CN111726776A - Automatic network dialing parameter identification method of Internet of vehicles equipment - Google Patents
Automatic network dialing parameter identification method of Internet of vehicles equipment Download PDFInfo
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Abstract
The invention provides a network dialing parameter automatic identification method of Internet of vehicles equipment, which comprises the following steps: reading target label information in a set field of an SIM card of the Internet of vehicles equipment when the Internet of vehicles equipment is started; acquiring a network configuration list table pre-established in the Internet of vehicles, wherein the network configuration list table comprises a plurality of identification tag groups, each identification tag group corresponds to a configuration parameter, and each identification tag group comprises tag information; matching target configuration parameters corresponding to the target label information from the network configuration list table according to the target label information; and calling the target configuration parameters, and dialing through the target configuration parameters. Based on the scheme provided by the invention, a judgment basis is provided for the car networking equipment by customizing the built-in data of the SIM card, so that the car networking equipment can judge which configuration parameter is needed according to the target label information when being started, the SIM card does not need to be managed in a classified manner, and the management cost of the SIM card is reduced.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to an automatic identification method for network dialing parameters of vehicle networking equipment.
Background
In the vehicle production management process, different vehicle type projects may have different networking structures, and wireless network access parameters may also be different. In the prior art, in order to distinguish the correspondence between SIM cards with different background network access parameters and vehicle type items, production management is usually submerged in SIM card material management, that is, SIM cards of the same model are distinguished into different materials, which results in high management cost.
Disclosure of Invention
In view of the above, the present invention is proposed to provide an automatic network dialing parameter identification method for a vehicle networking device that overcomes or at least partially solves the above problems.
According to one aspect of the invention, a method for automatically identifying network dialing parameters of a vehicle networking device is provided, which comprises the following steps:
reading target label information in a set field in an SIM card of the Internet of vehicles equipment when the Internet of vehicles equipment is started;
acquiring a network configuration list table pre-established in the vehicle networking equipment, wherein the network configuration list table comprises a plurality of identification tag groups, each identification tag group corresponds to a configuration parameter, and each identification tag group comprises tag information;
matching target configuration parameters matched with the target label information from the network configuration list table according to the target label information;
and calling the target configuration parameters, and dialing through the target configuration parameters.
Optionally, if the target configuration parameter does not specify the short message center parameter, acquiring a short message center number EF of the SIM cardSMSPField from the EFSMSPAnd reading the number of the short message center from the field as the parameter of the short message center.
Optionally, the matching, according to the target tag information, a target configuration parameter corresponding to the target tag information from the network configuration inventory table includes:
matching configuration parameters corresponding to the target label information from the network configuration list table to serve as first configuration parameters;
judging whether the first configuration parameter is unique;
if so, taking the first configuration parameter as the target configuration parameter.
Optionally, each of the identification tag groups further includes at least one of an international mobile subscriber identity, an integrated circuit card identity, and a mobile subscriber international number as a configuration parameter matching code, and each of the configuration parameter matching codes has a preset priority;
after judging that the first configuration parameter is not the only result, the method further comprises the following steps:
according to the sequence of the preset priority of each configuration parameter matching code, selecting the configuration parameter matching code with the highest preset priority as the current configuration parameter matching code;
matching configuration parameters corresponding to the current configuration parameter matching codes from the first configuration parameters to serve as second configuration parameters;
judging whether the second configuration parameter is unique;
if so, taking the second configuration parameter as the target configuration parameter;
if not, selecting a configuration parameter matching code with the highest preset priority as a current configuration parameter matching code, and matching a configuration parameter matched with the current configuration parameter matching code from the second configuration parameter as a third configuration parameter;
judging whether the third configuration parameter is unique;
if so, taking the third configuration parameter as the target configuration parameter;
and if not, matching the configuration parameter corresponding to the configuration parameter matching code with the lowest preset priority from the third configuration parameters to serve as the target configuration parameter.
Optionally, the predetermined priority of the international mobile subscriber identity, the integrated circuit card identity, and the international mobile subscriber number in each of the identification tag groups is from high to low.
Optionally, the configuration parameters include:
dialing parameters including a private network APN parameter, a public network APN parameter, a VoLTE APN parameter, a standby APN parameter and a short message center parameter; and
and the TSP access parameters comprise an E-call/X-call center number and a TSP short message gateway code.
Optionally, if the target configuration parameter does not specify the short message center parameter, acquiring a short message center number EF of the SIM cardSMSPField from the EFSMSPAnd reading the number of the short message center from the field as the parameter of the short message center.
Optionally, the method further comprises: and receiving a configuration file updating instruction issued by a remote service platform in a short message form, and updating the configuration file according to the configuration file updating instruction.
According to another aspect of the present invention, there is also provided an electronic device comprising a processor and a memory, the memory having stored therein at least one instruction, at least one program, set of codes, or set of instructions, which is loaded and executed by the processor to implement the method as claimed in any one of the above.
Optionally, according to yet another aspect of the present invention, there is also provided a computer readable storage medium, wherein at least one instruction, at least one program, set of codes, or set of instructions is stored in the storage medium, which is loaded by a processor and executes the method according to any one of the above.
In the scheme provided by the invention, when the car networking equipment is started, the target label information in the set field of the SIM card of the car networking equipment is read, then the target configuration parameters matched with the target label information can be matched according to a network configuration list table established in the car networking equipment in advance, and the target configuration parameters are called for dialing. Based on the scheme provided by the invention, a judgment basis is provided for the car networking equipment by customizing the built-in data of the SIM card, so that the car networking equipment can judge which configuration parameter is needed according to the target label information when being started, the SIM card does not need to be managed in a classified manner, and the management cost of the SIM card is reduced.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a flowchart illustrating a method for automatically identifying a network dialing parameter of an internet of vehicles according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It should be noted that the technical features of the embodiments and alternative embodiments of the present invention may be combined with each other without conflict.
Fig. 1 is a flowchart illustrating a method for automatically identifying a network dialing parameter of an internet of vehicles according to an embodiment of the present invention. As shown in fig. 1, the method comprises at least the following steps:
s102: reading target label information in a set field in an SIM card of the Internet of vehicles equipment when the Internet of vehicles equipment is started;
s104: acquiring a network configuration list table pre-established in the Internet of vehicles equipment, wherein the network configuration list table comprises a plurality of identification tag groups, each identification tag group corresponds to a configuration parameter, and each identification tag group comprises tag information;
s106: matching target configuration parameters matched with the target label information from the network configuration list table according to the target label information;
s108: and calling the target configuration parameters, and dialing through the target configuration parameters.
In the scheme provided by the invention, when the car networking equipment is started, the target label information in the set field of the SIM card of the car networking equipment is read, then the target configuration parameters matched with the target label information can be matched according to a network configuration list table established in the car networking equipment in advance, and further the target configuration parameters are called for dialing. Based on the scheme provided by the invention, a judgment basis is provided for the car networking equipment by customizing the built-in data of the SIM card, so that the car networking equipment can judge which configuration parameter is needed according to the target label information when being started, the SIM card does not need to be managed in a classified manner, and the management cost of the SIM card is reduced.
A transparent type file called "elementary file" EF exists in the SIM card file system. The label has the characteristics of readability, irreparability, uniqueness and necessity, and is an ideal choice for configuring the label.
The EF file mainly comprises EFIMSI(6F07) (IMSI, International Mobile subscriber identity) field, EFICCID(6FE2) (ICCID, Integrated Circuit card identifier) field, EFMSISDN(6F40) (MSISDN, Mobile subscriber International ISDN number) field. Wherein, the three code number fields are commonly used for judging the operator informationThe data of (1). An Alpha Identifier field exists in the basic file EF, and the Alpha Identifier field can be used for remark description of numbers, and is generally left blank and does not participate in network authentication. Therefore, in the invention, the specific vehicle type item is marked by self-defining tag information in the field, and the defined tag information can be composed of four ASCII characters, so that at least 2.6 hundred million combinations can be formed, and the daily identification requirement can be met on the premise of not influencing the work of the SIM card.
After the label information is set, the car networking equipment can acquire the target label information of the SIM card by sending an AT + CNUM instruction when the car networking equipment is started.
After the target tag information is obtained, in step S104, a network configuration list table pre-established in the vehicle networking device is next obtained, where the network configuration list table includes a plurality of identification tag groups, each identification tag group corresponds to a configuration parameter, and each identification tag group includes tag information.
TABLE 1
Table 1 shows a partial network configuration list table, and as shown in table 1, the network configuration list table includes a plurality of identification tag groups, and each identification tag group may include tag information, an international mobile subscriber identity, an integrated circuit card identity, and an international mobile subscriber number.
After the network configuration list table is obtained, next, in step S106, a target configuration parameter corresponding to the target tag information may be matched from the network configuration list table according to the target tag information.
Specifically, first, a configuration parameter corresponding to the target tag information is matched in a network configuration list table according to the target tag information to serve as a first matching parameter, and then whether the first configuration parameter is unique is judged, and if the first configuration parameter is unique, the first configuration parameter serves as the target configuration parameter.
Referring to table 1, for example, if the target tag information is CUGX, only the first configuration parameter, i.e. configuration parameter 2, may be matched in table 1, and then configuration parameter 2 is used as the target configuration parameter.
If the first configuration parameter is not unique, the code number with the highest preset priority is selected as the current configuration parameter matching code according to the preset priority sequence of the international mobile subscriber identity, the integrated circuit card identity and the mobile subscriber international number, then the configuration parameter corresponding to the current configuration parameter matching code is matched in the first configuration parameter to serve as the second configuration parameter, whether the second configuration parameter is unique is judged, and if the second configuration parameter is unique, the second configuration parameter is taken as the target configuration parameter.
Referring to table 1, for example, if the target tag information is CMSH, a plurality of first configuration parameters, that is, configuration parameter 4 and configuration parameter 5, may be matched according to the network configuration inventory table, in this case, the international mobile subscriber identity may be selected as the current configuration parameter matching code, and if the international mobile subscriber identity is 46000, a unique second configuration parameter, that is, configuration parameter 4, may be matched from the plurality of first configuration parameters, that is, configuration parameter 4 and configuration parameter 5, so that configuration parameter 4 may be used as the target configuration parameter.
Further, if the second configuration parameter is not unique, selecting a code number with the highest preset priority as a current configuration parameter identification code, matching a configuration parameter corresponding to the current configuration parameter identification code in the second configuration parameter as a third configuration parameter, judging whether the third configuration parameter is unique, and if the third configuration parameter is unique, taking the third configuration parameter as a target configuration parameter; if the third configuration parameter is not unique, the configuration parameter corresponding to the configuration parameter matching code with the lowest preset priority can be matched from the third configuration parameter to serve as the target configuration parameter.
Referring to table 1, for example, in the case that a plurality of first configuration parameters, i.e., configuration parameter 4 and configuration parameter 5, are matched in table 1 according to the target tag information CMSH, if the international mobile subscriber identity is 46001, a plurality of second configuration parameters, i.e., configuration parameter 4 and configuration parameter 5, may be matched in the plurality of first configuration parameters, in this case, next, if the integrated circuit card identity is 898602, a unique third configuration parameter, i.e., configuration parameter 4, may be matched in the plurality of second configuration parameters as the target configuration parameter; if the ic card id is 898600, the third configuration parameters, i.e., configuration parameter 4 and configuration parameter 5, may still be matched with the second configuration parameters, and in this case, if the international mobile subscriber number is 139, the unique configuration parameter 4 may be matched with the third configuration parameters as the target configuration parameter.
The code number with the highest preset priority can be an integrated circuit card identification code, and the code number with the lowest preset priority can be a mobile subscriber international number. It should be noted that the preset priority order of the international mobile subscriber identity, the integrated circuit card identity, and the international mobile subscriber number may be set according to actual needs, and the present invention does not limit the order.
TABLE 2
Table 2 shows specific contents of some configuration parameters in table 1, and as shown in table 2, the configuration parameters may include a dialing parameter and a TSP access parameter. The dialing parameters comprise a private network APN parameter, a public network APN parameter, a VoLTE APN parameter, a standby APN parameter and a short message center parameter. Wherein, four groups of APN parameters are in parallel relation and have no priority.
In some embodiments of the present invention, if the target configuration parameter does not specify the short message center parameter, the EF of the SIM card is obtainedSMSP(SMSP, short message center number) field from EFSMSPAnd reading the number of the short message center from the field as the parameter of the short message center.
The TSP access parameters comprise an E-call/X-call center number and a TSP short message gateway code. The TSP access parameter is an important part in the end-to-end opening process of the car networking service, the TSP access parameters corresponding to different car type items may be different, and the car networking device can only find the corresponding server if the TSP access parameter is obtained.
In addition, since the life cycle of the car networking device is generally more than fifteen years, the configuration parameters cannot be invariable in the whole life cycle, and therefore, the remote updating of the configuration parameters is an important function.
OTA updating of the car networking equipment is generally carried out through a data network in the prior art, but operation preparation work is complex, the network is required to be smooth during updating, and once the network is mismatched, the updating requirement cannot be met.
In order to solve the problem, in some embodiments of the present invention, a configuration file update instruction issued by a remote service platform in a form of a short message is received, so that the configuration file is updated according to the configuration file update instruction.
The short message is transmitted by using a signaling network without depending on data communication, and the configuration file can be normally updated even under the condition of network mismatch; in addition, the short message can directly find the car networking equipment from a TSP (Telematics Service Platform, also called as cloud) actively without depending on an interaction process, namely, a manager only needs to send an MQTT instruction to the car networking equipment from a standard short message access gateway of the TSP, and the car networking equipment can complete the update of the configuration file, and is good in compatibility and accurate; in addition, the data volume of the configuration file is not large, a ready-made communication mechanism is arranged between the TSP and the Internet of vehicles, the short message can directly awaken the Internet of vehicles, the cost of using the short message is controllable, and the operation is convenient.
The invention can meet the medium-long service requirements of the Internet of vehicles by the design specification of the configuration parameter content without frequently adjusting the data structure.
According to another aspect of the present invention, there is also provided an electronic device comprising a processor and a memory, the memory having stored therein at least one instruction, at least one program, set of codes, or set of instructions, which is loaded and executed by the processor to implement the method according to any of the embodiments described above.
According to yet another aspect of the present invention, there is also provided a computer readable storage medium having stored therein at least one instruction, at least one program, set of code or set of instructions, which is loaded by a processor and which performs a method as described in any one of the above embodiments.
The invention provides an automatic identification method for network dialing parameters of Internet of vehicles equipment. Based on the scheme provided by the invention, a judgment basis is provided for the car networking equipment by customizing the built-in data of the SIM card, so that the car networking equipment can judge which configuration parameter is required according to the target label information when being started, the SIM card does not need to be managed in a classified manner, and the management cost of the SIM card is reduced; in addition, the car networking equipment receives a configuration file updating instruction issued by the remote service platform in a short message form, so that the configuration file is updated. Even under the condition of network mismatch, the configuration file can be normally updated, and the requirement of timely updating the configuration file is met.
It is clear to those skilled in the art that the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and for the sake of brevity, further description is omitted here.
In addition, the functional units in the embodiments of the present invention may be physically independent of each other, two or more functional units may be integrated together, or all the functional units may be integrated in one processing unit. The integrated functional units may be implemented in the form of hardware, or in the form of software or firmware.
Those of ordinary skill in the art will understand that: the integrated functional units, if implemented in software and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computing device (e.g., a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention when the instructions are executed. And the aforementioned storage medium includes: u disk, removable hard disk, Read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disk, and other various media capable of storing program code.
Alternatively, all or part of the steps of implementing the foregoing method embodiments may be implemented by hardware (such as a computing device, e.g., a personal computer, a server, or a network device) associated with program instructions, which may be stored in a computer-readable storage medium, and when the program instructions are executed by a processor of the computing device, the computing device executes all or part of the steps of the method according to the embodiments of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments can be modified or some or all of the technical features can be equivalently replaced within the spirit and principle of the present invention; such modifications or substitutions do not depart from the scope of the present invention.
Claims (10)
1. A network dialing parameter automatic identification method of vehicle networking equipment comprises the following steps:
reading target label information in a set field of an SIM card of the Internet of vehicles equipment when the Internet of vehicles equipment is started;
acquiring a network configuration list table pre-established in the vehicle networking equipment, wherein the network configuration list table comprises a plurality of identification tag groups, each identification tag group corresponds to a configuration parameter, and each identification tag group comprises tag information;
matching a target configuration parameter corresponding to the target label information from the network configuration list table according to the target label information;
and calling the target configuration parameters, and dialing through the target configuration parameters.
2. The method of claim 1, wherein,
the target label information is set in an alpha identifier empty field in a basic file in the SIM card.
3. The method of claim 1 or 2, wherein matching out the target configuration parameters corresponding to the target tag information from the network configuration inventory table comprises:
matching configuration parameters corresponding to the target label information from the network configuration list table to serve as first configuration parameters;
judging whether the first configuration parameter is unique;
if so, taking the first configuration parameter as the target configuration parameter.
4. The method of claim 3, wherein each of the tag sets further comprises at least one of an international mobile subscriber identity, an integrated circuit card identity, and an international mobile subscriber number as a profile match, and each of the profile match has a predetermined priority;
after judging that the first configuration parameter is not the only result, the method further comprises the following steps:
according to the sequence of the preset priority of each configuration parameter matching code, selecting the configuration parameter matching code with the highest preset priority as the current configuration parameter matching code;
matching configuration parameters corresponding to the current configuration parameter matching codes from the first configuration parameters to serve as second configuration parameters;
judging whether the second configuration parameter is unique;
if so, taking the second configuration parameter as the target configuration parameter;
if not, selecting a configuration parameter matching code with the highest preset priority as a current configuration parameter matching code, and matching a configuration parameter matched with the current configuration parameter matching code from the second configuration parameter as a third configuration parameter;
judging whether the third configuration parameter is unique;
if so, taking the third configuration parameter as the target configuration parameter;
and if not, matching the configuration parameter corresponding to the configuration parameter matching code with the lowest preset priority from the third configuration parameters to serve as the target configuration parameter.
5. The method of claim 4 wherein the predetermined priority of the international mobile subscriber identity, the integrated circuit card identity, and the international mobile subscriber number in each of the sets of identification tags is from high to low.
6. The method of claim 1, wherein the configuration parameters comprise:
dialing parameters including a private network APN parameter, a public network APN parameter, a VoLTE APN parameter, a standby APN parameter and a short message center parameter; and
and the TSP access parameters comprise an E-call/X-call center number and a TSP short message gateway code.
7. The method of claim 6, wherein,
if the target configuration parameter does not specify the short message center parameter, acquiring a short message center number EF of the SIM cardSMSPField from the EFSMSPReading short message center number in fieldAnd the parameters are the short message center parameters.
8. The method of claim 1, further comprising:
and receiving a configuration file updating instruction issued by a remote service platform in a short message form, and updating the configuration file according to the configuration file updating instruction.
9. An electronic device comprising a processor and a memory, the memory having stored therein at least one instruction, at least one program, a set of codes, or a set of instructions, the at least one instruction, the at least one program, the set of codes, or the set of instructions being loaded and executed by the processor to implement the method of any one of claims 1-8.
10. A computer readable storage medium having stored therein at least one instruction, at least one program, set of code or instructions, which is loaded by a processor and which performs the method of any one of claims 1 to 8.
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