CN218473413U

CN218473413U - High-sensitivity gateway supporting AM-FSK based on software radio

Info

Publication number: CN218473413U
Application number: CN202220766953.9U
Authority: CN
Inventors: 吴颖哲; 陈大灿
Original assignee: Zifisense Xiamen Co ltd
Current assignee: Zifisense Xiamen Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2023-02-10
Anticipated expiration: 2032-03-31

Abstract

A software radio based AM-FSK enabled high sensitivity gateway, characterized by: the system comprises a POE power supply, a power management module I, a power management module II, a main controller, a microprocessor, a 4G module, a GPS module, an FPGA, a programmable radio frequency transceiver, a PA/LNA module, an antenna and a network interface; the utility model discloses a gateway adopts the scheme of main control unit + FPGA (programmable logic device) + programmable radio frequency transceiver, through software radio mode and specific algorithm, realizes AM-FSK's modulation and demodulation, adapts to AM-FSK terminal equipment to realize the high sensitivity communication, reduce the network deployment cost.

Description

High-sensitivity gateway supporting AM-FSK based on software radio

Technical Field

The utility model relates to the field of communications, in particular to high sensitivity gateway based on software radio supports AM-FSK.

Background

The communication equipment gateway in the market at present mainly adopts a standard modulation mode and a standard module, the supported modulation mode and equipment are limited, the AM-FSK technology and equipment thereof cannot be applied, and the high sensitivity brought by the technology cannot be realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high sensitivity gateway based on support AM-FSK of software radio realizes AM-FSK's modulation and demodulation, adapts to AM-FSK terminal equipment to realize the high sensitivity communication, reduce the network deployment cost.

The technical scheme of the utility model: a software radio based AM-FSK enabled high sensitivity gateway, characterized by: the system comprises a POE power supply, a power management module I, a power management module II, a main controller, a microprocessor, a 4G module, a GPS module, an FPGA, a programmable radio frequency transceiver, a PA/LNA module, an antenna and a network interface; the main controller of the gateway transmits data through the network port or the 4G module and the background server; the main controller is connected with the microprocessor; the FPGA is a programmable logic device and is connected with the microprocessor; the programmable radio frequency transceiver is connected with the FPGA; the programmable radio frequency transceiver is connected with the PA/LNA module; the PA/LNA module is connected with the antenna; the POE power supply is connected with the network port and is connected with an external power supply through the network port to supply power to the whole gateway; the POE power supply is respectively connected with the power management module I and the power management module II; the power management module I is connected with the main controller; the power supply management module II is connected with the FPGA; the POE power supply supplies power to the main controller and the microprocessor through the power management module I, and supplies power to the FPGA, the programmable radio frequency transceiver, the PA/LNA module and the antenna through the power management module II.

Further, the PA/LNA module includes a power amplifier, a low noise amplifier.

Further, the main controller, the microprocessor and the FPGA are communicated through the SPI.

Further, the FPGA and the programmable radio frequency transceiver communicate through LVDS.

The utility model has the advantages that: (1) The gateway of the utility model adopts the scheme of the main controller + FPGA (programmable logic device) + programmable radio frequency transceiver, realizes the modulation and demodulation of AM-FSK through a software radio mode and a specific algorithm, adapts to AM-FSK terminal equipment, thereby realizing high-sensitivity communication and reducing networking cost; (2) The utility model discloses a gateway has configured FPGA (programmable logic device), and FPGA (programmable logic device) has powerful high-speed logic throughput, and data and order pass through FPGA and handle the back, and the mode that utilizes the software radio is through the radio frequency transceiver able to programme, carries out the modulation and the demodulation of carrier data, realizes AM-FSK debugging mode, and then reaches this modulation technique's high sensitivity and anti-jamming characteristics. (3) The gateway of the utility model adopts a software radio mode and is matched with the advanced algorithm of FPGA, thus realizing AM-FSK modulation and high-sensitivity receiving; (4) The utility model discloses dispose 4G module and GPS module, realized gateway networking and locate function.

Drawings

Fig. 1 is a schematic block diagram of the present invention.

Detailed Description

As shown in the figure: a high-sensitivity gateway supporting AM-FSK based on software radio adopts a software radio mode, and comprises a POE power supply 1, a power management module I2, a power management module II 3, a main controller 4, a microprocessor 5, a 4G module 6, a GPS module 7, an FPGA8, a programmable radio frequency transceiver 9, a PA/LNA module 10, an antenna 11 and a network interface 12; the main controller 4 of the gateway transmits data with the background server through the internet access 12 or the 4G module 6; the main controller 4 is connected with the microprocessor 5; the FPGA8 is a programmable logic device and is connected with the microprocessor 5; the programmable radio frequency transceiver 9 is connected with the FPGA 8; the programmable radio frequency transceiver 9 is connected with the PA/LNA module 10; the PA/LNA module 10 is connected with the antenna 11; the POE power supply 1 is connected with the network port 12 and is connected with an external power supply through the network port 12 to supply power to the whole gateway; the POE power supply 1 is respectively connected with a power management module I2 and a power management module II 3; the power management module I2 is connected with the main controller 4; the power supply management module II 3 is connected with the FPGA 8; POE power 1 passes through power management module I2 and supplies power for main control unit 4, microprocessor 5, supplies power for FPGA8, programmable radio frequency transceiver 9, PA/LNA module 10, antenna 11 through power management module II 3.

The PA/LNA module 10 includes a power amplifier, a low noise amplifier.

And the main controller 4, the microprocessor 5 and the FPGA8 are communicated through the SPI.

The FPGA8 and the programmable radio frequency transceiver 9 communicate via LVDS.

The utility model discloses a gateway possesses the function of sending and receiving data, is going upward and down of data respectively, and the going upward of data is sent the gateway by terminal equipment, and the down of data is sent terminal equipment by the gateway. Data uplink: the antenna receives signals transmitted by the terminal equipment and transmits the signals to the PA/LNA module, the signals are amplified by a low noise amplifier in the PA/LNA module and then transmitted to the programmable radio frequency transceiver, the programmable radio frequency transceiver transmits the signals to the FPGA, the FPGA transmits the signals to the microprocessor, the microprocessor transmits the signals to the main controller, and the main controller transmits the signals to the server through the 4G module or the network port. Data downlink: the main controller receives signals of the server through the 4G module or the network port and transmits the signals to the microprocessor, the microprocessor transmits the signals to the FPGA, the FPGA transmits the signals to the programmable radio frequency transceiver, the programmable radio frequency transceiver transmits the signals to the PA/LNA module, a power amplifier in the PA/LNA module amplifies the signals and transmits the amplified signals to the antenna, and finally the amplified signals are transmitted to the terminal equipment through the antenna.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A software radio based AM-FSK enabled high sensitivity gateway, characterized by: the system comprises a POE power supply, a power management module I, a power management module II, a main controller, a microprocessor, a 4G module, a GPS module, an FPGA, a programmable radio frequency transceiver, a PA/LNA module, an antenna and a network interface; the main controller of the gateway transmits data through the internet access or the 4G module and the background server; the main controller is connected with the microprocessor; the FPGA is a programmable logic device and is connected with the microprocessor; the programmable radio frequency transceiver is connected with the FPGA; the programmable radio frequency transceiver is connected with the PA/LNA module; the PA/LNA module is connected with the antenna; the POE power supply is connected with the network port and is connected with an external power supply through the network port to supply power to the whole gateway; the POE power supply is respectively connected with the power management module I and the power management module II; the power management module I is connected with the main controller; the power management module II is connected with the FPGA; the POE power supply supplies power to the main controller and the microprocessor through the power management module I, and supplies power to the FPGA, the programmable radio frequency transceiver, the PA/LNA module and the antenna through the power management module II.

2. The AM-FSK enabled high sensitivity gateway based on software defined radio of claim 1, wherein: the PA/LNA module comprises a power amplifier and a low noise amplifier.

3. The AM-FSK enabled high sensitivity gateway based on software defined radio of claim 1, wherein: and the main controller, the microprocessor and the FPGA are communicated through the SPI.

4. The AM-FSK enabled high sensitivity gateway based on software defined radio of claim 1, wherein: the FPGA and the programmable radio frequency transceiver communicate through LVDS.