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Made channel estimation techniques configurable

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This commit is contained in:
Sakthivel Velumani
2022-06-08 21:32:07 +05:30
parent 0960aa3d00
commit 93e6bd26da
16 changed files with 190 additions and 56 deletions
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executables/nr-gnb.c
+2 -1
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@@ -600,7 +600,8 @@ void init_gNB(int single_thread_flag,int wait_for_sync) {
gNB->UL_INFO.cqi_ind.cqi_raw_pdu_list = gNB->cqi_raw_pdu_list;*/
gNB->prach_energy_counter = 0;
gNB->prb_interpolation = get_softmodem_params()->prb_interpolation;
gNB->chest_time = get_softmodem_params()->chest_time;
gNB->chest_freq = get_softmodem_params()->chest_freq;
}
executables/nr-uesoftmodem.c
+2 -2
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@@ -317,8 +317,8 @@ void set_options(int CC_id, PHY_VARS_NR_UE *UE){
UE->rf_map.card = card_offset;
UE->rf_map.chain = CC_id + chain_offset;
LOG_I(PHY,"Set UE mode %d, UE_fo_compensation %d, UE_scan_carrier %d, UE_no_timing_correction %d \n, do_prb_interpolation %d\n",
UE->mode, UE->UE_fo_compensation, UE->UE_scan_carrier, UE->no_timing_correction, UE->prb_interpolation);
LOG_I(PHY,"Set UE mode %d, UE_fo_compensation %d, UE_scan_carrier %d, UE_no_timing_correction %d \n, chest-freq %d\n",
UE->mode, UE->UE_fo_compensation, UE->UE_scan_carrier, UE->no_timing_correction, UE->chest_freq);
// Set FP variables
executables/nr-uesoftmodem.h
+2 -1
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@@ -69,7 +69,8 @@
{"T" , CONFIG_HLP_TDD, PARAMFLAG_BOOL, iptr:&tddflag, defintval:0, TYPE_INT, 0}, \
{"if_freq" , CONFIG_HLP_IF_FREQ, 0, u64ptr:&(UE->if_freq), defuintval:0, TYPE_UINT64,0}, \
{"if_freq_off" , CONFIG_HLP_IF_FREQ_OFF, 0, iptr:&(UE->if_freq_off), defuintval:0, TYPE_INT, 0}, \
{"do-prb-interpolation", CONFIG_HLP_PRBINTER, PARAMFLAG_BOOL, iptr:&(UE->prb_interpolation), defintval:0, TYPE_INT, 0}, \
{"chest-freq", CONFIG_HLP_CHESTFREQ, 0, iptr:&(UE->chest_freq), defintval:0, TYPE_INT, 0}, \
{"chest-time", CONFIG_HLP_CHESTTIME, 0, iptr:&(UE->chest_time), defintval:0, TYPE_INT, 0}, \
{"ue-timing-correction-disable", CONFIG_HLP_DISABLETIMECORR, PARAMFLAG_BOOL, iptr:&(UE->no_timing_correction), defintval:0, TYPE_INT, 0}, \
}
executables/softmodem-common.h
+11 -4
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@@ -72,7 +72,8 @@ extern "C"
#define CONFIG_HLP_DLMCS "Set the maximum downlink MCS\n"
#define CONFIG_HLP_STMON "Enable processing timing measurement of lte softmodem on per subframe basis \n"
#define CONFIG_HLP_256QAM "Use the 256 QAM mcs table for PDSCH\n"
#define CONFIG_HLP_PRBINTER "Do PRB based averaging of channel estimates. Frequency domain linear interpolation by default\n"
#define CONFIG_HLP_CHESTFREQ "Set channel estimation type in frequency domain. 0-Linear interpolation (default). 1-PRB based averaging of channel estimates in frequency. \n"
#define CONFIG_HLP_CHESTTIME "Set channel estimation type in time domain. 0-Symbols take estimates of the last preceding DMRS symbol (default). 1-Symbol based averaging of channel estimates in time. \n"
#define CONFIG_HLP_NONSTOP "Go back to frame sync mode after 100 consecutive PBCH failures\n"
//#define CONFIG_HLP_NUMUES "Set the number of UEs for the emulation"
@@ -122,7 +123,9 @@ extern "C"
#define TUNE_OFFSET softmodem_params.tune_offset
#define SEND_DMRSSYNC softmodem_params.send_dmrs_sync
#define USIM_TEST softmodem_params.usim_test
#define PRB_INTERPOLATION softmodem_params.prb_interpolation
#define USE_256QAM_TABLE softmodem_params.use_256qam_table
#define CHEST_FREQ softmodem_params.chest_freq
#define CHEST_TIME softmodem_params.chest_time
#define NFAPI softmodem_params.nfapi
#define NSA softmodem_params.nsa
#define NODE_NUMBER softmodem_params.node_number
@@ -160,10 +163,12 @@ extern int usrp_tx_thread;
{"rfsim", CONFIG_HLP_RFSIM, PARAMFLAG_BOOL, uptr:&rfsim, defintval:0, TYPE_INT, 0}, \
{"nokrnmod", CONFIG_HLP_NOKRNMOD, PARAMFLAG_BOOL, uptr:&nokrnmod, defintval:0, TYPE_INT, 0}, \
{"nbiot-disable", CONFIG_HLP_DISABLNBIOT, PARAMFLAG_BOOL, uptr:&nonbiot, defuintval:0, TYPE_INT, 0}, \
{"use-256qam-table", CONFIG_HLP_256QAM, PARAMFLAG_BOOL, iptr:&USE_256QAM_TABLE, defintval:0, TYPE_INT, 0}, \
{"chest-freq", CONFIG_HLP_CHESTFREQ, 0, iptr:&CHEST_FREQ, defintval:0, TYPE_INT, 0}, \
{"chest-time", CONFIG_HLP_CHESTTIME, 0, iptr:&CHEST_TIME, defintval:0, TYPE_INT, 0}, \
{"nsa", CONFIG_HLP_NSA, PARAMFLAG_BOOL, iptr:&NSA, defintval:0, TYPE_INT, 0}, \
{"node-number", NULL, 0, u16ptr:&NODE_NUMBER, defuintval:0, TYPE_UINT16, 0}, \
{"usrp-tx-thread-config", CONFIG_HLP_USRP_THREAD, 0, iptr:&usrp_tx_thread, defstrval:0, TYPE_INT, 0}, \
{"do-prb-interpolation", CONFIG_HLP_PRBINTER, PARAMFLAG_BOOL, iptr:&PRB_INTERPOLATION, defintval:0, TYPE_INT, 0}, \
{"nfapi", CONFIG_HLP_NFAPI, 0, u8ptr:&nfapi_mode, defintval:0, TYPE_UINT8, 0}, \
{"non-stop", CONFIG_HLP_NONSTOP, PARAMFLAG_BOOL, iptr:&NON_STOP, defintval:0, TYPE_INT, 0}, \
{"emulate-l1", CONFIG_L1_EMULATOR, PARAMFLAG_BOOL, iptr:&EMULATE_L1, defintval:0, TYPE_INT, 0}, \
@@ -251,7 +256,9 @@ typedef struct {
double tune_offset;
int hw_timing_advance;
uint32_t send_dmrs_sync;
int prb_interpolation;
int use_256qam_table;
int chest_time;
int chest_freq;
uint8_t nfapi;
int nsa;
uint16_t node_number;