I'm validating if a new ADALM-PLOTO is fully working or not.
Attached is a modified version of the dvbt_rx_8k example
1. Source from adv64.cfile
A correct result I think.
Both Constellation are steady even with noise added.
2. Source from PlutoSDR
First Constellation shows signs of pilot but it is not
stable at all.
Second Constellation show just a dot.
See "test_dvbt_rx_8k_copy.pluto.png" and "animated.gif"
Input is the local terrestrial TV from my antenna on the
According to the Terrestrial broadcast company there are
4-modes for DVB-T
FFT size: 8k
Guard Interval: 1/4, 1/8, 1/32, 1/4
Code Rate: 3/4, 2/3, 2/3, 2/3
Played around with a lot figures without getting anything
better than attached gif
There are no signs of overruns.
CPU load is 100% on one core rest 5-10% on a i7-4770K @
OS Fedora 29
GNU Radio Companion 18.104.22.168
PLUTO build from latest git
Is Pluto skipping or ....?