefficient;
acquiring a test area corresponding to drive test data; counting the checking maintenance times of the corresponding area network as C1; collecting communication time sequence data of the test area; the communication time sequence data comprises unit throughput, access connection equipment number and network speed of the corresponding area network, which are acquired at the same time; the unit throughput refers to data throughput in unit time, and the unit time is preset by an administrator;
in a preset time period, marking the maximum value of unit throughput of a corresponding area network as LYt, marking the maximum value of the number of access connection devices as FLt and marking the maximum value of network speed as FVt; calculating a communication application index TZ of the test area by using a formula TZ= LYt ×a3+FLt×a4+ FVt ×a5, wherein a3, a4 and a5 are all preset coefficient factors;
normalizing the checking maintenance times, the transmission load value and the communication application index and taking the numerical value; and calculating the transmission value index CK of the drive test data by using a formula CK= (TZ multiplied by b3+C1 multiplied by b 5)/(Lt multiplied by b 4), wherein b3, b4 and b5 are all preset coefficient factors.
Further, the data transmission module further includes:
comparing the transmission value index CK with a preset value threshold; if the transmission value index CK is larger than a preset value threshold, a first-level jump path is allocated to the drive test data; the primary jump path is represented as: the drive test data is directly sent to a back-end server through a base station;
if the transmission value index CK is less than or equal to a preset value threshold, a secondary jump path is allocated to the drive test data; the secondary jump path appears as: the drive test data are transferred to the back-end server through the two base stations in sequence.
Further, the signal monitoring module further comprises:
in response to receiving the measurement configuration message, each base station immediately transmits a second synchronization signal to the drive test terminal; after the drive test terminal receives the second synchronous signal, determining the signal quality of the second synchronous signal and comparing the signal quality with a first signal quality threshold to obtain a first quality difference CA;
calculating the time difference between the moment when the drive test terminal sends out the measurement configuration message and the moment when the drive test terminal receives the second synchronous signal to obtain response time XT; calculating a signal attenuation index XS of the test area by using a formula XS=fX (CA×b1+XTXb2), wherein b1 and b2 are preset coefficient factors; f is a preset equalization coefficient.
Further, the test plan configuration comprises drive test terminal codes, test sites or areas, cycle times, execution date ranges and last update time; the drive test data is mass air interface protocol data collected in the network coverage of a test site or area.
Further, the minimum estimation method specifically includes: the event timers in the form of the minimum stack are adopted, namely, each event timer is inserted into an event linked list in the form of the minimum stack after being triggered.
Further, when a problem occurs in the network, the background server is used for acquiring corresponding drive test data and checking and maintaining the network according to the acquired drive test data.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, when the vehicle-mounted equipment performs service transmission, the remote drive test module automatically executes test content after receiving a test plan, acquires drive test data, and polls alarm reporting, event reporting and drive test data uploading events through a minimum push algorithm, so that a background server can acquire network conditions at the first time; the signal monitoring module is used for monitoring the communication condition of the test area so as to determine whether to upload drive test data; if the signal attenuation index XS is larger than a preset attenuation threshold, the current network condition is extremely bad, and the remote drive test module stores the drive test data in a local database without drive test data transmission, so that occupation of the drive test function on network bandwidth is reduced; otherwise, the remote drive test module transmits the drive test data to the back-end server through the data transmission module, and meanwhile, the drive test data is stored in a local database; the phenomenon of data loss under the condition of bad network is effectively prevented;
2. the data transmission module is used for analyzing the transmission value index CK of the drive test data and distributing different types of transmission paths for transmission according to the transmission value index CK; if the transmission value index CK is larger than a preset value threshold, a first-level jump path is allocated to the drive test data; the first-order jump path appears as: the drive test data is directly sent to a back-end server through a base station; otherwise, a second-level jump path is distributed for the drive test data; the secondary jump path behaves as: the drive test data are sequentially transferred to a rear end server through two base stations; network congestion is effectively avoided, communication efficiency is improved, and data transmission is more hierarchical; when the network has problems, the background server can almost acquire corresponding information at the same time, and check, maintain and the like the network according to the acquired information, so that the real-time performance of automatic drive test is truly realized, and an optimal user experience network is established.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a system block diagram of a network optimization DT automatic drive test system in accordance with the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in FIG. 1, the network optimization DT automatic drive test system comprises a back-end server, a remote drive test module, a signal monitoring module, a local database, a data transmission module and a report statistics module;
the back-end server is used as a centralized management platform for a tester to log in and access through the operation client, and the back-end server makes, modifies and stores test plan configuration on the back-end server and issues the test plan configuration to the remote drive test module; the test plan configuration includes: drive test terminal coding, test location or area, cycle number, execution date range and last update time;
the remote drive test module comprises a drive test terminal and a GPS positioning unit, and is carried on the vehicle-mounted equipment; when the vehicle-mounted equipment performs service transmission, the remote drive test module automatically executes test contents after receiving a test plan, acquires drive test data, and polls and reports an alarm, reports an event and uploads the drive test data through a minimum push algorithm; the drive test data carries positioning data;
the minimum dead reckoning method specifically comprises the following steps:
the event timers in the form of the minimum stack are adopted, namely, each event timer is inserted into an event linked list in the form of the minimum stack after being triggered; so as to achieve the purposes of efficient searching, sorting and deleting of the timer;
in this embodiment, in order to obtain a network performance analysis basis, the drive test data is a huge amount of air interface protocol data collected in a network coverage area of a test site or area;
the signal monitoring module is connected with the remote drive test module and is used for monitoring the communication condition of the test area so as to determine whether drive test data is uploaded; the specific monitoring steps are as follows:
establishing communication connection between the drive test terminal and the base station group, and sending a measurement configuration message to the base station group, wherein the measurement configuration message comprises a first signal quality threshold; the base station group consists of a plurality of base stations;
in response to receiving the measurement configuration message, each base station immediately transmits a second synchronization signal to the drive test terminal; after the drive test terminal receives the second synchronous signal, determining the signal quality of the second synchronous signal and comparing the signal quality with a first signal quality threshold to obtain a first quality difference CA;
where those skilled in the art will appreciate that any metric known in the art can be used to characterize signal quality, such as RSRQ, RSRP, RSSI, etc.; the quality difference here may reflect the attenuation of the signal during transmission;
calculating the time difference between the moment when the drive test terminal sends out the measurement configuration message and the moment when the drive test terminal receives the second synchronous signal to obtain response time XT; calculating a signal attenuation index XS of the test area by using a formula XS=fX (CA×b1+XTXb 2), wherein b1 and b2 are preset coefficient factors; f is a preset equalization coefficient; the larger the signal attenuation index XS is, the worse the signal transmission quality is indicated;
comparing the signal attenuation index XS with a preset attenuation threshold; if XS is larger than a preset attenuation threshold, the current network condition is extremely bad, and the remote drive test module stores the drive test data in a local database without drive test data transmission, so that occupation of the drive test function on network bandwidth is reduced;
if XS is less than or equal to a preset attenuation threshold, indicating that the current network condition is good, transmitting the drive test data to a back-end server by a remote drive test module through a data transmission module, and storing the drive test data in a local database; the local database is an SD card of the drive test terminal;
in the embodiment, the drive test data is stored by using the large-capacity SD card, and the uploaded drive test data is backed up, so that the phenomenon of data loss under the condition of bad network can be prevented;
the data transmission module is used for analyzing the transmission value index CK of the drive test data, distributing transmission paths of different categories according to the transmission value index CK for transmission, effectively avoiding network congestion, improving communication efficiency and enabling data transmission to be more hierarchical; the specific analysis steps are as follows:
acquiring the data transmission distance and the data transmission bandwidth of the drive test data and marking the data transmission distance and the data transmission bandwidth as L1 and L2 in sequence; counting the data quantity of the drive test data as LZ; calculating a transmission load value Lt of the drive test data by using a formula Lt=mu×LZ× (L1×a1+L2×a2), wherein a1 and a2 are preset coefficient factors; mu is a preset compensation coefficient;
acquiring a test area corresponding to drive test data; counting the checking maintenance times of the corresponding area network as C1; collecting communication time sequence data of a test area; the communication time sequence data comprises unit throughput, access connection equipment number and network speed of the corresponding area network, which are acquired at the same time; the unit throughput is the data throughput in unit time, and the unit time is preset by an administrator;
in a preset time period, marking the maximum value of unit throughput of a corresponding area network as LYt, marking the maximum value of the number of access connection devices as FLt and marking the maximum value of network speed as FVt; calculating a communication application index TZ of the test area by using a formula TZ= LYt ×a3+FLt×a4+ FVt ×a5, wherein a3, a4 and a5 are all preset coefficient factors;
normalizing the checking maintenance times, the transmission load value and the communication application index and taking the numerical value; calculating a transmission value index CK of the drive test data by using a formula CK= (TZ×b3+C1×b5)/(Lt×b4), wherein b3, b4 and b5 are all preset coefficient factors;
comparing the transmission value index CK with a preset value threshold; if the transmission value index CK is larger than a preset value threshold, a first-level jump path is allocated to the drive test data; the first-order jump path appears as: the drive test data is directly sent to a back-end server through a base station;
if the transmission value index CK is less than or equal to a preset value threshold, a secondary jump path is allocated to the drive test data; the secondary jump path behaves as: the drive test data are sequentially transferred to a rear end server through two base stations;
according to the invention, the drive test data is classified according to the transmission value index CK of the drive test data, different types of drive test data select different transmission paths, the drive test data with high transmission value index CK selects a fast channel, the drive test data with low transmission value index CK selects a slower channel, network congestion is effectively avoided, and communication efficiency is improved;
when a problem occurs in the network, the background server can almost acquire corresponding information at the same time, and check, maintain and the like the network according to the acquired information, so that the real-time performance of automatic drive test is truly realized, and an optimal user experience network is established;
the report statistics module is used for a test engineer to access the back-end server through the client and create a statistics report, wherein the content of the statistics report is mainly divided into wireless parameters and business KPIs, and mainly comprises a parameter sampling point and the duty ratio, the maximum value, the minimum value and the average value of each threshold value of the corresponding parameters; a parameter statistical table and a corresponding GPS track are provided;
in this embodiment, the statistical report is a flexible presentation means, and various reports can be developed in the actual product according to the needs of the testers.
The above formulas are all formulas with dimensions removed and numerical values calculated, the formulas are formulas which are obtained by acquiring a large amount of data and performing software simulation to obtain the closest actual situation, and preset parameters and preset thresholds in the formulas are set by a person skilled in the art according to the actual situation or are obtained by simulating a large amount of data.
The working principle of the invention is as follows:
when in operation, a tester logs in to access a back-end server through an operation client, formulates, modifies and stores test plan configuration on the back-end server and issues the test plan configuration to a remote drive test module; the remote drive test module is carried on the vehicle-mounted equipment; when the vehicle-mounted equipment performs service transmission, the remote drive test module automatically executes test contents after receiving a test plan, acquires drive test data, and polls and reports an alarm, reports an event and uploads the drive test data through a minimum push algorithm; the background server can acquire the network condition at the first time;
the signal monitoring module is used for monitoring the communication condition of the test area so as to determine whether to upload drive test data; establishing communication connection between a drive test terminal and a base station group, sending a measurement configuration message to the base station group, and calculating to obtain a signal attenuation index XS of a test area by combining a first quality difference CA and a response time length XT; if XS is larger than a preset attenuation threshold, the current network condition is extremely bad, and the remote drive test module stores the drive test data in a local database without drive test data transmission, so that occupation of the drive test function on network bandwidth is reduced; if XS is less than or equal to a preset attenuation threshold, the remote drive test module transmits drive test data to a back-end server through the data transmission module, and meanwhile, the drive test data is stored in a local database; the phenomenon of data loss under the condition of bad network is effectively prevented;
the data transmission module is used for analyzing the transmission value index CK of the drive test data and distributing different types of transmission paths for transmission according to the transmission value index CK; if the transmission value index CK is larger than a preset value threshold, a first-level jump path is allocated to the drive test data; the first-order jump path appears as: the drive test data is directly sent to a back-end server through a base station; if the transmission value index CK is less than or equal to a preset value threshold, a secondary jump path is allocated to the drive test data; the secondary jump path behaves as: the drive test data are sequentially transferred to a rear end server through two base stations; network congestion is effectively avoided, communication efficiency is improved, and data transmission is more hierarchical; when the network has problems, the background server can almost acquire corresponding information at the same time, and check, maintain and the like the network according to the acquired information, so that the real-time performance of automatic drive test is truly realized, and an optimal user experience network is established.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. The network optimization DT automatic drive test system is characterized by comprising a back-end server, a remote drive test module, a signal monitoring module, a local database, a data transmission module and a report statistics module;
the tester logs in to access the back-end server through the operation client, makes, modifies and stores test plan configuration on the back-end server and issues the test plan configuration to the remote drive test module;
the remote drive test module comprises a drive test terminal and a GPS positioning unit, and is carried on the vehicle-mounted equipment; when the vehicle-mounted equipment performs service transmission, the remote drive test module automatically executes test contents after receiving a test plan, acquires drive test data, and polls and reports an alarm, reports an event and uploads the drive test data through a minimum push algorithm; the drive test data carries positioning data;
the signal monitoring module is connected with the remote drive test module and is used for monitoring the communication condition of the test area so as to determine whether drive test data is uploaded; the specific monitoring steps are as follows:
establishing communication connection between the drive test terminal and the base station group, and sending a measurement configuration message to the base station group, wherein the measurement configuration message comprises a first signal quality threshold; obtaining a signal attenuation index XS through correlation analysis; comparing the signal attenuation index XS with a preset attenuation threshold;
if XS is larger than a preset attenuation threshold, the current network condition is extremely bad, and the remote drive test module stores the drive test data in a local database and does not transmit the drive test data any more;
if XS is less than or equal to a preset attenuation threshold, the remote drive test module transmits drive test data to a back-end server through the data transmission module, and meanwhile, the drive test data is stored in a local database;
the data transmission module is used for analyzing transmission value indexes CK of the drive test data and distributing transmission paths of different categories according to the transmission value indexes CK for transmission; the transmission path is divided into a primary jump path and a secondary jump path;
the report statistics module is used for a test engineer to access the back-end server through the client and create a statistics report, and the content of the statistics report is divided into wireless parameters and business KPIs.
2. The network optimal DT automatic drive test system according to claim 1, wherein the specific analysis steps of the data transmission module are as follows:
acquiring the data transmission distance and the data transmission bandwidth of the drive test data and marking the data transmission distance and the data transmission bandwidth as L1 and L2 in sequence; counting the data quantity of the drive test data as LZ; calculating a transmission load value Lt of the drive test data by using a formula lt=mu×LZ× (L1×a1+L2×a2), wherein a1 and a2 are preset coefficient factors; mu is a preset compensation coefficient;
acquiring a test area corresponding to drive test data; counting the checking maintenance times of the corresponding area network as C1; collecting communication time sequence data of the test area; the communication time sequence data comprises unit throughput, access connection equipment number and network speed of the corresponding area network, which are acquired at the same time; the unit throughput refers to data throughput in unit time, and the unit time is preset by an administrator;
in a preset time period, marking the maximum value of unit throughput of a corresponding area network as LYt, marking the maximum value of the number of access connection devices as FLt and marking the maximum value of network speed as FVt; calculating a communication application index TZ of the test area by using a formula TZ= LYt ×a3+FLt×a4+ FVt ×a5, wherein a3, a4 and a5 are all preset coefficient factors;
normalizing the checking maintenance times, the transmission load value and the communication application index and taking the numerical value; and calculating the transmission value index CK of the drive test data by using a formula CK= (TZ multiplied by b3+C1 multiplied by b 5)/(Lt multiplied by b 4), wherein b3, b4 and b5 are all preset coefficient factors.
3. The network optimal DT automatic drive test system of claim 2, wherein the data transmission module further comprises:
comparing the transmission value index CK with a preset value threshold; if the transmission value index CK is larger than a preset value threshold, a first-level jump path is allocated to the drive test data; the primary jump path is represented as: the drive test data is directly sent to a back-end server through a base station;
if the transmission value index CK is less than or equal to a preset value threshold, a secondary jump path is allocated to the drive test data; the secondary jump path appears as: the drive test data are transferred to the back-end server through the two base stations in sequence.
4. The network optimal DT automatic drive test system of claim 1, wherein the signal monitoring module further comprises:
in response to receiving the measurement configuration message, each base station immediately transmits a second synchronization signal to the drive test terminal; after the drive test terminal receives the second synchronous signal, determining the signal quality of the second synchronous signal and comparing the signal quality with a first signal quality threshold to obtain a first quality difference CA;
calculating the time difference between the moment when the drive test terminal sends out the measurement configuration message and the moment when the drive test terminal receives the second synchronous signal to obtain response time XT; calculating a signal attenuation index XS of the test area by using a formula XS=fX (CA×b1+XTXb2), wherein b1 and b2 are preset coefficient factors; f is a preset equalization coefficient.
5. The network optimal DT automatic drive test system according to claim 1, wherein the test plan configuration comprises drive test terminal codes, test sites or areas, cycle times, execution date range, and last update time; the drive test data is mass air interface protocol data collected in the network coverage of a test site or area.
6. The network optimal DT automatic drive test system according to claim 1, wherein the minimum push algorithm specifically is: the event timers in the form of the minimum stack are adopted, namely, each event timer is inserted into an event linked list in the form of the minimum stack after being triggered.
7. The network optimal DT automatic drive test system according to claim 1, wherein when a network has a problem, the background server is configured to obtain corresponding drive test data and inspect and maintain the network according to the obtained drive test data.
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