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資源簡介

謝謝之前那位朋友提醒，之前不完全，現在補充了遺漏的！ 要做Turbo，感覺是繞不開Dr.wuyufei的數學架構的,我在里面詳細注釋了。本文作為學習用，很具有參考價值！ 本文在結果中詳細列出了每次迭代的誤碼率，迭代次數可調，結果運行時間較長，這個很正常。 譯碼部分的log-map算法調通了，sova有代碼，并沒有調，下載的朋友們需要注意了！ % **************Dr. wuyufei的典型Turbo系統主函數******************************** % This script simulates the classical turbo encoding-decoding system. % It simulates parallel concatenated convolutional codes. % Two component rate 1/2 RSC (Recursive Systematic Convolutional) component encoders are assumed. % % First encoder is terminated with tails bits. (Info + tail) bits are scrambled and passed to % the second encoder, while second encoder is left open without tail bits of itself. % % Random information bits are modulated into +1/-1, and transmitted through a AWGN channel. % Interleavers are randomly generated for each frame. % While it's UNECESSARY in our first version! % % Log-MAP algorithm without quantization or approximation is used. % By making use of ln(e^x+e^y) = max(x,y) + ln(1+e^(-abs(x-y))), % the Log-MAP can be simplified with a look-up table for the correction function. % If use approximation ln(e^x+e^y) = max(x,y), it becomes MAX-Log-MAP.

資源截圖

代碼片段和文件信息 

%************************beginning?of?file*****************************
%bin2deci.m
function?y=bin2deci（x）
%?將二進制數轉化為十進制數

%+++++++++++++++++++++++variables++++++++++++++++++++++++++++
%?x????????輸入數據
%?y????????輸出數據
%++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++?

t=length（x）;
y=（t-1:-1:0）;
y=2.^y;
y=x*y‘;
%?************************end?of?file*********************************

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

?????文件????????428??2012-11-08?21:32??turboall\bin2deci.m

?????文件????????454??2012-11-05?19:35??turboall\bin_state.m

?????文件???????1031??2012-11-23?20:42??turboall\cic_deci.m

?????文件???????1228??2012-11-22?16:21??turboall\cic_inter.m

?????文件???????2168??2012-11-09?19:46??turboall\cnv_encd.m

?????文件????????536??2012-11-08?21:32??turboall\deci2bin.m

?????文件???????1691??2012-11-07?20:55??turboall\demultiplex.m

?????文件????????554??2012-12-07?14:56??turboall\deqpsk.m

?????文件???????1751??2012-11-23?19:49??turboall\down_convert_ofdm.m

?????文件????????363??2012-11-02?13:37??turboall\encoder1.m

?????文件???????2499??2012-11-06?14:06??turboall\encoderm.m

?????文件???????1232??2012-11-05?20:28??turboall\encode_bit.m

?????文件??????10070??2012-11-26?12:30??turboall\filter_test.m

?????文件???????2069??2012-11-27?21:06??turboall\fre_syn.m

?????文件????????700??2012-11-22?21:13??turboall\guiyi_DUCdata.m

?????文件????????773??2012-11-09?21:26??turboall\interlacecode.m

?????文件????????651??2012-11-29?17:11??turboall\interlacedecode.m

?????文件????????295??2012-11-05?19:36??turboall\int_state.m

?????文件???????3862??2012-11-08?15:13??turboall\logmapo.m

?????文件??????10274??2012-12-15?15:19??turboall\main_ofdm.m

?????文件????????541??2012-11-08?21:32??turboall\metric.m

?????文件????????995??2012-11-14?18:54??turboall\m_sequence.m

?????文件???????2524??2012-12-02?14:56??turboall\Newencoderm.m

?????文件????????481??2012-11-08?21:31??turboall\nxt_stat.m

?????文件????????877??2012-11-29?16:38??turboall\phase_comp.m

?????文件????????696??2012-11-14?19:08??turboall\qpsk.m

?????文件????????364??2012-10-30?21:53??turboall\QPSK1.m

?????文件????????889??2012-11-22?14:59??turboall\ram_sin.m

?????文件???????1868??2012-11-06?10:59??turboall\rsc_encode.m

?????文件??????11743??2012-10-24?16:22??turboall\sova.m

............此處省略11個文件信息

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