Re: [Discuss-gnuradio] Problems with dvbt 8k 64QAM

You have to set the Cyclic Prefix Length on the OFDM Symbol Acquisition
block to 2048 to match the 1/4 guard interval (8192/4 = 2048).

Ron

On 03/16/2018 03:06 AM, Juan Antonio wrote:
> I have been running the file for 15 minutes and it is still working
> even though the file source repeater is set to no.
>
>   The constellation at the exit of the FTT block engages with 64
> points (+5), randomly engages and at 2 seconds they appear in a
> circular way (this also made it to the adv16.cfile file), re-lock 
> them and the 2 seconds later or less appear in a circular way and so
> consecutively
>
>   The constellation to the output of demod reference signal only
> appears with a point in the center. The processor cores work at 50%
>
> Best  regards
>

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