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Small changes in precoder to max MI 1stream

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This commit is contained in:
lukashov
2016-01-24 16:44:33 +01:00
parent 9410e89310
commit bca0b40679
3 changed files with 9 additions and 9 deletions
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openair1/PHY/LTE_ESTIMATION/lte_ue_measurements.c
+2 -2
View File
@@ -639,7 +639,7 @@ void lte_ue_measurements(PHY_VARS_UE *phy_vars_ue,
pmi128_im = _mm_add_epi32(pmi128_im,mmtmpPMI1);
// print_ints(" pmi128_im 0 ",&pmi128_im);
mmtmpPMI0 = _mm_xor_si128(mmtmpPMI0,mmtmpPMI0);
/* mmtmpPMI0 = _mm_xor_si128(mmtmpPMI0,mmtmpPMI0);
mmtmpPMI1 = _mm_xor_si128(mmtmpPMI1,mmtmpPMI1);
mmtmpPMI0 = _mm_madd_epi16(dl_ch0_128[1],dl_ch1_128[1]);
@@ -656,7 +656,7 @@ void lte_ue_measurements(PHY_VARS_UE *phy_vars_ue,
pmi128_re = _mm_add_epi32(pmi128_re,mmtmpPMI0);
// print_ints(" pmi128_re 1",&pmi128_re);
pmi128_im = _mm_add_epi32(pmi128_im,mmtmpPMI1);
//print_ints(" pmi128_im 1 ",&pmi128_im);
//print_ints(" pmi128_im 1 ",&pmi128_im);*/
#elif defined(__arm__)
openair1/PHY/LTE_TRANSPORT/dci_tools.c
+1 -1
View File
@@ -5881,7 +5881,7 @@ uint16_t quantize_subband_pmi(PHY_MEASUREMENTS *meas,uint8_t eNB_id,int nb_rb)
pmi_im += meas->subband_pmi_im[eNB_id][i][aarx];
//printf("meas->subband_pmi_im[eNB_id][i][%d]=%d\n",aarx, meas->subband_pmi_im[eNB_id][i][aarx]);
}
if (((pmi_re >= pmi_im) && (pmi_re >= -pmi_im)) || ((pmi_re < pmi_im) && (pmi_re < -pmi_im)))
if (((pmi_re >= pmi_im) && (pmi_re >= -pmi_im)) || ((pmi_re >= pmi_im) && (pmi_re <= -pmi_im)))
pmiq = PMI_2A_R1_11;
else
pmiq = PMI_2A_R1_1j;