CN111935706A - Electric wireless communication terminal device compatible with 4G private network and 5G public network and self-adaption method - Google Patents

Electric wireless communication terminal device compatible with 4G private network and 5G public network and self-adaption method Download PDF

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Publication number
CN111935706A
CN111935706A CN202010673657.XA CN202010673657A CN111935706A CN 111935706 A CN111935706 A CN 111935706A CN 202010673657 A CN202010673657 A CN 202010673657A CN 111935706 A CN111935706 A CN 111935706A
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China
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network
module
wireless communication
public network
private network
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CN202010673657.XA
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Chinese (zh)
Inventor
吕超
丁忠林
何莉媛
龚亮亮
朱雪阳
胡阳
黄忠明
张影
孟伟伟
曹委
徐玉杰
朱晟桢
杨爽
高鑫鑫
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Nari Information and Communication Technology Co
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Nari Information and Communication Technology Co
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Priority to CN202010673657.XA priority Critical patent/CN111935706A/en
Publication of CN111935706A publication Critical patent/CN111935706A/en
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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

The invention discloses an electric wireless communication terminal device compatible with a 4G private network and a 5G public network, which comprises a main control MCU module, a wireless communication module and a double SIM card switching module; the master control MCU module is connected with the double SIM card switching module and the wireless communication module; the double-SIM-card switching module is provided with two mutually independent SIM-card modes, and the master control MCU module controls the double-SIM-card switching module to switch under the two SIM-card modes according to the network state data of the wireless communication module. Also disclosed is an adaptive method comprising the steps of: acquiring network state data detected by the wireless communication module; and controlling the double SIM card switching module to switch between a 4G private network and a 5G public network according to the network state data. The wireless communication terminal device realizes the self-adaptive switching of the terminal between the power-dedicated 4G frequency band system and the public network 5G frequency band system, improves the communication capability of the terminal, and improves the communication quality and the safety.

Description

Electric wireless communication terminal device compatible with 4G private network and 5G public network and self-adaption method
Technical Field
The invention relates to a power wireless communication terminal device and a self-adaption method thereof, in particular to a power wireless communication terminal device compatible with a 4G private network and a 5G public network and a self-adaption method thereof, belonging to the technical field of power communication access networks, in particular to the technical field of multi-mode wireless communication self-adaption.
Background
The wireless communication technology has wide application and development prospects in a power system, and especially plays a key role in power communication. At present, the 4G network technology is mature and is successfully deployed and commercialized in a large scale, and the wireless private network is also widely applied to a plurality of fields such as electric power, transportation, water conservancy, government and public safety, but still has higher technical barriers and evolution risks. 5G has become a development hotspot of global communication as a new generation of mobile communication technology. The 5G can bring user experience of ultra-high bandwidth, ultra-low time delay and ultra-large scale connection, and the network architecture based on technologies such as software definition, network function virtualization and the like can support customization as required, high dynamic expansion and automatic deployment of network resources and support end-to-end network slicing from an access network, a core network and a bearing network, so that customized 'industry-specific network' service is created for users in the power industry, the ubiquitous connection capability of the network can be improved, a novel operation mode and a power utilization service mode of power operation are stimulated, intelligent upgrading of power grid services is realized, and development of emerging services is promoted.
The wireless communication terminal of the current power industry has the following problems: firstly, most of the existing electric power wireless communication terminals are 2G, 3G and 4G standard public network terminals, and the few of the existing electric power wireless communication terminals are 4G public network/private network integrated terminals and 5G public network terminals, and no terminal fusing electric power 4G (TD-LTE 1800 MHz) private network and 5G public network frequency band standards is available; secondly, on a public and private network switching mechanism, the existing communication terminal does not need to design a switching mechanism from multiple dimensions in combination with power service, and the self-adaptive capacity is low; thirdly, in terms of communication security, the existing public network communication terminal or the electric power private network terminal basically does not support or only supports one encryption algorithm and protocol, and lacks the customized security protection of the electric power private network.
Disclosure of Invention
The invention aims to overcome the defect that the electric power wireless communication terminal in the prior art cannot be compatible with a 4G private network and a 5G public network, and provides an electric power wireless communication terminal device compatible with the 4G private network and the 5G public network and a self-adaptive method thereof, wherein the technical scheme is as follows:
an electric wireless communication terminal device compatible with a 4G private network and a 5G public network comprises a main control MCU module, a wireless communication module and a double SIM card switching module;
the master control MCU module is connected with the double SIM card switching module and the wireless communication module;
the dual-SIM card switching module has two mutually independent SIM card systems,
and the main control MCU module controls the double SIM card switching module to switch under two SIM card modes according to the network state data of the wireless communication module.
The intelligent security system further comprises an Ethernet interface module, a serial port module, an identity authentication module, a power supply module and a security encryption module which are in communication connection with the main control MCU module, wherein the security encryption module comprises two encryption components of a security TF card and a password card.
An adaptive method of a power wireless communication terminal device compatible with a 4G private network and a 5G public network comprises the following steps:
acquiring network state data detected by a wireless communication module;
and controlling the double SIM card switching module to switch between the 4G private network and the 5G public network according to the network state data.
Further, the network state data includes network on-off, network traffic size, communication packet loss rate and time delay, signal strength and signal-to-noise ratio, and public network operation time.
Preferably, the method for judging whether to switch the network type according to the network on-off condition comprises the following steps:
controlling a double SIM card switching module to enter a 4G private network, searching for 4G network duration T0 minutes, and entering a 4G private network system if the 4G network is successfully attached;
if the 4G network is not successfully attached or the 4G private network system is disconnected, controlling the double SIM card switching module to switch into the 5G public network;
if the 5G network is successfully attached, entering a 5G public network system;
if the 5G network is not successfully attached or the 5G public network system is disconnected, controlling a double SIM card switching module to search the 5G network for T0 minutes, and if the 5G network is successfully attached, entering the 5G public network system;
and if the 5G network is not successfully attached, controlling the double SIM card switching module to switch into a 4G private network system.
Preferably, the method comprises the step of acquiring network state data of network switching through a wireless communication module.
Preferably, the method for judging whether to switch the network type according to the network traffic comprises the following steps:
judging the current network type, and setting an uplink threshold value of flow per minute of network flow as F1 and a downlink threshold value as F2; calculating the communication flow f once per minute;
if the number of times that the communication flow F is larger than F1 within continuous T1 minutes is M1 times under the 4G private network communication system, controlling the double SIM card switching module to be switched to a 5G public network system;
and if the number of times that the communication flow F is less than F2 within continuous T1 minutes is M1 times under the 5G public network communication system, controlling the double-SIM card switching module to be switched to the 4G private network system.
Further, according to the communication packet loss rate and the time delay, whether to switch the network type is judged, which comprises the following steps:
setting an upper limit threshold of a communication packet loss rate per minute as L and an upper limit threshold of a time delay as D, and counting a packet loss rate L and a time delay D at one time;
if M2 times of packet loss rate L is greater than L and time delay D is greater than D within continuous T2 minutes, and the network switching time exceeds T minutes from the last time, switching the network system;
if not, the network system is not switched.
Further, according to the signal intensity and the signal-to-noise ratio, whether to switch the network type is judged, which comprises the following steps:
setting a lower limit threshold of signal intensity of a 4G private network as R1, a lower limit threshold of signal-to-noise ratio as S1, a lower limit threshold of signal intensity of a 5G public network as R2, a lower limit threshold of signal-to-noise ratio as S2, and measuring the current signal intensity R and the signal-to-noise ratio S of the device once per minute;
judging the type of the current network system, and if the current network system is in a 4G private network communication system, and the signal intensity R is less than R1 for M3 times and the signal-to-noise ratio S is less than S1 within continuous T3 minutes, switching the network system to a 5G public network system;
and if the network system is in the 5G public network communication system, the signal intensity R is less than R2 for M3 times within continuous T3 minutes, and the signal-to-noise ratio S is less than S2, switching the network system to the 4G private network communication system.
Further, according to the running time of the public network, judging whether to switch the network type, comprising the following steps:
and when the running time of the 5G public network communication system exceeds T4 hours, controlling the double SIM card switching module to switch the network system to the 4G private network system, and continuously executing the self-adaptive mechanism according to the conditions of the method after the switching is successful.
Furthermore, according to the network system currently attached to the terminal device, different encryption components and encryption algorithms are selected for encryption and decryption communication,
when the device is in the 4G private network, a security TF card is used for calling a power special cryptographic algorithm and a protocol to establish an encryption tunnel with a security access gateway at the core network side of the 4G private network;
when the device is in the 5G public network, the cryptographic card is used for calling a national standard cryptographic algorithm and a protocol and establishing an encryption tunnel with a security access gateway at the core network side of the 5G public network.
A control system for a power wireless communication terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the method of any one of the preceding claims when executing the computer program.
A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, realizes the steps of the method of any of the preceding claims.
Compared with the prior art, the invention has the following beneficial effects:
(1) the terminal device is self-adaptive to a 4G private network and a 5G public network and is automatically switched under a certain condition, so that the communication stability is effectively improved, and the communication requirements of different power services can be met;
(2) the terminal device is compatible with two communication systems of a 4G private network and a 5G public network, and preferentially uses the 4G private network, so that the utilization rate of the power self-built private network can be effectively improved, and the investment benefit is improved;
(3) the 4G private network channel and the 5G public network channel respectively use different hardware encryption components for encryption and decryption, so that the safety of power communication is effectively improved;
(4) the self-adaptive switching parameter of the 4G private network and the 5G public network can be adjusted by users, and the self-adaptive switching parameter adjusting method has better adaptability to power service equipment.
Drawings
Fig. 1 is a schematic structural diagram of a power wireless communication terminal device according to the present invention;
fig. 2 is a logic schematic diagram of an adaptive method of a power wireless communication terminal device according to the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
As shown in fig. 1, an electric wireless communication terminal device compatible with a 4G private network and a 5G public network includes a main control MCU module, a wireless communication module, and a dual SIM card switching module;
the master control MCU module is connected with the double SIM card switching module and the wireless communication module;
the double SIM card switching module is provided with two mutually independent SIM card systems;
the wireless communication module is compatible with two types of standards of a 4G private network and a 5G public network, wherein the 4G private network is a B59 frequency band of TD-LTE1800MHz, and the 5G public network comprises n41, n77, n78 and n79 frequency bands of 5G NR;
and the main control MCU module controls the double SIM card switching module to switch under two SIM card modes according to the network state data of the wireless communication module. The wireless communication module is used for wireless communication of the terminal device and supports 4G power private network and 5G public network frequency band systems.
The main control MCU module comprises a CPU chip, a memory chip, a FLASH memory chip, a GPIO port and other micro control units.
The double-SIM card switching module comprises a 4G private network SIM card seat, a 5G public network SIM card seat and a switching chip; the chip model of the switching chip in this embodiment is a chip selection chip of TMUX119DCKR, and is used for a chip selection function, and the chip selection chip is controlled by a GPIO port of the main control MCU module to activate only one SIM card seat at a certain time, so as to realize a function of dual-card single-standby single-pass of the device, ensure physical isolation of a 4G private network and a 5G public network at a terminal side, and meet security requirements.
The wireless communication module is provided with 8 antennas, a 4G private network and 5G public network integrated module is arranged in the wireless communication module, and a radio frequency part supports a 4G (TD-LTE 1800 MHz) frequency band system special for electric power and a 5G frequency band system of each operator of a public network.
In this embodiment, the system further includes an ethernet interface module, a serial port module, an identity authentication module, a power module, and a security encryption module, which are in communication connection with the main control MCU module, where the security encryption module includes two encryption components, namely a security TF card and a password card.
The ethernet interface module includes two gigabit ethernet ports, and is used for the communication terminal device of the present invention to connect to other service devices (in this embodiment, power service devices, such as distribution automation devices and power consumption information collection devices) for network communication.
The serial port module comprises an RS232 service serial port, an RS485 service serial port and a debugging serial port, the two service serial ports are used for connecting the communication terminal device of the invention with other service equipment for serial port communication, and the debugging serial port is used for debugging the operation and maintenance of the equipment.
The identity authentication module comprises a USB interface, and a USBKey is inserted when the device is operated, maintained and debugged for identity authentication of an administrator.
The power module supplies power for all modules of the device.
The safety encryption module comprises two encryption components of a safety TF card and a password card and is used for completing hardware encryption and decryption of service data and realizing safety communication; the system supports the electric power special encryption algorithm, the national standard cryptographic algorithms SM1, SM2, SM3 and SM4, is respectively used for communication encryption and decryption of a 4G private network and a 5G public network, and stores keys of different wireless channels in different encryption components to ensure the security of encrypted communication; according to the network type of the terminal device, different encryption components and encryption algorithms are selected for encryption and decryption communication, and when the device is in a 4G private network, a secure TF card is used for calling a special power cipher algorithm and a protocol and establishing an encryption tunnel with a secure access gateway on the core network side of the 4G private network; when the device is in the 5G public network, the cipher card is used for calling a national standard cipher algorithm and a protocol to establish an encryption tunnel with a security access gateway at the core network side of the 5G public network, so that end-to-end security communication is realized.
In the power wireless communication terminal device in this embodiment, each module is integrated inside the housing in use.
An adaptive method of a power wireless communication terminal device compatible with a 4G private network and a 5G public network comprises the following steps:
acquiring network state data detected by a wireless communication module;
and controlling the double SIM card switching module to switch between the 4G private network and the 5G public network according to the network state data.
In this embodiment, the network status data specifically includes network on/off, network traffic, communication packet loss rate and time delay, signal strength and signal-to-noise ratio, and public network operation time.
As a preferred mode in this embodiment, determining whether to switch the network type according to the network on-off condition includes the following steps:
controlling a double SIM card switching module to enter a 4G private network, searching for 2 minutes of the 4G network, and entering a 4G private network system if the 4G network is successfully attached;
if the 4G network is not successfully attached or the 4G private network system is disconnected, controlling the double SIM card switching module to switch into the 5G public network;
if the 5G network is successfully attached, entering a 5G public network system;
if the 5G network is not successfully attached or the 5G public network system is disconnected, controlling the double SIM card switching module to search the 5G network for 2 minutes, and if the 5G network is successfully attached, entering the 5G public network system;
and if the 5G network is not successfully attached, controlling the double SIM card switching module to switch into a 4G private network system.
In this embodiment, as a preferred mode, the method includes acquiring network state data of network on/off through a wireless communication module.
In this embodiment, as a preferred mode, determining whether to switch the network type according to the size of the network traffic includes the following steps:
judging the current network type, and setting an uplink threshold value of flow per minute of network flow as F1 and a downlink threshold value as F2; calculating the communication flow f once per minute;
if the number of times that the communication flow F is larger than F1 within continuous T1 minutes is M1 times under the 4G private network communication system, controlling the double SIM card switching module to be switched to a 5G public network system;
and if the number of times that the communication flow F is less than F2 within continuous T1 minutes is M1 times under the 5G public network communication system, controlling the double-SIM card switching module to be switched to the 4G private network system.
In this embodiment, specifically, determining whether to switch the network type according to the packet loss rate and the time delay of the communication includes the following steps:
setting an upper limit threshold of a communication packet loss rate per minute as L and an upper limit threshold of a time delay as D, and counting a packet loss rate L and a time delay D at one time;
if M2 times of packet loss rate L is greater than L and time delay D is greater than D within continuous T2 minutes, and the network switching time exceeds T minutes from the last time, switching the network system;
if not, the network system is not switched.
In this embodiment, specifically, the determining whether to switch the network type according to the signal strength and the signal-to-noise ratio includes the following steps:
setting a lower limit threshold of signal intensity of a 4G private network as R1, a lower limit threshold of signal-to-noise ratio as S1, a lower limit threshold of signal intensity of a 5G public network as R2, a lower limit threshold of signal-to-noise ratio as S2, and measuring the current signal intensity R and the signal-to-noise ratio S of the device once per minute;
judging the type of the current network system, and if the current network system is in a 4G private network communication system, and the signal intensity R is less than R1 for M3 times and the signal-to-noise ratio S is less than S1 within continuous T3 minutes, switching the network system to a 5G public network system;
and if the network system is in the 5G public network communication system, the signal intensity R is less than R2 for M3 times within continuous T3 minutes, and the signal-to-noise ratio S is less than S2, switching the network system to the 4G private network communication system. The signal strength and signal to noise ratio were measured once per minute and averaged.
In this embodiment, specifically, the determining whether to switch the network type according to the operation time of the public network includes the following steps:
and when the running time of the 5G public network communication system exceeds T4 hours, controlling the double SIM card switching module to switch the network system to the 4G private network system, and continuously executing the self-adaptive mechanism according to the conditions of the method after the switching is successful.
A control system for a power wireless communication terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the method of any one of the preceding claims when executing the computer program.
A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, realizes the steps of the method of any of the preceding claims.
As shown in fig. 2, the power wireless communication terminal apparatus and the adaptive method according to the present invention implement the following functions in accordance with the principle of "private network priority":
(1) after the device is started, the device defaults to enter a 4G private network system for operation;
(2) when the device is started or is disconnected from the 4G private network system, trying to search the 4G private network for 2 minutes, and if the 4G private network is not successfully attached within 2 minutes, switching the equipment to the 5G public network system through a chip selection chip in the double SIM card switching module;
(3) if the device is newly switched into a '5G public network' system or is disconnected from the '5G public network' system, trying to search the '5G public network' for 2 minutes, and if the '5G public network' is not successfully attached within 2 minutes, switching the equipment to a '4G private network' system through a chip selection chip in a double SIM card switching module;
(4) the equipment realizes automatic switching according to parameters such as network flow size, communication packet loss rate and time delay, signal strength and signal-to-noise ratio, public network running time and the like in a certain time.
The electric power wireless communication terminal device and the self-adaptive method have the following technical effects:
(1) the terminal device is self-adaptive to a 4G private network and a 5G public network and is automatically switched under a certain condition, so that the communication stability is effectively improved, and the communication requirements of different power services can be met;
(2) the terminal device is compatible with two communication systems of a 4G private network and a 5G public network, and preferentially uses the 4G private network, so that the utilization rate of the power self-built private network can be effectively improved, and the investment benefit is improved;
(3) the 4G private network channel and the 5G public network channel respectively use different hardware encryption components for encryption and decryption, so that the safety of power communication is effectively improved;
(4) the self-adaptive switching parameter of the 4G private network and the 5G public network can be adjusted by users, and the self-adaptive switching parameter adjusting method has better adaptability to power service equipment.
The power safety wireless communication terminal device and the self-adaptive method can be compatible with a 4G private network and a 5G public network, support double-card single-standby, can realize self-adaptive switching between a power special 4G (TD-LTE 1800 MHz) frequency band system and a public network each operator 5G frequency band system, follow the principle of 'private network priority', realize automatic switching according to parameters such as network flow size, communication packet loss rate and time delay, signal strength and signal to noise ratio, public network running time and the like within a certain time, have better adaptability to the safety communication requirements of power equipment, and have better application prospect. The terminal is self-adaptive to switch between a power-dedicated 4G frequency band system and a public network 5G frequency band system by a built-in 4G private network and 5G public network integrated module and by using a dual-card single-standby technology and sensing various communication parameters, the communication capacity of the terminal is improved, the low communication quality caused by instability of a single network is reduced, and meanwhile, different encryption methods are used according to different networks, so that the safety communication capacity of the terminal is improved, and the information safety requirement of a power system and the communication requirement of a service terminal are met.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (13)

1. An electric wireless communication terminal device compatible with a 4G private network and a 5G public network is characterized by comprising a main control MCU module, a wireless communication module and a double SIM card switching module;
the master control MCU module is connected with the double SIM card switching module and the wireless communication module;
the dual-SIM card switching module has two mutually independent SIM card systems,
and the master control MCU module controls the double SIM card switching module to switch under two SIM card modes according to the network state data of the wireless communication module.
2. The electric wireless communication terminal device compatible with the 4G private network and the 5G public network according to claim 1, further comprising an Ethernet interface module, a serial port module, an identity authentication module, a power supply module and a security encryption module which are in communication connection with the main control MCU module, wherein the security encryption module comprises two encryption components of a security TF card and a password card.
3. An adaptive method of a power wireless communication terminal device compatible with a 4G private network and a 5G public network is characterized by comprising the following steps:
acquiring network state data detected by the wireless communication module;
and controlling the double SIM card switching module to switch between a 4G private network and a 5G public network according to the network state data.
4. The adaptive method for the electric power wireless communication terminal device compatible with the 4G private network and the 5G public network according to claim 3, wherein the network state data comprises network on/off, network traffic size, communication packet loss rate and time delay, signal strength and signal-to-noise ratio, and public network running time.
5. The adaptive method of the electric power wireless communication terminal device compatible with the 4G private network and the 5G public network according to claim 4, wherein the method for judging whether to switch the network type according to the network on-off condition comprises the following steps:
controlling the double SIM card switching module to enter a 4G private network, searching for 4G network duration T0 minutes, and entering a 4G private network standard if the 4G network is successfully attached;
if the 4G network is not successfully attached or the 4G private network system is disconnected, controlling the double SIM card switching module to switch into a 5G public network;
if the 5G network is successfully attached, entering a 5G public network system;
if the 5G network is not successfully attached or the 5G public network system is disconnected, controlling the double SIM card switching module to search the 5G network for T0 minutes, and if the 5G network is successfully attached, entering the 5G public network system;
and if the 5G network is not successfully attached, controlling the double SIM card switching module to switch into a 4G private network system.
6. The adaptive method for the electric power wireless communication terminal device compatible with the 4G private network and the 5G public network according to claim 5, characterized by comprising the step of acquiring network state data of network on-off through the wireless communication module.
7. The adaptive method for the electric power wireless communication terminal device compatible with the 4G private network and the 5G public network according to claim 4, wherein the method for judging whether to switch the network type according to the network traffic comprises the following steps:
judging the current network type, and setting an uplink threshold value of flow per minute of network flow as F1 and a downlink threshold value as F2; calculating the communication flow f once per minute;
if the number of times that the communication flow F is larger than F1 within continuous T1 minutes is M1 times under the 4G private network communication system, controlling the double SIM card switching module to be switched to a 5G public network system;
and if the number of times that the communication flow F is less than F2 within continuous T1 minutes is M1 times under the 5G public network communication system, controlling the double-SIM card switching module to be switched to the 4G private network system.
8. The adaptive method of the electric wireless communication terminal device compatible with the 4G private network and the 5G public network according to claim 4, wherein the method for judging whether to switch the network type according to the communication packet loss rate and the time delay comprises the following steps:
setting an upper limit threshold of a communication packet loss rate per minute as L and an upper limit threshold of a time delay as D, and counting a packet loss rate L and a time delay D at one time;
if M2 times of packet loss rate L is greater than L and time delay D is greater than D within continuous T2 minutes, and the network switching time exceeds T minutes from the last time, switching the network system;
if not, the network system is not switched.
9. The adaptive method for the electric power wireless communication terminal device compatible with the 4G private network and the 5G public network according to claim 4, wherein the method for judging whether to switch the network type according to the signal strength and the signal-to-noise ratio comprises the following steps:
setting a lower limit threshold of signal intensity of a 4G private network as R1, a lower limit threshold of signal-to-noise ratio as S1, a lower limit threshold of signal intensity of a 5G public network as R2, a lower limit threshold of signal-to-noise ratio as S2, and measuring the current signal intensity R and the signal-to-noise ratio S of the device once per minute;
judging the type of the current network system, if the current network system is in a 4G private network communication system, measuring the signal intensity R and the signal-to-noise ratio S1 time every 1 minute, and switching the network system to a 5G public network system if the signal intensity R is less than R1 and the signal-to-noise ratio S is less than S1 and more than M3 times within continuous T3 minutes;
and if the network system is in the 5G public network communication system, measuring the signal intensity R and the signal-to-noise ratio S1 time every 1 minute, and continuously switching the network system to the 4G private network communication system when the signal intensity R is less than R2 and the signal-to-noise ratio S is less than S2 and more than M3 times within T3 minutes.
10. The adaptive method for the electric power wireless communication terminal device compatible with the 4G private network and the 5G public network according to claim 4, wherein the method for judging whether to switch the network type according to the running time of the public network comprises the following steps:
and when the running time of the 5G public network communication system exceeds T4 hours, controlling the double SIM card switching module to switch the network system to the 4G private network system, and continuously executing the self-adaptive mechanism according to the conditions of claims 7, 8 and 9 after the switching is successful.
11. The adaptive method of compatible power wireless communication terminal devices of 4G private network and 5G public network according to any one of claims 3 to 10, wherein different encryption components and encryption algorithms are selected for encryption and decryption communication according to the network standard currently attached to the terminal device,
when the device is in the 4G private network, a security TF card is used for calling a power special cryptographic algorithm and a protocol to establish an encryption tunnel with a security access gateway at the core network side of the 4G private network;
when the device is in the 5G public network, the cryptographic card is used for calling a national standard cryptographic algorithm and a protocol and establishing an encryption tunnel with a security access gateway at the core network side of the 5G public network.
12. A control system for an electric power wireless communication terminal apparatus compatible with a 4G private network and a 5G public network, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the method according to any one of claims 3 to 10 when executing the computer program.
13. Computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 3 to 10.
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