Thread: 2 antennas: 2D direction to the cell tower?
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tso is offline tso
2010-09-03 , 05:00
Posts: 4,783 | Thanked: 1,253 times | Joined on Aug 2007 @ norway
#7
Originally Posted by j.s View Post
The Sprint CDMA cellular modems in the Amazon Kindle can get the latitude and longitude of the tower from the tower. Don't know if GSM has a similar feature.

http://www.mobileread.com/forums/showthread.php?t=92306
That is what they call assisted gps. It allows gps to lock on faster as it do not have to waste time do a general table lookup as well as give a rough location when gps coverage is poor (if one have two or more cell towers nearby).

And yes, i have seen it in action on GSM/UMTS phones.
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