175 lines
8.1 KiB
C
175 lines
8.1 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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/***********************************************************************
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*
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* FILENAME : srs_modulation_nr.h
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*
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* MODULE :
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*
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* DESCRIPTION : function to generate uplink reference sequences
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* see 3GPP TS 38.211 6.4.1.4 Sounding reference signal
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*
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************************************************************************/
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#ifndef SRS_MODULATION_NR_H
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#define SRS_MODULATION_NR_H
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#ifdef DEFINE_VARIABLES_SRS_MODULATION_NR_H
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#define EXTERN
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#define INIT_VARIABLES_SRS_MODULATION_NR_H
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#else
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#define EXTERN extern
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#undef INIT_VARIABLES_SRS_MODULATION_NR_H
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#endif
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/************** DEFINE ********************************************/
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#define C_SRS_NUMBER (64)
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#define B_SRS_NUMBER (4)
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/************** VARIABLES *****************************************/
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/* TS 38.211 Table 6.4.1.4.3-1: SRS bandwidth configuration */
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EXTERN const unsigned short srs_bandwidth_config[C_SRS_NUMBER][B_SRS_NUMBER][2]
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#ifdef INIT_VARIABLES_SRS_MODULATION_NR_H
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= {
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/* B_SRS = 0 B_SRS = 1 B_SRS = 2 B_SRS = 3 */
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/* C SRS m_srs0 N_0 m_srs1 N_1 m_srs2 N_2 m_srs3 N_3 */
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/* 0 */ { { 4, 1 },{ 4, 1 },{ 4, 1 },{ 4, 1 } },
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/* 1 */ { { 8, 1 },{ 4, 2 },{ 4, 1 },{ 4, 1 } },
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/* 2 */ { { 12, 1 },{ 4, 3 },{ 4, 1 },{ 4, 1 } },
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/* 3 */ { { 16, 1 },{ 4, 4 },{ 4, 1 },{ 4, 1 } },
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/* 4 */ { { 16, 1 },{ 8, 2 },{ 4, 2 },{ 4, 1 } },
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/* 5 */ { { 20, 1 },{ 4, 5 },{ 4, 1 },{ 4, 1 } },
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/* 6 */ { { 24, 1 },{ 4, 6 },{ 4, 1 },{ 4, 1 } },
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/* 7 */ { { 24, 1 },{ 12, 2 },{ 4, 3 },{ 4, 1 } },
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/* 8 */ { { 28, 1 },{ 4, 7 },{ 4, 1 },{ 4, 1 } },
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/* 9 */ { { 32, 1 },{ 16, 2 },{ 8, 2 },{ 4, 2 } },
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/* 10 */ { { 36, 1 },{ 12, 3 },{ 4, 3 },{ 4, 1 } },
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/* 11 */ { { 40, 1 },{ 20, 2 },{ 4, 5 },{ 4, 1 } },
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/* 12 */ { { 48, 1 },{ 16, 3 },{ 8, 2 },{ 4, 2 } },
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/* 13 */ { { 48, 1 },{ 24, 2 },{ 12, 2 },{ 4, 3 } },
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/* 14 */ { { 52, 1 },{ 4, 13 },{ 4, 1 },{ 4, 1 } },
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/* 15 */ { { 56, 1 },{ 28, 2 },{ 4, 7 },{ 4, 1 } },
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/* 16 */ { { 60, 1 },{ 20, 3 },{ 4, 5 },{ 4, 1 } },
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/* 17 */ { { 64, 1 },{ 32, 2 },{ 16, 2 },{ 4, 4 } },
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/* 18 */ { { 72, 1 },{ 24, 3 },{ 12, 2 },{ 4, 3 } },
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/* 19 */ { { 72, 1 },{ 36, 2 },{ 12, 3 },{ 4, 3 } },
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/* 20 */ { { 76, 1 },{ 4, 19 },{ 4, 1 },{ 4, 1 } },
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/* 21 */ { { 80, 1 },{ 40, 2 },{ 20, 2 },{ 4, 5 } },
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/* 22 */ { { 88, 1 },{ 44, 2 },{ 4, 11 },{ 4, 1 } },
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/* 23 */ { { 96, 1 },{ 32, 3 },{ 16, 2 },{ 4, 4 } },
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/* 24 */ { { 96, 1 },{ 48, 2 },{ 24, 2 },{ 4, 6 } },
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/* 25 */ { { 104, 1 },{ 52, 2 },{ 4, 13 },{ 4, 1 } },
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/* 26 */ { { 112, 1 },{ 56, 2 },{ 28, 2 },{ 4, 7 } },
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/* 27 */ { { 120, 1 },{ 60, 2 },{ 20, 3 },{ 4, 5 } },
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/* 28 */ { { 120, 1 },{ 40, 3 },{ 8, 5 },{ 4, 2 } },
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/* 29 */ { { 120, 1 },{ 24, 5 },{ 12, 2 },{ 4, 3 } },
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/* 30 */ { { 128, 1 },{ 64, 2 },{ 32, 2 },{ 4, 8 } },
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/* 31 */ { { 128, 1 },{ 64, 2 },{ 16, 4 },{ 4, 4 } },
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/* 32 */ { { 128, 1 },{ 16, 8 },{ 8, 2 },{ 4, 2 } },
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/* 33 */ { { 132, 1 },{ 44, 3 },{ 4, 11 },{ 4, 1 } },
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/* 34 */ { { 136, 1 },{ 68, 2 },{ 4, 17 },{ 4, 1 } },
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/* 35 */ { { 144, 1 },{ 72, 2 },{ 36, 2 },{ 4, 9 } },
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/* 36 */ { { 144, 1 },{ 48, 3 },{ 24, 2 },{ 12, 2 } },
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/* 37 */ { { 144, 1 },{ 48, 3 },{ 16, 3 },{ 4, 4 } },
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/* 38 */ { { 144, 1 },{ 16, 9 },{ 8, 2 },{ 4, 2 } },
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/* 39 */ { { 152, 1 },{ 76, 2 },{ 4, 19 },{ 4, 1 } },
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/* 40 */ { { 160, 1 },{ 80, 2 },{ 40, 2 },{ 4, 10 } },
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/* 41 */ { { 160, 1 },{ 80, 2 },{ 20, 4 },{ 4, 5 } },
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/* 42 */ { { 160, 1 },{ 32, 5 },{ 16, 2 },{ 4, 4 } },
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/* 43 */ { { 168, 1 },{ 84, 2 },{ 28, 3 },{ 4, 7 } },
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/* 44 */ { { 176, 1 },{ 88, 2 },{ 44, 2 },{ 4, 11 } },
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/* 45 */ { { 184, 1 },{ 92, 2 },{ 4, 23 },{ 4, 1 } },
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/* 46 */ { { 192, 1 },{ 96, 2 },{ 48, 2 },{ 4, 12 } },
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/* 47 */ { { 192, 1 },{ 96, 2 },{ 24, 4 },{ 4, 6 } },
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/* 48 */ { { 192, 1 },{ 64, 3 },{ 16, 4 },{ 4, 4 } },
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/* 49 */ { { 192, 1 },{ 24, 8 },{ 8, 3 },{ 4, 2 } },
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/* 50 */ { { 208, 1 },{ 104, 2 },{ 52, 2 },{ 4, 13 } },
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/* 51 */ { { 216, 1 },{ 108, 2 },{ 36, 3 },{ 4, 9 } },
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/* 52 */ { { 224, 1 },{ 112, 2 },{ 56, 2 },{ 4, 14 } },
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/* 53 */ { { 240, 1 },{ 120, 2 },{ 60, 2 },{ 4, 15 } },
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/* 54 */ { { 240, 1 },{ 80, 3 },{ 20, 4 },{ 4, 5 } },
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/* 55 */ { { 240, 1 },{ 48, 5 },{ 16, 3 },{ 8, 2 } },
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/* 56 */ { { 240, 1 },{ 24, 10 },{ 12, 2 },{ 4, 3 } },
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/* 57 */ { { 256, 1 },{ 128, 2 },{ 64, 2 },{ 4, 16 } },
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/* 58 */ { { 256, 1 },{ 128, 2 },{ 32, 4 },{ 4, 8 } },
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/* 59 */ { { 256, 1 },{ 16, 16 },{ 8, 2 },{ 4, 2 } },
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/* 60 */ { { 264, 1 },{ 132, 2 },{ 44, 3 },{ 4, 11 } },
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/* 61 */ { { 272, 1 },{ 136, 2 },{ 68, 2 },{ 4, 17 } },
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/* 62 */ { { 272, 1 },{ 68, 4 },{ 4, 17 },{ 4, 1 } },
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/* 63 */ { { 272, 1 },{ 16, 17 },{ 8, 2 },{ 4, 2 } },
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}
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#endif
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;
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#define SRS_PERIODICITY (17)
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EXTERN const uint16_t srs_periodicity[SRS_PERIODICITY]
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#ifdef INIT_VARIABLES_SRS_MODULATION_NR_H
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= { 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 640, 1280, 2560}
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#endif
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;
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/*************** FUNCTIONS *****************************************/
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/** \brief This function generates the sounding reference symbol (SRS) for the uplink according to 38.211 6.4.1.4 Sounding reference signal
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@param frame_parms NR DL Frame parameters
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@param txdataF pointer to the frequency domain TX signal
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@param nr_srs_info pointer to the srs info structure
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@param amp amplitude of generated signal
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@param frame_number frame number
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@param slot_number slot number
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@returns 0 on success -1 on error with message */
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int generate_srs_nr(nfapi_nr_srs_pdu_t *srs_config_pdu,
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NR_DL_FRAME_PARMS *frame_parms,
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int32_t *txptr,
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nr_srs_info_t *nr_srs_info,
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int16_t amp,
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int frame_number,
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int slot_number);
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/** \brief This function checks for periodic srs if srs should be transmitted in this slot
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* @param p_SRS_Resource pointer to active resource
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@param frame_parms NR DL Frame parameters
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@param txdataF pointer to the frequency domain TX signal
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@returns 0 if srs should be transmitted -1 on error with message */
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int is_srs_period_nr(SRS_Resource_t *p_SRS_Resource,
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NR_DL_FRAME_PARMS *frame_parms,
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int frame_tx, int slot_tx);
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/** \brief This function processes srs configuration
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* @param ue context
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@param rxtx context
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@param current gNB_id identifier
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@returns 0 if srs is transmitted -1 otherwise */
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int ue_srs_procedures_nr(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, uint8_t gNB_id);
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#undef EXTERN
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#undef INIT_VARIABLES_SRS_MODULATION_NR_H
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#endif /* SRS_MODULATION_NR_H */
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