我需要对多用户检测的MATLAB代码的STBC - OFDM

[wyldgg]

嗨！每个人
我是一名研究生，我刚才写一些MATLAB代码对ZF在的STBC - OFDM多用户检测。但是当我完成了空时分组码编码，信号经过768,16多antenna.my代码是：
明确;
k = 2时;％的用户数
新台币= 4;发射天线
星期日= 2;接收天线
m等于1280;％位

co_time = 10;
carrier_count = 128;％子载波
Eb_N0_dB = [0时09];％符号/运营商
帧=男/ carrier_count;
cp_length = carrier_count / 4;
addprefix_length = carrier_count cp_length;

信号=兰特（金，男）“0.5;
M_signal = 2 *信号- 1;％BPSK调制0 - “-1; 1 - ”0

user1sigpara（：，

<img src="http://www.edaboard.com/images/smiles/icon_smile.gif" alt="微笑" border="0" />

=重塑（M_signal（1，

<img src="http://www.edaboard.com/images/smiles/icon_smile.gif" alt="微笑" border="0" />

，carrier_count，车架）;
user2sigpara（：，

<img src="http://www.edaboard.com/images/smiles/icon_smile.gif" alt="微笑" border="0" />

=重塑（M_signal（2，

<img src="http://www.edaboard.com/images/smiles/icon_smile.gif" alt="微笑" border="0" />

，carrier_count，车架）;
user1send1（：，1:2：帧）= user1sigpara（：，1:2：帧）;％空时码
user1send1（：，2:2：帧）=-连词（user1sigpara（：，2:2：帧））;
user1send2（：，1:2：帧）= user1sigpara（：，2:2：帧）;
user1send2（：，2:2：帧）=连词（user1sigpara（：，1:2：帧））;
user2send1（：，1:2：帧）= user2sigpara（：，1:2：帧）;
user2send1（：，2:2：帧）=-连词（user2sigpara（：，2:2：帧））;
user2send2（：，1:2：帧）= user2sigpara（：，2:2：帧）;
user2send2（：，2:2：帧）=连词（user2sigpara（：，1:2：帧））;user1signal_1 =的IFFT（user1send1）;％的IFFT
user1signal_2 =的IFFT（user1send2）;
user2signal_1 =的IFFT（user2send1）;
user2signal_2 =的IFFT（user2send2）;

user1signal_1cp = [user1signal_1（carrier_count - cp_length 1：carrier_count，

<img src="http://www.edaboard.com/images/smiles/icon_smile.gif" alt="微笑" border="0" />

; user1signal_1];
user1signal_2cp = [user1signal_2（carrier_count - cp_length 1：carrier_count，

<img src="http://www.edaboard.com/images/smiles/icon_smile.gif" alt="微笑" border="0" />

; user1signal_2];
user2signal_1cp = [user2signal_1（carrier_count - cp_length 1：carrier_count，

<img src="http://www.edaboard.com/images/smiles/icon_smile.gif" alt="微笑" border="0" />

; user2signal_1];
user2signal_2cp = [user2signal_2（carrier_count - cp_length 1：carrier_count，

<img src="http://www.edaboard.com/images/smiles/icon_smile.gif" alt="微笑" border="0" />

; user2signal_2];

user1signal_1chuan（：，

<img src="http://www.edaboard.com/images/smiles/icon_smile.gif" alt="微笑" border="0" />

=重塑（user1signal_1cp（：，

<img src="http://www.edaboard.com/images/smiles/icon_smile.gif" alt="微笑" border="0" />

1，addprefix_length *帧）;
user1signal_2chuan（：，

<img src="http://www.edaboard.com/images/smiles/icon_smile.gif" alt="微笑" border="0" />

=重塑（user1signal_2cp（：，

<img src="http://www.edaboard.com/images/smiles/icon_smile.gif" alt="微笑" border="0" />

1，addprefix_length *帧）;
user2signal_1chuan（：，

<img src="http://www.edaboard.com/images/smiles/icon_smile.gif" alt="微笑" border="0" />

=重塑（user2signal_1cp（：，

<img src="http://www.edaboard.com/images/smiles/icon_smile.gif" alt="微笑" border="0" />

1，addprefix_length *帧）;
user2signal_2chuan（：，

<img src="http://www.edaboard.com/images/smiles/icon_smile.gif" alt="微笑" border="0" />

=重塑（user2signal_2cp（：，

<img src="http://www.edaboard.com/images/smiles/icon_smile.gif" alt="微笑" border="0" />

1，addprefix_length *帧）;
但刚才，Idon't知道如何编写多径瑞利信道以及如何获取接收到的信号。请一些advice.thank你！

 

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