% initial values
FREQ_MIN = 600;
FREQ_MAX = 1800;
FREQ = 1200;
BAUD = 600;
N = 2 * 8;


%
% MODULATION

% creating transmission message
%send_message = [ hex2dec('0xaa'); hex2dec('0xaa') ];
send_message = [ 72; 101; 108; 108; 111; 44; 32; 87; 111; 114; 108; 100; 33 ];

% convert message to bit and scrambling
send_bits = message_to_bits(send_message);
send_bits = scrambler(send_bits);

%QPSK
send_samples = modulation_qpsk(FREQ_MIN, FREQ_MAX, FREQ, BAUD, N, send_bits);


%
% TRANSMISSION


%
% RECEIVING


%
% DEMODULATION
%recv_bits = bits;


%message
%recv_bits = descrambler(recv_bits);
%recv_message = bits_to_message(recv_bits);
%recv_message