function?C=adaptive（HNR）
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%?功能:???自適應(yīng)的比特分配:按照信道響應(yīng)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(shù)
%?????????N為子載波數(shù)
%?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（dex（m））=C（dex（m））+1;
??????????????C（dex（n））=C（dex（n））-1;
????????????end
??????????case?2
????????????if?a>3*b
????????????C（dex（m））=C（dex（m））+1;
????????????C（dex（n））=C（dex（n））-1;
???????????en

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

?????文件???????1093??2004-03-11?11:02??程序\adaptive.m

?????文件???????1144??2004-03-12?09:53??程序\adaptive_power.m

?????文件????????909??2004-04-15?07:40??程序\adaptive_power1.m

?????文件???????1796??2004-06-11?11:32??程序\add_freqdomain_reponse.m

?????文件???????4388??2004-05-26?15:42??程序\add_training.m

?????文件???????6175??2004-05-26?09:47??程序\adpt_mod_para.m

?????文件????????437??2000-03-03?23:08??程序\bin_state.m

?????文件???????1273??2004-06-10?14:04??程序\BLAST_decode.m

?????文件?????107336??2005-01-12?11:29??程序\ce_txdiv.mat

?????文件???????2753??2004-05-29?14:56??程序\channel.m

?????文件???????1890??2004-06-14?16:03??程序\channel_coding.m

?????文件???????2993??2004-06-14?11:32??程序\channel_decoding.m

?????文件???????9994??2004-12-23?11:09??程序\channel_estimator.m

?????文件???????4538??2004-06-23?13:07??程序\channel_gen.m

?????文件???????1229??2004-04-05?20:07??程序\coarse_freq_syn.m

?????文件???????1491??2004-06-05?13:38??程序\decode1.m

?????文件????????831??2004-06-10?13:10??程序\decode_MMSE.m

?????文件???????3006??2004-03-11?23:08??程序\demod_sym.m

?????文件???????3207??2004-06-10?15:20??程序\demodu_sym.m

?????文件???????1377??2004-06-10?15:20??程序\demodulator.m

?????文件???????1134??2000-03-03?23:08??程序\demultiplex.m

?????文件????????653??2000-03-03?23:08??程序\encode_bit.m

?????文件???????1780??2004-06-10?17:58??程序\encoderm.m

?????文件???????5529??2004-07-29?13:54??程序\estimator_linear_comb.m

?????文件???????2635??2004-06-08?23:22??程序\estimator_ls.m

?????文件???????1839??2004-12-06?12:02??程序\estimator_ls_txdiv.m

?????文件???????2177??2004-06-08?14:11??程序\estimator_mmse.m

?????文件????1003568??2004-12-24?15:39??程序\fading_jakes.mat

?????文件???????1335??2004-04-05?19:32??程序\fine_freq_syn.m

?????文件???????4918??2004-12-24?15:42??程序\frame_timing.m

............此處省略44個文件信息