📄 demod_tab.h
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//new_dem_tab.h
//
// Project Red 2002: High Performance OFDM Modem
// Against Channel Imperfections
// Auther: Linus Falk
//PSK TABLE, (0,1)
// -> (-X,X)
//4 QAM TABLE, (0,1)
// -> (-9,9)
const short QAM_4_DEM_TABLE[2] = {0,1};
//16 QAM TABLE, (0 , 1 ,2, 3)
// -> (-4,-12,4,12)
const short QAM_16_LIMITS[3] = {-8,0,8};
const short QAM_16_DEM_TABLE[4] = {1 ,0,2,3};
//64 QAM TABLE (0 ,1 ,2 ,3 ,4,5,6 , 7)
// -> {-14,-2,-10,-6,6,2,10,14}
const short QAM_64_LIMITS[7] = {-12,-8,-4,0,4,8,12};
const short QAM_64_DEM_TABLE[8] = {0 ,2 ,3 ,1,5,4,6 ,7};
//256 QAM TABLE (0 ,1 ,2 , 3 ,4 ,5 ,6 ,7 ,8,9,10,11,12,13,14,15)
// -> {-11,-9,-13,-15,-5,-7,-3,-1,5,7,3 ,1 ,11,9 ,13,15}
const short QAM_256_LIMITS[15] = {-14,-12,-10,-8,-6,-4,-2,0,2 ,4 ,6,8,10,12,14};
const short QAM_256_DEM_TABLE[16] = {3 ,2 ,0 ,1 ,5 ,4 ,6 ,7,11,10,8,9,13,12,14,15};
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