CN105072583A - Intelligent positioning and tracking system - Google Patents

Intelligent positioning and tracking system Download PDF

Info

Publication number
CN105072583A
CN105072583A CN201510464881.7A CN201510464881A CN105072583A CN 105072583 A CN105072583 A CN 105072583A CN 201510464881 A CN201510464881 A CN 201510464881A CN 105072583 A CN105072583 A CN 105072583A
Authority
CN
China
Prior art keywords
module
terminal
information
wireless
locating
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
Application number
CN201510464881.7A
Other languages
Chinese (zh)
Inventor
李燕龙
陈晓
王俊义
符杰林
王小琼
黄坤
陈永全
马振宇
谢俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guilin University of Electronic Technology
Original Assignee
Guilin University of Electronic Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guilin University of Electronic Technology filed Critical Guilin University of Electronic Technology
Priority to CN201510464881.7A priority Critical patent/CN105072583A/en
Publication of CN105072583A publication Critical patent/CN105072583A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/52—Determining velocity

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Navigation (AREA)

Abstract

The invention provides an intelligent positioning and tracking system mainly consisting of a positioning-tracking-communication integrated terminal and a server. A positioning module of the system acquires positioning data such as user information, driver information, vehicle basic information, equipment information, vehicle allocation information, alarm information, transmitted information, vehicle real-time positioning information, vehicle history positioning information and information statistics, and transmits the positioning data to the server through a GPRS (General Packet Radio Service) channel or a wireless data transmission channel after processing of the positioning data, or transmits the positioning data to a mobile terminal through a short message channel. Through adoption of a Beidou and/or GPS (Global Positioning System) positioning technology, the return quality is enhanced. The plurality of types of information is acquired, various types of information are returned, the provided GPRS channel, short message channel and wireless data transmission channel can be switched, and various return measures are provided, so that the problems of low return quality, less types of return information and single return measure in an existing dynamic navigation system are well solved.

Description

A kind of intelligent positioning tracking system
Technical field
The present invention relates to location navigation, field of wireless communication, be specifically related to a kind of intelligent positioning tracking system.
Background technology
Along with the fast development of urban economy, the quick renewal of road, the demand of people to vehicle constantly increases, this causes the burden of traffic system to become heavier, people bring into use a kind of dynamic vehicle navigation system, and this dynamic vehicle navigation system incorporates real-time dynamic information, can according to the real-time traffic situation of the trip requirements of user and respective regions for user provides optimum traffic path, to avoid congested link, balance urban transportation load better.
In existing dynamic vehicle navigation system, vehicle-mounted monitoring system passback mode mainly solely adopts the technology such as 2G/3G, impact by communication terrain environment and network coverage quality is comparatively large, and make the stability of system cloud gray model under some applied environment not high, passback quality is low; And the content mainly geographical location information of passback, back information kind is few, the requirement of multiple perception information passback under cannot meeting Internet of Things applied environment.In existing vehicle-mounted monitoring system, GPS provides locating information for vehicle, after locating information is processed, real-time traffic situation is showed intuitively, but in the application of reality, also just because of the impact of GPS position error, when vehicle is labeled on map, there will be the situation departing from actual travel road.
Summary of the invention
The invention provides a kind of intelligent positioning tracking system, solve the problem that existing dynamic vehicle navigation system passback quality is low, back information kind is few, passback means are single.
The present invention solves the problem by the following technical programs:
A kind of intelligent positioning tracking system, primarily of locating and tracking communicating integral terminal and server composition, locating and tracking communicating integral terminal is arranged on each vehicle, primarily of core processing and control module, locating module and wireless transport module composition, wherein, the output of locating module and core processing and control module are bi-directionally connected, and core processing and control module and wireless transport module are bi-directionally connected;
Described locating and tracking communicating integral terminal further comprises channel switching module, described channel switching module is arranged on core processing and between control module and wireless transport module, be bi-directionally connected with core processing and control module, be bi-directionally connected with wireless transport module;
Described wireless transport module passes transceiver module by terminal wireless communication module and terminal wireless number and forms; The receiving terminal of described terminal wireless communication module is connected with an output of channel switching module, and the transmitting terminal of described terminal wireless communication module is connected with an input of channel switching module, described terminal wireless communication module and server wireless connections; Described terminal wireless number passes the receiving terminal of transceiver module and is connected with another output of channel switching module, described terminal wireless number passes the transmitting terminal of transceiver module and is connected with another input of channel switching module, and described terminal wireless number passes transceiver module and server wireless connections;
Described server is made up of server end wireless communication module, server end wireless data sending transceiver module and data information management module; Described server end wireless communication module and the wireless connections of terminal wireless communication module, described server end wireless communication module and data information management module two-way interactive data; Described server end wireless data sending transceiver module and terminal wireless number pass transceiver module wireless connections, described server end wireless data sending transceiver module and data information management module two-way interactive data.
In such scheme, further comprise mobile terminal, described mobile terminal and server are bi-directionally connected.
In such scheme, described locating and tracking communicating integral terminal further comprises communication interface modules, one end of described communication interface modules and core processing and control module are bi-directionally connected, and the other end of described communication interface modules is connected with outside expanding communication equipment.
In such scheme, described communication interface modules comprises serial ports and USB interface, and described serial ports and USB interface one end are connected with core processing and control module, and the other end is connected with external equipment.
In such scheme, described locating and tracking communicating integral terminal further comprises touch LCD screen, and described touch LCD screen is connected with core processing and control module.
In such scheme, described locating module is the Big Dipper and/or GPS locating module, and the Big Dipper and/or GPS locating module and core processing and control module are bi-directionally connected.
The present invention constructs an a kind of intelligent positioning tracking system formed primarily of locating and tracking communicating integral terminal and server, the locating module of this system gathers locator data, as user profile, human pilot information, vehicle essential information, facility information, vehicle assignment information, warning information, transmission information, vehicle real-time positioning information, vehicle history locating information, Information Statistics etc., by after locator data process by GPRS passage or wireless data sending channel transfer to server, or be sent to mobile terminal by short message channel.Present invention employs the Big Dipper and/or GPS location technology, improve passback quality, gather above-mentioned much information, back information kind is many, the GPRS passage provided, short message channel and wireless data sending passage can switch, passback means are various, solve the problem that existing dynamic vehicle navigation system passback quality is low, back information kind is few, passback means are single well.
Compared with prior art, there is following features:
1, the Big Dipper and/or GPS locating module apply to the up-to-date Beidou satellite navigation system BDS of China's independent research, adopt Big Dipper location and/or GPS location technology, there is location and the double action that communicates, the SMS communication function possessed, can combine with navigation, can round-the-clock quick position, rarely communication blind district, precision is suitable with GPS, in enhancing region i.e. the Asian-Pacific area, and even can more than GPS;
2, in communication aspects, for guaranteeing that system adapts to the requirement of information back under various actual application environment, system adopts multiple communication techniques such as comprising 2G/3G, VHF/UHF number biography and satellite communication flexibly, establish GPRS passage, short message channel, wireless data sending passage, according to multichannel passback mechanism, self-adapting detecting present channel environment, selects suitable return path.
Accompanying drawing explanation
Fig. 1 is the structural principle block diagram of a kind of intelligent positioning tracking system of the present invention.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but the present invention is not limited to these embodiments.
A kind of intelligent positioning tracking system, same as the prior art, primarily of locating and tracking communicating integral terminal and server composition, locating and tracking communicating integral terminal is arranged on each vehicle, primarily of core processing and control module, locating module and wireless transport module composition, wherein, the output of locating module and core processing and control module are bi-directionally connected, core processing and control module and wireless transport module are bi-directionally connected, and difference is:
Locating and tracking communicating integral terminal further comprises channel switching module, communication interface modules and touch LCD screen; Channel switching module is arranged on core processing and between control module and wireless transport module, is bi-directionally connected, is bi-directionally connected with wireless transport module with core processing and control module; One end of communication interface modules and core processing and control module are bi-directionally connected, the other end is connected with external equipment, this communication interface modules comprises serial ports and USB interface, and one end of serial ports and USB interface is connected with core processing and control module, and the other end is connected with external equipment; Touch LCD screen is connected with core processing and control module;
Wireless transport module passes transceiver module by terminal wireless communication module and terminal wireless number and forms; The receiving terminal of terminal wireless communication module is connected with channel switching module output, and the transmitting terminal of terminal wireless communication module is connected with channel switching module input, terminal wireless communication module and server wireless connections; Terminal wireless number passes the receiving terminal of transceiver module and is connected with another output of channel switching module, terminal wireless number passes the transmitting terminal of transceiver module and is connected with another input of channel switching module, and terminal wireless number passes transceiver module and server wireless connections;
Server is made up of server end wireless communication module, server end wireless data sending transceiver module and data information management module; Server end wireless communication module and the wireless connections of terminal wireless communication module, server end wireless communication module and data information management module two-way interactive data; Server end wireless data sending transceiver module and terminal wireless number pass transceiver module wireless connections, server end wireless data sending transceiver module and data information management module two-way interactive data.
This intelligent positioning tracking system, further comprises mobile terminal, and mobile terminal and server are bi-directionally connected.Locating module in the present invention is the Big Dipper and/or GPS locating module, and the Big Dipper and/or GPS locating module and core processing and control module are bi-directionally connected.
Locating module adopts Big Dipper location and/or GPS location technology to gather satellite data, parses the information such as longitude and latitude.Adopt the UM220-IIIN positioning chip based on SoC, inside is integrated with radio circuit and SOC, and draws communication interface, UM220-IIIN module provides serial ports 1 and serial ports 2, serial ports 1 is main serial ports, supported data transmission, firmware upgrade functionality, and input/output signal type is LVTTL level; Serial port baud rate all can be configured to 9600,115200 etc. by user voluntarily, and serial ports 2 only supported data transmission, does not support firmware upgrade, give over to for subsequent use; UM220-IIIN adopts Dual System Design, possesses multi-frequency, the advantages such as high-performance, can support BD2B1, GPSL1 two frequency bins simultaneously, and directly can export NMEA data and without the need to outer CPU support from serial ports; UM220-III module uses SMT pad and supports the full-automatic standard of reflow soldering and integration, the Big Dipper minimum in the market and/or GPS module, high energy-conservation, meet very much energy-conservation, that size requirements is high end product, be particularly useful for low cost, low-power consumption field.The Big Dipper and/or GPS locating module receive the navigation message sent from triones navigation system BDS on the one hand, navigation message is resolved, obtain the information such as longitude, latitude, speed, server is sent to after treatment together with out of Memory, current triones navigation system BDS has covering China even the regional service ability of most of Asia, for user provides high-precision navigation, location and time service service, triones navigation system BDS combines navigation with communication, can in remote districts, as grassland, the place that the mobile phones such as desert cannot use plays a significant role; On the other hand; GPS is located through and obtains gps satellite signal and carry out following the trail of to guarantee to get real time positioning data continuously to the satellite searched; just the information such as on-site position, positioning time, date can be parsed according to these signals; there is area coverage wide; the features such as positioning precision is high, and locating speed is fast.Adopt Big Dipper location and/or GPS location technology, improve passback quality.
Terminal wireless communication module and server end wireless communication module are GSM/GPRS/WCDMA transceiver module, and terminal wireless number passes transceiver module and server end wireless data sending transceiver module is very high frequency(VHF) wireless data sending transceiver module.Core processing and control module extract the data of the Big Dipper and/or the output of GPS locating module, after being processed, select return path by channel switching module, send data by GSM/GPRS/WCDMA transceiver module and very high frequency(VHF) wireless data sending transceiver module.Core processing and control module adopt Samsung S3C6410, have multiple serial ports, multiple USB interface, I 2c interface and Ethernet interface etc., can be connected with multiple outside, and autgmentability is strong, and in addition, it is low in energy consumption, execution speed is fast, price is low, and can perform multitask, and have real-time, disposal ability is strong.
Channel switching module is used for realizing passage bridge, controls by core processing and control module.GSM/GPRS/WCDMA transceiver module by GPRS passage locator data uploaded onto the server or or by short message channel, locator data is transferred to mobile terminal, locator data uploads onto the server by wireless data sending passage by very high frequency(VHF) wireless data sending transceiver module, and channel switching module switches at GPRS passage, short message channel and wireless data sending interchannel under the control of core processing and control module.Gating road headed by GPRS passage, as long as GPRS passage is connected, just only selects GPRS passage, only has when GPRS passage disconnects, be just switched to short message channel, and when only having GPRS passage and short message channel all to disconnect, be just switched to wireless data sending passage.
GSM/GPRS/WCDMA transceiver module adopts SIM5320E chip, the communication standard of this chip support comprises GSM/GPRS/WCDMA, this chip supports that downstream rate can reach 3.6Mbps, upstream rate can reach 384kbps, traffic operation can be completed by control chip by AT instruction, by GPRS passage locator data uploaded onto the server or or by short message channel, locator data is transferred to mobile terminal, there is the feature of low-power consumption, high reliability, high execution efficiency.SIM5320E power supply interface, USB interface, serial line interface, GPS interface, SIM card interface etc.For data communication interface, present invention employs USB.Because SIM5320E supports GPS location, and terminal does not need the GPS function using SIM5320E module, so only need to design external main antenna.The key component of SIM5320E peripheral hardware circuit has power circuit, electrification circuit, SIM card circuit.Power circuit adopts MIC29302 to be high-precision voltage regulator, for 5V voltage transitions is become 4.2V voltage, for SIM5320E powers; Electrification circuit adopts the mode of operation of passive calling, and when not needing transceiving data, SIM5320E enters park mode to reduce power consumption; SIM card circuit can be attached to GSM or UMTS network, realizes GPRS and short message data transmission, and carries out voltage stabilization, waveform improvement and EMC performance enhancement.
Very high frequency(VHF) wireless data sending transceiver module adopts YL-500IW, this is a high stability, low-power consumption, the wireless transparent data transmit-receive module of the employing GFSK modulation system of high performance-price ratio, it is little, highly sensitive that this module has size relative to other module, long transmission distance, communication digit rate is high, and inside completes the features such as communications protocol conversion and data transmit-receive control automatically, directly completes communication by transparent transmission.
Touch LCD screen employing 4.3 cun of touch screens, it is cheap, interface circuit design is simple, is operated, can realize good display effect by finger or pointer, drive circuit is comparatively perfect, volume is little, low in energy consumption, and displaying contents comprises real-time time, longitude and latitude, speed, channel status etc., the port mutual with external equipment has also been reserved in this touch screens inside, is convenient to carry out secondary development.
Communication interface modules has multiple serial ports, multiple USB interface, I according to the chip S3C6410 of core processing and control module 2the characteristic of C interface and Ethernet interface, by each serial ports, USB interface, I 2c interface and Ethernet interface are drawn, and are connected, for expanding system function with external equipment.S3C6410 draws at least three serial ports, and one of them is debugged for terminal, wherein two for external device communication, more Multi-serial port can be drawn according to demand.S3C6410 carries multiple USB interface, and the present invention controls the circuit of USB interface without the need to adding, the present invention adopts the USBHOST1.1 interface circuit of A type, for accessing external equipment, as power interface.
The server end wireless communication module of server is corresponding with the terminal wireless communication module of locating and tracking communicating integral terminal, has identical communication modes; It is corresponding that server end wireless data sending transceiver module and the terminal wireless number of locating and tracking communicating integral terminal of server pass transceiver module, has identical wireless data sending transmitting-receiving mode.Server end wireless communication module and server end wireless data sending transceiver module and locating and tracking communicating integral terminal set up multichannel communication, based on GPRS, note and wireless data sending are that auxiliary communication mode receives user data, locating and tracking communicating integral terminal is monitored, the data after process are stored in data information management module; Data information management module is used for management data, and these data comprise user profile, human pilot information, vehicle essential information, facility information, vehicle assignment information, warning information, transmission information, vehicle real-time positioning information, vehicle history locating information and Information Statistics.
Mobile terminal and server are bi-directionally connected, and mobile terminal is mobile phone, panel computer or the mobile device with display screen, support Android, iOS, Windows system.On mobile terminals APP is installed, checks for logon server or use browser to browse the position at each locating and tracking communicating integral terminal place, moving direction, the information such as speed and historical track.
The course of work of the present invention is as follows: the Big Dipper and/or GPS locating module adopt Big Dipper location and/or GPS location technology to gather satellite data, parse longitude and latitude, positioning time, the information such as date, core processing and control module extract the data of the Big Dipper and/or the output of GPS locating module, and after being processed, control channel handover module is at GPRS passage, short message channel and wireless data sending interchannel switch, and will comprise user profile, human pilot information, vehicle essential information, facility information, vehicle assignment information, warning information, transmission information, vehicle real-time positioning information, vehicle history locating information and Information Statistics transfer to server by GSM/GPRS/WCDMA transceiver module or very high frequency(VHF) wireless data sending transceiver module, data are done further process by server, and feed back to locating and tracking communicating integral terminal and show, user also can be checked by the APP program logon server of mobile terminal or use browser to browse the position at each locating and tracking communicating integral terminal place, moving direction, the information such as speed and historical track.

Claims (6)

1. an intelligent positioning tracking system, primarily of locating and tracking communicating integral terminal and server composition, locating and tracking communicating integral terminal is arranged on each vehicle, primarily of core processing and control module, locating module and wireless transport module composition, wherein, the output of locating module and core processing and control module are bi-directionally connected, and core processing and control module and wireless transport module are bi-directionally connected, and it is characterized in that:
Described locating and tracking communicating integral terminal further comprises channel switching module, described channel switching module is arranged on core processing and between control module and wireless transport module, be bi-directionally connected with core processing and control module, be bi-directionally connected with wireless transport module;
Described wireless transport module passes transceiver module by terminal wireless communication module and terminal wireless number and forms; The receiving terminal of described terminal wireless communication module is connected with an output of channel switching module, and the transmitting terminal of described terminal wireless communication module is connected with an input of channel switching module, described terminal wireless communication module and server wireless connections; Described terminal wireless number passes the receiving terminal of transceiver module and is connected with another output of channel switching module, described terminal wireless number passes the transmitting terminal of transceiver module and is connected with another input of channel switching module, and described terminal wireless number passes transceiver module and server wireless connections;
Described server is made up of server end wireless communication module, server end wireless data sending transceiver module and data information management module; Described server end wireless communication module and the wireless connections of terminal wireless communication module, described server end wireless communication module and data information management module two-way interactive data; Described server end wireless data sending transceiver module and terminal wireless number pass transceiver module wireless connections, described server end wireless data sending transceiver module and data information management module two-way interactive data.
2. a kind of intelligent positioning tracking system according to claim 1, it is characterized in that: further comprise mobile terminal, described mobile terminal and server are bi-directionally connected.
3. a kind of intelligent positioning tracking system according to claim 1, it is characterized in that: described locating and tracking communicating integral terminal further comprises communication interface modules, one end of described communication interface modules and core processing and control module are bi-directionally connected, and the other end of described communication interface modules is connected with outside expanding communication equipment.
4. a kind of intelligent positioning tracking system according to claim 3, it is characterized in that: described communication interface modules comprises serial ports and USB interface, described serial ports and USB interface one end are connected with core processing and control module, and the other end is connected with external equipment.
5. a kind of intelligent positioning tracking system according to claim 1, is characterized in that: described locating and tracking communicating integral terminal further comprises touch LCD screen, and described touch LCD screen is connected with core processing and control module.
6. according to a kind of intelligent positioning tracking system in claim 1-5 described in any one, it is characterized in that: described locating module is the Big Dipper and/or GPS locating module, the Big Dipper and/or GPS locating module and core processing and control module are bi-directionally connected.
CN201510464881.7A 2015-07-31 2015-07-31 Intelligent positioning and tracking system Pending CN105072583A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510464881.7A CN105072583A (en) 2015-07-31 2015-07-31 Intelligent positioning and tracking system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510464881.7A CN105072583A (en) 2015-07-31 2015-07-31 Intelligent positioning and tracking system

Publications (1)

Publication Number Publication Date
CN105072583A true CN105072583A (en) 2015-11-18

Family

ID=54501837

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510464881.7A Pending CN105072583A (en) 2015-07-31 2015-07-31 Intelligent positioning and tracking system

Country Status (1)

Country Link
CN (1) CN105072583A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107942361A (en) * 2017-11-28 2018-04-20 安徽天立泰科技股份有限公司 Big Dipper positioning and communicating portable terminal device system
CN110013224A (en) * 2019-04-19 2019-07-16 北京邮电大学 A kind of intelligent wearable device and help-asking system
CN112698369A (en) * 2020-12-10 2021-04-23 电子科技大学 High-precision satellite navigation system with data simulation
CN112947410A (en) * 2021-01-26 2021-06-11 浙江亿控自动化设备有限公司 Forklift operation starting control method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102390410A (en) * 2011-06-23 2012-03-28 中国北车股份有限公司大连电力牵引研发中心 Vehicle monitoring system based on Beidou system and control method thereof
CN203365684U (en) * 2013-07-17 2013-12-25 王蓓蓓 A Beidou satellite full-function positioning communication terminal
CN204518091U (en) * 2015-02-02 2015-07-29 北京兴科迪科技有限公司 Fleet's MANET wireless communication system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102390410A (en) * 2011-06-23 2012-03-28 中国北车股份有限公司大连电力牵引研发中心 Vehicle monitoring system based on Beidou system and control method thereof
CN203365684U (en) * 2013-07-17 2013-12-25 王蓓蓓 A Beidou satellite full-function positioning communication terminal
CN204518091U (en) * 2015-02-02 2015-07-29 北京兴科迪科技有限公司 Fleet's MANET wireless communication system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107942361A (en) * 2017-11-28 2018-04-20 安徽天立泰科技股份有限公司 Big Dipper positioning and communicating portable terminal device system
CN110013224A (en) * 2019-04-19 2019-07-16 北京邮电大学 A kind of intelligent wearable device and help-asking system
CN112698369A (en) * 2020-12-10 2021-04-23 电子科技大学 High-precision satellite navigation system with data simulation
CN112947410A (en) * 2021-01-26 2021-06-11 浙江亿控自动化设备有限公司 Forklift operation starting control method

Similar Documents

Publication Publication Date Title
CN202871093U (en) Vehicle smart terminal based on dual-mode navigation and positioning technology
CN102622872B (en) A kind of multi-mode wireless communications vehicle road cooperation data interaction system
CN202143104U (en) Remote monitoring system, terminal and monitoring center for engineering mechanical equipment
CN105072583A (en) Intelligent positioning and tracking system
Yongjun et al. Intelligent transportation system based on Internet of Things
CN104504936B (en) General aviation aircraft navigation monitoring device
CN204287488U (en) A kind of Big Dipper bluetooth companion user terminal
CN101789154A (en) Returning location searching method for leased bicycle
CN203191711U (en) Timing system
CN205230373U (en) Black spot forecast warning system
CN202183788U (en) Vehicle-mounted information system
CN204795611U (en) Intelligence location and tracking system
CN107393299A (en) A kind of remote monitoring system car-mounted terminal
CN206077694U (en) A kind of hand-held wifi probes with BLE bluetooth sniffers
CN203204843U (en) Wireless handheld traffic signal secret service control device
CN105807294A (en) Beidou receiver of real time landslide monitoring type and working method of Beidou receiver
CN204392587U (en) RFDC integrated terminal device
CN205028055U (en) Time synchronous control system of traffic management system
CN104244177A (en) Signal illiteracy eliminating system based on received signal strength indications and implementation method of signal illiteracy eliminating system based on received signal strength indications
CN107179724A (en) A kind of traffic light signals cycle harvester
CN110751856B (en) Ship identification and positioning system and method
CN202889369U (en) Internet of things equipment
CN108259535A (en) Intellective Communication System and method applied to traffic signal control system
CN206061158U (en) A kind of fixed wifi probes with BLE bluetooth sniffers
CN203588388U (en) Mobile financial payment terminal with GPS and LBS positioning function

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20151118