PUSCH PTRS generation
This commit is contained in:
adk
@@ -1467,6 +1467,7 @@ set(PHY_SRC_UE
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${OPENAIR1_DIR}/PHY/NR_REFSIG/nr_dmrs_rx.c
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${OPENAIR1_DIR}/PHY/NR_REFSIG/nr_gold.c
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${OPENAIR1_DIR}/PHY/NR_REFSIG/dmrs_nr.c
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${OPENAIR1_DIR}/PHY/NR_REFSIG/ptrs_nr.c
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${OPENAIR1_DIR}/PHY/NR_UE_ESTIMATION/filt16a_32.c
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${OPENAIR1_DIR}/PHY/NR_ESTIMATION/nr_ul_channel_estimation.c
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${OPENAIR1_DIR}/PHY/NR_ESTIMATION/nr_adjust_sync_gNB.c
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@@ -1513,6 +1514,7 @@ set(PHY_SRC_UE
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${OPENAIR1_DIR}/PHY/NR_REFSIG/ul_ref_seq_nr.c
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${OPENAIR1_DIR}/PHY/NR_REFSIG/nr_dmrs_rx.c
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${OPENAIR1_DIR}/PHY/NR_REFSIG/dmrs_nr.c
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${OPENAIR1_DIR}/PHY/NR_REFSIG/ptrs_nr.c
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${OPENAIR1_DIR}/PHY/NR_REFSIG/nr_gold_ue.c
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${OPENAIR1_DIR}/PHY/NR_UE_ESTIMATION/filt16a_32.c
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${OPENAIR1_DIR}/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
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@@ -0,0 +1,429 @@
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/*
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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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/**********************************************************************
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*
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* FILENAME : ptrs_nr.c
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*
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* MODULE : phase tracking reference signals
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*
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* DESCRIPTION : resource element mapping of ptrs sequences
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* 3GPP TS 38.211 and 3GPP TS 38.214
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*
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************************************************************************/
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#include <stdint.h>
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#include <stdio.h>
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#include "dmrs_nr.h"
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#include "PHY/NR_REFSIG/ptrs_nr.h"
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/***********************************************************************/
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//#define max(a,b) (((a) > (b)) ? (a) : (b))
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// TS 38.211 Table 6.4.1.2.2.1-1: The parameter kRE_ref.
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// The first 4 colomns are DM-RS Configuration type 1 and the last 4 colomns are DM-RS Configuration type 2.
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int16_t table_6_4_1_2_2_1_1_pusch_ptrs_kRE_ref [6][8] = {
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{ 0, 2, 6, 8, 0, 1, 6, 7},
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{ 2, 4, 8, 10, 1, 6, 7, 0},
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{ 1, 3, 7, 9, 2, 3, 8, 9},
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{ 3, 5, 9, 11, 3, 8, 9, 2},
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{-1, -1, -1, -1, 4, 5, 10, 11},
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{-1, -1, -1, -1, 5, 10, 11, 4},
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};
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/*******************************************************************
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*
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* NAME : get_kRE_ref
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*
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* PARAMETERS : dmrs_antenna_port DMRS antenna port
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* pusch_dmrs_type PUSCH DMRS type
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* resourceElementOffset the parameter resourceElementOffset
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*
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* RETURN : the parameter k_RE_ref
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*
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* DESCRIPTION : 3GPP TS 38.211 Table 6.4.1.2.2.1-1
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*
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*********************************************************************/
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int16_t get_kRE_ref(uint8_t dmrs_antenna_port, uint8_t pusch_dmrs_type, uint8_t resourceElementOffset) {
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uint8_t colomn;
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int16_t k_RE_ref;
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colomn = resourceElementOffset;
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if (pusch_dmrs_type == 2)
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colomn += 4;
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k_RE_ref = table_6_4_1_2_2_1_1_pusch_ptrs_kRE_ref[dmrs_antenna_port][colomn];
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AssertFatal(k_RE_ref>=0,"invalid k_RE_ref < 0. Check PTRS Configuration\n");
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return k_RE_ref;
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}
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/*******************************************************************
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*
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* NAME : get_K_ptrs
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*
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* PARAMETERS : ptrs_UplinkConfig PTRS uplink configuration
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* N_RB number of RBs scheduled for PUSCH
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*
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* RETURN : the parameter K_ptrs
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*
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* DESCRIPTION : 3GPP TS 38.214 6.2.3 Table 6.2.3.1-2
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*
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*********************************************************************/
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uint8_t get_K_ptrs(ptrs_UplinkConfig_t *ptrs_UplinkConfig, uint16_t N_RB){
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uint16_t nrb0, nrb1;
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nrb0 = ptrs_UplinkConfig->frequencyDensity.n_rb0;
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nrb1 = ptrs_UplinkConfig->frequencyDensity.n_rb1;
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if (nrb0 == 0 || nrb0 == 0)
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return 2;
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if (N_RB < nrb0){
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LOG_I(PHY,"PUSH PT-RS is not present.\n");
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return 0;
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}
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else if (N_RB >= nrb0 && N_RB < nrb1)
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return 2;
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else
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return 4;
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}
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/*******************************************************************
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*
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* NAME : set_ptrs_symb_idx
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*
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* PARAMETERS : ptrs_symbols PTRS OFDM symbol indicies bit mask
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* ptrs_UplinkConfig PTRS uplink configuration
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* dmrs_UplinkConfig DMRS uplink configuration
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* mapping_type PUSCH time domain mapping type
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* duration_in_symbols number of scheduled PUSCH ofdm symbols
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* start_symbol first ofdm symbol of PUSCH within slot
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* L_ptrs the parameter L_ptrs
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* ofdm_symbol_size FFT size
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*
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* RETURN : sets the bit map of PTRS ofdm symbol indicies
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*
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* DESCRIPTION : 3GPP TS 38.211 6.4.1.2.2.1
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*
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*********************************************************************/
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void set_ptrs_symb_idx(uint16_t *ptrs_symbols,
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ptrs_UplinkConfig_t *ptrs_UplinkConfig,
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dmrs_UplinkConfig_t *dmrs_UplinkConfig,
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uint8_t mapping_type,
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uint8_t duration_in_symbols,
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uint8_t start_symbol,
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uint8_t L_ptrs,
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uint16_t ofdm_symbol_size) {
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uint8_t i, last_symbol, is_dmrs_symbol1, is_dmrs_symbol2;
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int16_t l_ref;
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*ptrs_symbols = 0;
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i = 0;
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is_dmrs_symbol1 = 0;
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is_dmrs_symbol2 = 0;
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l_ref = start_symbol;
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last_symbol = start_symbol + duration_in_symbols - 1;
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while ( (l_ref + i*L_ptrs) <= last_symbol) {
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is_dmrs_symbol1 = is_dmrs_symbol(max((l_ref + (i-1)*L_ptrs + 1), l_ref),
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0,
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0,
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0,
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0,
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0,
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duration_in_symbols,
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dmrs_UplinkConfig,
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mapping_type,
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ofdm_symbol_size);
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is_dmrs_symbol2 = is_dmrs_symbol(l_ref + i*L_ptrs,
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0,
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0,
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0,
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0,
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0,
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duration_in_symbols,
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dmrs_UplinkConfig,
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mapping_type,
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ofdm_symbol_size);
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if ( is_dmrs_symbol1 + is_dmrs_symbol2 > 0 ) {
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if (dmrs_UplinkConfig->pusch_maxLength == 2)
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l_ref = l_ref + i*L_ptrs + 1;
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else
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l_ref = l_ref + i*L_ptrs;
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i = 1;
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continue;
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}
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*ptrs_symbols = *ptrs_symbols | (1<<(l_ref + i*L_ptrs));
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i++;
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}
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}
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/*******************************************************************
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*
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* NAME : get_L_ptrs
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*
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* PARAMETERS : ptrs_UplinkConfig PTRS uplink configuration
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* I_mcs MCS index used for PUSCH
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*
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* RETURN : the parameter L_ptrs
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*
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* DESCRIPTION : 3GPP TS 38.214 6.2.3 Table 6.2.3.1-1
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*
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*********************************************************************/
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uint8_t get_L_ptrs(ptrs_UplinkConfig_t *ptrs_UplinkConfig, uint8_t I_mcs) {
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uint8_t mcs1, mcs2, mcs3;
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mcs1 = ptrs_UplinkConfig->timeDensity.ptrs_mcs1;
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mcs2 = ptrs_UplinkConfig->timeDensity.ptrs_mcs2;
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mcs3 = ptrs_UplinkConfig->timeDensity.ptrs_mcs3;
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if (mcs1 == 0 || mcs2 == 0 || mcs3 == 0)
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return 1;
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if (I_mcs < mcs1){
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LOG_I(PHY,"PUSH PT-RS is not present.\n");
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return 0;
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}
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else if (I_mcs >= mcs1 && I_mcs < mcs2)
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return 4;
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else if (I_mcs >= mcs2 && I_mcs < mcs3)
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return 2;
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else
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return 1;
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}
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/*******************************************************************
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*
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* NAME : is_ptrs_subcarrier
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*
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* PARAMETERS : k subcarrier index
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* K_ptrs the parameter K_ptrs
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* n_rnti UE CRNTI
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* N_RB number of RBs scheduled for PUSCH
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* k_RE_ref the parameter k_RE_ref
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* start_sc first subcarrier index
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* ofdm_symbol_size FFT size
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*
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* RETURN : 1 if subcarrier k is PTRS, or 0 otherwise
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*
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* DESCRIPTION : 3GPP TS 38.211 6.4.1.2 Phase-tracking reference signal for PUSCH
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*
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*********************************************************************/
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uint8_t is_ptrs_subcarrier(uint16_t k, uint8_t K_ptrs, uint16_t n_rnti, uint16_t N_RB, int16_t k_RE_ref, uint16_t start_sc, uint16_t ofdm_symbol_size) {
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uint16_t k_RB_ref, i, sc;
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i = 0;
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sc = 0;
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k_RB_ref = 0;
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if (N_RB % K_ptrs == 0)
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k_RB_ref = n_rnti % K_ptrs;
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else
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k_RB_ref = n_rnti % (N_RB % K_ptrs);
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while (k > sc){
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sc = (start_sc + k_RE_ref + (i*K_ptrs + k_RB_ref)*NR_NB_SC_PER_RB)%ofdm_symbol_size;
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i++;
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}
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if (k == sc)
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return 1;
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else
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return 0;
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}
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/*******************************************************************
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*
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* NAME : is_ptrs_symbol
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*
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* PARAMETERS : l ofdm symbol index within slot
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* k subcarrier index
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* n_rnti UE CRNTI
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* N_RB number of RBs scheduled for PUSCH
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* duration_in_symbols number of scheduled PUSCH ofdm symbols
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* dmrs_antenna_port DMRS antenna port
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* K_ptrs the parameter K_ptrs
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* ptrs_symbols bit mask of ptrs
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* start_sc first subcarrier index
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* ofdm_symbol_size FFT size
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* pusch_dmrs_type PUSCH DMRS type (1 or 2)
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* ptrs_UplinkConfig PTRS uplink configuration
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*
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* RETURN : 0 if symbol(k,l) is data, or 1 if symbol(k,l) is ptrs
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*
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* DESCRIPTION : 3GPP TS 38.211 6.4.1.2 Phase-tracking reference signal for PUSCH
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*
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*********************************************************************/
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uint8_t is_ptrs_symbol(uint8_t l,
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uint16_t k,
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uint16_t n_rnti,
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uint16_t N_RB,
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uint8_t duration_in_symbols,
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uint8_t dmrs_antenna_port,
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uint8_t K_ptrs,
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uint16_t ptrs_symbols,
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uint16_t start_sc,
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uint16_t ofdm_symbol_size,
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pusch_dmrs_type_t pusch_dmrs_type,
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ptrs_UplinkConfig_t *ptrs_UplinkConfig) {
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uint8_t is_ptrs_freq, is_ptrs_time;
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int16_t k_RE_ref;
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is_ptrs_freq = 0;
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is_ptrs_time = 0;
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k_RE_ref = get_kRE_ref(dmrs_antenna_port, pusch_dmrs_type, ptrs_UplinkConfig->resourceElementOffset);
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is_ptrs_freq = is_ptrs_subcarrier(k, K_ptrs, n_rnti, N_RB, k_RE_ref, start_sc, ofdm_symbol_size);
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if (is_ptrs_freq == 0)
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return 0;
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if (((ptrs_symbols>>l)&1) == 1)
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is_ptrs_time = 1;
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if (is_ptrs_time && is_ptrs_freq)
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return 1;
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else
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return 0;
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}
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/*
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int main(int argc, char const *argv[])
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{
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dmrs_UplinkConfig_t dmrs_Uplink_Config;
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ptrs_UplinkConfig_t ptrs_Uplink_Config;
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uint8_t resourceElementOffset;
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uint8_t dmrs_antenna_port;
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uint8_t L_ptrs, K_ptrs;
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int16_t k_RE_ref;
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uint16_t N_RB, ptrs_symbols, ofdm_symbol_size, k;
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uint8_t duration_in_symbols, I_mcs;
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uint8_t start_symbol, l;
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uint8_t ptrs_symbol_flag;
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uint16_t n_rnti;
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dmrs_Uplink_Config.pusch_dmrs_type = pusch_dmrs_type1;
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dmrs_Uplink_Config.pusch_dmrs_AdditionalPosition = pusch_dmrs_pos1;
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dmrs_Uplink_Config.pusch_maxLength = pusch_len2;
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ptrs_Uplink_Config.timeDensity.ptrs_mcs1 = 0; // setting MCS values to 0 indicate abscence of time_density field in the configuration
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ptrs_Uplink_Config.timeDensity.ptrs_mcs2 = 0;
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ptrs_Uplink_Config.timeDensity.ptrs_mcs3 = 0;
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ptrs_Uplink_Config.frequencyDensity.n_rb0 = 0; // setting N_RB values to 0 indicate abscence of frequency_density field in the configuration
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ptrs_Uplink_Config.frequencyDensity.n_rb1 = 0;
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ptrs_Uplink_Config.resourceElementOffset = 0;
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n_rnti = 0x1234;
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resourceElementOffset = 0;
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ptrs_symbols = 0;
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dmrs_antenna_port = 0;
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N_RB = 50;
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duration_in_symbols = 14;
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ofdm_symbol_size = 2048;
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I_mcs = 9;
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start_symbol = 0;
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ptrs_symbol_flag = 0;
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k_RE_ref = get_kRE_ref(dmrs_antenna_port, dmrs_Uplink_Config.pusch_dmrs_type, resourceElementOffset);
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K_ptrs = get_K_ptrs(&ptrs_Uplink_Config, N_RB);
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L_ptrs = get_L_ptrs(&ptrs_Uplink_Config, I_mcs);
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set_ptrs_symb_idx(&ptrs_symbols,
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&ptrs_Uplink_Config,
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&dmrs_Uplink_Config,
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1,
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duration_in_symbols,
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start_symbol,
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L_ptrs,
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ofdm_symbol_size);
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printf("PTRS OFDM symbol indicies: ");
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for (l = start_symbol; l < start_symbol + duration_in_symbols; l++){
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ptrs_symbol_flag = is_ptrs_symbol(l,
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0,
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n_rnti,
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N_RB,
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duration_in_symbols,
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dmrs_antenna_port,
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K_ptrs,
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ptrs_symbols,
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dmrs_Uplink_Config.pusch_dmrs_type,
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&ptrs_Uplink_Config);
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if (ptrs_symbol_flag == 1)
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printf(" %d ", l);
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}
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printf("\n");
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printf("PTRS subcarrier indicies: ");
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for (k = 0; k < N_RB*12; k++){
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if (is_ptrs_subcarrier(k, K_ptrs, n_rnti, N_RB, k_RE_ref) == 1)
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printf(" %d ", k);
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||||
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||||
}
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||||
|
||||
printf("\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
*/
|
||||
@@ -0,0 +1,82 @@
|
||||
/*
|
||||
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership.
|
||||
* The OpenAirInterface Software Alliance licenses this file to You under
|
||||
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
|
||||
* except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.openairinterface.org/?page_id=698
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*-------------------------------------------------------------------------------
|
||||
* For more information about the OpenAirInterface (OAI) Software Alliance:
|
||||
* contact@openairinterface.org
|
||||
*/
|
||||
|
||||
/**********************************************************************
|
||||
*
|
||||
* FILENAME : dmrs.h
|
||||
*
|
||||
* MODULE : demodulation reference signals
|
||||
*
|
||||
* DESCRIPTION : generation of dmrs sequences for NR 5G
|
||||
* 3GPP TS 38.211
|
||||
*
|
||||
************************************************************************/
|
||||
|
||||
#ifndef PTRS_NR_H
|
||||
#define PTRS_NR_H
|
||||
|
||||
#include "PHY/defs_nr_UE.h"
|
||||
|
||||
/************** CODE GENERATION ***********************************/
|
||||
|
||||
/************** DEFINE ********************************************/
|
||||
|
||||
|
||||
/************* STRUCTURES *****************************************/
|
||||
|
||||
|
||||
/************** VARIABLES *****************************************/
|
||||
|
||||
/************** FUNCTION ******************************************/
|
||||
|
||||
int16_t get_kRE_ref(uint8_t dmrs_antenna_port, uint8_t pusch_dmrs_type, uint8_t resourceElementOffset);
|
||||
|
||||
uint8_t get_K_ptrs(ptrs_UplinkConfig_t *ptrs_UplinkConfig, uint16_t N_RB);
|
||||
|
||||
void set_ptrs_symb_idx(uint16_t *ptrs_symbols,
|
||||
ptrs_UplinkConfig_t *ptrs_UplinkConfig,
|
||||
dmrs_UplinkConfig_t *dmrs_UplinkConfig,
|
||||
uint8_t mapping_type,
|
||||
uint8_t duration_in_symbols,
|
||||
uint8_t start_symbol,
|
||||
uint8_t L_ptrs,
|
||||
uint16_t ofdm_symbol_size);
|
||||
|
||||
uint8_t get_L_ptrs(ptrs_UplinkConfig_t *ptrs_UplinkConfig, uint8_t I_mcs);
|
||||
|
||||
uint8_t is_ptrs_subcarrier(uint16_t k, uint8_t K_ptrs, uint16_t n_rnti, uint16_t N_RB, int16_t k_RE_ref, uint16_t start_sc, uint16_t ofdm_symbol_size);
|
||||
|
||||
uint8_t is_ptrs_symbol(uint8_t l,
|
||||
uint16_t k,
|
||||
uint16_t n_rnti,
|
||||
uint16_t N_RB,
|
||||
uint8_t duration_in_symbols,
|
||||
uint8_t dmrs_antenna_port,
|
||||
uint8_t K_ptrs,
|
||||
uint16_t ptrs_symbols,
|
||||
uint16_t start_sc,
|
||||
uint16_t ofdm_symbol_size,
|
||||
pusch_dmrs_type_t pusch_dmrs_type,
|
||||
ptrs_UplinkConfig_t *ptrs_UplinkConfig);
|
||||
|
||||
|
||||
|
||||
#endif /* PTRS_NR_H */
|
||||
@@ -240,6 +240,8 @@ typedef struct {
|
||||
int16_t Po_SRS;
|
||||
/// num active cba group
|
||||
uint8_t num_active_cba_groups;
|
||||
/// bit mask of PT-RS ofdm symbol indicies
|
||||
uint16_t ptrs_symbols;
|
||||
/// num dci found for cba
|
||||
//uint8_t num_cba_dci[10];
|
||||
/// allocated CBA RNTI
|
||||
|
||||
@@ -31,6 +31,7 @@
|
||||
*/
|
||||
#include <stdint.h>
|
||||
#include "PHY/NR_REFSIG/dmrs_nr.h"
|
||||
#include "PHY/NR_REFSIG/ptrs_nr.h"
|
||||
#include "PHY/NR_UE_TRANSPORT/nr_transport_ue.h"
|
||||
#include "PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h"
|
||||
#include "PHY/MODULATION/nr_modulation.h"
|
||||
@@ -105,19 +106,22 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
|
||||
int32_t **txdataF;
|
||||
uint16_t start_sc, start_rb;
|
||||
int8_t Wf[2], Wt[2], l_prime[2], delta;
|
||||
uint16_t n_dmrs, code_rate, number_dmrs_symbols;
|
||||
uint16_t n_dmrs, code_rate, number_dmrs_symbols, k;
|
||||
uint8_t dmrs_type;
|
||||
uint8_t mapping_type;
|
||||
int ap, start_symbol, Nid_cell, i;
|
||||
int sample_offsetF, N_RE_prime, N_PRB_oh;
|
||||
uint16_t n_rnti;
|
||||
uint8_t data_existing =0;
|
||||
uint8_t L_ptrs, K_ptrs; // PTRS parameters
|
||||
uint16_t beta_ptrs; // PTRS parameter related to power control
|
||||
|
||||
NR_UE_ULSCH_t *ulsch_ue;
|
||||
NR_UL_UE_HARQ_t *harq_process_ul_ue;
|
||||
NR_DL_FRAME_PARMS *frame_parms = &UE->frame_parms;
|
||||
NR_UE_PUSCH *pusch_ue = UE->pusch_vars[thread_id][gNB_id];
|
||||
uint8_t ulsch_input_buffer[MAX_ULSCH_PAYLOAD_BYTES];
|
||||
ptrs_UplinkConfig_t *ptrs_Uplink_Config = &UE->pusch_config.dmrs_UplinkConfig.ptrs_UplinkConfig;
|
||||
|
||||
num_of_codewords = 1; // tmp assumption
|
||||
n_rnti = 0x1234;
|
||||
@@ -281,6 +285,36 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
|
||||
///////////
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
/////////////////////////PTRS parameters' initialization/////////////////////////
|
||||
///////////
|
||||
|
||||
int16_t mod_ptrs[(harq_process_ul_ue->nb_rb/2)*(NR_SYMBOLS_PER_SLOT-1)*2]; // assume maximum number of PTRS per pusch allocation
|
||||
K_ptrs = 0; // just to avoid a warning
|
||||
|
||||
if (UE->ptrs_configured == 1) {
|
||||
|
||||
K_ptrs = get_K_ptrs(ptrs_Uplink_Config, harq_process_ul_ue->nb_rb);
|
||||
|
||||
L_ptrs = get_L_ptrs(ptrs_Uplink_Config, harq_process_ul_ue->mcs);
|
||||
|
||||
beta_ptrs = 1; // temp value until power control is implemented
|
||||
|
||||
ulsch_ue->ptrs_symbols = 0;
|
||||
|
||||
set_ptrs_symb_idx(&ulsch_ue->ptrs_symbols,
|
||||
ptrs_Uplink_Config,
|
||||
&UE->pusch_config.dmrs_UplinkConfig,
|
||||
1,
|
||||
harq_process_ul_ue->number_of_symbols,
|
||||
start_symbol,
|
||||
L_ptrs,
|
||||
frame_parms->ofdm_symbol_size);
|
||||
}
|
||||
|
||||
///////////
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
/////////////////////////ULSCH layer mapping/////////////////////////
|
||||
///////////
|
||||
|
||||
@@ -357,8 +391,8 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
|
||||
|
||||
|
||||
uint8_t k_prime=0;
|
||||
uint8_t is_dmrs;
|
||||
uint16_t m=0, n=0, dmrs_idx=0, k=0;
|
||||
uint8_t is_dmrs, is_ptrs;
|
||||
uint16_t m=0, n=0, dmrs_idx=0, ptrs_idx = 0;
|
||||
|
||||
for (l=start_symbol; l<start_symbol+harq_process_ul_ue->number_of_symbols; l++) {
|
||||
|
||||
@@ -371,6 +405,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
|
||||
sample_offsetF = l*frame_parms->ofdm_symbol_size + k;
|
||||
|
||||
is_dmrs = 0;
|
||||
is_ptrs = 0;
|
||||
|
||||
is_dmrs = is_dmrs_symbol(l,
|
||||
k,
|
||||
@@ -383,9 +418,26 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
|
||||
mapping_type,
|
||||
frame_parms->ofdm_symbol_size);
|
||||
|
||||
if (UE->ptrs_configured == 1){
|
||||
is_ptrs = is_ptrs_symbol(l,
|
||||
k,
|
||||
ulsch_ue->rnti,
|
||||
harq_process_ul_ue->nb_rb,
|
||||
harq_process_ul_ue->number_of_symbols,
|
||||
ap,
|
||||
K_ptrs,
|
||||
ulsch_ue->ptrs_symbols,
|
||||
start_sc,
|
||||
frame_parms->ofdm_symbol_size,
|
||||
UE->pusch_config.dmrs_UplinkConfig.pusch_dmrs_type,
|
||||
ptrs_Uplink_Config);
|
||||
}
|
||||
|
||||
if (is_dmrs == 1) {
|
||||
|
||||
nr_modulation(pusch_dmrs[l][0], n_dmrs*2, DMRS_MOD_ORDER, mod_dmrs); // currently only codeword 0 is modulated. Qm = 2 as DMRS is QPSK modulated
|
||||
if (k == start_sc){
|
||||
nr_modulation(pusch_dmrs[l][0], n_dmrs*2, DMRS_MOD_ORDER, mod_dmrs); // currently only codeword 0 is modulated. Qm = 2 as DMRS is QPSK modulated
|
||||
}
|
||||
|
||||
((int16_t*)txdataF[ap])[(sample_offsetF)<<1] = (Wt[l_prime[0]]*Wf[k_prime]*AMP*mod_dmrs[dmrs_idx<<1]) >> 15;
|
||||
((int16_t*)txdataF[ap])[((sample_offsetF)<<1) + 1] = (Wt[l_prime[0]]*Wf[k_prime]*AMP*mod_dmrs[(dmrs_idx<<1) + 1]) >> 15;
|
||||
@@ -401,9 +453,19 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
|
||||
k_prime++;
|
||||
k_prime&=1;
|
||||
n+=(k_prime)?0:1;
|
||||
}
|
||||
|
||||
else {
|
||||
} else if (is_ptrs == 1) {
|
||||
|
||||
if (k == start_sc){
|
||||
nr_modulation(pusch_dmrs[l][0], harq_process_ul_ue->nb_rb/2, DMRS_MOD_ORDER, mod_ptrs);
|
||||
}
|
||||
|
||||
((int16_t*)txdataF[ap])[(sample_offsetF)<<1] = (beta_ptrs*AMP*mod_ptrs[ptrs_idx<<1]) >> 15;
|
||||
((int16_t*)txdataF[ap])[((sample_offsetF)<<1) + 1] = (beta_ptrs*AMP*mod_ptrs[(ptrs_idx<<1) + 1]) >> 15;
|
||||
|
||||
ptrs_idx++;
|
||||
|
||||
} else {
|
||||
|
||||
((int16_t*)txdataF[ap])[(sample_offsetF)<<1] = ((int16_t *) ulsch_ue->y)[m<<1];
|
||||
((int16_t*)txdataF[ap])[((sample_offsetF)<<1) + 1] = ((int16_t *) ulsch_ue->y)[(m<<1) + 1];
|
||||
|
||||
Reference in New Issue
Block a user