GPS is the abbreviation of English Global Positioning System, which means global positioning system. The global positioning system uses navigation satellites to measure time and distance, so that users anywhere on the earth can calculate their position.
The on-board GPS receiver receives the positioning data sent by the satellite every second, and calculates the coordinates of its geographical location based on the data sent from more than three different satellites.
The GPS system constitutes the space part-GPS satellite constellation;
Ground control part-ground Monitoring System;
User Equipment part-GPS signal receiver.
Application of mature technology GPS global satellite positioning system technology Computer network technology
Wireless communication technology
Data storage, data retrieval and data warehouse technology Geographic Information Technology (GIS)
Call center Vehicle control technology System composition The system mainly involves three major parts of vehicle machine, control center and SMS short message center vehicle machine (vehicle unit)
*control center
The entire control center is composed of call center system, general dispatch center system, Internet service, system management system, geographic information system, data analysis system, etc. Including GPS satellite positioning technology, radio communication technology, digital transmission technology, adaptive technology, encryption technology, remote control technology, computer network technology, etc. Under the organic cooperation of geographic information system (GIS), electronic map, communication software, management software, control software and other software, it is integrated into an accurate, real-time, confidential and reliable information processing system.
The monitoring center is responsible for controlling the operation of the entire wireless communication network, receiving the information from the mobile unit, and sending the information to the monitoring platform; the monitoring platform is a monitoring and control operation platform mainly based on electronic maps, with a very convenient information database and Powerful electronic map operation function.
Hardware equipment includes: network equipment, storage equipment, computing equipment, display equipment, lighting and sound equipment, digital and voice communication equipment.
The software includes: operating system software, database software, communication software, application system software, etc.
Management personnel: including duty monitoring personnel, foreman, public information release personnel, maintenance personnel, etc.
* SMS Short Message Center
Short message center is a system for receiving and sending short messages in wireless communication. Since our system uses GSM SMS short message transmission, in order to speed up our data transmission speed, we need to establish our own short message center or in the telecommunications department Establish a dedicated short message system to increase the priority of the entire system to ensure timely and reliable data transmission and reduce the time delay of data transmission.
Composition of GPS vehicle positioning anti-theft system On-board GPS anti-theft unit n control center (management platform, short message center)
The main function:
GPS positioning, alarm and monitoring and dispatching functions Automobile anti-theft and anti-robbing function Two highly integrated functions The vehicle GPS anti-theft unit is composed of GPS receiver module Vehicle anti-theft module Data communication module
System interaction
Control center software main interface diagram
Wireless communication
Wireless communication is the medium between the vehicle-mounted unit and the control center, which can realize the transmission of data and voice at the same time.
To save communication costs, you can also use GSM, GPRS, CDPD, CDMA digital short message (SMS) channels.
Source of information: Founder website
