set terminal qt size 600,600 title "Diagramme de constellation"
set xlabel "I (In-phase)"
set ylabel "Q (Quadrature)"
set grid
set key off
set pointsize 1.5
set xrange [-5:5]
set yrange [-5:5]

while (1) {
    plot \
        'constellation_ref.dat' using 1:2 with points pt 7 ps 2.5 lc rgb "red", \
        'constellation.dat' using 1:2 with points pt 7 ps 1 lc rgb "blue"
    pause 0.15
}