90 lines
3.3 KiB
C
90 lines
3.3 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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#ifndef __MODULATION_ENB__H__
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#define __MODULATION_ENB__H__
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#include "PHY/defs_common.h"
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#include "modulation_common.h"
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/** @addtogroup _PHY_MODULATION_
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* @{
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*/
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int slot_fep_ul(RU_t *ru,
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unsigned char l,
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unsigned char Ns,
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int no_prefix);
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void remove_7_5_kHz(RU_t *ru,uint8_t subframe);
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/** \brief This function performs beamforming precoding for common
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* data
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@param txdataF Table of pointers for frequency-domain TX signals
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@param txdataF_BF Table of pointers for frequency-domain TX signals
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@param subframe subframe index
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@param frame_parms Frame descriptor structure
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after beamforming
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@param beam_weights Beamforming weights applied on each
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antenna element and each carrier
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@param symbol Symbol index on which to act
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@param aa physical antenna index
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@param p logical antenna index
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@param l1_id L1 instance id*/
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int beam_precoding(int32_t **txdataF,
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int32_t **txdataF_BF,
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int subframe,
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LTE_DL_FRAME_PARMS *frame_parms,
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int32_t **beam_weights[NUMBER_OF_eNB_MAX+1][15],
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int symbol,
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int aa,
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int p,
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int l1_id);
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/** \brief This function performs beamforming precoding for common
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* data for only one eNB, fdragon
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@param txdataF Table of pointers for frequency-domain TX signals
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@param txdataF_BF Table of pointers for frequency-domain TX signals
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@param beam_weights Beamforming weights applied on each
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antenna element and each carrier
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@param subframe sf number
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@param nb_antenna_ports physical antennas
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@param nb_tx
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@param frame_parms
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*/
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int beam_precoding_one_eNB(int32_t **txdataF,
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int32_t **txdataF_BF,
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int32_t **beam_weights[NUMBER_OF_eNB_MAX+1][15],
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int subframe,
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int nb_antenna_ports,
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int nb_tx, // total physical antenna
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LTE_DL_FRAME_PARMS *frame_parms);
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int f_read(char *calibF_fname, int nb_ant, int nb_freq, int32_t **tdd_calib_coeffs);
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int estimate_DLCSI_from_ULCSI(int32_t **calib_dl_ch_estimates, int32_t **ul_ch_estimates, int32_t **tdd_calib_coeffs, int nb_ant, int nb_freq);
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int compute_BF_weights(int32_t **beam_weights, int32_t **calib_dl_ch_estimates, PRECODE_TYPE_t precode_type, int nb_ant, int nb_freq);
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/** @}*/
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#endif
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