CN212969698U

CN212969698U - 5G wireless router development board

Info

Publication number: CN212969698U
Application number: CN202021996940.8U
Authority: CN
Inventors: 田昊; 贺湘平
Original assignee: Shenzhen Bococom Co ltd
Current assignee: Shenzhen Bococom Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-04-13
Anticipated expiration: 2030-09-14

Abstract

The embodiment of the utility model discloses 5G wireless router development board, include: main control module, HUB circuit, 5G module, PCIE slot, main control module with the 5G module is inserted two respectively in the PCIE slot, main control module passes through the HUB circuit with the 5G module links to each other, 5G module and HUB module both way junction connect different modules through the interface of various differences, and interface function is comprehensive, contains the function and some extended function of the development board on current market, and this neotype purpose is for the development of the various scenes of adaptation: development and debugging of a common wireless router, development and debugging of serial port communication, development and debugging of a 5G function, development and debugging of a GPS function and the like.

Description

5G wireless router development board

Technical Field

The utility model relates to the field of communication technology, especially, relate to a 5G wireless router development board.

Background

Common development boards include 51, ARM, FPGA and DSP lamp development boards. The development board (board) is a circuit board for embedded system development, and includes a series of hardware components such as a central processing unit, a memory, an input device, an output device, a data path/bus, and an external resource interface. In a general embedded system development process, hardware is generally divided into two platforms, one is a development platform (host), and the other is a target platform (target), i.e. a development board.

However, the interface types of the current development board are few, and the function is single.

SUMMERY OF THE UTILITY MODEL

To above-mentioned technical problem, the first aspect of the present invention provides a 5G wireless router development board, the development board includes: the intelligent control device comprises a main control module, a HUB circuit, a 5G module and PCIE slots, wherein the main control module and the 5G module are respectively inserted into the two PCIE slots, the main control module is connected with the 5G module through the HUB circuit, and the 5G module is connected with the HUB module in a two-way mode.

Optionally, the development board further includes a memory module, and the memory module is connected to the main control module and performs bidirectional communication with the main control module.

Optionally, the development board further includes a universal interface, and the universal interface is bidirectionally connected to the main control module.

Optionally, the model of the master chip in the master control module adopts an MT7628 chip.

Optionally, the 5G module further includes at least 2 5G antennas, and the at least 2 5G antennas are bidirectionally connected to the 5G module.

Optionally, the development board further includes a WiFi antenna connected to the BC621F module, and the WiFi antenna is a 2.4G antenna of 2T 2R.

Optionally, the development board further comprises a minisim card slot and a TF card slot, the minisim card is inserted into the minisim card slot, and the circuitry of the minisim card is in circuit connection with the 5G module, and the 5G module provides signals and power; and a TF card is inserted into the TF card slot, and the TF card is in two-way communication with the main control module.

Optionally, the development board further includes a power module, and the power module supplies power to the main control module and the 5G module.

Optionally, the development board further comprises a step-down transformer module, wherein the step-down transformer module is used for converting 7V-35V voltage of the power module into 3.3V to supply power to the main control module;

and converting the 7V-35V voltage of the power supply module into 3.8V voltage to supply power to the 5G module.

Optionally, the development board further comprises: SPI serial interface, RS232/485 interface and GPS module.

The embodiment of the utility model provides an among the technical scheme who provides, provide a 5G wireless router development board, include: main control module, HUB circuit, 5G module, PCIE slot, main control module with the 5G module is inserted two respectively in the PCIE slot, main control module passes through the HUB circuit with the 5G module links to each other, 5G module and HUB module both way junction connect different modules through the interface of various differences, and interface function is comprehensive, contains the function and some extended function of the development board on current market, and this neotype purpose is for the development of the various scenes of adaptation: development and debugging of a common wireless router, development and debugging of serial port communication, development and debugging of a 5G function, development and debugging of a GPS function and the like.

Drawings

Fig. 1 is a schematic structural diagram of a 5G wireless router development board provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a development board of another 5G wireless router according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a development board of another 5G wireless router according to an embodiment of the present invention;

reference numerals:

101-a master control module; 102-a power supply module; 103-a step-down voltage transformation module;

104-5G module; 105-PCIE interface; 106-a GPS module;

107-ethernet interface; 108-a memory module; 109-a generic interface;

110-minisim card slot; a 111-TF module;

112-SPI serial interface; 113-RS232/485 interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a schematic structural diagram of a 5G wireless router development board, which at least includes: the intelligent HUB comprises a main control module 101, a HUB circuit (module) 114, a 5G module 104 and PCIE slots 105, wherein the main control module 101 and the 5G module 104 are respectively inserted into the two PCIE slots 105, the main control module 101 is connected with the 5G module 104 through the HUB circuit 114, and the 5G module 104 is in bidirectional connection with the HUB module 114.

Specifically, the main control module 101 includes an MT7628 chip, specifically, an 802.11n MAC and baseband, 2.4GHz radio and FEM, 575/580MHz MIPS 24K^TMCPU core, 5 port 10/100 fast ethernet switch.

MT7628 includes all that is required. The DED of the AP router is constructed from a single chip. The embedded high-performance CPU can handle high-level applications such as routing, security, and VoIP without difficulty. MT7628 also contains a series of interfaces, applications, that support various APPLs, such as a usb port for accessing external storage.

The PCI Express interface is also used in various other standards, most notably ExpressCard as an expansion card interface of a notebook computer and SATA Express as a storage interface of a computer.

The PCI Express 2.0 specification has made significant upgrades in data transmission speed, from a previous doubling of 2.5GT/s bus frequency to 5GT/s, which means that the PCI Express 2.0x16 interface was able to double to a surprising 8GB/s bus bandwidth (1GB/s to 8 Gbps). PCI Express Mini cards based on PCI Express (also known as Mini PCI Express, Mini PCIe, Mini PCI-E, mPCie and PEM) are alternatives to Mini PCI form factor.

Ethernet (Ethernet) is currently the most widely used lan communication method and is also a protocol. The ethernet interface is a port for network data connection, and can be connected to an internet device through a network cable.

The fifth Generation mobile communication technology (english: 5th Generation mobile networks or 5th Generation with less systems, 5th-Generation, 5G or 5G technology for short) is the latest Generation cellular mobile communication technology, and is also an extension following 4G (LTE-A, WiMax), 3G (UMTS, LTE) and 2G (gsm) systems. The performance goals of 5G are high data rates, reduced latency, energy savings, reduced cost, increased system capacity, and large-scale device connectivity. The first phase of the 5G specification in Release-15 was to accommodate early commercial deployments. The second phase of Release-16 will be completed in month 4 of 2020 and is submitted to the International Telecommunications Union (ITU) as a candidate for IMT-2020 technology. The ITU IMT-2020 specification requires speeds up to 20Gbit/s, and can implement wide channel bandwidth and large capacity MIMO.

The peak rate needs to reach the standard of Gbit/s to meet the requirements of high-definition video, virtual reality and other large data volume transmission.

The air interface delay level needs about 1ms, and real-time application such as automatic driving, telemedicine and the like is met.

The ultra-large network capacity provides the connecting capacity of billions of devices and meets the communication of the Internet of things.

The frequency spectrum efficiency is improved by more than 10 times compared with LTE.

Under continuous wide area coverage and high mobility, the user experience rate reaches 100 Mbit/s.

The flow density and the connection number density are greatly improved.

The system is cooperative, the intelligent level is improved, and the system is represented by multi-user, multi-point, multi-antenna and multi-shooting cooperative networking and flexible and automatic adjustment among networks.

The above is the key to distinguish 5G from previous generations of mobile communications, which is the result of a gradual shift in mobile communications from technology-centric to user-centric.

The embodiment of the utility model provides a 5G wireless router development board, include: main control module, HUB circuit, 5G module, PCIE slot, main control module with the 5G module is inserted two respectively in the PCIE slot, main control module passes through the HUB circuit with the 5G module links to each other, 5G module and HUB module both way junction connect different modules through the interface of various differences, and interface function is comprehensive, contains the function and some extended function of the development board on current market, and this neotype purpose is for the development of the various scenes of adaptation: development and debugging of a common wireless router, development and debugging of serial port communication, development and debugging of a 5G function, development and debugging of a GPS function and the like.

The present invention further provides a supplementary description of the 5G wireless router development board provided in the above embodiments.

Specifically, the model of the master chip in the master control module adopts an MT7628 chip.

Optionally, the development board further includes an ethernet interface 107, and the ethernet interface 107 is connected to the main control module 101.

Optionally, the development board further comprises a memory module 108, the memory module is connected to the main control module and performs bidirectional communication with the main control module.

Optionally, the development board further includes a universal interface 109, and the universal interface is bidirectionally connected to the main control module.

GPIO (english-General-purpose input/output), which is abbreviated as General-purpose input/output, is P0-P3 with functions similar to 8051, and its PIN can be freely used by a user through program control, and the PIN can be used as General-purpose input (GPI) or General-purpose output (GPO) or General-purpose input and output (GPIO) according to practical considerations, such as when clk generator, chip select, etc.

Since one pin can be used for input, output or other special functions, there must be a register to select these functions. For input, the high and low of the pin potential can be determined by reading a certain register; for output, a certain register can be written to make the pin output a high potential or a low potential; for other special functions, there are additional registers to control them.

Specifically, 2T2R is a novel wireless technology, and in a traditional wireless network product, mostly 1T1R, for a simple explanation, a single antenna is responsible for receiving and transmitting signals, and its information load capacity is large, so that a bottleneck occurs in the transmission rate of the local area network, which can only provide 11G IEEE transmission standard, and the bandwidth of the local area network is 54M. The 2T2R adopts a dual-antenna technology, and the two antennas are respectively responsible for receiving and transmitting, and in a broad sense, the two antennas can be understood as dual-channel transmission, so that the transmission efficiency of the local area network can be improved by 50% or even more than 100%, and thus the transmission speed can reach 11G IEEE, and the local area network rate can reach 150M-300M, and the selection of 2T2R wireless network equipment is a better choice today when network applications are increasingly developed.

Optionally, the development board further comprises a minisim card slot 110 and a TF card slot 111, the minisim card is inserted into the minisim card slot, and the circuitry of the minisim card is in circuit connection with the 5G module, and the 5G module provides signals and power; and a TF card is inserted into the TF card slot, and the TF card is in two-way communication with the main control module.

In particular, SPI (Serial Peripheral interface) is a high-speed, full-duplex, synchronous communication bus with simple and easy-to-use characteristics.

An RS232 interface:

one of the computer communication interfaces, the RS-232 interface, usually appears in the form of 9 pins (DB-9) or 25 pins (DB-25), and there are two sets of RS-232 interfaces, called COM1 and COM2, on a typical personal computer.

The connector used a 25-pin plug receptacle model DB-25. Some devices interface with the RS-232 interface of the PC because no other party is used to transmit control signals, only three interface lines are required, namely "send data", "receive data" and "signal ground". Therefore, the DB-9 core plug base is adopted, and the transmission line adopts a shielded twisted pair.

1. RS 232: the RS232 transmission distance is limited, the maximum transmission distance standard value is 15 meters, only point-to-point communication can be achieved, and the maximum transmission speed is 20kB/s at most.

2. RS 485: the maximum wireless transmission distance of the RS485 is 1200 m. The maximum transmission rate is 10Mbps, and the maximum communication distance can be achieved at a transmission rate of 100 Kb/S.

1800 m | can be achieved by using impedance-matched, low-attenuation, dedicated cables! Over 1200 meters, repeaters (up to 8) may be added, so that the transmission distance is close to 10 Km.

With reference to fig. 2 and fig. 3, the 7-35V power supply, after voltage reduction, enters the first PCI-E/m.2 slot, which is connected as the main control module and the main chip is MT7621 mips CPU. The I/O control circuit is bidirectionally connected with the main chip. The flash \ SDRAM (memory) is connected with the main chip in two directions. The peripheral interface, such as network port, is connected to the CPU via the network transformer.

USB hub: the second PCI-E slot is a 5G module slot, and the 5G module is in bidirectional connection with the main chip through a USB HUB. And the peripheral USB interface is in bidirectional connection with the main chip through the USB HUB. The MircoUSB interface is connected with the main chip in a bidirectional mode through the USB HUB. The USB3.0 and the M.2 connector are connected with the 5G module.

COM port and GPS: the COM1 port (DB9 interface female head) and the main chip are in bidirectional connection through a level conversion chip SP3232EE, the COM2 port (DB9 interface female head) and the main chip are in bidirectional connection through a level conversion chip RS485, 4 pins of Uart0 on a board are connected with a chip debugging serial port, and the serial port 1 realizes switching between a GPS and the COM 1. The GPS module + COM1 or COM1+ COM2 can be enabled simultaneously.

An antenna: the wifi antenna is connected with the BC621F module in a bidirectional mode and is a 2.4G antenna of 2T 2R. The 5G antenna is bidirectionally connected with the 5G module.

The places on the back of the development board corresponding to the second PCI-E slot are a tf card slot and a sim card slot. The SIM card circuit is connected with the 5G module circuit, and the 5G module provides signals and power supply. The TF card circuit is bidirectionally connected with the main chip.

The embodiment of the utility model provides a belong to linux embedded development, interface function is comprehensive. The development board comprises functions and some extended functions of the existing market development board, 3 Ethernet interfaces, 3 serial ports (one is used for system debugging and two are used for data communication), a 5G module interface, a USB interface, a tf card interface, a SIM card interface, a mirco USB interface, a GPIO (general purpose input/output) custom interface and a GPS (global positioning system) module interface. The utility model discloses a development of various scenes of purpose for the adaptation: development and debugging of a common wireless router, development and debugging of serial port communication, development and debugging of a 5G function, development and debugging of a GPS function and the like.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A 5G wireless router development board, the development board comprising: the intelligent control device comprises a main control module, a HUB circuit, a 5G module and PCIE slots, wherein the main control module and the 5G module are respectively inserted into the two PCIE slots, the main control module is connected with the 5G module through the HUB circuit, and the 5G module is connected with the HUB module in a two-way mode.

2. The development board of claim 1, further comprising a memory module coupled to the host control module in bidirectional communication with the host control module.

3. The development board of claim 1, further comprising a universal interface that interfaces bi-directionally with the master control module.

4. The development board as claimed in claim 1, wherein the master chip model in the master control module is MT7628 chip.

5. The development board of claim 1, wherein the 5G module further comprises at least 2 5G antennas, the at least 2 5G antennas being bi-directionally connected with the 5G module.

6. The development board of claim 1, further comprising a WiFi antenna connected to the BC621F module, wherein the WiFi antenna is a 2.4G antenna of 2T 2R.

7. The development board according to claim 1, wherein the development board further comprises a minisim card slot into which a minisim card is inserted and circuits of the minisim card are connected with 5G module circuits, and signals and power are provided by the 5G module; and a TF card is inserted into the TF card slot, and the TF card is in two-way communication with the main control module.

8. The development board of claim 1, further comprising a power module that powers the main control module and the 5G module.

9. The development board according to claim 8, further comprising a step-down transformer module, wherein the step-down transformer module is used for converting 7V-35V voltage of a power supply module into 3.3V to supply power to the main control module;

10. The development board of claim 1, further comprising: SPI serial interface, RS232/485 interface and GPS module.