Cell Phone Signals As Traffic Jam Alarms

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Cell Phone Signals As Traffic Jam Alarms
Cell Phone Signals As Traffic Jam Alarms

Video: Cell Phone Signals As Traffic Jam Alarms

Video: Cell Phone Signals As Traffic Jam Alarms
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Like Vodafon and TomTom, Telekom subsidiary T-Systems Traffic is also working on a traffic situation system that evaluates countless mobile phone data in order to get more reliable information about traffic jams and other traffic obstacles.

The traffic service TMCpro wants to warn of traffic jams with the help of cellular data. To this end, the service wants to evaluate the movement profiles of more than 17 million cell phones, as the operator T-Systems Traffic reports in Bonn. Motorists should not only be informed about traffic obstructions on motorways, but also on federal and country roads.

Messages from the cellular cells

The "Floating Phone Data" technology serves as the basis. According to the information, when crossing a radio cell, the anonymized registration and deregistration processes of the individual mobile phones are analyzed and the data compared with the road network. In this way, they provided "an image of the current traffic flow". Before being transmitted to the navigation devices, the data would be compared with those from conventional sources such as bridge sensors, induction loops or state reporting points.

New sat navs with built-in SIM cards

Because of the large amount of data, however, the new generation of the TMCpro service cannot be fully transmitted via the previously used TMC channel of the FM radio signal RDS. However, digital transmission channels for radio and mobile communications offer enough bandwidth. In the so-called Connected Devices, a new generation of navigation systems, a built-in SIM card is responsible for sending and receiving the TMCpro data via GPRS. The first devices that can process the new technology should come onto the market in the first quarter of 2009, according to T-Systems Traffic. (dpa / gms)

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