wcl_hybrid_fhds.m

Hybrid DS-FH communication systems

%~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
%
% 	Performance of Hybrid FH/DS CDMA Systems with Tranmitter Diversity
%	
% 	Copyright(c) 2009-2015 HanYang University Wireless Communication Lab
% 
% 	Date		Name            Version         Description
%   ----------  -----------     -----------     ---------------------------
% 	2009.05.22	JINMINGSONG     v1.00           Create
% 	2009.05.23	JINMINGSONG     v1.01           Upgrade
%~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

clc, clear;

echo on
Lc=31;			  		% number of chips per bit
A1=3;			  		% amplitude of the first sinusoidal interference
A2=7;			  		% amplitude of the second sinusoidal interference
A3=12;			  		% amplitude of the third sinusoidal interference
A4=0;			  		% fourth case: no interference
w0=1;			  		% frequency of the sinusoidal interference in radians
SNRindB=5:5:25;
for i=1:length(SNRindB),
  % measured error rates
  % smld_err_prb1(i)=WCL_ss_pe(SNRindB(i),Lc,A1,w0);
  smld_err_prb2(i)=WCL_ss_pe(SNRindB(i),Lc,A2,w0);
  echo off
end;
echo on

% Plotting commands follow.
% semilogy(SNRindB,smld_err_prb1,'r-o',SNRindB, smld_err_prb2,'b-^',SNRindB, smld_err_prb3,'m-*',SNRindB4, smld_err_prb4,'g-^');
semilogy(SNRindB, smld_err_prb2,'b-^');
axis([5 25 10^-6 5]);
legend(['DS/FH Only']);
xlabel('Eb/No (dB)');
ylabel('Symbol error rate');
grid;