function?[transmit_signal?training]?=?add_training（transmit_signalPrefixRatio...
????N_subcN_used?Idx_usedcp_len?N_Tx_antN_tran_sym）

%?1024點FFT的前導序列
%?多條天線的訓練序列（同步幀）各兩個OFDM符號
training?=?zeros（N_subcN_tran_symN_Tx_ant）;
%?產生偽隨機序列，放在訓練OFDM符號的導頻位置.
PN_seq?=?mseq（10?[1?2?6?10]?ones（110）?N_Tx_ant*3）;
PN_seq?=?2*PN_seq?-?1;

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%?產生第1個訓練OFDM符號
Repeat?=?8;?%?為保證在時域上重復Repeat次?在頻域上兩個有數據的子載波間插（Repeat-1）個零
for?ant?=?1:N_Tx_ant
????real_part?=?PN_seq（?（ant-1）*N_Tx_ant?+?11:N_used/Repeat?）;?%?截取PN序列
????imag_part?=?PN_seq（?（ant-1）*N_Tx_ant?+?21:N_used/Repeat?）;
????
????tran_tmp1?=??sqrt（Repeat/2）?*?（?real_part?+?j?*?imag_part?）;
????tmp1?=?[?tran_tmp1?;?zeros（Repeat-1N_used/Repeat）?];
????tmp2?=?reshape（tmp1?N_used?1）;
????tmp3?=?[?tmp2（1:N_used/2）?;?flipud（tmp2（N_used/2?+?1:end））];
????training（Idx_used1ant）?=?tmp3;
end

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%?產生第2個訓練OFDM符號?在偶數的子載波上放偽隨機序列

Repeat?=?2;
for?ant?=?1:N_Tx_ant
????tran_tmp1?=?PN_seq（?2*N_Tx_ant?+?ant1:N_used/Repeat?）;?%?截取PN序列????
????tmp1?=?[?tran_tmp1?;?zeros（Repeat-1N_used/Repeat）?];
????tmp2?=?reshape（tmp1?N_used?1）;
????tmp3?=?[?tmp2（1:N_used/2）?;?flipud（tmp2（N_used/2?+?1:end））];
????training（Idx_used2ant）?=?tmp3;
end


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%?產生時域訓練序列

syn_frame?=?sqrt（N_subc）?*?ifft（?fftshift（?training??1?）?）;
cp?=?syn_frame（N_subc?-?cp_len?+?1:N_subc?::）;
training_frame?=?[cp;syn_frame];
training_frame?=?reshape（training_frame[1?（N_subc?+?cp_len）*N_tran_sym?N_Tx_ant]）;

transmit_signal?=?[?training_frame?transmit_signal?];

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1908??2004-04-06?12:20??完整的在LTE標準下MIMO+OFDM仿真程序\add_training.m

?????文件???????6578??2009-07-27?12:34??完整的在LTE標準下MIMO+OFDM仿真程序\adpt_mod_para.asv

?????文件???????6578??2009-07-27?12:37??完整的在LTE標準下MIMO+OFDM仿真程序\adpt_mod_para.m

?????文件???????1386??2004-04-06?12:16??完整的在LTE標準下MIMO+OFDM仿真程序\demodulator.m

?????文件???????3027??2004-03-23?15:57??完整的在LTE標準下MIMO+OFDM仿真程序\demodu_sym.m

?????文件????????780??2009-07-28?11:44??完整的在LTE標準下MIMO+OFDM仿真程序\gausnoise.m

?????文件???????6094??2009-07-30?18:24??完整的在LTE標準下MIMO+OFDM仿真程序\main.m

?????文件???????2874??2009-07-27?22:24??完整的在LTE標準下MIMO+OFDM仿真程序\modulator.asv

?????文件???????2874??2009-07-27?22:27??完整的在LTE標準下MIMO+OFDM仿真程序\modulator.m

?????文件???????2138??2009-07-27?22:24??完整的在LTE標準下MIMO+OFDM仿真程序\modu_sym.asv

?????文件???????2138??2009-07-27?22:27??完整的在LTE標準下MIMO+OFDM仿真程序\modu_sym.m

?????文件???????1241??2004-04-05?13:36??完整的在LTE標準下MIMO+OFDM仿真程序\mseq.m

?????文件???????1102??2009-07-27?18:34??完整的在LTE標準下MIMO+OFDM仿真程序\ofdm_demod.asv

?????文件???????1123??2009-07-28?09:15??完整的在LTE標準下MIMO+OFDM仿真程序\ofdm_demod.m

?????文件???????1415??2009-07-27?22:14??完整的在LTE標準下MIMO+OFDM仿真程序\ofdm_mod.asv

?????文件???????1415??2009-07-27?22:18??完整的在LTE標準下MIMO+OFDM仿真程序\ofdm_mod.m

?????文件????????497??2009-07-28?15:25??完整的在LTE標準下MIMO+OFDM仿真程序\performance_eval.m

?????文件????????491??2009-07-27?18:05??完整的在LTE標準下MIMO+OFDM仿真程序\pilot_insert.m

?????文件????1713821??2017-12-26?15:26??完整的在LTE標準下MIMO+OFDM仿真程序\saved_data.mat

?????文件???????1010??2009-07-27?22:49??完整的在LTE標準下MIMO+OFDM仿真程序\stbc_code_TX.asv

?????文件???????1010??2009-07-27?22:49??完整的在LTE標準下MIMO+OFDM仿真程序\stbc_code_TX.m

?????文件???????1303??2009-07-28?10:54??完整的在LTE標準下MIMO+OFDM仿真程序\stbc_decode_TX2RX2.asv

?????文件???????1305??2009-07-28?10:59??完整的在LTE標準下MIMO+OFDM仿真程序\stbc_decode_TX2RX2.m

?????文件???????1576??2009-07-27?22:49??完整的在LTE標準下MIMO+OFDM仿真程序\st_coding.asv

?????文件???????1576??2009-07-27?22:49??完整的在LTE標準下MIMO+OFDM仿真程序\st_coding.m

?????文件???????2755??2009-07-28?09:49??完整的在LTE標準下MIMO+OFDM仿真程序\st_decoding.asv

?????文件???????2818??2009-07-28?10:06??完整的在LTE標準下MIMO+OFDM仿真程序\st_decoding.m

?????文件???????1283??2009-07-27?11:23??完整的在LTE標準下MIMO+OFDM仿真程序\user_bit_gen.m

?????目錄??????????0??2017-12-26?15:39??完整的在LTE標準下MIMO+OFDM仿真程序

-----------?---------??----------?-----??----

............此處省略2個文件信息