Dwntwnslim
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Pursuit MAGAZINE
Locating Mobile Phones through Pinging and
Triangulation
Jul 1, 2008
http://pursuitmag.com/locating-mobile-phones-through-pinging-and-triangulation/
There are two ways a cellular network provider can locate a phone connected to their network, either through pinging or triangulation. Pinging is a digital process and triangulation is an analog process.
A cell phone ping is quite simply the process of determining the location, with reasonable accuracy, of a cell phone at any given point in time by utilizing the phone GPS location aware capabilities, it is very similar to GPS vehicle tracking systems. To ping in this context means to send a signal to a particular cell phone and have it respond with the requested data."
...... RSBM......
"When a new digital cell phone is pinged, it determines its latitude and longitude via GPS and sends these coordinates back via the SMS system (the same system used to send text messages).
With the older style analog cellular phones and digital mobile phones that are not GPS capable the cellular network provider can determine where the phone is to within a hundred feet or so using triangulation because at any one time, the phone is usually able to communicate with more than one of the aerial arrays provided by the phone network. The cell towers are typically 6 to 12 miles apart (less in cities) and a phone is usually within range of at least three of them. By comparing the signal strength and time lag for the phones carrier signal to reach at each tower, the network provider can triangulate the phones approximate position.
Pursuit MAGAZINE
Locating Mobile Phones through Pinging and
Triangulation
Jul 1, 2008
http://pursuitmag.com/locating-mobile-phones-through-pinging-and-triangulation/
There are two ways a cellular network provider can locate a phone connected to their network, either through pinging or triangulation. Pinging is a digital process and triangulation is an analog process.
A cell phone ping is quite simply the process of determining the location, with reasonable accuracy, of a cell phone at any given point in time by utilizing the phone GPS location aware capabilities, it is very similar to GPS vehicle tracking systems. To ping in this context means to send a signal to a particular cell phone and have it respond with the requested data."
...... RSBM......
"When a new digital cell phone is pinged, it determines its latitude and longitude via GPS and sends these coordinates back via the SMS system (the same system used to send text messages).
With the older style analog cellular phones and digital mobile phones that are not GPS capable the cellular network provider can determine where the phone is to within a hundred feet or so using triangulation because at any one time, the phone is usually able to communicate with more than one of the aerial arrays provided by the phone network. The cell towers are typically 6 to 12 miles apart (less in cities) and a phone is usually within range of at least three of them. By comparing the signal strength and time lag for the phones carrier signal to reach at each tower, the network provider can triangulate the phones approximate position.