Re: [Discuss-gnuradio] Tetra receiver

[Tommi Rouvali]

Hello,

I have been thinking about this. I have access to two TETRA terminals.
The down side is I am beginner in Gnu Radio and DSP in general.

Is the π/4 DQPSK modulation really supported by Gnu radio? Any examples 
about this?


Grzegorz Suder wrote:
> Hello,
> I've looked through Wiki and discussion archives but I haven't found 
> answer for my question. Is there any working code for Gnu Radio that 
> is able to receive Tetra subscriber (not base station) signal and 
> convert it into bitstream? I believe that demodulation is already done 
> (DQPSK as I know) but there is still timing and slot separation issue. 
> Seems that there were attempts to introduce support for inband 
> signaling for Gnu Radio but last information I've found are from 2007.
> Regards,
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