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