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OpenXG-RAN
Commit 7bc37c56 authored by Florian Kaltenberger's avatar Florian Kaltenberger
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small fix for TM1 when used with >1 TX antennas 

TM2 now takes rho_a and rho_b power scaling factors into account
parent 3406aca2
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Showing with 18 additions and 9 deletions
openair1/PHY/INIT/lte_param_init.c
View file @ 7bc37c56
......@@ -50,7 +50,7 @@ void lte_param_init(unsigned char N_tx,
lte_frame_parms->nushift = Nid_cell%6;
lte_frame_parms->nb_antennas_tx = N_tx;
lte_frame_parms->nb_antennas_rx = N_rx;
lte_frame_parms->nb_antennas_tx_eNB = N_tx;
lte_frame_parms->nb_antennas_tx_eNB = (transmission_mode == 1)? 1 : 2;
lte_frame_parms->phich_config_common.phich_resource = one;
lte_frame_parms->tdd_config = tdd_config;
lte_frame_parms->frame_type = frame_type;
......
openair1/PHY/LTE_TRANSPORT/dlsch_modulation.c
View file @ 7bc37c56
......@@ -417,8 +417,10 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
*jj=*jj+1;
((int16_t *)&txdataF[0][tti_offset])[0]+=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_re])>>15);
((int16_t *)&txdataF[0][tti_offset])[1]+=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_im])>>15);
//((int16_t *)&txdataF[0][tti_offset])[0]+=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_re])>>15);
//((int16_t *)&txdataF[0][tti_offset])[1]+=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_im])>>15);
((int16_t *)&txdataF[0][tti_offset])[0]+=qam_table_s0[qam16_table_offset_re];
((int16_t *)&txdataF[0][tti_offset])[1]+=qam_table_s0[qam16_table_offset_im];
// Antenna 1 position n Real part -> -x1*
......@@ -446,8 +448,10 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
*jj=*jj+1;
((int16_t *)&txdataF[1][tti_offset])[0]+=-(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_re])>>15);
((int16_t *)&txdataF[1][tti_offset])[1]+=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_im])>>15);
//((int16_t *)&txdataF[1][tti_offset])[0]+=-(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_re])>>15);
//((int16_t *)&txdataF[1][tti_offset])[1]+=(int16_t)(((int32_t)amp*qam16_table[qam16_table_offset_im])>>15);
((int16_t *)&txdataF[1][tti_offset])[0]+=-qam_table_s0[qam16_table_offset_re];
((int16_t *)&txdataF[1][tti_offset])[1]+=qam_table_s0[qam16_table_offset_im];
break;
......@@ -488,8 +492,10 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
*jj=*jj+1;
((int16_t *)&txdataF[0][tti_offset])[0]+=(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_re])>>15);
((int16_t *)&txdataF[0][tti_offset])[1]+=(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_im])>>15);
//((int16_t *)&txdataF[0][tti_offset])[0]+=(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_re])>>15);
//((int16_t *)&txdataF[0][tti_offset])[1]+=(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_im])>>15);
((int16_t *)&txdataF[0][tti_offset])[0]+=qam_table_s0[qam64_table_offset_re];
((int16_t *)&txdataF[0][tti_offset])[1]+=qam_table_s0[qam64_table_offset_im];
// Antenna 1 => -x1*
......@@ -526,8 +532,11 @@ int allocate_REs_in_RB(LTE_DL_FRAME_PARMS *frame_parms,
*jj=*jj+1;
((int16_t *)&txdataF[1][tti_offset])[0]+=-(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_re])>>15);
((int16_t *)&txdataF[1][tti_offset])[1]+=(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_im])>>15);
//((int16_t *)&txdataF[1][tti_offset])[0]+=-(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_re])>>15);
//((int16_t *)&txdataF[1][tti_offset])[1]+=(int16_t)(((int32_t)amp*qam64_table[qam64_table_offset_im])>>15);
((int16_t *)&txdataF[1][tti_offset])[0]+=-qam_table_s0[qam64_table_offset_re];
((int16_t *)&txdataF[1][tti_offset])[1]+=qam_table_s0[qam64_table_offset_im];
break;
}
......
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