GSM and IDEN similarities
Matthew Carpenter
mcarpenter at intelguardians.com
Sat Jul 5 21:02:34 CEST 2008
Hey all,
I've been considering a project to hack the FreeRunner to work on my Nextel
network. The information I'm finding seems to suggest that GSM and iDEN are
somewhat related. Both use SIM-cards and TDMA, and iDEN even uses GSM
signaling for call setup (according to Wikipedia). Whatever changes past
that I do not yet know.
Before I delve too deeply into this project, does anyone have any knowledge
about how different the network technologies are, and how modular is the
radio design of the openmoko device? ie. If I swap out one comms chip with
another, how much of the existing infrastructure has to change? Do I even
need to swap out the ICs? Is iDEN simply a superset of GSM?
Why do I care? Because I work mostly out of my home, and I live in a place
where only Nextel covers at all well. I'm contemplating engaging in a new
contract with Nextel but would like a great phone too.
Thanks!
Matt
--
Matthew Carpenter
mcarpenter at intelguardians.com
http://www.intelguardians.com
PGP Fingerprint:
87EB 54A8 FB42 0A0E B8AE CDA7 FF99 2A64 E70F 4466
hkp://wwwkeys.pgp.net
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