Related topics: wireless carriers

Engineers discover unique fingerprint for cell phones

(Phys.org) —Law enforcement officials may soon have a new tool at their disposal—a device that can distinguish between cell phones based on their digital signal. In the never ending game of cat-and-mouse between law enforcement ...

Why innovation thrives in cities

In 2010, in the journal Nature, a pair of physicists at the Santa Fe Institute showed that when the population of a city doubles, economic productivity goes up by an average of 130 percent. Not only does total productivity ...

Increasing efficiency of wireless networks

(Phys.org)—Two professors at the University of California, Riverside Bourns College of Engineering have developed a new method that doubles the efficiency of wireless networks and could have a large impact on the mobile ...

'Spoofed' GPS signals can be countered, researchers show

(Phys.org) -- From cars to commercial airplanes to military drones, global positioning system (GPS) technology is everywhere -- and Cornell researchers have known for years that it can be hacked, or as they call it, "spoofed." ...

GPS court ruling leaves US phone tracking unclear

A US Supreme Court decision requiring a warrant to place a GPS device on the car of a criminal suspect leaves unresolved the bigger issue of police tracking using mobile phones, legal experts say.

Document shows how phone cos. treat private data

A document obtained by the ACLU shows for the first time how the four largest cellphone companies in the U.S. treat data about their subscribers' calls, text messages, Web surfing and approximate locations.

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