CN111385913A

CN111385913A - Communication terminal for self-organizing network

Info

Publication number: CN111385913A
Application number: CN201811643309.7A
Authority: CN
Inventors: 甯稿姜; 常彪
Original assignee: Tianjin Yihua Microelectronics Co ltd
Current assignee: Tianjin Yihua Microelectronics Co ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-07-07

Abstract

The wireless ad hoc network is a product of the integration of a mobile communication technology and a computer network technology, has the characteristics of network self-organization and cooperative cooperation, and is very suitable for building an emergency communication network to coordinate various personnel to carry out rescue actions and deal with emergencies. The invention provides a communication terminal for a self-organizing network, which comprises a communication module, wherein the communication module comprises a CPU small system, the CPU small system is connected with a Beidou communication unit through a UART bus, the CPU small system is connected with a mobile communication unit through a PCIE bus, and the CPU small system is connected with a frequency conversion unit for processing two frequency signals through an MAC interface baseband chip and a baseband chip. The communication terminal also comprises a monitoring device, and the communication module is connected with the monitoring device through the MAC interface and the serial port. The baseband chip is connected with a frequency conversion unit for processing signals in 340MHz and 5GHz frequency bands.

Description

Communication terminal for self-organizing network

Technical Field

The invention belongs to the field of self-organizing network equipment, and particularly relates to a communication module for a wireless self-organizing network.

Background

In recent years, emergency communication research in China is mainly developed around public communication networks supporting emergency communication, and most of communication in the prior art is based on wired communication networks or mobile communication networks.

The wired communication network can provide a high-speed and stable communication channel, has low call charges, is suitable for real-time transmission of large data volume, but is limited by cables. The mobile communication supports communication in motion, is flexible and convenient, is more suitable for emergency communication requirements, but has limited coverage range and service capable of being carried. The satellite network has long communication distance and is not limited by ground conditions, and the communication between places which cannot be met by ground transmission means can be quickly realized. Although the emergency communication guarantee system in China is greatly developed, the problems of backward technical system, insufficient capital investment and the like still exist, and the practical requirements of emergency communication are far away.

The wireless ad hoc network is a product of the integration of a mobile communication technology and a computer network technology, has the characteristics of network self-organization and cooperative cooperation, and is very suitable for building an emergency communication network to coordinate various personnel to carry out rescue actions and deal with emergencies.

Disclosure of Invention

The invention provides a communication module for a self-organizing network, which adopts the following technical scheme:

the utility model provides a communication terminal for self-organizing network, communication terminal includes communication module, and communication module includes the CPU microsystem, and the big dipper communication unit is connected through the UART bus to the CPU microsystem, and the CPU microsystem passes through PCIE bus connection mobile communication unit, and the CPU microsystem passes through MAC interface baseband chip, and the frequency conversion unit of two kinds of frequency signal is handled in the baseband chip connection.

Furthermore, the communication terminal also comprises a monitoring device, and the communication module is connected with the monitoring device through an MAC interface and a serial port.

Furthermore, the baseband chip is connected with a frequency conversion unit for processing signals in 340MHz and 5GHz frequency bands.

Furthermore, a buckle is arranged on the shell of the communication module.

Furthermore, the communication module further comprises a fixing frame.

Compared with the prior art, the invention has the beneficial effects that: the communication module comprises a baseband chip which is connected with a frequency conversion unit for processing signals in 340MHz and 5GHz frequency bands, so that the communication module can be used in cooperation with a Meth network, and the use flexibility of the communication module is improved.

Drawings

FIG. 1 is a schematic diagram of a terminal module;

FIG. 2 is a schematic diagram of a baseband chip;

FIG. 3 is a schematic view of a communication terminal module;

FIG. 4 is a schematic view of a buckle on the communication terminal module;

FIG. 5 is a schematic view of a fixing frame of a communication terminal module;

FIG. 6 is a schematic view of another perspective structure of a fixing frame of a communication terminal module;

fig. 7 is a schematic structural diagram of the communication terminal module after being mounted on the unmanned aerial vehicle.

Description of reference numerals:

the unmanned aerial vehicle comprises a shell-1, a buckle-2, an arc recess-11, a clamping part-12, a rotating shaft-21, a buckle-22, a fixing frame-3, a connecting rod-31, a cross rod-32, a first square hole-33, a second square hole-34, a fixing part-35, a V-shaped clamping part-36, an elastic connecting belt-37 and an unmanned aerial vehicle-4.

Detailed Description

The communication terminal for the self-organizing network comprises a communication module, wherein the communication module comprises a CPU small system, the CPU small system is connected with a Beidou communication unit through a UART bus, the CPU small system is connected with a mobile communication unit through a PCIE bus, the CPU small system is connected with a frequency conversion unit for processing 340MHz and 5GHz frequency band signals through an MAC interface baseband chip, and the baseband chip is connected with the frequency conversion unit.

In the embodiment, the CPU subsystem comprises a CPU processor, a DDR3SDRAM, a FALSH storage unit, and an Ethernet network port chip is further arranged in the communication module, and the PHY chip is connected with an MAC interface on the CPU processor through an MII interface. In this embodiment, the model of the FLASH chip is SST25VF040, the model of the DRAM chip is K4T1G164QF, the model of the Ethernet phy chip is AR8035, the model of the beidou communication unit is TM0510, the model of the mobile communication unit is ME909S, the HMC1197 of the american ADI company is used for 340MHz up-conversion, the ADRF6806 of the american ADI company is used for down-conversion, the ADRF6706 of the american ADI company is used for 5GHz up-conversion, the HMC1190A of the american ADI company is used for down-conversion, the PA model of the 340MHz frequency conversion unit is adiaddl 5322, and the PA model of the 5GHz frequency conversion unit is ADI ADL 5323. The baseband chip is an RTmesh ASIC baseband chip produced by Tianjin Yihua microelectronics Limited.

In this embodiment, the communication module that provides is installed on supervisory equipment (for example, fixed big dipper nuclear radiation monitor terminal, portable big dipper monitor terminal and carrier). The communication terminal transmits data through the self-organizing network.

When data is sent through the self-organizing network, information such as gamma radiation, wind direction, wind power, temperature, humidity, coordinates, audio and video and the like sent by a monitoring terminal is received through a serial port by a CPU processor in a terminal module, information received by the CPU processor is received by a baseband chip through an MAC interface and is converted into a baseband signal, the baseband signal is converted into a radio frequency signal through a frequency conversion unit, and the radio frequency signal is amplified by a PA and sent out by a transmitting antenna.

In this embodiment, the information that the baseband chip can receive further includes a beidou communication message that the communication module receives through the beidou unit, and mobile cellular network data that the communication module receives through the mobile communication unit.

When receiving data from the self-organizing network, the antenna receives radio frequency signals, the radio frequency signals are converted into frequency bands where baseband signals are located through the frequency conversion unit, and the baseband chips demodulate the baseband signals and return the data to the CPU for processing.

In this embodiment, the functions of the CPU processor include completing networking with a node in the Mesh network, and generating a data transfer route; when a node in the Mesh network or a certain communication terminal is offline, the CPU processor can overall schedule the data routing. And self-adaptively finding an optimal path. Meanwhile, the CPU processor can also control the opening and closing of the Beidou unit and the mobile communication unit.

In this embodiment, the symmetry is equipped with 4 buckles 2 on communication module's the shell 1, is equipped with arc clamping part 22 on buckle 2, and the one end of buckle 2 is connected on shell 1 through pivot 21, and buckle 2 passes through clamping part 12 to be fixed on shell 1, and on shell 1, the both sides that are equipped with buckle 2 still are equipped with arc 11 sunken. Wherein, the inner sides of the arc-shaped clamping stop part 22 and the arc-shaped recess 11 are provided with lines for skid resistance, and the direction of the lines is vertical to the direction of the arc-shaped recess 11.

In this embodiment, the communication module further includes a fixing frame 3, the fixing frame 3 includes two connecting rods 31 and a cross rod 32, and the cross rod 32 is made of rubber. Each connecting rod 31 is provided with a V-shaped clamping part 36, a first square hole 33 is arranged at the tail end of each connecting rod 31 above the V-shaped clamping part 36, a second square hole 34 is arranged on the V-shaped clamping part 36, a fixing part 35 and an elastic connecting belt 37 are further arranged on the V-shaped clamping part 36, and round holes are uniformly formed in the elastic connecting belt 37. Wherein the fixing portion 35 is located outside the upper portion of the V-shaped locking portion 36, and the elastic connecting band 37 is located at the end of the V-shaped locking portion 36. The V-shaped latch 36 is significant in that the mount 3 can be mounted on the legs of the drones 4 of different thicknesses.

When the communication module needs to be fixed on the unmanned aerial vehicle 4 and the passing module is used as a relay node in the wireless ad hoc network, the installation steps include:

install a mount 3 on unmanned aerial vehicle 4's stabilizer blade to through elastic connection area 37 and fixed part 35 locking mount 3. Wherein, according to the thickness of the supporting feet, the elastic connecting belt 37 can be selectively fixed on the fixing part 35 after passing through the first square hole 33 or the second square hole 34;

the communication module is arranged on the cross bar 32 of the fixing frame 3 through the buckle 2;

another fixing frame 3 is arranged on the support leg of the unmanned aerial vehicle 4, and the communication module is arranged on the cross rod 32 of the fixing frame 3 through the buckle 2.

The technical principles of the present invention have been described above in connection with specific embodiments, and these descriptions are only for the purpose of explaining the technical principles of the present invention and should not be construed as limiting the scope of the present invention in any way. Based on this explanation, a person skilled in the art will conceive of other embodiments of the invention that fall within the scope of the invention without inventive efforts.

Claims

1. The utility model provides a communication terminal for self-organizing network, its characterized in that, communication terminal includes communication module, and communication module includes the CPU microsystem, and the CPU microsystem passes through UART bus connection big dipper communication unit, and the CPU microsystem passes through PCIE bus connection mobile communication unit, and the CPU microsystem passes through MAC interface baseband chip, and the frequency conversion unit of two kinds of frequency signal is handled in the baseband chip connection.

2. The communication terminal for the ad-hoc network according to claim 1, wherein the communication terminal further comprises a monitoring device, and the communication module is connected to the monitoring device through the MAC interface and the serial port.

3. The communication terminal for the ad-hoc network according to claim 1, wherein said baseband chip is connected to a frequency conversion unit for processing signals in 340MHz, 5GHz band.

4. The communication terminal for ad hoc network according to claim 1, wherein a buckle is provided on a housing of said communication module.

5. The communication terminal for an ad hoc network according to claim 1, wherein said communication module further comprises a holder.