CN201733296U - M2M communicator - Google Patents
M2M communicator Download PDFInfo
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- CN201733296U CN201733296U CN2010201790673U CN201020179067U CN201733296U CN 201733296 U CN201733296 U CN 201733296U CN 2010201790673 U CN2010201790673 U CN 2010201790673U CN 201020179067 U CN201020179067 U CN 201020179067U CN 201733296 U CN201733296 U CN 201733296U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
本实用新型涉及一种M2M通信装置，包括基带处理单元、电源单元、存储单元、用户识别单元、调试接口单元、时钟单元、USB接口单元和双天线射频单元，所述电源单元的输入端和USB接口单元连接以接收其电源供电，输出端与基带处理单元、存储单元、用户识别单元和调试接口单元电气连接并为其供电，所述时钟单元与基带处理单元和双天线射频单元连接并为其提供工作时钟，所述基带处理单元与存储单元、用户识别单元、调试接口单元和USB接口单元和双天线射频单元连接以实现双向通信。本实用新型的有益效果是：可以实现高速的数据传输和数据通信，因此可以拓宽主控设备提供的视音频、图像等业务信息的承载。
The utility model relates to an M2M communication device, which comprises a baseband processing unit, a power supply unit, a storage unit, a user identification unit, a debugging interface unit, a clock unit, a USB interface unit and a dual-antenna radio frequency unit. The interface unit is connected to receive its power supply, the output terminal is electrically connected to the baseband processing unit, the storage unit, the user identification unit and the debugging interface unit and supplies power to it, and the clock unit is connected to the baseband processing unit and the dual-antenna radio frequency unit and provides A working clock is provided, and the baseband processing unit is connected with a storage unit, a user identification unit, a debugging interface unit, a USB interface unit and a dual-antenna radio frequency unit to realize two-way communication. The beneficial effect of the utility model is that: high-speed data transmission and data communication can be realized, so the carrying of business information such as video, audio and images provided by the main control device can be expanded.
Description
Technical field
The utility model belongs to communication technical field, relates in particular to a kind of M2M communicator of realizing realizing between the industrial equipment data communication.
Background technology
M2M (Machine to Machine) is meant that machine is to connection between the machine and correspondence in the industrial equipment, and the M2M communicator is an equipment of realizing this correspondence.Communicating to connect of M2M communicator can be divided into " wired " and " wireless " dual mode.
Existing M2M communicator, because the design of itself framework, it can only be applied to wired and cordless communication network low rate, as wired ether communication network and wireless bluetooth communication network.When being applied to wireline communication network, need lay special cable, the basic network quantities is big, and cost is higher.When being applied to cordless communication network, because remote wireless network bandwidth deficiency has limited the carrying of looking big flow communication data information such as audio frequency, image.
The utility model content
The purpose of this utility model is in order to overcome the deficiency that existing M2M communicator can only be applied to the cordless communication network of wired and low rate, to have proposed a kind of M2M communicator that can be applied to 3G communication network (as CDMA2000, TD-SCDMA and WCDMA communication network).
To achieve these goals, the utility model proposes a kind of technical scheme: the M2M communicator, comprise baseband processing unit, power subsystem, memory cell, user identification unit, debug interface unit and clock unit, it is characterized in that, also comprise usb interface unit and double antenna radio frequency unit, the input of described power subsystem is connected with usb interface unit to receive its power supply power supply, output and baseband processing unit, memory cell, user identification unit and debug interface unit are electrically connected and are its power supply, described clock unit is connected with the double antenna radio frequency unit with baseband processing unit and for it provides work clock, described baseband processing unit and memory cell, user identification unit, debug interface unit is connected with the double antenna radio frequency unit to realize two-way communication with usb interface unit; Described double antenna radio frequency unit comprises a radio-frequency (RF) transceiver, four surface wave filters, two low noise amplifiers, a power amplifier, a diversity antenna that is used for unidirectional reception, a duplexer and a main antenna that is used for bidirectional transmit-receive, described radio-frequency (RF) transceiver successively with a surface wave filter, a power amplifier, duplexer and main antenna have connected to form the main communication line that sends of double antenna radio frequency unit, described radio-frequency (RF) transceiver successively with a surface wave filter, a low noise amplifier, the above-mentioned main duplexer of communication line and the main received communication circuit that main antenna has connected to form the double antenna radio frequency unit of sending, described radio-frequency (RF) transceiver successively with a surface wave filter, a low noise amplifier, surface wave filter and diversity antenna have been formed the auxiliary reception communication line of double antenna radio frequency unit; Usb interface unit is connected with the main control device of outside realizes data communication and the electric power supply of main control device to the M2M communicator.
The beneficial effects of the utility model are: because the utility model is the M2M communicator that can be applied to the 3G communication network, and adopt USB interface as this device and the data communication of external piloting control equipment and the interface of electric power supply, therefore, the utility model can be realized high-speed data transmission and data communication, therefore can widen the audio frequency of looking that main control device provides, the carrying of business information such as image helps finance, traffic, meteorological, electric power, water conservancy, oil, the colliery, industry control, retail, medical treatment, the market of industry-by-industries such as Administration of Public Affairs and technology innovation.
Description of drawings
Fig. 1 is a circuit structure principle schematic of the present utility model.
Fig. 2 is the overall flow figure of software work of the present utility model.
Fig. 3 is the dial up on the telephone flow chart of process of the utility model.
Embodiment
Below by specific embodiment and accompanying drawing the utility model is described further.
As shown in Figure 1, the M2M communicator comprises baseband processing unit, power subsystem, memory cell, user identification unit, debug interface unit, clock unit, usb interface unit and double antenna radio frequency unit.The input of power subsystem is connected with usb interface unit to receive its power supply power supply, and output and baseband processing unit, memory cell, user identification unit and debug interface unit are electrically connected and are its power supply.Described clock unit is connected with the double antenna radio frequency unit with baseband processing unit and provides work clock for it.Described baseband processing unit is connected with the double antenna radio frequency unit to realize two-way communication with memory cell, user identification unit, debug interface unit and usb interface unit.Described double antenna radio frequency unit comprises a radio-frequency (RF) transceiver (RFTransceiver), four surface wave filter (SAW, surface acoustic wave filter), two low noise amplifier (LNA, lower noise amplify), a power amplifier (PA, poweramplify), a diversity antenna that is used for unidirectional reception, a duplexer (duplexer) and a main antenna that is used for bidirectional transmit-receive, described radio-frequency (RF) transceiver successively with a surface wave filter, a power amplifier, duplexer and main antenna have connected to form the main communication line that sends of double antenna radio frequency unit, described radio-frequency (RF) transceiver successively with a surface wave filter, a low noise amplifier, the above-mentioned main duplexer of communication line and the main received communication circuit that main antenna has connected to form the double antenna radio frequency unit of sending, described radio-frequency (RF) transceiver successively with a surface wave filter, a low noise amplifier, surface wave filter and diversity antenna have been formed the auxiliary reception communication line of double antenna radio frequency unit.Usb interface unit is connected with the main control device of outside realizes data communication and the electric power supply of main control device to the M2M communicator.
The double antenna radio frequency unit is core with the radio-frequency (RF) transceiver in the present embodiment, the baseband processor unit is by SPI (serial peripheral interface) interface control radio-frequency (RF) transceiver, two kinds of patterns of main reception of radio-frequency (RF) transceiver support and diversity reception connect the low noise amplifier received RF signal by surface wave filter; Power amplifier gain representative value is 28dB, and operating frequency range is 824-849MHz, and voltage standing wave ratio was less than 3: 1; Low noise amplifier is controlled by radio frequency chip, and the average gain between main antenna and the diversity antenna is less than 6dB, and diversity antenna envelope coefficient is less than 0.5.Memory cell adopts the two-in-one chip of NOR Flash and PSRAM, and the memory that NOR Flash is used for operating system and file system uses, and PSRAM is operation real time operating system Nucleus kernel and relative program metadata cache space.User identification unit can adopt UIM card or SIM card, and this unit is the authentication and the identification part of M2M communicator.Debug interface unit can adopt UART or jtag interface, and the debugging that is used for the M2M communicator is used.Usb interface unit adopts the USB2.0 interface.
Adopt USB2.0 to realize data interaction between the main control device of M2M communicator and outside.
The software systems of the M2M communicator in the present embodiment adopt Nucleus PLUS embedded OS, and the software level of realizing in this system can be divided into 3 layers:
1. lower floor: relate generally to the direct control of hardware layer and the realization of various protocol stacks.
2. middle level: this layer is divided into a lot of functional modules, each functional module in embedded OS corresponding task to realize specific function, by the message event mechanism collaborative work of embedded OS, can be called this layer " Drive Layer " between each functional module.
3. upper strata: this one deck can be called user interface layer, and this layer also is embodied as a task, and it calls each functional module of " Drive Layer " and finishes specific function.
As shown in Figure 2, the overall flow of the software work of M2M communicator has been described, each hardware of system initialization, task module, memory and various protocol stacks received the order that main control device sends over then after the M2M communicator powered on, and these orders are also handled in the response of M2M communicator.
As shown in Figure 3, the process that the M2M communicator dials up on the telephone has been described.Owing to adopt the USB2.0 interface to communicate between M2M communicator and main control device, each hardware of system initialization, task module, memory and various protocol stacks after USB device (M2M communicator) powers on, after main control device detects and has USB device to insert in the system, USB device will send the USB configuration information of various command request and EM equipment module, these information is set during USB device initialization usb protocol stack, when main control device sends request, returns to main control device.Main control device can be that USB device finds suitable driver according to these information, and after driver loaded smoothly, main control device was just used the dialing application program by this driving dialing.Dialing is exactly to send various configuration orders and dialing order to USB device in fact, USB device handles to data forwarding suitable task after receiving these data, and command execution results is returned to main control device, the final step of dialing is whether the username and password that sends over of module verification main control device is correct, if correct, just set up with server end smoothly and communicate by letter, otherwise, can return error message and give main frame, continue to wait for main control device dialing order.
Those of ordinary skill in the art will appreciate that embodiment described here is in order to help reader understanding's principle of the present utility model, should to be understood that protection range of the present utility model is not limited to such special statement and embodiment.Those of ordinary skill in the art can make various other various concrete distortion and combinations that do not break away from the utility model essence according to disclosed these technology enlightenments of the utility model, and these distortion and combination are still in protection range of the present utility model.
Claims (1)
1. M2M communicator, comprise baseband processing unit, power subsystem, memory cell, user identification unit, debug interface unit and clock unit, it is characterized in that, also comprise usb interface unit and double antenna radio frequency unit, the input of described power subsystem is connected with usb interface unit to receive its power supply power supply, output and baseband processing unit, memory cell, user identification unit and debug interface unit are electrically connected and are its power supply, described clock unit is connected with the double antenna radio frequency unit with baseband processing unit and for it provides work clock, described baseband processing unit and memory cell, user identification unit, debug interface unit is connected with the double antenna radio frequency unit to realize two-way communication with usb interface unit; Described double antenna radio frequency unit comprises a radio-frequency (RF) transceiver, four surface wave filters, two low noise amplifiers, a power amplifier, a diversity antenna that is used for unidirectional reception, a duplexer and a main antenna that is used for bidirectional transmit-receive, described radio-frequency (RF) transceiver successively with a surface wave filter, a power amplifier, duplexer and main antenna have connected to form the main communication line that sends of double antenna radio frequency unit, described radio-frequency (RF) transceiver successively with a surface wave filter, a low noise amplifier, the above-mentioned main duplexer of communication line and the main received communication circuit that main antenna has connected to form the double antenna radio frequency unit of sending, described radio-frequency (RF) transceiver successively with a surface wave filter, a low noise amplifier, surface wave filter and diversity antenna have been formed the auxiliary reception communication line of double antenna radio frequency unit; Usb interface unit is connected with the main control device of outside realizes data communication and the electric power supply of main control device to the M2M communicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201790673U CN201733296U (en) | 2010-05-05 | 2010-05-05 | M2M communicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201790673U CN201733296U (en) | 2010-05-05 | 2010-05-05 | M2M communicator |
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| CN201733296U true CN201733296U (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201790673U Expired - Fee Related CN201733296U (en) | 2010-05-05 | 2010-05-05 | M2M communicator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013063922A1 (en) * | 2011-11-04 | 2013-05-10 | 中兴通讯股份有限公司 | Radio frequency transceiver, terminal, and signal receiving method of the terminal |
| CN111106847A (en) * | 2018-10-25 | 2020-05-05 | 好萌呀科技服务(内蒙古)有限公司 | Wireless data transmission equipment |
-
2010
- 2010-05-05 CN CN2010201790673U patent/CN201733296U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013063922A1 (en) * | 2011-11-04 | 2013-05-10 | 中兴通讯股份有限公司 | Radio frequency transceiver, terminal, and signal receiving method of the terminal |
| CN111106847A (en) * | 2018-10-25 | 2020-05-05 | 好萌呀科技服务(内蒙古)有限公司 | Wireless data transmission equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20170505 |