/* This program simulates the classical turbo encoding-decoding system on PC.*/ /* It uses parallel concatenated convolutional codes described in Figure 2.9 in Chapter 2.*/ /* Two component RSC (Recursive Systematic Convolutional) encoders are used. */ /* 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. */ /* Random information bits are modulated into+1/-1, and transmitted through an AWGN channel.*/ /* Interleavers are randomly generated for each frame.*/ /* 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 is simplified with a look-up table for the correction term.*/ /* When the approximation ln(e^x+e^y) = max (x,y) is, we have MAX-Log-MAP.*/ /* To set the number of iterations, change the globle variable "DECITER". To set the fr

WIMAX_Turbo_Code
................\acc_time.c
................\channel.c
................\demo.c
................\global.h
................\readme.txt
................\tcdecoder.c
................\tcencoder.c

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