Re: [Discuss-gnuradio] Is 100 Mbps PSK demodulation in GNU RADIO possible? (x310 HW)

[Dan CaJacob]

I am working on a similar system.  In short, the answer is no, your i7 won't keep up that fast.  But you could if you push some processing down into the FPGA.

For example, my non optimized QPSK modem with 1/2 rate convolutional coding + RS coding only works up to about 1 Mbps without over/under flowing.

While optimization will help, 100 Mbps seems like too much of a stretch for real-time on normal CPUs, but possible on FPGA.  Or maybe possible with like 40 i7s.

On Fri, Apr 14, 2017, 5:30 AM Mehmeto <address@hidden> wrote:

Dear All,
 We just bought an Ettus X310 with PCIe interface.
We will try to transmit a 100 Mbps OQPSK signal and receive it back using
the PSK demodulator blocks.
In your opinion is this possible. Assuming that the HW support such a speed,
will the speed of the GNU Radio Blocks be sufficient? (We will be using one
of the latest i7 processors.)
 We couldn't find any max. speed data on these blocks.
We are also considering to use some high speed GPU but could not find any
CUDA/ OpenCL based GNU Radio blocks.



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Very Respectfully,

Dan CaJacob