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clean up zero forcing Rx

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This commit is contained in:
sfn
2022-01-25 12:04:20 +01:00
committed by Thomas Schlichter
parent 9ca7f14ce8
commit 8eae4bbfdc
1 changed files with 7 additions and 8 deletions
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openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
+3 -4
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@@ -2314,14 +2314,13 @@ uint8_t nr_zero_forcing_rx(int **rxdataF_comp,
nb_rb_0, nb_rb_0,
shift); shift);
} }
nr_construct_HhH_elements(conjH_H_elements[ctx*n_tx+rtx], nr_construct_HhH_elements(conjH_H_elements[ctx*n_tx+rtx],n_rx,nb_rb_0);
n_rx,
nb_rb_0);
} }
} }
int16_t k,rr[n_tx-1],cc[n_tx-1]; int16_t k,rr[n_tx-1],cc[n_tx-1];
int fpshift = 8; int fpshift = 8;
//Allocate the matrix inv elements //Allocate the matrix inv elements
int32_t ** inv_H_h_H; int32_t ** inv_H_h_H;
inv_H_h_H = (int32_t **)malloc16_clear( n_tx*n_tx*sizeof(int32_t *) ); inv_H_h_H = (int32_t **)malloc16_clear( n_tx*n_tx*sizeof(int32_t *) );
@@ -2330,6 +2329,7 @@ uint8_t nr_zero_forcing_rx(int **rxdataF_comp,
inv_H_h_H[ctx*n_tx+rtx] = (int32_t *)malloc16_clear( 12*nb_rb*sizeof(int32_t) ); inv_H_h_H[ctx*n_tx+rtx] = (int32_t *)malloc16_clear( 12*nb_rb*sizeof(int32_t) );
} }
} }
//Compute Inversion of the H^*H matrix //Compute Inversion of the H^*H matrix
/* For 2x2 MIMO matrix, we compute /* For 2x2 MIMO matrix, we compute
* |(conj_H_00xH_00+conj_H_10xH_10) (conj_H_00xH_01+conj_H_10xH_11)| * |(conj_H_00xH_00+conj_H_10xH_10) (conj_H_00xH_01+conj_H_10xH_11)|
@@ -2433,7 +2433,6 @@ uint8_t nr_zero_forcing_rx(int **rxdataF_comp,
print_shorts("nr_det_4x4",(int16_t*)&determ_fin[0]); print_shorts("nr_det_4x4",(int16_t*)&determ_fin[0]);
} }
// multiply Matrix inversion pf H_h_H by the rx signal vector // multiply Matrix inversion pf H_h_H by the rx signal vector
int32_t outtemp[12*nb_rb] __attribute__((aligned(32))); int32_t outtemp[12*nb_rb] __attribute__((aligned(32)));
int32_t **rxdataF_zforcing; int32_t **rxdataF_zforcing;