As for compliance testing of the physical layer of the system, we went
ahead and bought a Rohde and Schwartz CMD57 test set. It tests out the
OpenBTS transmissions against the GSM spec, and can help you test the
The bad news is that it costs about $4000, depending on what options
> Message: 6
> Date: Tue, 22 Sep 2009 12:20:50 -0500
> From: Reynaldo Baquerizo <reynaldomic@...>
> Subject: Re: [Openbts-discuss] conformance testing of BTS
> To: openbts-discuss@...
> Content-Type: text/plain; charset="iso-8859-1"
> On Mon, Sep 21, 2009 at 10:53 AM, Reynaldo Baquerizo
> > Hi all,
> > I'm embarked in a project to measure the performance of openBTS. I have
> > already build up openBTS and camped succesfully but now I look toward write
> > a formal protocol procedure to test stability, fiability and its scope. It
> > is of special importance since the group I work with deploys wireless rural
> > networks in Per? (so far been working succesfully with HF and VHF radios in
> > the Amazon and now with 802.11 protocol in Amazon too and high Andes) and
> > we'd like to know before-hand in which scenarios it may fit or would be
> > viable (for which I'm also making some traffic engineering)
> > I don't know If this is also of importance for the rest of you, but I'd
> > appreciate any ideas, documents to look at.
> > I started looking for documentation in 3gpp site, but I was only able to
> > find conformance testing procedures for MS (04.14, 04.13).
> > In the book, Introduction to GSM there is a chapter which describes RF
> > testing for both MS and BTS.
> Looking in 3gpp I have also found 11.23, which intimidates me at first
> (being a bachelor student).. are this tests done with a protocol analyzer?
> Or do they have to be conducted manually?
> What do you guys (David, Harvind) do for testing? Any specific procedure?
> Can I infere that if signal protocol for some specific scenarios work
> properly then its fiable?
> I'm bit troubled as to what stable, fiable is? Is this subjective or there
> is some way to at least provide some facts? What could I read ?
> Hoping for some enlighten...