Cedric Roux
74d07a70f6
Conflicts: openair1/PHY/INIT/lte_init.c openair1/PHY/MODULATION/beamforming.c openair1/PHY/defs.h targets/RT/USER/lte-enb.c
124 lines
6.0 KiB
C
124 lines
6.0 KiB
C
/*******************************************************************************
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OpenAirInterface
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Copyright(c) 1999 - 2014 Eurecom
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OpenAirInterface is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenAirInterface is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenAirInterface.The full GNU General Public License is
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included in this distribution in the file called "COPYING". If not,
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see <http://www.gnu.org/licenses/>.
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Contact Information
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OpenAirInterface Admin: openair_admin@eurecom.fr
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OpenAirInterface Tech : openair_tech@eurecom.fr
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OpenAirInterface Dev : openair4g-devel@eurecom.fr
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Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
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*******************************************************************************/
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/*! \file PHY/MODULATION/beamforming.c
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* \brief
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* \author X. JIANG, F. Kaltenberger, R. KNOPP
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* \date 2016
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* \version 0.1
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* \company Eurecom
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* \email: xiwen.jiang@eurecom.fr,florian.kaltenberger@eurecom.fr,raymond.knopp@eurecom.fr
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* \note
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* \warning
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*/
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#include "PHY/defs.h"
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#include "PHY/extern.h"
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#include "PHY/CODING/defs.h"
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#include "PHY/CODING/extern.h"
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#include "PHY/CODING/lte_interleaver_inline.h"
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#include "PHY/LTE_TRANSPORT/defs.h"
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#include "defs.h"
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#include "UTIL/LOG/vcd_signal_dumper.h"
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int beam_precoding(int32_t **txdataF,
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int32_t **txdataF_BF,
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LTE_DL_FRAME_PARMS *frame_parms,
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int32_t ***beam_weights,
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int slot,
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int symbol,
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int aa)
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{
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uint8_t p;
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uint16_t re=0;
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int slot_offset_F;
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slot_offset_F = slot*(frame_parms->ofdm_symbol_size)*((frame_parms->Ncp==1) ? 6 : 7);
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// clear txdata_BF[aa][re] for each call of ue_spec_beamforming
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memset(txdataF_BF[aa],0,sizeof(int32_t)*(frame_parms->ofdm_symbol_size));
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#if 0
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/* TODO: to be resolved */
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<<<<<<< HEAD
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for (p=0; p<14; p++) {
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//if (p==0 || p==1 || p==5 || p>7)
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// mult_cpx_conj_vector((int16_t*)txdataF[p], (int16_t*)beam_weights[p][aa], (int16_t*)txdataF_BF[aa], frame_parms->ofdm_symbol_size, 15);
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if (txdataF[p]) {//[slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re]!=0) {
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for (re=0;re<frame_parms->ofdm_symbol_size;re++) {
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((int16_t*)&txdataF_BF[aa][re])[0] += (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[0]*((int16_t*)&beam_weights[p][aa][re])[0])>>15);
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((int16_t*)&txdataF_BF[aa][re])[0] -= (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[1]*((int16_t*)&beam_weights[p][aa][re])[1])>>15);
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((int16_t*)&txdataF_BF[aa][re])[1] += (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[0]*((int16_t*)&beam_weights[p][aa][re])[1])>>15);
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((int16_t*)&txdataF_BF[aa][re])[1] += (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[1]*((int16_t*)&beam_weights[p][aa][re])[0])>>15);
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/*
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printf("beamforming.c:txdataF[%d][%d]=%d+j%d, beam_weights[%d][%d][%d]=%d+j%d,txdata_BF[%d][%d]=%d+j%d\n",
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p,slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re,
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((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[0],
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((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[1],
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p,aa,re,
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((int16_t*)&beam_weights[p][aa][re])[0],((int16_t*)&beam_weights[p][aa][re])[1],
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aa,re,
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((int16_t*)&txdataF_BF[aa][re])[0],
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((int16_t*)&txdataF_BF[aa][re])[1]);
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*/
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}
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=======
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for (p=0; p<NB_ANTENNA_PORTS_ENB; p++) {
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if (p==0 || p==1 || p==5) {
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multadd_cpx_vector((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size],(int16_t*)beam_weights[p][aa], (int16_t*)txdataF_BF[aa], 0, frame_parms->ofdm_symbol_size, 15);
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//mult_cpx_conj_vector((int16_t*)beam_weights[p][aa], (int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size], (int16_t*)txdataF_BF[aa], frame_parms->ofdm_symbol_size, 15, 1);
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// if check version
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/*for (re=0;re<frame_parms->ofdm_symbol_size;re++) {
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if (txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re]!=0) {
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((int16_t*)&txdataF_BF[aa][re])[0] += (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[0]*((int16_t*)&beam_weights[p][aa][re])[0])>>15);
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((int16_t*)&txdataF_BF[aa][re])[0] -= (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[1]*((int16_t*)&beam_weights[p][aa][re])[1])>>15);
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((int16_t*)&txdataF_BF[aa][re])[1] += (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[0]*((int16_t*)&beam_weights[p][aa][re])[1])>>15);
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((int16_t*)&txdataF_BF[aa][re])[1] += (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[1]*((int16_t*)&beam_weights[p][aa][re])[0])>>15);
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printf("beamforming.c:txdataF[%d][%d]=%d+j%d, beam_weights[%d][%d][%d]=%d+j%d,txdata_BF[%d][%d]=%d+j%d\n",
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p,slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re,
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((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[0],
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((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[1],
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p,aa,re,
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((int16_t*)&beam_weights[p][aa][re])[0],((int16_t*)&beam_weights[p][aa][re])[1],
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aa,re,
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((int16_t*)&txdataF_BF[aa][re])[0],
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((int16_t*)&txdataF_BF[aa][re])[1]);
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}
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}*/
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>>>>>>> enhancement-192-beamforming
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#endif
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}
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}
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return 0;
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}
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