maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

commiting a patch on behalf of Raymond that fixes the some timing issues in the HARQ process

Browse Source 
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7800 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
knopp
2015-09-04 10:28:52 +00:00
parent 539f8785ef
commit 1ad336faa8
25 changed files with 454 additions and 228 deletions
Download Patch File Download Diff File Expand all files Collapse all files
targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
+45 -5
View File
@@ -46,7 +46,13 @@
#include <cmath>
#include "common_lib.h"
#ifdef __SSE4_1__
# include <smmintrin.h>
#endif
#ifdef __AVX2__
# include <immintrin.h>
#endif
typedef struct
{
@@ -149,18 +155,52 @@ static int trx_usrp_write(openair0_device *device, openair0_timestamp timestamp,
static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp, void **buff, int nsamps, int cc)
{
usrp_state_t *s = (usrp_state_t*)device->priv;
usrp_state_t *s = (usrp_state_t*)device->priv;
int samples_received=0,i,j;
int nsamps2; // aligned to upper 32 or 16 byte boundary
#if defined(__x86_64) || defined(__i386__)
#ifdef __AVX2__
__m256i buff_tmp[2][nsamps>>3];
nsamps2 = (nsamps+7)>>3;
#else
__m128i buff_tmp[2][nsamps>>2];
nsamps2 = (nsamps+3)>>2;
#endif
#elif defined(__arm__)
int16x8_t buff_tmp[2][nsamps>>2];
nsamps2 = (nsamps+3)>>2;
#endif
int samples_received=0,i;
if (cc>1) {
// receive multiple channels (e.g. RF A and RF B)
std::vector<void *> buff_ptrs;
for (int i=0;i<cc;i++) buff_ptrs.push_back(buff[i]);
for (int i=0;i<cc;i++) buff_ptrs.push_back(buff_tmp[i]);
samples_received = s->rx_stream->recv(buff_ptrs, nsamps, s->rx_md);
} else {
// receive a single channel (e.g. from connector RF A)
samples_received = s->rx_stream->recv(buff[0], nsamps, s->rx_md);
samples_received = s->rx_stream->recv(buff_tmp[0], nsamps, s->rx_md);
}
// bring RX data into 12 LSBs for softmodem RX
for (int i=0;i<cc;i++) {
for (int j=0; j<nsamps2; j++) {
#if defined(__x86_64__) || defined(__i386__)
#ifdef __AVX2__
((__m256i *)buff[i])[j] = _mm256_srai_epi16(buff_tmp[i][j],4);
#else
((__m128i *)buff[i])[j] = _mm_srai_epi16(buff_tmp[i][j],4);
#endif
#elif defined(__arm__)
((int16x8_t*)buff[i])[j] = vshrq_n_s16(buff_tmp[i][j],4);
#endif
}
}
if (samples_received < nsamps) {
targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.50PRB.usrpb210.conf
+6 -6
View File
@@ -17,7 +17,7 @@ eNBs =
mobile_country_code = "208";
mobile_network_code = "92";
mobile_network_code = "93";
////////// Physical parameters:
@@ -36,7 +36,7 @@ eNBs =
nb_antennas_tx = 1;
nb_antennas_rx = 1;
tx_gain = 90;
rx_gain = 120;
rx_gain = 118;
prach_root = 0;
prach_config_index = 0;
prach_high_speed = "DISABLE";
@@ -46,7 +46,7 @@ eNBs =
pucch_nRB_CQI = 1;
pucch_nCS_AN = 0;
pucch_n1_AN = 32;
pdsch_referenceSignalPower = -26;
pdsch_referenceSignalPower = -29;
pdsch_p_b = 0;
pusch_n_SB = 1;
pusch_enable64QAM = "DISABLE";
@@ -130,7 +130,7 @@ eNBs =
};
////////// MME parameters:
mme_ip_address = ( { ipv4 = "192.168.13.11";
mme_ip_address = ( { ipv4 = "192.168.12.11";
ipv6 = "192:168:30::17";
active = "yes";
preference = "ipv4";
@@ -140,10 +140,10 @@ eNBs =
NETWORK_INTERFACES :
{
ENB_INTERFACE_NAME_FOR_S1_MME = "eth0";
ENB_IPV4_ADDRESS_FOR_S1_MME = "192.168.13.10/24";
ENB_IPV4_ADDRESS_FOR_S1_MME = "192.168.12.213/24";
ENB_INTERFACE_NAME_FOR_S1U = "eth0";
ENB_IPV4_ADDRESS_FOR_S1U = "192.168.13.10/24";
ENB_IPV4_ADDRESS_FOR_S1U = "192.168.12.213/24";
ENB_PORT_FOR_S1U = 2152; # Spec 2152
};
targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.usrpb210.conf
+5 -5
View File
@@ -46,7 +46,7 @@ eNBs =
pucch_nRB_CQI = 1;
pucch_nCS_AN = 0;
pucch_n1_AN = 32;
pdsch_referenceSignalPower = -26;
pdsch_referenceSignalPower = -29;
pdsch_p_b = 0;
pusch_n_SB = 1;
pusch_enable64QAM = "DISABLE";
@@ -66,7 +66,7 @@ eNBs =
pusch_p0_Nominal = -90;
pusch_alpha = "AL1";
pucch_p0_Nominal = -108;
pucch_p0_Nominal = -96;
msg3_delta_Preamble = 6;
pucch_deltaF_Format1 = "deltaF2";
pucch_deltaF_Format1b = "deltaF3";
@@ -133,7 +133,7 @@ eNBs =
////////// MME parameters:
mme_ip_address = ( { ipv4 = "192.168.12.171";
mme_ip_address = ( { ipv4 = "192.168.12.11";
ipv6 = "192:168:30::17";
active = "yes";
preference = "ipv4";
@@ -143,10 +143,10 @@ eNBs =
NETWORK_INTERFACES :
{
ENB_INTERFACE_NAME_FOR_S1_MME = "eth0";
ENB_IPV4_ADDRESS_FOR_S1_MME = "192.168.12.213/24";
ENB_IPV4_ADDRESS_FOR_S1_MME = "192.168.12.216/24";
ENB_INTERFACE_NAME_FOR_S1U = "eth0";
ENB_IPV4_ADDRESS_FOR_S1U = "192.168.12.213/24";
ENB_IPV4_ADDRESS_FOR_S1U = "192.168.12.216/24";
ENB_PORT_FOR_S1U = 2152; # Spec 2152
};
targets/RT/USER/lte-softmodem.c
+5 -5
View File
@@ -953,7 +953,7 @@ void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB)
#elif OAI_BLADRF
((short*)dummy_tx_b)[2*i];
#else
((short*)dummy_tx_b)[2*i]<<5;
((short*)dummy_tx_b)[2*i]<<4;
#endif
((short*)&phy_vars_eNB->lte_eNB_common_vars.txdata[0][aa][tx_offset])[1]=
#ifdef EXMIMO
@@ -961,7 +961,7 @@ void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB)
#elif OAI_BLADRF
((short*)dummy_tx_b)[2*i+1];
#else
((short*)dummy_tx_b)[2*i+1]<<5;
((short*)dummy_tx_b)[2*i+1]<<4;
#endif
}
// if S-subframe switch to RX in second subframe
@@ -2875,7 +2875,7 @@ int main( int argc, char **argv )
openair0_cfg[card].samples_per_packet = 1024;
#ifdef OAI_USRP
openair0_cfg[card].tx_forward_nsamps = 70;
openair0_cfg[card].tx_delay = 6;
openair0_cfg[card].tx_delay = 5;
#elif OAI_BLADERF
openair0_cfg[card].tx_forward_nsamps = 0;
openair0_cfg[card].tx_delay = 8;
@@ -3577,7 +3577,7 @@ int setup_eNB_buffers(PHY_VARS_eNB **phy_vars_eNB, openair0_config_t *openair0_c
for (i=0; i<frame_parms->nb_antennas_rx; i++) {
free(phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i]);
rxdata[i] = (int32_t*)(16 + malloc16(16+openair0_cfg[rf_map[CC_id].card].samples_per_frame*sizeof(int32_t))); // FIXME broken memory allocation
rxdata[i] = (int32_t*)(32 + malloc16(32+openair0_cfg[rf_map[CC_id].card].samples_per_frame*sizeof(int32_t))); // FIXME broken memory allocation
phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i] = rxdata[i]-N_TA_offset; // N_TA offset for TDD FIXME! N_TA_offset > 16 => access of unallocated memory
memset(rxdata[i], 0, openair0_cfg[rf_map[CC_id].card].samples_per_frame*sizeof(int32_t));
printf("rxdata[%d] @ %p (%p) (N_TA_OFFSET %d)\n", i, phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i],rxdata[i],N_TA_offset);
@@ -3586,7 +3586,7 @@ int setup_eNB_buffers(PHY_VARS_eNB **phy_vars_eNB, openair0_config_t *openair0_c
for (i=0; i<frame_parms->nb_antennas_tx; i++) {
free(phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i]);
txdata[i] = (int32_t*)(16 + malloc16(16 + openair0_cfg[rf_map[CC_id].card].samples_per_frame*sizeof(int32_t))); // FIXME broken memory allocation
txdata[i] = (int32_t*)(32 + malloc16(32 + openair0_cfg[rf_map[CC_id].card].samples_per_frame*sizeof(int32_t))); // FIXME broken memory allocation
phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i] = txdata[i];
memset(txdata[i],0, openair0_cfg[rf_map[CC_id].card].samples_per_frame*sizeof(int32_t));
printf("txdata[%d] @ %p\n", i, phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i]);
targets/RT/USER/lte-ue.c
+13 -3
View File
@@ -734,6 +734,7 @@ static void *UE_thread_tx(void *arg)
* \returns a pointer to an int. The storage is not on the heap and must not be freed.
*/
/*
#ifdef OAI_USRP
void rescale(int16_t *input,int length)
{
@@ -753,6 +754,7 @@ void rescale(int16_t *input,int length)
}
}
#endif
*/
static void *UE_thread_rx(void *arg)
{
@@ -840,6 +842,7 @@ static void *UE_thread_rx(void *arg)
for (i=0; i<2; i++) {
if ((subframe_select( &UE->lte_frame_parms, UE->slot_rx>>1 ) == SF_DL) ||
(UE->lte_frame_parms.frame_type == FDD)) {
/*
#ifdef OAI_USRP
// this does the adjustments of RX signal amplitude to bring into least 12 significant bits
int slot_length = UE->lte_frame_parms.samples_per_tti>>1;
@@ -874,11 +877,13 @@ static void *UE_thread_rx(void *arg)
}
}
#endif
*/
phy_procedures_UE_RX( UE, 0, 0, UE->mode, no_relay, NULL );
}
if ((subframe_select( &UE->lte_frame_parms, UE->slot_rx>>1 ) == SF_S) &&
((UE->slot_rx&1) == 0)) {
/*
#ifdef OAI_USRP
// this does the adjustments of RX signal amplitude to bring into least 12 significant bits
int slot_length = UE->lte_frame_parms.samples_per_tti>>1;
@@ -912,6 +917,7 @@ static void *UE_thread_rx(void *arg)
}
}
#endif
*/
phy_procedures_UE_RX( UE, 0, 0, UE->mode, no_relay, NULL );
}
@@ -997,7 +1003,11 @@ void *UE_thread(void *arg)
PHY_VARS_UE *UE = PHY_vars_UE_g[0][0];
int spp = openair0_cfg[0].samples_per_packet;
int slot=1, frame=0, hw_subframe=0, rxpos=0, txpos=spp*openair0_cfg[0].tx_delay;
int dummy[2][spp];
#ifdef __AVX2__
int dummy[2][spp] __attribute__((aligned(32)));
#else
int dummy[2][spp] __attribute__((aligned(16)));
#endif
int dummy_dump = 0;
int tx_enabled = 0;
int start_rx_stream = 0;
@@ -1084,8 +1094,8 @@ void *UE_thread(void *arg)
for (int i=0; i<UE->lte_frame_parms.nb_antennas_rx; i++)
rxp[i] = (dummy_dump==0) ? (void*)&rxdata[i][rxpos] : (void*)dummy[i];
/* if (dummy_dump == 0)
/*
if (dummy_dump == 0)
printf("writing %d samples to %d (first_rx %d)\n",spp - ((first_rx==1) ? rx_off_diff : 0),rxpos,first_rx);
*/
if (UE->mode != loop_through_memory) {