06-09-2017, 11:58 AM
A vehicle tracking system combines the use of automatic vehicle tracking in individual vehicles with software that collects these fleet data to get a complete picture of vehicle locations. Modern vehicle tracking systems generally use GPS or GLONASS technology to locate the vehicle, but other types of automatic vehicle tracking technology can also be used. Vehicle information can be viewed on electronic maps through the Internet or specialized software. Urban public transport authorities are an increasingly common user of vehicle tracking systems, especially in large cities.
There are several types of vehicle tracking devices. They are usually classified as "passive" and "active". The "passive" devices store the GPS location, speed, heading and sometimes a trigger event such as the activation / deactivation of the key, the door open / closed. Once the vehicle returns to a predetermined point, the device is removed and the data downloaded to a computer for evaluation. Passive systems include the type of automatic download that transfers data through the wireless download. "Active" devices also collect the same information but usually transmit the data in near-real time through cellular or satellite networks to a computer or data center for evaluation.
Many modern vehicle tracking devices combine active and passive tracking skills: when a cellular network is available and a tracking device is connected, it transmits data to a server; when a network is unavailable, the device stores the data in the internal memory and transmits the stored data to the server later when the network becomes available again.
Historically, vehicle tracking has been achieved by installing a box in the vehicle, either with its own power supply with a battery or wiring in the vehicle's power system. For the detailed location and tracking of the vehicle is still the predominant method; however, many companies are increasingly interested in new cell phone technologies that provide tracking of multiple entities, such as a seller and their vehicle. These systems also provide call tracking, text, web usage and, in general, offer a wider range of options.
There are several types of vehicle tracking devices. They are usually classified as "passive" and "active". The "passive" devices store the GPS location, speed, heading and sometimes a trigger event such as the activation / deactivation of the key, the door open / closed. Once the vehicle returns to a predetermined point, the device is removed and the data downloaded to a computer for evaluation. Passive systems include the type of automatic download that transfers data through the wireless download. "Active" devices also collect the same information but usually transmit the data in near-real time through cellular or satellite networks to a computer or data center for evaluation.
Many modern vehicle tracking devices combine active and passive tracking skills: when a cellular network is available and a tracking device is connected, it transmits data to a server; when a network is unavailable, the device stores the data in the internal memory and transmits the stored data to the server later when the network becomes available again.
Historically, vehicle tracking has been achieved by installing a box in the vehicle, either with its own power supply with a battery or wiring in the vehicle's power system. For the detailed location and tracking of the vehicle is still the predominant method; however, many companies are increasingly interested in new cell phone technologies that provide tracking of multiple entities, such as a seller and their vehicle. These systems also provide call tracking, text, web usage and, in general, offer a wider range of options.