function?H?=?channel_matrix（ChanMod）
global?init;
persistent?block;
persistent?rv;

if?strcmp（ChanMod.UserScenario‘Test‘）
????NTap?=?size（ChanMod.PDP_dB2）;?????????????????????????%?Number?of?Taps
????TDel?=?round（0.1e9.*ChanMod.PDP_dB（2:））;??????????????%?Delays?（nanosecond?samples）
????Tlen?=?max（TDel）;??????????????????????????????????????%?Maximum?Tap-delay
????H?=?zeros（ChanMod.nRXChanMod.nTXTlen）;
????for?tap?=?1?:?NTap
????????G?=?1;%randn（ChanMod.nRXChanMod.nTX）?+?j*randn（ChanMod.nRXChanMod.nTX）;
????????H（::TDel（1tap）+1）?=?...
????????????sqrt（10.^（ChanMod.PDP_dB（1tap）./10））*G;
????end
else
????NTap?=?size（ChanMod.PDP_dB2）;?????????????????????????%?Number?of?Taps
????H?=?zeros（ChanMod.nRXChanMod.nTXChanMod.PDP_dB（end）+1）;
????switch?ChanMod.Type
????????case?‘BlockFading‘
????????????%?generate?channel?realization
????????????for?tap?=?1?:?NTap
????????????????if?ChanMod.K?==?0
????????????????G?=?（randn（ChanMod.nRXChanMod.nTX）?+?j*randn（ChanMod.nRXChanMod.nTX））/sqrt（2）;
????????????????H（::ChanMod.PDP_dB（2tap）+1）?=?...
????????????????????sqrt（10.^（ChanMod.PDP_dB（1tap）./10））.*...
????????????????????（sqrtm（squeeze（ChanMod.rRX（tap::）））*G*...
????????????????????（sqrtm（squeeze（ChanMod.rTX（tap::））））.‘）;
????????????????else
????????????????G?=?（randn（ChanMod.nRXChanMod.nTX）?+?j*randn（ChanMod.nRXChanMod.nTX））/sqrt（2）;
????????????????H（::ChanMod.PDP_dB（2tap）+1）?=?...
????????????????????sqrt（ChanMod.K/（ChanMod.K+1））*exp（j*rand（ChanMod.nRXChanMod.nTX）*2*pi）?+?...
????????????????????sqrt（1/（ChanMod.K+1））*sqrt（10.^（ChanMod.PDP_dB（1tap）./10））.*...
????????????????????（sqrtm（squeeze（ChanMod.rRX（tap::）））*G*...
????????????????????（sqrtm（squeeze（ChanMod.rTX（tap::））））.‘）;???????????????????
????????????????end
????????????end
????????case?‘TV_Block‘?
????????????H?=?zeros（ChanMod.nRXChanMod.nTXChanMod.PDP_dB（end）+1）;
????????????if?init
????????????????rv?=?zeros（ChanMod.nRXChanMod.nTXNTap3ChanMod.Paths）;
????????????end
????????????error（‘the?function?“jakes“?is?not?available?in?the?open?source?version?of?the?WiMAX?simulator‘）
????????????for?tap?=?1:NTap
????????????????for?mm?=?1:ChanMod.nTX
????????????????????for?nn?=?1:ChanMod.nRX
????????????????????????if?init
????????????????????????????block?=?0;
????????????????????????????[H（nnmmChanMod.PDP_dB（2tap）+1）rv（nnmmtap::）]?=?jakes（ChanMod.f_d_max1/ChanMod.FreqChanMod.Paths1‘JAKES‘block*ChanMod.InputSamplesNoTail/ChanMod.Freq[]）;
????????????????????????????H（nnmmChanMod.PDP_dB（2tap）+1）?=?sqrt（10.^（ChanMod.PDP_dB（1tap）./10））.*H（nnmmChanMod.PDP_dB（2tap）+1:）;
????????????????????????else
????????????????????????????H（nnmmChanMod.PDP_dB（2tap）+1）?=?sqrt（10.^（ChanMod.PDP_dB（1tap）./10））.*jakes（ChanMod.f_d_max1/ChanMod.FreqChanMod.Paths1‘JAKES‘block*ChanMod.InputSamplesNoTail/ChanMod.Freqsqueeze（rv（nnmmtap::）））;
????????????????????????end
????????????????????end
???????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2008-11-13?13:21??WiMAX?2.2?online\
?????文件????????3595??2008-11-10?13:59??WiMAX?2.2?online\channel_matrix.m
?????文件????????3480??2008-11-10?13:58??WiMAX?2.2?online\channel_model.m
?????文件???????10240??2008-11-12?13:33??WiMAX?2.2?online\dbconvdec.mexw32
?????文件???????11264??2008-11-12?14:49??WiMAX?2.2?online\dbconvdec.mexw64
?????文件????????1242??2003-08-28?23:40??WiMAX?2.2?online\dec2binvec.m
?????文件????????5369??2006-11-20?10:16??WiMAX?2.2?online\GoldenCode_4QAM_Table.mat
?????目錄???????????0??2008-11-10?13:46??WiMAX?2.2?online\LDPC_codes\
?????文件??????339506??2007-10-20?09:30??WiMAX?2.2?online\LDPC_codes\12672.dec
?????文件??????312132??2007-10-20?09:30??WiMAX?2.2?online\LDPC_codes\12672.enc
?????文件??????699924??2007-10-20?17:27??WiMAX?2.2?online\LDPC_codes\16896.dec
?????文件?????1385323??2007-10-20?17:27??WiMAX?2.2?online\LDPC_codes\16896.enc
?????文件??????691475??2007-10-20?10:14??WiMAX?2.2?online\LDPC_codes\25344.dec
?????文件??????671187??2007-10-20?10:14??WiMAX?2.2?online\LDPC_codes\25344.enc
?????文件?????1089135??2007-10-20?16:30??WiMAX?2.2?online\LDPC_codes\33792.dec
?????文件?????1252091??2007-10-20?16:30??WiMAX?2.2?online\LDPC_codes\33792.enc
?????文件?????1092756??2007-10-20?16:07??WiMAX?2.2?online\LDPC_codes\38016.dec
?????文件?????1063759??2007-10-20?16:07??WiMAX?2.2?online\LDPC_codes\38016.enc
?????文件??????166321??2007-10-20?10:41??WiMAX?2.2?online\LDPC_codes\4224.dec
?????文件??????216134??2007-10-20?10:41??WiMAX?2.2?online\LDPC_codes\4224.enc
?????文件??????343730??2007-10-20?09:45??WiMAX?2.2?online\LDPC_codes\8448.dec
?????文件??????513840??2007-10-20?09:45??WiMAX?2.2?online\LDPC_codes\8448.enc
?????文件????????3467??2007-10-29?16:46??WiMAX?2.2?online\ldpc_test.m
?????文件???????74131??2008-11-13?11:49??WiMAX?2.2?online\License?Agreement?WiMAX?Simulator.pdf
?????文件???????12162??2008-11-10?14:27??WiMAX?2.2?online\load_parameters.m
?????文件???????11032??2008-11-10?16:55??WiMAX?2.2?online\load_parameters_dependent.m
?????文件?????????427??2008-11-11?08:25??WiMAX?2.2?online\marginals2sym.m
?????文件???????12288??2008-11-12?13:37??WiMAX?2.2?online\mexLDPC.mexw32
?????文件???????15872??2008-11-12?14:50??WiMAX?2.2?online\mexLDPC.mexw64
?????文件???????12429??2008-11-10?17:29??WiMAX?2.2?online\qam_demapper_h.m
?????目錄???????????0??2008-11-13?13:23??WiMAX?2.2?online\results\
............此處省略15個文件信息