CN112367691A - LoRA-integrated multimode communication module, communication control method and electronic equipment - Google Patents
LoRA-integrated multimode communication module, communication control method and electronic equipment Download PDFInfo
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- 238000004891 communication Methods 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 title claims abstract description 22
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- 238000010295 mobile communication Methods 0.000 claims abstract description 28
- 230000006855 networking Effects 0.000 claims description 4
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
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- 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
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- 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
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- 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
- H04W88/08—Access point devices
- H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points
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Abstract
The invention discloses a LoRA-integrated multimode communication module, a communication control method and electronic equipment, wherein the multimode communication module comprises a power supply unit, a baseband chip, a LoRA module, an RF module and a selection switch; the power supply unit is electrically connected with the baseband chip, the LoRA module and the RF module respectively; the selection switch is respectively connected with the baseband chip, the LoRA module and the RF module; the selection switch is used for selecting the LoRA module or the RF module to establish communication connection with the baseband chip according to the selection instruction of the baseband chip. The multimode communication module is accessed to the LoRA network when the signal coverage of an operator is not enough, so that privacy protection is enhanced, and the defects of a conventional mobile communication network are overcome. The multimode communication module accurately analyzes and judges the signal quality of the mobile communication network, ensures the transmission efficiency, fully exerts the performance of the multimode communication module and improves the transmission efficiency.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a LoRA-integrated multimode communication module, a communication control method and electronic equipment.
Background
The wireless communication module develops rapidly, has obtained the wide application in fields such as thing networking, artificial intelligence, wisdom city, unmanned driving, security protection, intelligence meter reading, industrial detection. Generally, a wireless communication module performs data communication based on a communication System such as GSM (Global System for Mobile communications), CDMA (Code Division Multiple Access), WCDMA (Wideband Code Division Multiple Access), LTE (Long Term Evolution), and the like. The communication of the wireless communication module depends on the network of a communication operator, a data card of the operator needs to be inserted for card identification, real network authentication is carried out according to the corresponding network after the card identification is successful, the network can be successfully resident for data receiving and sending after the authentication is successful, and the data exchange of an application layer is further completed.
The wireless network signal anti-interference ability of the conventional mobile communication network is poor, the wireless communication network is limited by the positions and environments of the mobile communication terminal and the wireless base station, the multipath effect and the shadow effect are easy to generate, the waveform distortion of the receiving level generates a serious bit error rate, and even the network is disconnected, so that the normal communication can not be realized. Therefore, the wireless communication module based on the conventional mobile communication network cannot work normally in mountainous areas, mine holes or other environments with poor network signal quality. Moreover, the existing mobile communication systems are built based on the network of the mobile communication operator, and in the areas with poor signal quality or no coverage of the network of the mobile communication operator, the mobile communication systems are difficult to build by themselves and lack autonomy and flexibility; there are also applications in practice where the user does not wish to transmit data through the communications carrier network.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a multimode communication module integrated with Long Range Radio (Long Range Radio), an electronic device, and a Radio frequency module configuration method, so as to overcome the defects that in the prior art, a communication module based on a communication operator network has a serious error rate or cannot communicate in an environment with poor network signal quality, and lacks autonomy and flexibility.
The invention solves the technical problems through the following technical scheme:
a multimode communication module integrated with LoRA comprises a power supply unit, a baseband chip, a LoRA module, an RF (Radio Frequency) module and a selection switch;
the power supply unit is electrically connected with the baseband chip, the LoRA module and the RF module respectively;
the selection switch is respectively connected with the baseband chip, the LoRA module and the RF module;
the selection switch is used for selecting the LoRA module or the RF module to establish communication connection with the baseband chip according to the selection instruction of the baseband chip.
Preferably, the baseband chip is configured to continuously obtain the network signal quality of the RF module, and is configured to generate the selection instruction according to the network signal quality.
Preferably, when the value of the network signal quality is greater than or equal to a first threshold, the baseband chip generates a first selection instruction, and the selection switch selects the RF module to establish communication connection with the baseband chip according to the first selection instruction;
and when the value of the network signal quality is smaller than the first threshold value, the baseband chip generates a second selection instruction, and the selection switch selects the LoRA module to establish communication connection with the baseband chip according to the second selection instruction.
Preferably, when the value of the network signal quality is greater than or equal to a first threshold and the duration exceeds a preset time length, the baseband chip generates a first selection instruction;
otherwise, the baseband chip generates a second selection instruction.
Preferably, the multimode communication module further comprises a first filter and a second filter,
the RF module is connected with the selection switch through the first filter;
the LoRA module is connected with the selection switch through the second filter;
and/or the presence of a gas in the gas,
the multimode communication module further comprises an identity recognition unit,
the identity recognition unit is in communication connection with the baseband chip and is used for identity verification through a mobile communication network connected with the RF module;
and/or the presence of a gas in the gas,
the multimode communication module further comprises a system application interface,
the system application interface is electrically connected with the power supply unit and is in communication connection with the baseband chip;
the system application interface is used for networking communication and interaction with an upper system application;
and/or the presence of a gas in the gas,
the selection switch selects the RF module and the baseband chip to establish communication connection by default.
A communication control method of a LoRA-integrated multimode communication module is used for controlling the communication of the multimode communication module with any combination of the above items, and comprises the following steps:
the baseband chip generates a selection instruction;
and the selection switch selects the LoRA module or the RF module to establish communication connection with the baseband chip according to the selection instruction.
Preferably, the step of generating the selection instruction by the baseband chip includes:
the baseband chip continuously acquires the network signal quality of the RF module;
and the baseband chip generates the selection instruction according to the network signal quality.
Preferably, the step of generating the selection instruction by the baseband chip according to the network signal quality includes:
when the value of the network signal quality is larger than or equal to a first threshold value, the baseband chip generates a first selection instruction, and the selection switch selects the RF module to establish communication connection with the baseband chip according to the first selection instruction;
and when the value of the network signal quality is smaller than a first threshold value, the baseband chip generates a second selection instruction, and the selection switch selects the LoRA module to establish communication connection with the baseband chip according to the second selection instruction.
Preferably, the step of the baseband chip generating the selection instruction according to the network signal quality further includes:
when the value of the network signal quality is larger than or equal to a first threshold value and the duration time exceeds a preset time length, the baseband chip generates a first selection instruction;
otherwise, the baseband chip generates a second selection instruction.
Preferably, the communication control method further includes:
the selection switch selects the RF module and the baseband chip to establish communication connection by default.
An electronic device comprises the multimode communication module with any combination of the above.
The positive progress effects of the invention are as follows:
the LoRA integrated multimode communication module integrates the LoRA network on the basis of the conventional mobile communication network, deploys the LoRA network within a range of more than several kilometers by utilizing the characteristics of long transmission distance, strong anti-interference capability, small size of infrastructure and nodes/terminals, low power consumption, low cost and license-free frequency band of the LoRA technology, deploys the LoRA network in places where operators in remote mountainous areas, rural environments and the like cannot cover signals, effectively covers areas with poor signal quality such as basements, mountainous areas and the like, has lower investment and maintenance cost, does not transmit data through the operators network to enhance privacy protection, and makes up the defects of the conventional mobile communication network. And the multimode communication module accurately analyzes and judges the signal quality of the mobile communication network, and selects the LoRA network when the network signal quality of the mobile communication network can not meet the requirement, so as to ensure the transmission efficiency, fully exert the performance of the multimode communication module and improve the transmission efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a LoRA-integrated multimode communication module according to embodiment 1 of the present invention.
Fig. 2 is a first flowchart of a communication control method of a LoRA-integrated multimode communication module according to embodiment 2 of the present invention.
Fig. 3 is a second flowchart of a communication control method of the LoRA-integrated multimode communication module according to embodiment 2 of the present invention.
Fig. 4 is a third flowchart of a communication control method of the LoRA-integrated multimode communication module according to embodiment 2 of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1, the present embodiment provides a multi-mode communication module integrated with a LoRA, including a power unit 5, a baseband chip 1, a LoRA module 4, an RF module 3, a selection switch 2, a first filter 6, a second filter 7, an identity recognition unit 8, and a system application interface 9;
the power supply unit 5 is electrically connected with the baseband chip 1, the LoRA module 4 and the RF module 3 respectively;
the selection switch 2 is connected with the baseband chip 1, the RF module 3 is connected with the selection switch 2 through a first filter 6, and the LoRA module 4 is connected with the selection switch 2 through a second filter 7;
the selection switch 2 is used for selecting the LoRA module 4 or the RF module 3 to establish communication connection with the baseband chip 1 according to a selection instruction of the baseband chip 1; the selection switch 2 selects by default the RF module 3 and the baseband chip 1 to establish a communication connection.
The baseband chip 1 is used for continuously acquiring the network signal quality of the RF module 3 and for generating a selection instruction according to the network signal quality.
Specifically, when the value of the network signal quality is greater than or equal to a first threshold, the baseband chip 1 generates a first selection instruction, and the selection switch 2 selects the RF module 3 to establish communication connection with the baseband chip 1 according to the first selection instruction; in this embodiment, the network signal quality may be represented by the network sensitivity Y of the RF module 3 read by the baseband chip 1, at this time, the value of the first threshold corresponds to-Q, and the value of Q may be set by a user according to an actual situation, that is, the network signal quality may be represented by the network sensitivity Y of the RF module 3 read by the baseband chip 1, that is, the value of Q may be set
Y≥-Q(dBm)
When the value of the network signal quality is less than the first threshold, that is
Y＜-Q(dBm)
The baseband chip 1 generates a second selection instruction, and the selection switch 2 selects the LoRA module 4 to establish communication connection with the baseband chip 1 according to the second selection instruction. The conventional mobile communication network provides higher transmission speed, and the coverage rate of network signals is in most living and working areas, so that the mobile communication network is preferentially selected when the network signal quality of the conventional mobile communication network can meet the requirement, and the LoRA network is selected when the network signal quality of the conventional mobile communication network can not meet the requirement, so that the transmission efficiency is ensured, and the performance of the multimode communication module is fully exerted.
Preferably, when the value of the network signal quality is greater than or equal to the first threshold and the duration exceeds the preset time length, the baseband chip 1 generates a first selection instruction; otherwise, the baseband chip 1 generates a second selection instruction. When the network signal quality is always kept good in the preset time period, the network signal quality can be judged to meet the use requirement, the communication network is prevented from being frequently switched due to misjudgment caused by signal fluctuation, the performance of the multimode communication module is enhanced, and the user experience is improved.
The identity recognition unit 8 is in communication connection with the baseband chip 1 and is used for identity verification through a mobile communication network connected with the RF module 3; the multimode communication module transmits data through a mobile communication network, an operator data card inserted in advance is required to identify the identity, real network authentication is carried out according to a corresponding network after the identity is successfully identified, the multimode communication module can successfully reside in the network to carry out data transceiving after the authentication is successful, and further data exchange of an application layer is completed. The identification unit 8 may be a SIM card.
The system application interface 9 is electrically connected with the power supply unit 5 and is in communication connection with the baseband chip 1; the system application interface 9 is used for networking communication and interaction with the upper system application.
In addition, a LoRA gateway needs to be established outside to ensure that the multimode communication module can normally perform data transmission with the LoRA gateway when communicating by using the LoRA network.
The multimode communication module integrated with the LoRA in the embodiment integrates the LoRA network on the basis of a conventional mobile communication network, and deploys the LoRA network in a range exceeding several kilometers by utilizing the characteristics of long transmission distance, strong anti-interference capability, small volumes of infrastructure and nodes/terminals, low power consumption, low cost and license-free frequency bands of the LoRA technology, deploys the LoRA network in places where operators in remote mountainous areas, rural environments and the like cannot cover signals, effectively covers areas with poor signal quality such as basements, mountainous areas and the like, is lower in investment and maintenance cost, does not transmit data through the operators network to enhance privacy protection, and makes up for the defects of the conventional mobile communication network. And the multimode communication module accurately analyzes and judges the signal quality of the mobile communication network, and selects the LoRA network when the network signal quality of the mobile communication network can not meet the requirement, so as to ensure the transmission efficiency, fully exert the performance of the multimode communication module and improve the transmission efficiency.
Example 2
As shown in fig. 2, the present embodiment provides a communication control method of a multi-mode communication module integrated with a LoRA, the communication control method is used for controlling communication of the multi-mode communication module in embodiment 1, and the communication control method includes:
s1, the selection switch selects the RF module and the baseband chip to establish communication connection by default;
s2, the baseband chip continuously acquires the network signal quality of the RF module;
s3, the baseband chip generates a selection instruction according to the network signal quality;
and S4, the selection switch selects the LoRA module or the RF module to establish communication connection with the baseband chip according to the selection instruction.
Specifically, in an implementable scenario, as shown in fig. 3, the step of the baseband chip generating the selection instruction according to the network signal quality includes:
when the value Y of the network signal quality is greater than or equal to the first threshold-Q,
s31, generating a first selection instruction by the baseband chip;
s41, the selection switch selects the RF module to establish communication connection with the baseband chip according to the first selection instruction;
when the value Y of the network signal quality is smaller than the first threshold-Q,
s32, generating a second selection instruction by the baseband chip;
and S42, the selection switch selects the LoRA module to establish communication connection with the baseband chip according to the second selection instruction.
In another implementable scenario, as shown in fig. 4, the step of the baseband chip generating the selection instruction according to the network signal quality further includes:
when the value of the network signal quality is larger than or equal to the first threshold and the duration T exceeds the preset time length, the preset time length is 5s (seconds),
s33, generating a first selection instruction by the baseband chip;
s43, the selection switch selects the RF module to establish communication connection with the baseband chip according to the first selection instruction;
if not, then,
s34, generating a second selection instruction by the baseband chip;
and S44, the selection switch selects the LoRA module to establish communication connection with the baseband chip according to the second selection instruction.
The communication control method in the embodiment accurately analyzes and judges the signal quality of the mobile communication network, the network signal quality is always kept good in a preset time period, the network signal quality can be judged to meet the use requirement at the moment, and the LoRA network is selected when the network signal quality of the mobile communication network cannot meet the requirement, so that the transmission efficiency is ensured, the frequent switching of the communication network due to misjudgment caused by signal fluctuation is avoided, the performance of the multimode communication module is fully exerted, the transmission efficiency is improved, and the user experience is further improved.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (11)
1. The multimode communication module integrated with the LoRA is characterized by comprising a power supply unit, a baseband chip, a LoRA module, an RF module and a selection switch;
the power supply unit is electrically connected with the baseband chip, the LoRA module and the RF module respectively;
the selection switch is respectively connected with the baseband chip, the LoRA module and the RF module;
the selection switch is used for selecting the LoRA module or the RF module to establish communication connection with the baseband chip according to the selection instruction of the baseband chip.
2. The multimode communication module of claim 1, wherein the baseband chip is configured to continuously obtain a network signal quality of the RF module and to generate the selection instruction based on the network signal quality.
3. The multimode communication module of claim 2, wherein when the network signal quality value is greater than or equal to a first threshold, the baseband chip generates a first selection instruction, and the selection switch selects the RF module to establish a communication connection with the baseband chip according to the first selection instruction;
and when the value of the network signal quality is smaller than the first threshold value, the baseband chip generates a second selection instruction, and the selection switch selects the LoRA module to establish communication connection with the baseband chip according to the second selection instruction.
4. The multimode communication module of claim 3, wherein the baseband chip generates a first selection instruction when the network signal quality value is greater than or equal to a first threshold and the duration exceeds a preset time length;
otherwise, the baseband chip generates a second selection instruction.
5. The multimode communication module of claim 1, further comprising a first filter, a second filter,
the RF module is connected with the selection switch through the first filter;
the LoRA module is connected with the selection switch through the second filter;
and/or the presence of a gas in the gas,
the multimode communication module further comprises an identity recognition unit,
the identity recognition unit is in communication connection with the baseband chip and is used for identity verification through a mobile communication network connected with the RF module;
and/or the presence of a gas in the gas,
the multimode communication module further comprises a system application interface,
the system application interface is electrically connected with the power supply unit and is in communication connection with the baseband chip;
the system application interface is used for networking communication and interaction with an upper system application;
and/or the presence of a gas in the gas,
the selection switch selects the RF module and the baseband chip to establish communication connection by default.
6. A communication control method of a LoRA-integrated multimode communication module, the communication control method being configured to control communication of the multimode communication module according to any one of claims 1-5, the communication control method comprising:
the baseband chip generates a selection instruction;
and the selection switch selects the LoRA module or the RF module to establish communication connection with the baseband chip according to the selection instruction.
7. The communication control method according to claim 6, wherein the step of the baseband chip generating the selection instruction includes:
the baseband chip continuously acquires the network signal quality of the RF module;
and the baseband chip generates the selection instruction according to the network signal quality.
8. The communication control method of claim 7, wherein the step of the baseband chip generating the selection instruction according to the network signal quality comprises:
when the value of the network signal quality is larger than or equal to a first threshold value, the baseband chip generates a first selection instruction, and the selection switch selects the RF module to establish communication connection with the baseband chip according to the first selection instruction;
and when the value of the network signal quality is smaller than a first threshold value, the baseband chip generates a second selection instruction, and the selection switch selects the LoRA module to establish communication connection with the baseband chip according to the second selection instruction.
9. The communication control method of claim 8, wherein the step of the baseband chip generating the selection instruction according to the network signal quality further comprises:
when the value of the network signal quality is larger than or equal to a first threshold value and the duration time exceeds a preset time length, the baseband chip generates a first selection instruction;
otherwise, the baseband chip generates a second selection instruction.
10. The communication control method according to claim 6, wherein the communication control method further comprises:
the selection switch selects the RF module and the baseband chip to establish communication connection by default.
11. An electronic device, characterized in that it comprises a multimode communication module according to any one of claims 1 to 5.
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