Re: [Discuss-gnuradio] CDMA-UMTS protocol implementation with USRP1

[Tom Rondeau]

On Fri, May 9, 2014 at 7:20 PM, Marcus Müller <address@hidden> wrote:

Hello Usman,

going from deploying an already existing GSM basestation software to implementing a complete standard is a huge step.

Also, USRP1 is almost certainly not the device I'd chose for that task -- in can shuffle a maximum of 8MS/s over USB, and you need 5MS/s for up- and downlink each for UMTS-CDMA.

From your choice of mailing list, I'd presume you want to use GNU Radio. So get your communication engineering textbooks ready, refresh what you know about digital baseband signal processing, and learn how to use and extend GNU Radio software on the gnuradio.org website, especially on the tutorials.

Greetings,
Marcus

But, if you want a start at the phy layer using CDMA, Achilleas' gr-cdma might be a good place to start:

https://github.com/anastas/gr-cdma

Tom

 

On Fri, May 9, 2014 at 9:20 PM, Usman Arshad <address@hidden> wrote:

Hello list,

I am planning to implement CDMA-UMTS protocol with USRP 1 and GNU Radio. I've first established OpenBTS setup with USRP1 and OpenBTS 2.8. Now I want to implement CDMA-UMTS in the same way as OpenBTS to establish a CDMA mobile network.

Can anyone guide me about starting point like what software packages I need and any idea how to implement it.

Thanks in advance.

--

Usman Arshad

Electrical (Telecom) Engineering

National University of Sciences and Technology (NUST)

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