%?腳本計算對BPSK調制在誤碼率瑞利衰落信道與Alamouti空間時間塊編碼STBC
%?兩個傳輸天線兩個接收天線
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%%??????????蘇夢?信號班?學號：12120348??????????????????%%
%%???????????Alamouti?STBC?編碼算法????????????????????%%
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clear;
close?all;
clc;
N?=?10^5;??????????????????????????????????????????????%?number?of?bits?or?symbols
Eb_N0_dB?=?[0:2:30];???????????????????????????????????%?multiple?Eb/N0?values
nRx?=?2;???????????????????????????????????????????????%?接收天線數為2
for?ii?=?1:length（Eb_N0_dB）

????%?發射機
????ip?=?rand（1N）>0.5;????????????????????????????????%?generating?01?with?equal?probability
????s?=?2*ip-1;????????????????????????????????????????%?BPSK?modulation?0?->?-1;?1?->?0

????%?Alamo