taking frequency fourier transform (FFT) for the LTE NB-IOT NPRACH frequency hopping repetations

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Fayaz
Fayaz 2023-4-7
tis is the time domain CPs and SYMBOLS in the frequnecy hopping. i have written a code to remove the cyclic prefix and take only the symbol sample to an array. i will put code below, can anyone check the code and give an update the mistakes becasue i receive error like exceeding the error size when increasing the repetations. here is the code ,
%% FREQUENCY FOURIER TRANSFORM
cp0 = 128;% assign the cyclic prefix sample value of format 0 to cp0
size = 512;%assign the symbol sample value for size
m = cp0;%assign cp0 to m
y = 1;
x = 1;
for repeatation_x = 1:1% set for loop for two repetations
for symbol_group = 1:4% set for loop for 4 symbol group in one repetation
ara(1:size,y) = waveform(m+1:m+size);% get a first symbol samples to ara matrix
for last_four_symbol = 1:4% set for loop to get the samples of other all 4 symbols
y = y+1;
x = x+1;
ara(1:size,y) = waveform(m+(x-1)*size +1:m+x*size);
end
m = m+y*size+cp0;
y = y+1;
end
end

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