For Liars and Loafers, Cellphones Offer an Alibi

[Thomas Shaddack]

On Sun, 27 Jun 2004, Eugen Leitl wrote:

> Triangulation by signal strength is one thing, triangulation by relativistic
> ToF (time of flight) -- while still not present in consumer gadgets -- is far
> more difficult to fool. Especially if it's tied into the protocol, that
> you're getting position fixes along with your sent packets.

You may cheat and use the geography, if suitable, to your advantage. Use a
high-gain antenna and bounce the signal off a suitable cliff or building.

Multipaths don't have to be enemies; pick a suitable one and use it as a
cover. The added advantage is fooling both the direction and the distance.