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adding support for bandwidths 40 and 80 MHz to usrp_lib and rru

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This commit is contained in:
Florian Kaltenberger
2018-04-09 08:07:52 -07:00
parent dc30b30bf7
commit a413f12d9c
4 changed files with 93 additions and 36 deletions
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targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
+29
View File
@@ -1016,6 +1016,30 @@ extern "C" {
LOG_I(PHY,"%s() sample_rate:%u\n", __FUNCTION__, (int)openair0_cfg[0].sample_rate); LOG_I(PHY,"%s() sample_rate:%u\n", __FUNCTION__, (int)openair0_cfg[0].sample_rate);
switch ((int)openair0_cfg[0].sample_rate) { switch ((int)openair0_cfg[0].sample_rate) {
case 122880000:
// from usrp_time_offset
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 15; //to be checked
openair0_cfg[0].tx_bw = 80e6;
openair0_cfg[0].rx_bw = 80e6;
break;
case 92160000:
openair0_cfg[0].tx_sample_advance = 15; //to be checked
openair0_cfg[0].tx_bw = 80e6;
openair0_cfg[0].rx_bw = 80e6;
break;
case 61440000:
// from usrp_time_offset
//openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 15;
openair0_cfg[0].tx_bw = 40e6;
openair0_cfg[0].rx_bw = 40e6;
break;
case 46080000:
openair0_cfg[0].tx_sample_advance = 15;
openair0_cfg[0].tx_bw = 40e6;
openair0_cfg[0].rx_bw = 40e6;
break;
case 30720000: case 30720000:
// from usrp_time_offset // from usrp_time_offset
//openair0_cfg[0].samples_per_packet = 2048; //openair0_cfg[0].samples_per_packet = 2048;
@@ -1023,6 +1047,11 @@ extern "C" {
openair0_cfg[0].tx_bw = 20e6; openair0_cfg[0].tx_bw = 20e6;
openair0_cfg[0].rx_bw = 20e6; openair0_cfg[0].rx_bw = 20e6;
break; break;
case 23040000:
openair0_cfg[0].tx_sample_advance = 15;
openair0_cfg[0].tx_bw = 20e6;
openair0_cfg[0].rx_bw = 20e6;
break;
case 15360000: case 15360000:
//openair0_cfg[0].samples_per_packet = 2048; //openair0_cfg[0].samples_per_packet = 2048;
openair0_cfg[0].tx_sample_advance = 45; openair0_cfg[0].tx_sample_advance = 45;
targets/RT/USER/lte-softmodem.c
+3 -3
View File
@@ -627,7 +627,7 @@ void set_default_frame_parms(LTE_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs]) {
} }
/*
void init_openair0(void) { void init_openair0(void) {
int card; int card;
@@ -710,9 +710,9 @@ void init_openair0(void) {
openair0_cfg[card].tx_freq[i], openair0_cfg[card].tx_freq[i],
openair0_cfg[card].rx_freq[i]); openair0_cfg[card].rx_freq[i]);
} }
} /* for loop on cards */ } // for loop on cards
} }
*/
void wait_RUs(void) { void wait_RUs(void) {
targets/RT/USER/nr-ru.c
+58 -30
View File
@@ -1168,38 +1168,66 @@ void fill_rf_config(RU_t *ru, char *rf_config_file) {
nfapi_config_request_t *gNB_config = ru->gNB_list[0]->gNB_config; //tmp index nfapi_config_request_t *gNB_config = ru->gNB_list[0]->gNB_config; //tmp index
openair0_config_t *cfg = &ru->openair0_cfg; openair0_config_t *cfg = &ru->openair0_cfg;
int N_RB = gNB_config->rf_config.dl_channel_bandwidth.value; int N_RB = gNB_config->rf_config.dl_channel_bandwidth.value;
int mu = gNB_config->subframe_config.numerology_index_mu.value;
if(N_RB == 100) { if (mu == NR_MU_0) { //or if LTE
if (fp->threequarter_fs) { if(N_RB == 100) {
cfg->sample_rate=23.04e6; if (fp->threequarter_fs) {
cfg->samples_per_frame = 230400; cfg->sample_rate=23.04e6;
cfg->tx_bw = 10e6; cfg->samples_per_frame = 230400;
cfg->rx_bw = 10e6; cfg->tx_bw = 10e6;
} cfg->rx_bw = 10e6;
else { }
cfg->sample_rate=30.72e6; else {
cfg->samples_per_frame = 307200; cfg->sample_rate=30.72e6;
cfg->tx_bw = 10e6; cfg->samples_per_frame = 307200;
cfg->rx_bw = 10e6; cfg->tx_bw = 10e6;
} cfg->rx_bw = 10e6;
} else if(N_RB == 50) { }
cfg->sample_rate=15.36e6; } else if(N_RB == 50) {
cfg->samples_per_frame = 153600; cfg->sample_rate=15.36e6;
cfg->tx_bw = 5e6; cfg->samples_per_frame = 153600;
cfg->rx_bw = 5e6; cfg->tx_bw = 5e6;
} else if (N_RB == 25) { cfg->rx_bw = 5e6;
cfg->sample_rate=7.68e6; } else if (N_RB == 25) {
cfg->samples_per_frame = 76800; cfg->sample_rate=7.68e6;
cfg->tx_bw = 2.5e6; cfg->samples_per_frame = 76800;
cfg->rx_bw = 2.5e6; cfg->tx_bw = 2.5e6;
} else if (N_RB == 6) { cfg->rx_bw = 2.5e6;
cfg->sample_rate=1.92e6; } else if (N_RB == 6) {
cfg->samples_per_frame = 19200; cfg->sample_rate=1.92e6;
cfg->tx_bw = 1.5e6; cfg->samples_per_frame = 19200;
cfg->rx_bw = 1.5e6; cfg->tx_bw = 1.5e6;
cfg->rx_bw = 1.5e6;
}
else AssertFatal(1==0,"Unknown N_RB %d\n",N_RB);
} }
else AssertFatal(1==0,"Unknown N_RB %d\n",N_RB); else if (mu == NR_MU_1) {
if(N_RB == 217) {
if (fp->threequarter_fs) {
cfg->sample_rate=92.16e6;
cfg->samples_per_frame = 921600;
cfg->tx_bw = 40e6;
cfg->rx_bw = 40e6;
}
else {
cfg->sample_rate=122.88e6;
cfg->samples_per_frame = 1228800;
cfg->tx_bw = 40e6;
cfg->rx_bw = 40e6;
}
} else if(N_RB == 106) {
cfg->sample_rate=61.44e6;
cfg->samples_per_frame = 614400;
cfg->tx_bw = 20e6;
cfg->rx_bw = 20e6;
} else {
AssertFatal(0==1,"N_RB %d not yet supported for numerology %d\n",N_RB,mu);
}
} else {
AssertFatal(0 == 1,"Numerology %d not supported for the moment\n",mu);
}
if (gNB_config->subframe_config.duplex_mode.value==TDD) if (gNB_config->subframe_config.duplex_mode.value==TDD)
cfg->duplex_mode = duplex_mode_TDD; cfg->duplex_mode = duplex_mode_TDD;
else //FDD else //FDD
targets/RT/USER/nr-softmodem.c
+3 -3
View File
@@ -642,7 +642,7 @@ void set_default_frame_parms(nfapi_config_request_t *config[MAX_NUM_CCs], NR_DL_
} }
/*
void init_openair0(void) { void init_openair0(void) {
int card; int card;
@@ -725,9 +725,9 @@ void init_openair0(void) {
openair0_cfg[card].tx_freq[i], openair0_cfg[card].tx_freq[i],
openair0_cfg[card].rx_freq[i]); openair0_cfg[card].rx_freq[i]);
} }
} /* for loop on cards */ } // for loop on cards
} }
*/
void wait_RUs(void) { void wait_RUs(void) {