[2030] in cryptography@c2.net mail archive
Re: Mobile phones used as trackers
daemon@ATHENA.MIT.EDU (Andreas Bogk)
Fri Jan 2 10:40:07 1998
To: Phil Karn <karn@qualcomm.com>
Cc: foner@media.mit.edu, davidw@datamgmt.com, cryptography@c2.net,
perry@piermont.com
From: Andreas Bogk <andreas@artcom.de>
Date: 01 Jan 1998 23:17:13 +0100
In-Reply-To: Phil Karn's message of Tue, 30 Dec 1997 18:06:43 -0800 (PST)
>>>>> "Phil" == Phil Karn <karn@qualcomm.com> writes:
Phil> So I suspect the article refers to being able to locate a
Phil> user to a cell, or to a sector of a multi-sectored cell.
Phil> After all, that's precisely the resolution the network needs
Phil> to deliver your calls, and to hand you off during calls.
Well, in the case of GSM, the propagation delay between the terminal
and the cell is measured and compensated in order to have tighter
timeslot boundaries. The resolution of this measurement is about 500
meters.
Andreas
--
This story whether grounded in fact or not has been sanctioned
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