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Re: [Discuss-gnuradio] USDR-based GSM/UMTS handset?

From: Cinaed Simson
Subject: Re: [Discuss-gnuradio] USDR-based GSM/UMTS handset?
Date: Fri, 11 Aug 2017 17:36:11 -0700
User-agent: Mozilla/5.0 (X11; Linux i686; rv:52.0) Gecko/20100101 Thunderbird/52.2.1

On 08/11/2017 08:42 AM, m.j.thayer wrote:
> (Re-sendung this after subscribing. Apologies if it ends up being sent
> twice. By the way, is there a way to only receive answers to one's own
> messages?)

If your didn't receive a reply to your question it's because nobody had

The development of GSM on SDRs it typically along the lines of software
development for the BTS (Base Transceiver Station) and or BCS (Base
Control Subsystem.)

In short, the software is used to manage GSM networks.

They use unlocked standard GSM handsets which have their own SIM cards -
which only work on their network - and not on any of the commercial



and gr-gsm and gr-dect2

-- Cinaed

> Hello,
> I'm afraid that I am very naive in radio matters (I hope to gradually
> change that - reading recommendations welcome!), though I have
> reasonable understanding of computer hardware driving from the
> computer side, and am working on learning electonics (that is, working
> through Scherz and Monk's Practical Electronics).  I was wondering
> whether it is possible, using existing free software and a USDR
> (presumably in combination with a SIM card interface, and an RPi or
> whatever) to recreate a GSM/UMTS handset.  And if not, how close one
> can currently get.
> Thanks!
> Regards
> Michael
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