adding PHY_Config structure for FAPI-like PHY configuration, still to finish...

adding PHY_Config structure for FAPI-like PHY configuration, still to finish the function call. The code compile

openair1/PHY/defs.h

@@ -565,6 +565,9 @@ typedef struct PHY_VARS_eNB_s {
   // Pointers for active physicalConfigDedicated to be applied in current subframe
   struct PhysicalConfigDedicated *physicalConfigDedicated[NUMBER_OF_UE_MAX];
 
+  //Pointers for actve physicalConfigDedicated for NB-IoT to be applied in current subframe
+  struct PhysicalConfigDedicated_NB_r13 *phy_config_dedicated_NB[NUMBER_OF_UE_MAX];
+
 
   uint32_t rb_mask_ul[4];
 

openair1/PHY/impl_defs_lte_nb_iot.h

@@ -48,27 +48,31 @@
 
 
 /// NPRACH-ParametersList-NB-r13 from 36.331 RRC spec
-typedef struct {
+typedef struct NPRACH_Parameters_NB{
   /// the period time for nprach
-  uint8_t nprach_Periodicity;
+  uint16_t nprach_Periodicity;
   /// for the start time for the NPRACH resource from 40ms-2560ms
-  uint8_t nprach_StartTime;	
+  uint16_t nprach_StartTime;
   /// for the subcarrier of set to the NPRACH preamble from n0 - n34
-  uint8_t nprach_SubcarrierOffset;
+  uint16_t nprach_SubcarrierOffset;
+  ///number of subcarriers in a NPRACH resource allowed values (n12,n24,n36,n48)
+  uint16_t nprach_NumSubcarriers;
   /// where is the region that in NPRACH resource to indicate if this UE support MSG3 for multi-tone or not. from 0 - 1
-  uint8_t nprach_SubcarrierMSG3_RangeStart;
+  uint16_t nprach_SubcarrierMSG3_RangeStart;
   /// The max preamble transmission attempt for the CE level from 1 - 128
-  uint8_t maxNumPreambleAttemptCE;
+  uint16_t maxNumPreambleAttemptCE;
+  /// Number of NPRACH repetitions per attempt for each NPRACH resource
+  uint16_t numRepetitionsPerPreambleAttempt;
   /// The number of the repetition for DCI use in RAR/MSG3/MSG4 from 1 - 2048
-  uint8_t npdcch_NumRepetitions_RA;
+  uint16_t npdcch_NumRepetitions_RA;
   /// Starting subframe for NPDCCH Common searching space for (RAR/MSG3/MSG4)
-  uint8_t npdcch_StartSF_CSS_RA;
+  uint16_t npdcch_StartSF_CSS_RA;
   /// Fractional period offset of starting subframe for NPDCCH common search space
-  uint8_t npdcch_Offset_RA;
+  uint16_t npdcch_Offset_RA;
 } nprach_parameters_NB_t;
 
 typedef struct{
-  A_SEQUENCE_OF(struct NPRACH_Parameters_NB) list;
+  A_SEQUENCE_OF(nprach_parameters_NB_t) list;
 }NPRACH_List_NB_t;
 
 typedef long RSRP_Range_t;
@@ -81,7 +85,7 @@ typedef struct {
 /// NPRACH_ConfigSIB-NB from 36.331 RRC spec
 typedef struct {
   /// nprach_CP_Length_r13, for the CP length(unit us) only 66.7 and 266.7 is implemented
-  uint8_t nprach_CP_Length;
+  uint16_t nprach_CP_Length;
   /// The criterion for UEs to select a NPRACH resource. Up to 2 RSRP threshold values can be signalled.  \vr{[1..2]}
   struct rsrp_ThresholdsNPrachInfoList *rsrp_ThresholdsPrachInfoList;
   /// NPRACH Parameters List
@@ -91,20 +95,20 @@ typedef struct {
 /// NPDSCH-ConfigCommon from 36.331 RRC spec
 typedef struct {
   ///see TS 36.213 (16.2). \vr{[-60..50]}\n Provides the downlink reference-signal EPRE. The actual value in dBm.
-  int8_t nrs_Power;
+  uint16_t nrs_Power;
 } NPDSCH_CONFIG_COMMON;
 
 typedef struct{
   /// The base sequence of DMRS sequence in a cell for 3 tones transmission; see TS 36.211 [21, 10.1.4.1.2]. If absent, it is given by NB-IoT CellID mod 12. Value 12 is not used.
-  uint8_t threeTone_BaseSequence;
+  uint16_t threeTone_BaseSequence;
   /// Define 3 cyclic shifts for the 3-tone case, see TS 36.211 [21, 10.1.4.1.2].
-  uint8_t threeTone_CyclicShift;
+  uint16_t threeTone_CyclicShift;
   /// The base sequence of DMRS sequence in a cell for 6 tones transmission; see TS 36.211 [21, 10.1.4.1.2]. If absent, it is given by NB-IoT CellID mod 14. Value 14 is not used.
-  uint8_t sixTone_BaseSequence;
+  uint16_t sixTone_BaseSequence;
   /// Define 4 cyclic shifts for the 6-tone case, see TS 36.211 [21, 10.1.4.1.2].
-  uint8_t sixTone_CyclicShift;
+  uint16_t sixTone_CyclicShift;
   /// The base sequence of DMRS sequence in a cell for 12 tones transmission; see TS 36.211 [21, 10.1.4.1.2]. If absent, it is given by NB-IoT CellID mod 30. Value 30 is not used.
-  uint8_t twelveTone_BaseSequence;
+  uint16_t twelveTone_BaseSequence;
 
 }DMRS_CONFIG_t;
 
@@ -142,9 +146,9 @@ typedef struct{
 
 /* DL-GapConfig-NB-r13 */
 typedef struct {
-	uint8_t	 dl_GapThreshold;
-	uint8_t	 dl_GapPeriodicity;
-	uint8_t	 dl_GapDurationCoeff;
+	uint16_t	 dl_GapThreshold;
+	uint16_t	 dl_GapPeriodicity;
+	uint16_t	 dl_GapDurationCoeff;
 } DL_GapConfig_NB;
 
 typedef struct {
@@ -217,7 +221,8 @@ typedef struct {
   int                 eutra_band;
   uint32_t            dl_CarrierFreq;
   uint32_t            ul_CarrierFreq;
-  uint8_t             CE;// CE level to determine the NPRACH Configuration
+  // CE level to determine the NPRACH Configuration (one CE for each NPRACH config.)
+  uint8_t             CE;
 
 } NB_DL_FRAME_PARMS;
 

openair1/PHY/vars.h

@@ -150,4 +150,7 @@ int16_t unscrambling_lut[65536*16] __attribute__((aligned(32)));
 uint8_t scrambling_lut[65536*16] __attribute__((aligned(32)));
 
 
+
+
+
 #endif /*__PHY_VARS_H__ */

openair2/LAYER2/MAC/IF_Module_nb_iot.c

@@ -49,10 +49,45 @@ void Schedule_Response(Sched_Rsp_t Sched_INFO){
       //todo
 }
 
+
+void PHY_config_req(PHY_Config_t config_INFO){
+
+
+	if(config_INFO.get_MIB != 0){
+		NB_phy_config_mib_eNB(config_INFO.mod_id,
+							  config_INFO.CC_id,
+							  config_INFO.frequency_band_indicator,
+							  config_INFO.sch_config.physical_cell_id,
+							  config_INFO.subframe_config.dl_cyclic_prefix_type,
+							  config_INFO.rf_config.tx_antenna_ports,
+							  config_INFO.dl_CarrierFreq,
+							  config_INFO.ul_CarrierFreq);
+	}
+
+	//Common Configuration included in SIB2-NB
+	NB_phy_config_sib2_eNB(config_INFO.mod_id,
+						   config_INFO.CC_id,
+						   &config_INFO.nb_iot_config, // FIXME to be evaluated is should be passed a pointer
+						   &config_INFO.rf_config); // FIXME to be evaluated is should be passed a pointer
+
+	//Dedicated Configuration
+	if(config_INFO.phy_config_dedicated != NULL){
+		NB_phy_config_dedicated_eNB(config_INFO.mod_id,
+								config_INFO.CC_id,
+								config_INFO.rnti,
+								config_INFO.phy_config_dedicated //not defined by fapi specs
+								);
+	}
+
+
+}
+
+
 int IF_Module_init(IF_Module_t *if_inst){
   
   if_inst->UL_indication      = UL_indication;
   if_inst->Schedule_Response  = Schedule_Response;
+  if_inst->PHY_config_req 	  = PHY_config_req;
   
   return 0;
 }

openair2/PHY_INTERFACE/IF_Module_nb_iot.h

 
 /*This is the interface module between PHY
 *Provided the FAPI style interface structures for P7.
-*
-*
+*Provide the semi-FAPI style interface for P5 (configuration)
 *
 */
 
+#ifndef __IF_MODULE_NB_IoT__H__
+#define __IF_MODULE_NB_IoT__H__
+
 #include "openair1/PHY/LTE_TRANSPORT/defs_nb_iot.h"
+#include "PhysicalConfigDedicated-NB-r13.h"
 
 
 #define SCH_PAYLOAD_SIZE_MAX 4096
 #define BCCH_PAYLOAD_SIZE_MAX 128
 #define NUMBER_OF_UE_MAX 20
 
+
+// P5 FAPI-like configuration structures
+
+typedef struct{
+	uint16_t duplex_mode;
+	uint16_t pcfich_power_offset;
+	uint16_t p_b; //refers to DL power allocation (see TS 36.213 ch 5.2
+	uint16_t dl_cyclic_prefix_type;
+	uint16_t ul_cyclic_prefix_type;
+}subframe_config_t;
+
+typedef struct{
+	uint16_t dl_channel_bandwidth;
+	uint16_t ul_channel_bandwidth;
+	uint16_t reference_signal_power;
+	uint16_t tx_antenna_ports;
+	uint16_t rx_antenna_ports;
+}rf_config_t;
+
+typedef struct{
+	uint16_t primary_sinchronization_signal_epre_eprers;
+	uint16_t secondary_sinchronization_signal_epre_eprers;
+	uint16_t physical_cell_id; //aka Ncell_id
+}sch_config_t;
+
+typedef struct{
+
+	uint16_t operating_mode;
+	uint16_t anchor;
+	uint16_t prb_index;
+	uint16_t control_region_size;
+	uint16_t assumed_crs_aps;
+
+	//enable or disable configuration #0 (value: 0 = Disable, 1 = Enable)
+	uint16_t nprach_config_0_enabled;
+	//periodicity of NPRACH resource (value 0,1,2,3,4,5,6,7 correspond to 40,80,160,240,320,640,1280,2560ms)
+	uint16_t nprach_config_0_sf_periodicity;
+	//NPRACH resource starting time after period (value 0,1,2,3,4,5,6,7 correspond to 8,16,32,64,128,256,512,1024ms)
+	uint16_t nprach_config_0_start_time;
+	//Frequency location of an NPRACH resource within a PRB (value 0,1,2,3,4,5,6 correspond to 0,12,24,36,2,18,34
+	uint16_t nprach_config_0_subcarrier_offset;
+	//Number of Subcarriers in NPRACH resource (value 0,1,2,3 correspond to 12,24,36,48)
+	uint16_t nprach_config_0_number_of_subcarriers;
+	//Cyclic prefix length for NPRACH transmission (value: 0 = 66.7usec, 1 = 266.7usec)
+	uint16_t nprach_config_0_cp_length;
+	//Number of repetitions for NPRACH transmission (value: 0,1,2,3,4,5,6,7 correspond to 1,2,4,8,16,32,64,128)
+	uint16_t nprach_config_0_number_of_repetitions_per_attempts;
+
+	uint16_t nprach_config_1_enabled;
+	uint16_t nprach_config_1_sf_periodicity;
+	uint16_t nprach_config_1_start_time;
+	uint16_t nprach_config_1_subcarrier_offset;
+	uint16_t nprach_config_1_number_of_subcarriers;
+	uint16_t nprach_config_1_cp_length;
+	uint16_t nprach_config_1_number_of_repetitions_per_attempts;
+
+	uint16_t nprach_config_2_enabled;
+	uint16_t nprach_config_2_sf_periodicity;
+	uint16_t nprach_config_2_start_time;
+	uint16_t nprach_config_2_subcarrier_offset;
+	uint16_t nprach_config_2_number_of_subcarriers;
+	uint16_t nprach_config_2_cp_length;
+	uint16_t nprach_config_2_number_of_repetitions_per_attempts;
+
+	//4 bits
+	uint16_t three_tone_base_sequence;/*OPTIONAL*/
+	//2bits
+	uint16_t six_tone_base_sequence; /*OPTIONAL*/
+	//5 bits
+	uint16_t twelve_tone_base_sequence; /*OPTIONAL*/
+	uint16_t three_tone_cyclic_shift;
+	uint16_t six_tone_cyclic_shift;
+
+	//Enable/disable the DL gap
+	uint16_t dl_gap_config_enable;
+	//Threshold on the maximum number of repetitions configured for NPDCCH before application of DL transmission gap config.
+	//value 0,1,2,3 correspond to 32,64,128,256
+	uint16_t dl_gap_threshold;
+	//Periodicity of a DL tranmission gap (value 0,1,2,3 correspond to 64,128,256,512sf)
+	uint16_t dl_gap_periodicity;
+	//Coefficent to calculate the gap duration of a DL transmission (value 0,1,2,3 correspond to oneEight, oneFourth, threeEight, oneHalf)
+	uint16_t dl_gap_duration_coefficent;
+
+}nb_iot_config_t;
+
+typedef struct{
+	uint16_t data_report_mode;
+	uint16_t sfn_sf;
+}l23_config_t;
+
+typedef struct{
+
+	/*OAI config. parameters*/
+	module_id_t mod_id;
+	int CC_id;
+	int rnti;
+	int get_MIB; //should be different from 0 only when the mib!= null (NB_rrc_mac_config_req_eNB)
+
+	//In FAPI specs --> is inside the nb_iot_rssi_request (P4 Network Monitor Mode procedure)
+	//In OAI is called eutra_band
+	uint8_t frequency_band_indicator; //parameter carried by the SIB1-NB, is and index of the Table 5.5-1 TS 36.101
+
+	//In 3GPP specs (TS 36.101 Table 5.7.3-1 and ch 5.7.3F) see also SIB2-NB freqInfo.ul-carrierFreq
+	//this parameters should be evaluated based of the EUTRA Absolute Radio Frequency Channel Number (EARFCN)
+	//in FAPI this value is given inside th BROADCAST DETECT request (P4 Network Monito Mode procedure)
+	//in OAI we set the dl_CarrierFrequenci at configuration time (see COMMON/rrc_messages_types.h)
+	//then adding an offset for the ul_CarrierFreq ( see RU-RAU split approach - init_SI)
+	uint32_t dl_CarrierFreq;
+	uint32_t ul_CarrierFreq;
+
+
+	/*FAPI style config. parameters*/
+	subframe_config_t subframe_config;
+	rf_config_t rf_config;
+	sch_config_t sch_config;
+	nb_iot_config_t nb_iot_config;
+	l23_config_t l23_config;
+
+	/*Dedicated configuration --> not supported by FAPI?*/
+	PhysicalConfigDedicated_NB_r13_t *phy_config_dedicated;
+
+
+}PHY_Config_t;
+
+
+
 // uplink subframe P7
 
 typedef struct{
@@ -192,6 +321,7 @@ typedef struct{
 typedef struct IF_Module_s{
 	void (*UL_indication)(UL_IND_t UL_INFO);
 	void (*Schedule_Response)(Sched_Rsp_t Sched_INFO);
+	void (*PHY_config_req)(PHY_Config_t config_INFO);
 }IF_Module_t;
 
 /*Initial */
@@ -206,5 +336,10 @@ void UL_indication(UL_IND_t UL_INFO);
 /*Interface for Downlink, transmitting the DLSCH SDU, DCI SDU*/
 void Schedule_Response(Sched_Rsp_t Sched_INFO);
 
-/*Interface for Configuration*/
-//void Config_Request();
+/*Interface for PHY Configuration
+ * Trigger the phy_config_xxx functions using parameters from the shared PHY_Config structure
+ * */
+void PHY_config_req(PHY_Config_t config_INFO);
+
+
+#endif