CN102647454A - Mobile-heterogeneity full-duplex communication van networking system - Google Patents
Mobile-heterogeneity full-duplex communication van networking system Download PDFInfo
- Publication number
- CN102647454A CN102647454A CN201210080938XA CN201210080938A CN102647454A CN 102647454 A CN102647454 A CN 102647454A CN 201210080938X A CN201210080938X A CN 201210080938XA CN 201210080938 A CN201210080938 A CN 201210080938A CN 102647454 A CN102647454 A CN 102647454A
- Authority
- CN
- China
- Prior art keywords
- data
- module
- mobile
- vehicle
- main control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to the fields of automobile movement internet of things and wireless communication, and particularly discloses a mobile-heterogeneity full-duplex communication van networking system and a communication method of the mobile-heterogeneity full-duplex communication van networking system. The system is a heterogeneous vehicle movement internet of things system which is formed by a vehicle-mounted mobile wireless sensor network, a monitoring center upper computer system, a specific mobile telephone, a remote communication protocol and an SMS (Short Message Service), wherein a main control machine, a remote controller and a detector of a distributed vehicle-mounted terminal utilize the short-range wireless communication technology to form the vehicle-mounted mobile wireless sensor network; the monitoring center upper computer system is formed by a server, a browser, a vehicle management software platform and a mobile communication modulator-demodulator; and the remote communication protocol with four layers of protocol stacks formed by a physical layer, a data link layer, a network layer and a transport layer, is designed. The uplink communication of the system adopts a format of carrier signals, network messages plus short messages, the downlink communication of the system adopts a format of the short messages plus the carrier signals, modules are subjected to data exchange through a full-duplex communication interface, and downlink data and uplink data can be transmitted simultaneously to realize the duplex communication. The system can be used for the safety monitoring of vehicle transportation state, can realize the automatic safety monitoring of vehicles by the assistance of the mobile wireless sensor network, and can realize the remote real-time/delayed manual monitoring and commanding by the assistance of a mobile internet and a heterogeneous network.
Description
Technical field
The present invention relates to automobile and move Internet of Things and wireless communication field.Concrete a kind of mobile isomery full-duplex communication car networked system and the communication means thereof of disclosing.
Background technology
The car networking, the full name automobile moves Internet of Things, has been classified as the great special project of " 12 " national science and technology, obtains giving special assistance to of central fund.The car networking is a basic information unit (BIU) with the vehicle, through sensor technology, intelligent perception technology, access technology, transmission technology, networking technology, road entities such as pedestrian, vehicle, road side facility is connected with backup network with traffic administration network, mobile network; Serve application such as vehicle safety, traffic control, information service, user network access; Be intended to set up and improve traffic, improve the intelligent comprehensive network system that line efficiency, expands the information interaction form.Success is wanted in the car networking; Will build up the such network ecosystem of the Internet, mobile Internet and wireless sense network; In this ecosystem, need that the people provides the terminal system platform, end application is provided, back-end services is provided, communication network is provided, integrate information, integrated service, build up such network ecosystem; Need comprehensive technology, rely on technological consolidation and innovation.
Mobile Internet, the two combines with mobile communication and the Internet exactly, becomes one.In recent years, mobile communication and the Internet become the two big business that the world today is with fastest developing speed, market potential is maximum, prospect is the most tempting.So far, global mobile subscriber surpasses 1,500,000,000, and the Internet user has also exceeded 700,000,000.China Mobile's total number of users surpasses 3.6 hundred million, and Internet user's sum then surpasses 100,000,000.This rapid growth phenomenon never before seen has in history reflected that along with epoch and development of technology human demand to mobility and information sharply rises.Increasing people hopes to insert the Internet on the process high speed ground that moves, and obtains the information of urgent need, accomplishes and wants the thing done.So the trend that combines with the Internet that moves that occurs now is the inevitable of history.Network has covered the whole nation, except remote especially area, can guarantee that basically the network service can both realize in Chinese whole area.The GPRS data communication services that present China Mobile opens at G on the net, bandwidth can reach about terminal use 3k, can guarantee the WAP of China Mobile service.The data communication services of CHINAUNICOM in the CDMA network is more better, and bandwidth can reach terminal use 32k.Basically can guarantee the WAP service.The PHS network can provide the data bandwidth about 150k.Can reach 32k to the terminal.And the arrival in 4G epoch, with making mobile Internet reach the degree of wideband.
The wireless network that wireless sense network is a large amount of static or mobile transducers to be constituted with the mode of self-organizing and multi-hop is a kind of self-organizing network.Its objective is that cooperation ground perception, collection, processing and transmission network cover the monitoring information of perceptive object in the geographic area, and report to the user.A large amount of sensor nodes have sent to user through aggregation node through other network with detection data.The data of sensing net institute perception are one of important sources of Internet of Things magnanimity information.Self-organizing network is a kind of provisional autonomous system; It is a kind of distributed network; Whole network does not have fixing infrastructure, can not utilize or not convenient situation with existing network infrastructure (like base station, AP) under, the intercommunication mutually between the terminal is provided.The development of car networking at present is exactly to be based upon on this radio sensing network basis, constitutes people, car, the incorporate management system in road in conjunction with mobile Internet.
Heterogeneous network is one type a network, and it is the computer of being produced by different manufacturers, and the network equipment is formed with system, operates in support different functions or application on the different protocol under most of situation.The Internet can be formed by a plurality of heterogeneous networks are interconnected.
Full-duplex communication is called two-way simultaneous communication again, the information interaction mode that the both sides that promptly communicate by letter can send simultaneously and receive information.
Summary of the invention
The purpose of this invention is to provide a kind of mobile isomery full-duplex communication car networked system and communication means thereof.Be used for the monitoring of vehicle transport dynamic security, rely on mobile wireless sensing net can realize the real-time automated security monitor of vehicle, the full-duplex communication that relies on mobile Internet and isomery automobile to move Internet of Things can realize remote live/time-delay manual monitoring and commander.
The present invention addresses the above problem the technical scheme that is adopted:
A kind of mobile isomery full-duplex communication car networked system is characterized in that: comprise distributed car-mounted terminal, Surveillance center's master system, specific mobile phone and telecommunication protocol
Said distributed car-mounted terminal comprises main control computer, detector and remote controller, and wherein main control computer and detector distribute and be installed in the position that vehicle is fit to, and remote controller can place vehicle cab or carried by the driver;
Said main control computer is made up of kernel control module, storage module, GPS module, mobile communication module, wireless communication module, power supply processing unit;
Said kernel control module is used for transaction management, data processing, has full duplex communication interface;
Said storage module is used for the storage of program, algorithm and data;
Said GPS module is used for the location of host vehicle, has full duplex communication interface;
Said mobile communication module comprises SIM and card reader, is used for digital coding, telecommunication channel foundation and teledata transmitting-receiving, has full duplex communication interface;
Said wireless communication module is used for digital coding, the short-haul connections channel is set up and the short-range data transmitting-receiving, has full duplex communication interface;
Said power supply processing unit is used to provide the different electric sub-element needed suitable voltage range, and protection to error-polarity connection is provided;
Said detector is made up of single-chip microcomputer, wireless communication module, power supply processing unit, sensor assembly;
Said single-chip microcomputer is used for data processing, has full duplex communication interface;
Said sensor assembly is used for vehicle abnormality state and the triggering signal that sensory perceptual system designs in advance;
Said remote controller is made up of single-chip microcomputer, wireless communication module, power supply processing unit, button and LED light;
Said button and LED light are used for the setting of main control computer functional status and show;
Said Surveillance center master system comprises server, browser, mobile communication modulator-demodulator and vehicle management software platform;
Said server is common WEB server and database server, is used to provide the network port, receiving remote data, stored data, data computation and transaction, has full duplex communication interface;
Said browser is the browser that client computer is installed under the B/S architecture mode, data demonstration after being used to handle and instruction and information input;
Said mobile communication modulator-demodulator comprises SIM and card reader; For being connected the modulator-demodulator that is used for the mobile communication service on the server communication port; At least has the SMS function; Set up data communication through API and vehicle management software platform, be used for command coding, the foundation of SMS communication channel and instruction and send, have full duplex communication interface;
Said vehicle management software platform is to be installed in to be used for Surveillance center carries out real-time map monitoring, remote command and data analysis to remote vehicle software systems on the server hard disc;
Said specific mobile phone is the urgent contact mobile phone that system specifies and writes down;
Said telecommunication protocol comprises 4 layer protocol stacks, i.e. physical layer, data link layer, network layer and transport layer.
Said physical layer is the physical channel by the protocol compliant standard of mobile communication module foundation;
Said data link layer is with data link control protocol original physical channel to be connected the data link that is transformed into zero defect, and system is the Telnet the Internet, and obtains mobile communication gateway addresses distributed;
The terminal with different addresses that said network layer is to use network layer protocol will insert the Internet all connects.Through Route Selection, can realize that system and the arbitrary terminal that is connected on the Internet carry out data interaction;
Said transport layer is to use the network transmission protocol, for transfer of data provides service;
Said distributed car-mounted terminal main control computer, detector and remote controller constitute vehicle-mounted mobile wireless sensing net through the short-range wireless communication technology;
Said vehicle-mounted mobile wireless sensing net, Surveillance center's master system, specific mobile phone move Internet of things system through the automobile that telecommunication protocol and SMS constitute an isomery;
The communication means of described mobile isomery full-duplex communication car networked system is characterized in that:
Said distributed car-mounted terminal detector is up to the transfer of data and the distributed car-mounted terminal of main control computer to the transfer of data of Surveillance center's master system and specific mobile phone;
Described Surveillance center master system is descending to the transfer of data and the distributed car-mounted terminal main control computer of distributed car-mounted terminal to the transfer of data of detector;
1) the GPS locator data is up
(1) distributed car-mounted terminal powers on, and main control computer kernel control module main program starts, and detector and remote controller get into holding state, full duplex communication interface initialization;
(2) distributed car-mounted terminal main control computer GPS module is sought satellite, obtains locator data;
(3) the GPS module gets access to locator data, and System self-test passes through, and data deposit storage module in;
(4) kernel control module utilizes the AT instruction through the mobile communication module dialing; The main control computer mobile communication module carries out radio communication through the mobile communication base station with local mobile communication business node; And close through this mobile radio communication and to get into this mobile Internet, physical channel is just set up between the mobile communication module in main control computer and the mobile Internet;
(5) data link control protocol connects the data link that is transformed into zero defect with original physical channel, through mobile Internet gateway support node Telnet the Internet, and obtains mobile Internet gateway addresses distributed;
(6) the network layer protocol terminal with different addresses that will insert the Internet all connects.Through Route Selection, can realize being connected between the arbitrary terminal on the Internet and carry out data interaction;
(7) main control computer empties reception/transmission buffering area and opens interrupters;
(8) the GPS locator data that will obtain of kernel control module is taken out from storage module, is transferred to mobile communication module through full duplex communication interface;
(9) mobile communication module carries out coded modulation generation message with the GPS locator data, utilizes the aforementioned Channel Transmission of having set up to the Internet;
(10) transport layer protocol is transferred to Surveillance center's master system server with the GPS locator data message that modulates by routing address;
(11) Surveillance center's master system server receives from carrying out demodulation behind the data message of the Internet, confirms data source and calculating, deposits database in;
(12) server calls vehicle management software platform is handled by preset program the GPS locator data that receives, and result is presented in the browser;
(13) main control computer is whenever uploaded a GPS locator data to Surveillance center's master system server at regular intervals;
2) the vehicle abnormality status data is up
(1) distributed car-mounted terminal powers on, and main control computer kernel control module main program starts, and detector and remote controller get into holding state, full duplex communication interface initialization;
(2) the GPS module gets access to locator data, and System self-test passes through, and telecommunication channel is set up;
(3) detector sensor module perception vehicle-state, when preset abnormality took place vehicle, sensor assembly produced the signal of telecommunication and is transferred to the detector single-chip microcomputer through signal line;
(4) the detector single-chip microcomputer is handled the signal of telecommunication that receives, and generates the vehicle abnormality status data, is transferred to wireless communication module through full duplex communication interface;
(5) the detector wireless communication module is encoded after receiving the vehicle abnormality status data, uses the short-range wireless communication technology that the vehicle abnormality status data is sent to main control computer;
(6) the main control computer wireless communication module receives behind the vehicle abnormality status data and sends an answer signal to the detector wireless communication module, simultaneously the vehicle abnormality status data is decoded and is transferred to kernel control module through full duplex communication interface;
(7) the vehicle abnormality status data is at first deposited in storage module;
(8) kernel control module extracts the vehicle abnormality status data and when locator data constantly, handles generating the vehicle abnormality state information from storage module;
(9) kernel control module is transferred to mobile communication module with the vehicle abnormality state information through full duplex communication interface;
(10) mobile communication module is modulated the generation message with the vehicle abnormality state information, utilizes the aforementioned Channel Transmission of having set up to the Internet;
(11) transport layer protocol is transferred to Surveillance center's master system server with the vehicle abnormality state information message that modulates by routing address;
(12) Surveillance center's master system server carries out demodulation after receiving the vehicle abnormality state information message from the Internet, and also calculate in the confirmation source, deposits database in;
(13) server calls vehicle management software platform is handled by preset program the vehicle abnormality state information that receives, and result is presented in the browser;
(14) when needed; The main control computer kernel control module is transferred to mobile communication module with the vehicle abnormality state information through full duplex communication interface; Mobile communication module is modulated the vehicle abnormality status data and is generated short message and be sent to specific mobile phone through the short message storage service of transmitting that Short Message Center of mobile communication carrier provides, and specific mobile phone receives and carries out demodulation after the short message and be presented on the screen;
3) remote command transmission
(1) distributed car-mounted terminal powers on, and main control computer kernel control module main program starts, and detector and remote controller get into holding state, full duplex communication interface initialization;
(2) push the remote controller function button, produce the signal of telecommunication and transfer to the remote controller single-chip microcomputer
(3) the remote controller single-chip microcomputer is handled the generation command signal to the signal of telecommunication, transfers to wireless communication module through full duplex communication interface;
(4) wireless communication module is encoded to command signal, uses the short-range wireless communication technology that command signal is sent to main control computer;
(5) the main control computer wireless communication module receives after the command signal and sends an answer signal to the remote controller communication module, simultaneously command signal is decoded and is transferred to kernel control module through full duplex communication interface;
(6) command signal is at first deposited in storage module, and the main control computer kernel control module extracts command signal and handles and call corresponding program execution associative operation from storage module;
4) control command is descending
(1) Surveillance center's master system is opened, the login of vehicle management software platform, full duplex communication interface initialization;
(2) monitor staff is at the browser inediting or select a certain instruction, and clicks and send;
(3) instruction is resolved to the specific instruction code by the vehicle management software platform and is transferred to server;
(4) server calculates instruction code and transfers to the mobile communication modulator-demodulator through full duplex communication interface;
(5) the mobile communication modulator-demodulator is modulated to generate to instruction code and is instructed short message to send to target distribution formula car-mounted terminal through the short message storage service of transmitting that Short Message Center of mobile communication carrier provides;
(6) target distribution formula car-mounted terminal main control computer mobile communication module is received and is instructed short message to carry out demodulation and be transferred to kernel control module through full duplex communication interface;
(7) the instruction short message is at first deposited in storage module;
(8) kernel control module extracts from storage module and instructs short message to handle, and calls corresponding program and carries out associative operation;
When (10) needing; The main control computer kernel control module is handled the back to the instruction short message and is generated new instruction; Transfer to wireless communication module through full duplex communication interface; Wireless communication module receives that new instruction encodes and use the short-range wireless communication technology to send to detector; The detector wireless communication module receives new instruction back and sends an answer signal to the main control computer wireless communication module, simultaneously new instruction is decoded and is transferred to single-chip microcomputer through full duplex communication interface, and corresponding operating is handled and carried out to single-chip microcomputer to new instruction;
5) transmission of all data and instruction, uplink and downlink can be carried out at one time.
Beneficial effect of the present invention is:
(1) realized the full-duplex communication that the automobile of an isomery moves Internet of things system.Move heterogeneous network because the difference that its network topology structure, the network equipment, communication protocol, communication skill are stated and the dynamic of network node realize that full-duplex communication is a difficult point.Vehicle-mounted mobile wireless sensing netting gear has self-data processing and instruction executive capability among the present invention, is different from the simple data acquisition function of traditional radio sensing network, when uploading front end data, also will carry out and assign instruction.The present invention utilizes the mobile communication modulator-demodulator to adopt the SMS technology that the instruction of Surveillance center's master system is transmitted in mobile internet with short message format, through the transmission realization data downstream of the communicating by letter of the receiving the decode of distributed car-mounted terminal mobile communication module, mobile communication module and kernel control module, the processing of kernel control module, vehicle-mounted mobile wireless sensing net; The coding of the communicating by letter of the processing, kernel control module that the front end car status information is utilized the transmission of vehicle-mounted mobile wireless sensing net, distributed car-mounted terminal kernel control module and mobile communication module, mobile communication module; The front end car status information is transmitted in mobile Internet with message format; Get into the Internet through the Internet gateway; Select to be transferred to Surveillance center's master system server through route, realize data uplink; Downlink data and upstream data can be simultaneously concurrent, and can accurately be delivered to assigned address.
(2) realized the integration of mobile Internet and wireless sense network.Mobile communication technology relies on physical layer/data link layer/network layer/transport layer 4 layer protocol stacks to set up with Internet and communicates by letter; And rely on the short-range wireless communication technology that each detector of distributed car-mounted terminal and main control computer are set up interconnected communication; Relying on SMS that server, specific mobile phone are set up with distributed car-mounted terminal communicates by letter; The vehicle management software platform of B/S framework utilizes Internet, wireless communication technology that browser is set up with server and communicates by letter; Above method is integrated whole vehicle management, full-duplex communication, and safe condition is not controlled nowhere.
(3) data that realized wireless sense network move transmission and analyze.The distributed frame of car-mounted terminal has constituted a vehicle-mounted mobile wireless sensing network; This sensing network has the ability of self-data number reason, active safety strick precaution; And the integration through mobile Internet and wireless sense network; Data can upload onto the server in moving process and carry out mass data calculating, analyze the serviceable condition and the fault of vehicle safety and sensing network, realize remote command through command system again.
Description of drawings
Fig. 1 moves isomery full-duplex communication car networked system structure chart
Fig. 2 is vehicle-mounted mobile wireless sensing pessimistic concurrency control figure
Fig. 3 is a telecommunication protocol 4 layer protocol stack embodiment schematic diagrams
Fig. 4 is that the automobile of an isomery moves Internet of Things network insertion embodiment schematic diagram
Embodiment
Mobile isomery full-duplex communication car networked system structure chart as shown in Figure 1, as to design for the present invention.Vehicle-mounted mobile wireless sensing net, Surveillance center's master system, the specific mobile phone that constitutes by distributed car-mounted terminal and move mutual the Internet and several parts of Internet are formed.Distributed car-mounted terminal is installed on the haulage vehicle, is made up of main control computer, remote controller, detector, and forms mobile wireless sensing net through the short-range wireless communication technology; Detector relies on the sensor senses vehicle-state, and main control computer relies on the GPS module to obtain locator data, and distributed car-mounted terminal inserts mobile Internet.Surveillance center's master system is made up of server, mobile communication modulator-demodulator, browser (comprising the browser of work station and the browser of portable machine) and vehicle management software platform; The mobile communication modulator-demodulator is through wired mode access server, and work station browser and portable machine browser are through wired or wireless mode and server communication, and the vehicle management software platform is installed in the server and on browser, calls demonstration.Distributed car-mounted terminal is through SMS and specific mobile phone communications; Distributed car-mounted terminal inserts mobile Internet through radio communication, and mobile Internet inserts Internet through the Internet gateway, and then connects through cable network and Surveillance center's master system; Surveillance center's master system is set up the instruction issuing channel through SMS and distributed car-mounted terminal.
As shown in Figure 2, be a vehicle-mounted mobile wireless sensing pessimistic concurrency control figure.This radio sensing network is made up of through communication technologys such as short-range wireless communication technology and full duplex communication interface main control computer, remote controller and the detector of distributed car-mounted terminal, and remote controller and detector can increase and reduce as network node.The transducer that is connected with detector is the perception terminal of this vehicle-mounted mobile wireless sensing net; The vehicle-state that designs in advance when the system of perceiving will trigger the signal of telecommunication when unusual; And through signal wire transmits to detector single-chip microcomputer; Single-chip microcomputer is handled generation information to the signal of telecommunication; Communicate by letter with wireless communication module through full duplex communication interface according to the state of a control of main control computer (require signal upload or forbid uploading), the information after will being handled by wireless communication module utilizes the short-range wireless communication technology to send to main control computer; After the wireless communication module of main control computer receives information, be transferred to kernel control module through full duplex communication interface, kernel control module is handled and is called corresponding program and carries out associative operation to information; Main control computer GPS module is constantly obtained satellite location data; Transfer to kernel control module via full duplex communication interface; Kernel control module is handled the back to gps data and is generated information together with the vehicle abnormality status data that detector transmits; Be transferred to mobile communication module through full duplex communication interface, mobile communication module is modulated the generation message to information and is inserted mobile Internet and carry out remote transmission.Remote controller triggers the signal of telecommunication through pressing keys and is obtained by single-chip microcomputer; Single-chip microcomputer is handled generation information to the signal of telecommunication; Be transferred to wireless communication module via full duplex communication interface, the information after will being handled by wireless communication module utilizes the short-range wireless communication technology to send to main control computer; After the wireless communication module of main control computer receives information, be transferred to kernel control module through full duplex communication interface, kernel control module calls corresponding program and carries out associative operation.The main control computer mobile communication module receives the instruction that Surveillance center's master system sends over through Internet and mobile Internet at any time; Be transferred to kernel control module through full duplex communication interface; Kernel control module receives that handling and call corresponding program after the instruction carries out associative operation or generate new instruction and be transferred to wireless communication module via full duplex communication interface; By utilizing the short-range wireless communication technology to send to detector after the wireless communication module processing; The detector wireless communication module receives to handle via full duplex communication interface after the instruction and is transferred to single-chip microcomputer, and single-chip microcomputer receives that instruction handles and carry out corresponding operation (sensor acquisition to vehicle abnormality state upload or forbid uploading).Above communication process can two-way completion in the identical time, so this radio sensing network is full-duplex communication.
As shown in Figure 3, be a telecommunication protocol 4 layer protocol stack embodiment schematic diagrams.The present embodiment mobile Internet adopts GPRS, and mobile communication module adopts GPRS Modem.For more simply expressing the communication protocol stack of system, GPRS related service and GPRS internal node are reduced to GPRS network, be reduced to the GPRS gateway protocol to GPRS internal agreement and Internet gateway protocol etc.(1) physical layer: distributed car-mounted terminal kernel control module utilizes AT instruction through GPRS Modem dialing, and after correctly feeding back and replying, physical channel is that the GRRS channel is just set up between the GPRS Modem in system and the GPRS network.(2) data link layer: it is the data link that GPRS physical layer connection that ppp protocol will be original is transformed into zero defect that data link layer is selected point-to-point protocol, and system is Telnet Internet, and obtains GPRS gateway IP address allocated.(3) network layer: adopt the IP agreement as network layer protocol.The terminal with different IP addresses that the IP agreement will insert Internet all connects.Through the IP Route Selection, can realize that system and the arbitrary IP terminal that is connected on the Internet carry out data interaction.(4) transport layer: select TCP as transport layer protocol, for transfer of data provides towards connection, reliability services.
As shown in Figure 4, be that the automobile of an isomery moves Internet of Things network insertion embodiment schematic diagram.Present embodiment comprises 2 parts: the one, and distributed car-mounted terminal is installed on vehicle and is coupled together the transmission of realization signal through wireless communication technology; The 2nd, connect distributed car-mounted terminal and external network with mobile communication technology, realize the information exchange between vehicle and the fixed station.Main control computer adopts the short-range wireless communication technology with interior communication of the car of remote controller and detector, and like RF, Zigbee or Bluetouch, the present embodiment wireless communication module selects NRF905 monolithic radio receiving transmitting module to realize full-duplex communication; And realize full-duplex communication through the SPI full duplex communication interface between the NRF905 of remote controller and detector and the single-chip microcomputer; Present embodiment main control computer mobile communication module is selected GPRS; Kernel control module is selected the ARM embedded microprocessor; Realize full-duplex communication through the USART full duplex communication interface between GPRS and the ARM, realize full-duplex communication through the SPI full duplex communication interface between NRF905 and the ARM.The telecommunication of distributed car-mounted terminal and Surveillance center's master system adopts GPRS, Internet and the integrated mobile communication technology of SMS, realizes full-duplex communication; GPRS network mainly is made up of the gprs service node that in the GSM base station, increases newly, and realizes with Internet interconnected through the GPRS gateway node; In the system; Data need to carry out radio communication through the GSM base station with local gprs service node through main control computer GPRS Modem earlier; And, carry out data interaction through GGSA (GPRS gateway support node) and Interne then through SGSN (GPRS serving GPRS support node) entering GPRS IP backbone; Surveillance center's master system server can three kinds of modes insert Interne so that upstream data finds its address through ISP; The one, the application fixed ip address is realized network service through the IP routing addressing, the 2nd, and the application domain name also uses dynamic IP addressing to combine dynamic territory analyzing; Realize network service through the DDNS addressing; The 3rd, application special line APN inserts the GPRS backbone network, through radius server and Dynamic Host Configuration Protocol server addressing, realizes network service; Present embodiment Surveillance center master system server select for use GSM Modem to realize through ISP and GSM base station with the SMS mode and distributed car-mounted terminal one to one or the one-to-many instruction issuing.
Claims (2)
1. a mobile isomery full-duplex communication car networked system is characterized in that: comprise distributed car-mounted terminal, Surveillance center's master system, specific mobile phone and telecommunication protocol
Said distributed car-mounted terminal comprises main control computer, detector and remote controller, and wherein main control computer and detector distribute and be installed in the position that vehicle is fit to, and remote controller can place vehicle cab or carried by the driver;
Said main control computer is made up of kernel control module, storage module, GPS module, mobile communication module, wireless communication module, power supply processing unit;
Said kernel control module is used for transaction management, data processing, has full duplex communication interface;
Said storage module is used for the storage of program, algorithm and data;
Said GPS module is used for the location of host vehicle, has full duplex communication interface;
Said mobile communication module comprises SIM and card reader, is used for digital coding, telecommunication channel foundation and teledata transmitting-receiving, has full duplex communication interface;
Said wireless communication module is used for digital coding, the short-haul connections channel is set up and the short-range data transmitting-receiving, has full duplex communication interface;
Said power supply processing unit is used to provide the different electric sub-element needed suitable voltage range, and protection to error-polarity connection is provided;
Said detector is made up of single-chip microcomputer, wireless communication module, power supply processing unit, sensor assembly;
Said single-chip microcomputer is used for data processing, has full duplex communication interface;
Said sensor assembly is used for vehicle abnormality state and the triggering signal that sensory perceptual system designs in advance;
Said remote controller is made up of single-chip microcomputer, wireless communication module, power supply processing unit, button and LED light;
Said button and LED light are used for the setting of main control computer functional status and show;
Said Surveillance center master system comprises server, browser, mobile communication modulator-demodulator and vehicle management software platform;
Said server is common WEB server and database server, is used to provide the network port, receiving remote data, stored data, data computation and transaction, has full duplex communication interface;
Said browser is the browser that client computer is installed under the B/S architecture mode, data demonstration after being used to handle and instruction and information input;
Said mobile communication modulator-demodulator comprises SIM and card reader; For being connected the modulator-demodulator that is used for the mobile communication service on the server communication port; At least has the SMS function; Set up data communication through API and vehicle management software, platform, be used for command coding, the foundation of SMS communication channel and instruction and send, have full duplex communication interface;
Said vehicle management software platform is to be installed in to be used for Surveillance center carries out real-time map monitoring, remote command and data analysis to remote vehicle software systems on the server hard disc;
Said specific mobile phone is the urgent contact mobile phone that system specifies and writes down;
Said telecommunication protocol comprises 4 layer protocol stacks, i.e. physical layer, data link layer, network layer and transport layer.
Said physical layer is the physical channel by the protocol compliant standard of mobile communication module foundation;
Said data link layer is with data link control protocol original physical channel to be connected the data link that is transformed into zero defect, and system is the Telnet the Internet, and obtains mobile communication gateway addresses distributed;
The terminal with different addresses that said network layer is to use network layer protocol will insert the Internet all connects.Through Route Selection, can realize that system and the arbitrary terminal that is connected on the Internet carry out data interaction;
Said transport layer is to use the network transmission protocol, for transfer of data provides service;
Said distributed car-mounted terminal main control computer, detector and remote controller constitute vehicle-mounted mobile wireless sensing net through the short-range wireless communication technology;
Said vehicle-mounted mobile wireless sensing net, Surveillance center's master system, specific mobile phone move Internet of things system through the automobile that telecommunication protocol and SMS constitute an isomery.
2. the communication means of mobile isomery full-duplex communication car networked system according to claim 1 is characterized in that:
Said distributed car-mounted terminal detector is up to the transfer of data and the distributed car-mounted terminal of main control computer to the transfer of data of Surveillance center's master system and specific mobile phone;
Described Surveillance center master system is descending to the transfer of data and the distributed car-mounted terminal main control computer of distributed car-mounted terminal to the transfer of data of detector;
1) the GPS locator data is up
(1) distributed car-mounted terminal powers on, and main control computer kernel control module main program starts, and detector and remote controller get into holding state, full duplex communication interface initialization;
(2) distributed car-mounted terminal main control computer GPS module is sought satellite, obtains locator data;
(3) the GPS module gets access to locator data, and System self-test passes through, and data deposit storage module in;
(4) kernel control module utilizes the AT instruction through the mobile communication module dialing; The main control computer mobile communication module carries out radio communication through the mobile communication base station with local mobile communication business node; And close through this mobile radio communication and to get into this mobile Internet, the bar physical channel is just set up between the mobile communication module in main control computer and the mobile Internet;
(5) data link control protocol connects the data link that is transformed into zero defect with original physical channel, through mobile Internet gateway support node Telnet the Internet, and obtains mobile Internet gateway addresses distributed;
(6) the network layer protocol terminal with different addresses that will insert the Internet all connects.Through Route Selection, can realize being connected between the arbitrary terminal on the Internet and carry out data interaction;
(7) main control computer empties reception/transmission buffering area and opens interrupters;
(8) the GPS locator data that will obtain of kernel control module is taken out from storage module, is transferred to mobile communication module through full duplex communication interface;
(9) mobile communication module carries out coded modulation generation message with the GPS locator data, utilizes the aforementioned Channel Transmission of having set up to the Internet;
(10) transport layer protocol is transferred to Surveillance center's master system server with the GPS locator data message that modulates by routing address;
(11) Surveillance center's master system server receives from carrying out demodulation behind the data message of the Internet, confirms data source and calculating, deposits database in;
(12) server calls vehicle management software platform is handled by preset program the GPS locator data that receives, and result is presented in the browser;
(13) main control computer is whenever uploaded a GPS locator data to Surveillance center's master system server at regular intervals;
2) the vehicle abnormality status data is up
(1) distributed car-mounted terminal powers on, and main control computer kernel control module main program starts, and detector and remote controller get into holding state, full duplex communication interface initialization;
(2) the GPS module gets access to locator data, and System self-test passes through, and telecommunication channel is set up;
(3) detector sensor module perception vehicle-state, when preset abnormality took place vehicle, sensor assembly produced the signal of telecommunication and is transferred to the detector single-chip microcomputer through signal line;
(4) the detector single-chip microcomputer is handled the signal of telecommunication that receives, and generates the vehicle abnormality status data, is transferred to wireless communication module through full duplex communication interface;
(5) the detector wireless communication module is encoded after receiving the vehicle abnormality status data, uses the short-range wireless communication technology that the vehicle abnormality status data is sent to main control computer;
(6) the main control computer wireless communication module receives behind the vehicle abnormality status data and sends an answer signal to the detector wireless communication module, simultaneously the vehicle abnormality status data is decoded and is transferred to kernel control module through full duplex communication interface;
(7) the vehicle abnormality status data is at first deposited in storage module;
(8) kernel control module extracts the vehicle abnormality status data and when locator data constantly, handles generating the vehicle abnormality state information from storage module;
(9) kernel control module is transferred to mobile communication module with the vehicle abnormality state information through full duplex communication interface;
(10) mobile communication module is modulated the generation message with the vehicle abnormality state information, utilizes the aforementioned Channel Transmission of having set up to the Internet;
(11) transport layer protocol is transferred to Surveillance center's master system server with the vehicle abnormality state information message that modulates by routing address;
(12) Surveillance center's master system server carries out demodulation after receiving the vehicle abnormality state information message from the Internet, and also calculate in the confirmation source, deposits database in;
(13) server calls vehicle management software platform is handled by preset program the vehicle abnormality state information that receives, and result is presented in the browser;
(14) when needed; The main control computer kernel control module is transferred to mobile communication module with the vehicle abnormality state information through full duplex communication interface; Mobile communication module is modulated the vehicle abnormality status data and is generated short message and be sent to specific mobile phone through the short message storage service of transmitting that Short Message Center of mobile communication carrier provides, and specific mobile phone receives and carries out demodulation after the short message and be presented on the screen;
3) remote command transmission
(1) distributed car-mounted terminal powers on, and main control computer kernel control module main program starts, and detector and remote controller get into holding state, full duplex communication interface initialization;
(2) push the remote controller function button, produce the signal of telecommunication and transfer to the remote controller single-chip microcomputer
(3) the remote controller single-chip microcomputer is handled the generation command signal to the signal of telecommunication, transfers to wireless communication module through full duplex communication interface;
(4) wireless communication module is encoded to command signal, uses the short-range wireless communication technology that command signal is sent to main control computer;
(5) the main control computer wireless communication module receives after the command signal and sends an answer signal to the remote controller communication module, simultaneously command signal is decoded and is transferred to kernel control module through full duplex communication interface;
(6) command signal is at first deposited in storage module, and the main control computer kernel control module extracts command signal and handles and call corresponding program execution associative operation from storage module;
4) control command is descending
(1) Surveillance center's master system is opened, the login of vehicle management software platform, full duplex communication interface initialization;
(2) monitor staff is at the browser inediting or select a certain instruction, and clicks and send;
(3) instruction is resolved to the specific instruction code by the vehicle management software platform and is transferred to server;
(4) server calculates instruction code and transfers to the mobile communication modulator-demodulator through full duplex communication interface;
(5) the mobile communication modulator-demodulator is modulated to generate to instruction code and is instructed short message to send to target distribution formula car-mounted terminal through the short message storage service of transmitting that Short Message Center of mobile communication carrier provides;
(6) target distribution formula car-mounted terminal main control computer mobile communication module is received and is instructed short message to carry out demodulation and be transferred to kernel control module through full duplex communication interface;
(7) the instruction short message is at first deposited in storage module;
(8) kernel control module extracts from storage module and instructs short message to handle, and calls corresponding program and carries out associative operation;
When (10) needing; The main control computer kernel control module is handled the back to the instruction short message and is generated new instruction; Transfer to wireless communication module through full duplex communication interface; Wireless communication module receives that new instruction encodes and use the short-range wireless communication technology to send to detector; The detector wireless communication module receives new instruction back and sends an answer signal to the main control computer wireless communication module, simultaneously new instruction is decoded and is transferred to single-chip microcomputer through full duplex communication interface, and corresponding operating is handled and carried out to single-chip microcomputer to new instruction;
5) transmission of all data and instruction, uplink and downlink can be carried out at one time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210080938XA CN102647454A (en) | 2012-03-26 | 2012-03-26 | Mobile-heterogeneity full-duplex communication van networking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210080938XA CN102647454A (en) | 2012-03-26 | 2012-03-26 | Mobile-heterogeneity full-duplex communication van networking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102647454A true CN102647454A (en) | 2012-08-22 |
Family
ID=46660027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210080938XA Pending CN102647454A (en) | 2012-03-26 | 2012-03-26 | Mobile-heterogeneity full-duplex communication van networking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102647454A (en) |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975668A (en) * | 2012-11-22 | 2013-03-20 | 福建星海通信科技有限公司 | CAN (Controller Area Network) bus-based vehicle remote control method |
| CN103198594A (en) * | 2013-03-07 | 2013-07-10 | 苏州路车智能电子有限公司 | Case goods active anti-theft system based on car networking |
| CN103227835A (en) * | 2013-04-27 | 2013-07-31 | 苏州洁祥电子有限公司 | Vehicle networking system and data backup method thereof |
| CN103259858A (en) * | 2013-04-27 | 2013-08-21 | 苏州洁祥电子有限公司 | Vehicle networking system |
| CN103413411A (en) * | 2013-08-21 | 2013-11-27 | 苏州路车智能电子有限公司 | Important traffic accident active rescuing system based on internet of vehicles |
| CN103413452A (en) * | 2013-08-21 | 2013-11-27 | 苏州路车智能电子有限公司 | Two-way active speed limiting and overspeed early warning system based on internet of vehicles |
| CN103439930A (en) * | 2013-08-06 | 2013-12-11 | 山重建机有限公司 | Engineering machinery internet of things device enabling GPRS communication technology and SMS communication technology to be switched |
| CN104917663A (en) * | 2014-03-12 | 2015-09-16 | 深圳市赛格导航科技股份有限公司 | ActiveMQ server-based positioning information distribution system and method |
| CN105405307A (en) * | 2015-12-10 | 2016-03-16 | 安徽海聚信息科技有限责任公司 | Internet of vehicles service management system |
| CN105489046A (en) * | 2015-12-31 | 2016-04-13 | 深圳市金溢科技股份有限公司 | Vehicle positioning method based on motion triggering, vehicle terminal, and positioning system |
| CN105870921A (en) * | 2016-05-12 | 2016-08-17 | 北京动科瑞利文科技有限公司 | Mobile emergency communication vehicle-mounted system |
| CN106028315A (en) * | 2016-06-30 | 2016-10-12 | 联想(北京)有限公司 | Data service transmission method, mobile communication device and server |
| CN107846432A (en) * | 2016-09-19 | 2018-03-27 | 北京智驾互联信息服务有限公司 | Data processing equipment and system |
| CN107872510A (en) * | 2016-09-27 | 2018-04-03 | 通用汽车有限责任公司 | Dynamic vehicle request strategy |
| CN107947911A (en) * | 2017-12-29 | 2018-04-20 | 数源科技股份有限公司 | The communicator and communication means of half-duplex simulation full duplex are realized based on host computer RS485 communications |
| CN108646620A (en) * | 2018-05-11 | 2018-10-12 | 南京铁道职业技术学院 | A kind of remote temperature monitor supervision platform and its method for computer room |
| CN108681470A (en) * | 2018-05-15 | 2018-10-19 | 成都道纬科技有限公司 | A kind of configuration of automotive electronics basic software and code generating system based on WEB technologies |
| CN109515351A (en) * | 2018-11-15 | 2019-03-26 | 上海赫千电子科技有限公司 | Distributed state machine and vehicle-carrying distribution system |
| CN110224893A (en) * | 2019-06-17 | 2019-09-10 | 长安大学 | A kind of computer testing system and test method for vehicle-mounted heterogeneous network |
| CN110692024A (en) * | 2017-06-02 | 2020-01-14 | 库卡系统有限责任公司 | Process control device |
| CN110913361A (en) * | 2019-12-17 | 2020-03-24 | 江苏恒宝智能系统技术有限公司 | Farmland node network system |
| CN110996286A (en) * | 2019-11-28 | 2020-04-10 | 的卢技术有限公司 | Vehicle control method and system based on wireless sensor |
| CN116915825A (en) * | 2023-09-14 | 2023-10-20 | 江西五十铃汽车有限公司 | Vehicle dynamic adaptive communication method, device and medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2870025Y (en) * | 2005-08-26 | 2007-02-14 | 厦门雅迅网络股份有限公司 | Telecontroller of automobile networking type central navigation system vehicle-carried apparatus |
| CN201063175Y (en) * | 2007-07-26 | 2008-05-21 | 北京东风机车电器厂 | System for transferring and analyzing remote information of vehicle |
| CN101951693A (en) * | 2010-08-03 | 2011-01-19 | 天津中启创科技有限公司 | Thing Internet gateway of heterogeneous wireless network and control method thereof |
-
2012
- 2012-03-26 CN CN201210080938XA patent/CN102647454A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2870025Y (en) * | 2005-08-26 | 2007-02-14 | 厦门雅迅网络股份有限公司 | Telecontroller of automobile networking type central navigation system vehicle-carried apparatus |
| CN201063175Y (en) * | 2007-07-26 | 2008-05-21 | 北京东风机车电器厂 | System for transferring and analyzing remote information of vehicle |
| CN101951693A (en) * | 2010-08-03 | 2011-01-19 | 天津中启创科技有限公司 | Thing Internet gateway of heterogeneous wireless network and control method thereof |
Cited By (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975668B (en) * | 2012-11-22 | 2015-05-20 | 福建星海通信科技有限公司 | CAN (Controller Area Network) bus-based vehicle remote control method |
| CN102975668A (en) * | 2012-11-22 | 2013-03-20 | 福建星海通信科技有限公司 | CAN (Controller Area Network) bus-based vehicle remote control method |
| CN103198594A (en) * | 2013-03-07 | 2013-07-10 | 苏州路车智能电子有限公司 | Case goods active anti-theft system based on car networking |
| CN103198594B (en) * | 2013-03-07 | 2015-06-24 | 苏州路车智能电子有限公司 | Case goods active anti-theft system based on car networking |
| CN103227835A (en) * | 2013-04-27 | 2013-07-31 | 苏州洁祥电子有限公司 | Vehicle networking system and data backup method thereof |
| CN103259858A (en) * | 2013-04-27 | 2013-08-21 | 苏州洁祥电子有限公司 | Vehicle networking system |
| CN103439930A (en) * | 2013-08-06 | 2013-12-11 | 山重建机有限公司 | Engineering machinery internet of things device enabling GPRS communication technology and SMS communication technology to be switched |
| CN103413411A (en) * | 2013-08-21 | 2013-11-27 | 苏州路车智能电子有限公司 | Important traffic accident active rescuing system based on internet of vehicles |
| CN103413452A (en) * | 2013-08-21 | 2013-11-27 | 苏州路车智能电子有限公司 | Two-way active speed limiting and overspeed early warning system based on internet of vehicles |
| CN103413452B (en) * | 2013-08-21 | 2015-12-23 | 苏州路车智能电子有限公司 | A kind of two-way active speed limit based on car networking and overspeed warning system |
| CN104917663A (en) * | 2014-03-12 | 2015-09-16 | 深圳市赛格导航科技股份有限公司 | ActiveMQ server-based positioning information distribution system and method |
| CN105405307A (en) * | 2015-12-10 | 2016-03-16 | 安徽海聚信息科技有限责任公司 | Internet of vehicles service management system |
| CN105489046A (en) * | 2015-12-31 | 2016-04-13 | 深圳市金溢科技股份有限公司 | Vehicle positioning method based on motion triggering, vehicle terminal, and positioning system |
| CN105870921A (en) * | 2016-05-12 | 2016-08-17 | 北京动科瑞利文科技有限公司 | Mobile emergency communication vehicle-mounted system |
| CN105870921B (en) * | 2016-05-12 | 2018-07-24 | 北京动科瑞利文科技有限公司 | Moving emergency communication vehicle-mounted system |
| CN106028315A (en) * | 2016-06-30 | 2016-10-12 | 联想(北京)有限公司 | Data service transmission method, mobile communication device and server |
| CN106028315B (en) * | 2016-06-30 | 2019-08-27 | 联想(北京)有限公司 | Data business transmission method, mobile communication equipment and server |
| CN107846432A (en) * | 2016-09-19 | 2018-03-27 | 北京智驾互联信息服务有限公司 | Data processing equipment and system |
| CN107872510A (en) * | 2016-09-27 | 2018-04-03 | 通用汽车有限责任公司 | Dynamic vehicle request strategy |
| CN110692024A (en) * | 2017-06-02 | 2020-01-14 | 库卡系统有限责任公司 | Process control device |
| CN107947911B (en) * | 2017-12-29 | 2023-12-01 | 数源科技股份有限公司 | Communication device and communication method for realizing half-duplex analog full duplex based on upper computer RS485 communication |
| CN107947911A (en) * | 2017-12-29 | 2018-04-20 | 数源科技股份有限公司 | The communicator and communication means of half-duplex simulation full duplex are realized based on host computer RS485 communications |
| CN108646620A (en) * | 2018-05-11 | 2018-10-12 | 南京铁道职业技术学院 | A kind of remote temperature monitor supervision platform and its method for computer room |
| CN108646620B (en) * | 2018-05-11 | 2021-04-20 | 南京铁道职业技术学院 | Remote temperature monitoring platform for machine room and method thereof |
| CN108681470A (en) * | 2018-05-15 | 2018-10-19 | 成都道纬科技有限公司 | A kind of configuration of automotive electronics basic software and code generating system based on WEB technologies |
| CN109515351B (en) * | 2018-11-15 | 2019-08-27 | 上海赫千电子科技有限公司 | Distributed state machine and vehicle-carrying distribution system |
| CN109515351A (en) * | 2018-11-15 | 2019-03-26 | 上海赫千电子科技有限公司 | Distributed state machine and vehicle-carrying distribution system |
| CN110224893B (en) * | 2019-06-17 | 2020-10-09 | 长安大学 | Computer test system and test method for vehicle-mounted heterogeneous network |
| CN110224893A (en) * | 2019-06-17 | 2019-09-10 | 长安大学 | A kind of computer testing system and test method for vehicle-mounted heterogeneous network |
| CN110996286A (en) * | 2019-11-28 | 2020-04-10 | 的卢技术有限公司 | Vehicle control method and system based on wireless sensor |
| CN110913361A (en) * | 2019-12-17 | 2020-03-24 | 江苏恒宝智能系统技术有限公司 | Farmland node network system |
| CN116915825A (en) * | 2023-09-14 | 2023-10-20 | 江西五十铃汽车有限公司 | Vehicle dynamic adaptive communication method, device and medium |
| CN116915825B (en) * | 2023-09-14 | 2024-01-12 | 江西五十铃汽车有限公司 | Vehicle dynamic adaptive communication method, device and medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102647454A (en) | Mobile-heterogeneity full-duplex communication van networking system | |
| CN102622872B (en) | A kind of multi-mode wireless communications vehicle road cooperation data interaction system | |
| CN203151492U (en) | Data acquisition and monitor system based on Beidou satellite short message remote communication | |
| CN101079188B (en) | Vehicle mounted terminal and public transportation system containing the vehicle-mounted terminal | |
| CN103971538B (en) | Based on the intelligent parking management system of vehicle-carrying communication | |
| CN206489680U (en) | City fire monitoring system based on loRa | |
| CN107733459A (en) | The vehicle-mounted T Box to be communicated based on DSRC and low-altitude satellite and its application | |
| CN106357321A (en) | Space-based Internet-of-Things system structure and networking method thereof | |
| CN103037007A (en) | Data sharing method and data sharing system based on geographic position service | |
| SG129283A1 (en) | Method and system for location management and location information providing system | |
| CN101354836A (en) | City parking information service system based on wireless sensor network | |
| CN102612170A (en) | Internet of Things logistics communication system based on master-slave node mode | |
| JP2012529797A (en) | Position information determination method, apparatus and system | |
| CN102664916A (en) | Multi-mode wireless communication vehicle road cooperation data interaction system | |
| CN101360012A (en) | System suitable for access by different data acquisition terminals | |
| CN102316410A (en) | Scenic spot passenger flow volume information system for acquiring scenic spot people information by using base station | |
| CA2765391C (en) | Method for providing location-specific data services | |
| CN104010047A (en) | Interrupt-tolerant traffic information spreading prototype system based on Android | |
| CN107067791A (en) | A kind of GPS terminal, vehicle information management system and its data processing method | |
| CN114302332A (en) | Positioning system and method based on narrow-band data broadcasting of Beidou third and all-terrain satellites | |
| CN104539722B (en) | A kind of collection method of remote short-haul connections manipulation data | |
| CN103809527A (en) | Manhole cover wireless monitoring system | |
| CN108898814A (en) | Electric power data acquisition transmission method and its system | |
| CN202222049U (en) | Scenic spot passenger flow information system capable obtaining scenic spot passenger flow information using base station | |
| CN103188648A (en) | Internet of things system and management method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 215500, Jiangsu, Changshou City province southeast Economic Development Zone, No. 99 Lake Road, building T2207 Applicant after: Roadvehicle Intelligent Electronic Co., Ltd. Address before: 215500, Jiangsu, Changshou City province southeast Economic Development Zone, No. 99 Lake Road, building T2207 Applicant before: Changshu Roadvechile Intelligent Electronic Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: CHANGSHU ROADVEHICLE INTELLIGENT ELECTRONIC CO., LTD. TO: SUZHOU ROADVEHICLE INTELLIGENT ELECTRONIC CO., LTD. |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120822 |