carrier_frequency = 2.4e9;
wifi_be_subcarrier_spacing = 78.125e3;
leo_altitude = 600e3;
bandwidth = 20; 
mcs_values = [0 2 4 8 10 12 13];
mcs_t1 = 2;
apep = 1000;
tx_antenna_count = 1;
rx_antenna_count = 1;

snrs = (0:1:40);
packets_per_snr = 1024;
maxNumErrors = 50;

elevationAngles = [ ...
    linspace(10, 90, ceil(packets_per_snr / 2)), ...
    linspace(90, 10, floor(packets_per_snr / 2)) ...
];

meanElevationAngle = mean(elevationAngles);
slantRanges = arrayfun(@(el) slantRangeCircularOrbit(el, leo_altitude, 0), elevationAngles);
dopplerShifts = arrayfun(@(el) dopplerShiftCircularOrbit(el, leo_altitude, 0, carrier_frequency), elevationAngles);

random_stream = "mt19937ar with seed";
seed = 666;

ntn_tdl_delay_profiles = ["A" "B" "C" "D"];

use_t1_as_t4 = false;
task1;
task2;

apep1000Idx = find(apep_values == 1000);

figure;
semilogy(snrs, errorRates(1,:), "-o");
hold on;
semilogy(snrs, results(apep1000Idx,:), "-x");
grid on;
xlabel("SNR (dB)");
ylabel("PER");
legend("Task 1 APEP 1000", "Task 2 APEP 1000");
title("Task 1 vs Task 2 consistency check");