Cedric Roux
b4a48e199e
Conflicts: openair1/PHY/CODING/rate_matching.c openair1/PHY/LTE_REFSIG/primary_synch.h openair2/LAYER2/layer2_top.c openair2/RRC/LITE/rrc_config.c
91 lines
4.2 KiB
C
91 lines
4.2 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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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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for (p=0; p<NB_ANTENNA_PORTS_ENB; p++) {
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if (p<frame_parms->nb_antenna_ports_eNB || p==5) {
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multadd_cpx_vector((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size],
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(int16_t*)beam_weights[p][aa],
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(int16_t*)&txdataF_BF[aa][symbol*frame_parms->ofdm_symbol_size],
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0,
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frame_parms->ofdm_symbol_size,
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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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}
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}
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return 0;
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}
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