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Slides MIMO - easytp.cnam.fr

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Décodage par sphèreM(x(c)) = ‖y − Bx(c)‖ 2= (x − ˜x) T B T B(x − ˜x) + y T (I − B(B T B) −1 B T )y= (x − ˜x) T R T R(x − ˜x) + y T (I − B(B T B) −1 B T )yoù ˜x = (B T B) −1 B T y est la solution ZFR = {r ij } 2N×2N est une matrice triangulaire avec B T B = R T R obtenue parfactorisation de Cholesky.CNAM Cours ELE 203. – p.52/77

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