Laurent THOMAS
206aa36a47
- Global variables that are never written to are marked const - Remove some EXTERN declaration - Remove unused `log_mem_multi` from logging module
162 lines
7.1 KiB
C
162 lines
7.1 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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#include "PHY/defs_nr_UE.h"
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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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static const unsigned short srs_bandwidth_config[C_SRS_NUMBER][B_SRS_NUMBER][2] = {
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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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#define SRS_PERIODICITY (17)
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static const uint16_t srs_periodicity[SRS_PERIODICITY] = {1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 640, 1280, 2560};
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// TS 38.211 - Table 6.4.1.4.2-1
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static const uint16_t srs_max_number_cs[3] = {8, 12, 6};
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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 symbol_offset symbol offset added in txdataF
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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 **txdataF,
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uint16_t symbol_offset,
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nr_srs_info_t *nr_srs_info,
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int16_t amp,
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frame_t frame_number,
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slot_t 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, const UE_nr_rxtx_proc_t *proc, c16_t **txdataF);
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#endif /* SRS_MODULATION_NR_H */
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