%?Lab?06
%?WiCom_4
%?By?Kashif?Shahzad?
%?01-ET-31
%?4th?July?2004

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%?CDMA?coding?and?decoding?mechanism
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
clc
clear

%?Generation?of?Random?Bits
r=round（rand（120））;

%?Chip?Pattern?for?station?A?B?and?C
a_one=[1?-1?-1?1?-1?1];
a_zero=-1*a_one;
b_one=[1?1?-1?-1?1?1];
b_zero=-1*b_one;
c_one=[1?1?-1?1?1?-1];
c_zero=-1*c_one;

%?Random?Allotment?of?bits?to?stations?AB?and?C
cdma_seq=[];
for?counter=1:20
????switch（randint（11[1?3]））
????????case（1）
????????????if?r（1counter）==0;
????????????????cdma_seq=[cdma_seq?a_zero];
????????????else
????????????????cdma_seq=[cdma_seq?a_one];
????????????end
????????case（2）
????????????if?r（1counter）==0;
????????????????cdma_seq=[cdma_se

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1190??2004-07-03?21:28??dsss.m
?????文件????????2408??2004-07-03?18:20??fhss.m
?????文件????????1954??2004-07-03?20:08??freq_hopp_sprd_spctrm.m
?????文件????????1858??2004-07-04?12:35??cdma_codec.m