/******************************************************************************* *******************************************************************************/ /*! \file PHY/LTE_REFSIG/defs_NB_IoT.c * \function called by lte_dl_cell_spec_NB_IoT.c , TS 36-211, V13.4.0 2017-02 * \author M. KANJ * \date 2017 * \version 0.0 * \company bcom * \email: matthieu.kanj@b-com.com * \note * \warning */ /* Definitions for NB_IoT Reference signals */ #ifndef __LTE_REFSIG_DEFS_NB_IOT__H__ #define __LTE_REFSIG_DEFS_NB_IOT__H__ #include "PHY/defs_NB_IoT.h" /** @ingroup _PHY_REF_SIG * @{ */ /*!\brief This function generates the LTE Gold sequence (36-211, Sec 7.2), specifically for DL reference signals. @param frame_parms LTE DL Frame parameters @param lte_gold_table pointer to table where sequences are stored @param Nid_cell Cell Id for NB_IoT (to compute sequences for local and adjacent cells) */ void lte_gold_NB_IoT(NB_IoT_DL_FRAME_PARMS *frame_parms, uint32_t lte_gold_table_NB_IoT[20][2][14], uint16_t Nid_cell); /*! \brief This function generates the Narrowband reference signal (NRS) sequence (36-211, Sec 6.10.1.1) @param phy_vars_eNB Pointer to eNB variables @param output Output vector for OFDM symbol (Frequency Domain) @param amp Q15 amplitude @param Ns Slot number (0..19) @param l symbol (0,1) - Note 1 means 3! @param p antenna index @param RB_IoT_ID the ID of the RB dedicated for NB_IoT */ int lte_dl_cell_spec_NB_IoT(PHY_VARS_eNB_NB_IoT *phy_vars_eNB, int32_t *output, short amp, unsigned char Ns, unsigned char l, unsigned char p, unsigned short RB_IoT_ID); unsigned int lte_gold_generic_NB_IoT(unsigned int *x1, unsigned int *x2, unsigned char reset); void generate_ul_ref_sigs_rx(void); void free_ul_ref_sigs(void); #endif