[92772] in Cypherpunks
RE: Location Escrow anyone ?
daemon@ATHENA.MIT.EDU (Pearson Shane)
Thu Jan 8 04:46:02 1998
Date: Tue, 06 Jan 1998 12:21:48 +1100
From: Pearson Shane <Shane.Pearson@tafensw.edu.au>
To: "'Steve Schear'" <schear@lvdi.net>, "'Kay Ping'" <kping@nym.alias.net>,
"'cypherpunks@toad.com'" <cypherpunks@toad.com>
Reply-To: Pearson Shane <Shane.Pearson@tafensw.edu.au>
Hi All,
>
>> 800 MHz analog may be the most difficult. GSM perhaps can reach 500 meteres
>>under ideal conditions
>> (Andreas Bogk). IS-95/CDMA probably a bit better than GSM due to the very
>>high data (chip) rate and
>> spread spectrum's better multipath characteristics, although the system's
>>multipath performance most
>> improves communications not ranging (Phil Karn, Qualcomm).
>
>
>GSM doesn't use spread spectrum?
>
>Either way, I'd imagine that the accurate time domain division used with GSM
>would provide
>the Telco's with something a lot better than 500 meters.
>
>Some cells where I live aren't much further apart than 500 meters. :)
>
>Bye for now.