資源簡介
本程序是MIMO-OFDM 系統的信道估計程序,包括導頻設計,信道建模和常見的信道估計方法,對初學者有用
(This program is a channel estimation program for MIMO-OFDM system, including pilot design, channel modeling and common channel estimation methods, useful for beginners)
代碼片段和文件信息
function?C=adaptive(HNR)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%?功能:???自適應的比特分配:按照信道響應降序排列子載波間爭奪比特和功率
%?????????步長為2
%?輸入:???H為信道的參數
%?????????N為子載波數
%?輸出:???C得到的比特分配
%?作者:郭瑩,2004.3
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
dex=zeros(N1);
x=zeros(N1);
H=abs(H);
for?a=1:N
???x(a)=sum((H>H(a)))+1;
???for?t=1:20
???if?dex(x(a))~=0
???????x(a)=x(a)+1;
???else?break
???end
??end
???dex(x(a))=a;
end
C=R/N*ones(N1);
for?m=1:N-1
????for?n=N:-1:m+1
????????if?C(dex(m))>3
????????????break
????????end
????????if?C(dex(n))==0
???????????continue
????????end
????????a=H(dex(m))^2;
????????b=H(dex(n))^2;?
????????switch?(C(dex(n)))
??????????case?1?
?????????????if?a>2*b
??????????????C(de
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1093??2004-03-11?11:02??adaptive.m
?????文件????????1144??2004-03-12?09:53??adaptive_power.m
?????文件?????????909??2004-04-15?07:40??adaptive_power1.m
?????文件????????1796??2004-06-11?11:32??add_freqdomain_reponse.m
?????文件????????4388??2004-05-26?15:42??add_training.m
?????文件????????6175??2004-05-26?09:47??adpt_mod_para.m
?????文件?????????437??2000-03-03?23:08??bin_state.m
?????文件????????1273??2004-06-10?14:04??BLAST_decode.m
?????文件??????107336??2005-01-12?11:29??ce_txdiv.mat
?????文件????????2753??2004-05-29?14:56??channel.m
?????文件????????1890??2004-06-14?16:03??channel_coding.m
?????文件????????2993??2004-06-14?11:32??channel_decoding.m
?????文件????????9994??2004-12-23?11:09??channel_estimator.m
?????文件????????4538??2004-06-23?13:07??channel_gen.m
?????文件????????1229??2004-04-05?20:07??coarse_freq_syn.m
?????文件????????1491??2004-06-05?13:38??decode1.m
?????文件?????????831??2004-06-10?13:10??decode_MMSE.m
?????文件????????3006??2004-03-11?23:08??demod_sym.m
?????文件????????3207??2004-06-10?15:20??demodu_sym.m
?????文件????????1377??2004-06-10?15:20??demodulator.m
?????文件????????1134??2000-03-03?23:08??demultiplex.m
?????文件?????????653??2000-03-03?23:08??encode_bit.m
?????文件????????1780??2004-06-10?17:58??encoderm.m
?????文件????????5529??2004-07-29?13:54??estimator_linear_comb.m
?????文件????????2635??2004-06-08?23:22??estimator_ls.m
?????文件????????1839??2004-12-06?12:02??estimator_ls_txdiv.m
?????文件????????2177??2004-06-08?14:11??estimator_mmse.m
?????文件?????1003568??2004-12-24?15:39??fading_jakes.mat
?????文件????????1335??2004-04-05?19:32??fine_freq_syn.m
?????文件????????4918??2004-12-24?15:42??fr
?????文件????????2569??2004-12-24?15:18??framing.m
............此處省略38個文件信息
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