CN209823754U - All-in-one dual-mode LORA base station - Google Patents
All-in-one dual-mode LORA base station Download PDFInfo
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- CN209823754U CN209823754U CN201921013916.5U CN201921013916U CN209823754U CN 209823754 U CN209823754 U CN 209823754U CN 201921013916 U CN201921013916 U CN 201921013916U CN 209823754 U CN209823754 U CN 209823754U
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- 238000004891 communication Methods 0.000 claims abstract description 66
- 238000012545 processing Methods 0.000 claims abstract description 14
- 229910052741 iridium Inorganic materials 0.000 claims description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 3
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- JCYWCSGERIELPG-UHFFFAOYSA-N imes Chemical compound CC1=CC(C)=CC(C)=C1N1C=CN(C=2C(=CC(C)=CC=2C)C)[C]1 JCYWCSGERIELPG-UHFFFAOYSA-N 0.000 description 1
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Abstract
The embodiment of the utility model provides an integrative bimodulus LORA basic station heaven and earth, include: the system comprises a core data processing unit, an LORA unit, a satellite communication unit, a ground communication unit, a satellite positioning unit, a hardware encryption unit, a local storage unit and a power supply unit; the LORA unit, the satellite communication unit, the ground communication unit, the satellite positioning unit, the hardware encryption unit, the local storage unit and the power supply unit are respectively connected with the core data processing unit; the LORA unit, the satellite communication unit, the ground communication unit, the satellite positioning unit, the hardware encryption unit and the local storage unit are respectively connected with the power supply unit.
Description
Technical Field
The invention relates to the field of wireless data transmission, in particular to a heaven-earth integrated dual-mode LORA base station.
Background
A Base Station (BS), i.e., a public mobile communication Base Station, is a form of a radio Station, which refers to a radio transceiver Station for information transmission with a mobile phone terminal through a mobile communication switching center in a certain radio coverage area.
Long Range radio (long Range radio) is a low power consumption local area network wireless standard created by semtech corporation, low power consumption is generally difficult to cover long distance, and long distance is generally high in power consumption. The LORA is characterized in that the LORA has a longer propagation distance than other wireless modes under the same power consumption condition, realizes the unification of low power consumption and long distance, and has an expanded distance by 3-5 times compared with the traditional wireless radio frequency communication under the same power consumption condition. LoRa and LoRaWan are easily confused. LoRa is a subset of LoRaWan, which includes only the physical layer definition, and also the link layer.
The technical scheme of the existing LORA base station is mainly developed based on a 4G module of a ground network, the base station is downward compatible with 2/3G and the like (4G full network communication), part of products simultaneously support Ethernet connection, the LORA node uploads data to the LORA base station in a wireless mode, the base station transmits the data to a server through a public network (4G network), the server transmits the data to a cloud platform, and a user can remotely monitor the real-time state of downstream equipment connected with the downstream LORA node through the cloud platform. The existing LORA base station scheme has the following disadvantages: first, the communication method mainly uses the ground network technology, and is limited by the coverage of the ground base station. Because the base station has high construction cost and needs power supply and maintenance, the coverage range of the ground network base station is actually very limited at present, most of the coverage areas cover cities and towns, and the base station covers vast places without ground network signal coverage such as mountains, outdoors, seas and the like. Second, there are data security issues.
Disclosure of Invention
In order to solve the above problem, the present application provides a dual-mode LORA base station integrated with sky and earth, wherein the base station includes: the system comprises a core data processing unit, an LORA unit, a satellite communication unit, a ground communication unit, a satellite positioning unit, a hardware encryption unit, a local storage unit and a power supply unit; wherein,
the LORA unit, the satellite communication unit, the ground communication unit, the satellite positioning unit, the hardware encryption unit, the local storage unit and the power supply unit are respectively connected with the core data processing unit;
the LORA unit, the satellite communication unit, the ground communication unit, the satellite positioning unit, the hardware encryption unit and the local storage unit are respectively connected with the power supply unit.
Further, the satellite communication unit includes: an iridium satellite communication module, an OGi satellite communication module, a Beidou satellite communication module, an ARGOS satellite communication module, or any combination thereof.
Further, the core data processing unit comprises a main control chip, a DDR and a local storage unit.
Furthermore, the satellite communication unit adopts OGi satellite communication module, and the OGi satellite communication module directly connects with the main control chip through the UART port.
Further, the ground communication unit includes: a 2G module, a 3G module, a 4G module, a 5G module, an Ethernet module, or any combination thereof.
Further, the satellite positioning unit includes: a GPS module, a Beidou positioning module, a GLONASS module, or any combination thereof.
Furthermore, the satellite positioning unit adopts an Ublox MAX-M8 module.
Further, the hardware encryption unit adopts a low-power hardware encryption chip.
Further, the LORA unit includes: the antenna comprises a baseband chip SX1301 or SX1308 and radio frequency transceiver chips SX1255 and/or SX1257 matched with the baseband chip.
Further, the base station further comprises an external interface unit, wherein the external interface unit comprises a Wi-Fi module, a Bluetooth module and/or a USB interface.
The heaven-earth integrated dual-mode LORA base station integrates the satellite communication module and the ground communication module, adopts a heaven-earth integrated design, and solves the problem that the existing LORA base station is limited by ground network coverage when a data uploading platform is used; hardware encryption is supported to ensure data security.
Drawings
Fig. 1 is a structural block diagram of a heaven-earth integrated dual-mode LORA base station according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments; it should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a heaven-earth integrated dual-mode LORA base station, referring to fig. 1, including: the system comprises a core data processing unit, an LORA unit, a satellite communication unit, a ground communication unit, a satellite positioning unit, a hardware encryption unit, a local storage unit and a power supply unit; the LORA unit, the satellite communication unit, the ground communication unit, the satellite positioning unit, the hardware encryption unit, the local storage unit and the power supply unit are respectively connected with the core data processing unit; the LORA unit, the satellite communication unit, the ground communication unit, the satellite positioning unit, the hardware encryption unit and the local storage unit are respectively connected with the power supply unit.
In an alternative embodiment, the satellite communication unit comprises: an iridium satellite communication module, an OGi satellite communication module, a Beidou satellite communication module, an ARGOS satellite communication module, or any combination thereof.
In an optional embodiment, the core data processing unit comprises a main control chip, a DDR and a local storage unit.
In an optional embodiment, the satellite communication unit adopts OGi satellite communication module, and the OGi satellite communication module is directly connected with the main control chip through a UART port.
In an alternative embodiment, the surface communication unit comprises: a 2G module, a 3G module, a 4G module, a 5G module, an Ethernet module, or any combination thereof.
In an alternative embodiment, the satellite positioning unit comprises: a GPS module, a Beidou positioning module, a GLONASS module, or any combination thereof.
In an alternative embodiment, the satellite positioning unit employs an ubox MAX-M8 module.
In an optional embodiment, the hardware encryption unit adopts a low-power hardware encryption chip.
In an alternative embodiment, the LORA unit includes: the antenna comprises a baseband chip SX1301 or SX1308 and radio frequency transceiver chips SX1255 and/or SX1257 matched with the baseband chip.
In an optional embodiment, the base station further comprises an external interface unit comprising a Wi-Fi module, a bluetooth module and/or a USB interface.
The heaven-earth integrated dual-mode LORA base station integrates the satellite communication module and the ground communication module, adopts a heaven-earth integrated design, and solves the problem that the existing LORA base station is limited by ground network coverage when a data uploading platform is used; hardware encryption is supported to ensure data security.
Example (b): a heaven-earth integrated dual-mode LORA base station mainly comprises five parts:
the first is a core data processing unit of a base station: the memory comprises a main control chip MT7620A and a DDR local storage unit. The main control chip adopts a forwarding technology MT7620A, and integrates an 802.11n Wi-Fi transceiver, a 580MHz central processing unit, a high-speed Ethernet port physical layer, a HNAT, a memory accelerator, a USB2.0 and a plurality of slow input/output (I/O). The DDR is purple DDR 2-SCN 18T1G160 AF.
Second, the LORA radio frequency front end: the baseband chip adopts SX1301 (or SX1308) of a Semtech original factory, and the SX1301 digital baseband chip is a huge digital signal processing engine and is specially designed for providing breakthrough gateway capability in the global ISM frequency band. The radio frequency driver selects 2 SX1255/SX1257 matched baseband chips, and the SX1255/SX1257 can be flexibly matched (the frequency bands of the two drivers are different). Support standard LoRaWAN protocol: ClassA, ClassB, ClassC. Defaulting to 8 uplink channels and 1 downlink channel (the number of uplink channels supports extension to satisfy hanging more downstream LORA nodes).
And thirdly, an uplink channel part of the base station. The uplink channel part is subdivided into a satellite communication unit and a ground network communication unit. Considering the practical problems of the number of nodes supported by LORA networking, networking real-time performance, concurrency and the like, the OGI satellite communication module is selected by the satellite communication unit in priority, and the module is directly connected with the main control chip through a UART port. The ground communication unit selects a 4G module M8321 of the transfer Internet of things. Meanwhile, the main control chip MT7620A supports ethernet output and WIFI.
And fourthly, a satellite positioning unit. The unit adopts an Ublox MAX-M8 GNSS module, the module is miniaturized and has low power consumption, and can simultaneously receive up to three GNSS systems: GPS/Galileo, Beidou, or GLONASS. The MAX-M8 module can identify multiple constellations simultaneously, providing excellent positioning accuracy in urban canyons or weak signals. These modules provide high performance even at low power consumption levels. For better and faster positioning improvement, the MAX-M8 module supports QZSS, IMES enhancements along with WAAS, EGNOS, MSAS, GAGAN. The base station can report the local GPS information to the server and the platform, so that the base station management and the global deployment are facilitated.
And fifthly, an external interface unit. The external interface unit comprises a WIFI/USB interface for connecting the handset and upgrading the firmware of the base station, and two WIFI/USB interfaces are reserved in consideration of different installation scenes. The external interface unit also comprises an Ethernet port for supporting the reporting of Ethernet data.
The main communication flow of the base station is divided into two flows, one is from a downstream LORA node of the base station to the LORA base station; one is the LORA base station to the server or platform (core of the present invention). After the data reported by the downstream LORA node is completely transmitted to the base station, the base station encrypts and stores local hardware, and uploads the encrypted data (including GPS data of the base station) to a server or a cloud platform through a satellite network or a ground network. Considering that the cost of the satellite network is relatively expensive, the ground network is preferentially adopted for data reporting in the default state of the system, and the system is automatically switched to the satellite communication mode when the ground network communication signals cannot be detected or the ground network signals are poor.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (12)
1. A heaven-earth integrated dual mode LORA base station, the base station comprising: the system comprises a core data processing unit, an LORA unit, a satellite communication unit, a ground communication unit, a satellite positioning unit, a hardware encryption unit, a local storage unit and a power supply unit; wherein,
the LORA unit, the satellite communication unit, the ground communication unit, the satellite positioning unit, the hardware encryption unit, the local storage unit and the power supply unit are respectively connected with the core data processing unit;
the LORA unit, the satellite communication unit, the ground communication unit, the satellite positioning unit, the hardware encryption unit and the local storage unit are respectively connected with the power supply unit.
2. The base station of claim 1, wherein the satellite communication unit comprises: an iridium satellite communication module, an OGi satellite communication module, a Beidou satellite communication module, an ARGOS satellite communication module, or any combination thereof.
3. The base station of claim 1 or 2, wherein the core data processing unit comprises a main control chip, a DDR and a local storage unit.
4. The base station as claimed in claim 3, wherein the satellite communication unit employs OGi satellite communication modules, and the OGi satellite communication module is directly connected to the main control chip through a UART port.
5. The base station of claim 1, wherein the terrestrial communication unit comprises: a 2G module, a 3G module, a 4G module, a 5G module, an Ethernet module, or any combination thereof.
6. The base station of claim 1, wherein the satellite positioning unit comprises: a GPS module, a Beidou positioning module, a GLONASS module, or any combination thereof.
7. The base station of claim 1 or 6, wherein the satellite positioning unit employs an ubmax-M8 module.
8. The base station of claim 1, wherein the hardware encryption unit employs a low-power hardware encryption chip.
9. The base station of claim 1, wherein the LORA unit comprises: the antenna comprises a baseband chip SX1301 or SX1308 and radio frequency transceiver chips SX1255 and/or SX1257 matched with the baseband chip.
10. The base station according to any one of claims 1, 2, 4 to 6, 8 and 9, wherein the base station further comprises an external interface unit, and the external interface unit comprises a Wi-Fi module, a bluetooth module and/or a USB interface.
11. The base station of claim 3, further comprising an external interface unit comprising a Wi-Fi module, a bluetooth module, and/or a USB interface.
12. The base station of claim 7, further comprising an external interface unit comprising a Wi-Fi module, a bluetooth module, and/or a USB interface.
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