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Commit 74d07a70 authored by Cedric Roux's avatar Cedric Roux
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Merge branch 'enhancement-192-beamforming' into develop_integration_w03 

Conflicts:
	openair1/PHY/INIT/lte_init.c
	openair1/PHY/MODULATION/beamforming.c
	openair1/PHY/defs.h
	targets/RT/USER/lte-enb.c
parents e6f3c9b8 e0c74791
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Showing with 175 additions and 26 deletions
openair1/PHY/INIT/lte_init.c
View file @ 74d07a70
......@@ -684,6 +684,7 @@ void phy_config_dedicated_eNB(uint8_t Mod_id,
break;
case AntennaInfoDedicated__transmissionMode_tm7:
lte_gold_ue_spec_port5(eNB->lte_gold_uespec_port5_table[0],eNB->frame_parms.Nid_cell,rnti);
eNB->do_precoding = 1;
eNB->transmission_mode[UE_id] = 7;
break;
default:
......@@ -1327,7 +1328,7 @@ int phy_init_lte_eNB(PHY_VARS_eNB *eNB,
#endif
}
for (i=0; i<14; i++) { // 14 is the total number of antenna ports
for (i=0; i<NB_ANTENNA_PORTS_ENB; i++) {
common_vars->beam_weights[eNB_id][i] = (int32_t **)malloc16_clear(fp->nb_antennas_tx*sizeof(int32_t*));
for (j=0; j<fp->nb_antennas_tx; j++) {
common_vars->beam_weights[eNB_id][i][j] = (int32_t *)malloc16_clear(fp->ofdm_symbol_size*sizeof(int32_t));
......
openair1/PHY/LTE_ESTIMATION/lte_ul_channel_estimation.c
View file @ 74d07a70
......@@ -720,10 +720,11 @@ int32_t lte_srs_channel_estimation(LTE_DL_FRAME_PARMS *frame_parms,
//write_output("eNB_srs.m","srs_eNB",common_vars->srs,(frame_parms->ofdm_symbol_size),1,1);
mult_cpx_conj_vector((int16_t*) &common_vars->rxdataF[eNB_id][aa][2*frame_parms->ofdm_symbol_size*symbol],
(int16_t*) srs_vars->srs,
(int16_t*) srs_vars->srs_ch_estimates[eNB_id][aa],
frame_parms->ofdm_symbol_size,
15);
(int16_t*) srs_vars->srs,
(int16_t*) srs_vars->srs_ch_estimates[eNB_id][aa],
frame_parms->ofdm_symbol_size,
15,
0);
//msg("SRS channel estimation cmult out\n");
#ifdef USER_MODE
......
openair1/PHY/MODULATION/beamforming.c
View file @ 74d07a70
......@@ -63,6 +63,9 @@ int beam_precoding(int32_t **txdataF,
// clear txdata_BF[aa][re] for each call of ue_spec_beamforming
memset(txdataF_BF[aa],0,sizeof(int32_t)*(frame_parms->ofdm_symbol_size));
#if 0
/* TODO: to be resolved */
<<<<<<< HEAD
for (p=0; p<14; p++) {
//if (p==0 || p==1 || p==5 || p>7)
// mult_cpx_conj_vector((int16_t*)txdataF[p], (int16_t*)beam_weights[p][aa], (int16_t*)txdataF_BF[aa], frame_parms->ofdm_symbol_size, 15);
......@@ -86,6 +89,34 @@ int beam_precoding(int32_t **txdataF,
((int16_t*)&txdataF_BF[aa][re])[1]);
*/
}
=======
for (p=0; p<NB_ANTENNA_PORTS_ENB; p++) {
if (p==0 || p==1 || p==5) {
multadd_cpx_vector((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size],(int16_t*)beam_weights[p][aa], (int16_t*)txdataF_BF[aa], 0, frame_parms->ofdm_symbol_size, 15);
//mult_cpx_conj_vector((int16_t*)beam_weights[p][aa], (int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size], (int16_t*)txdataF_BF[aa], frame_parms->ofdm_symbol_size, 15, 1);
// if check version
/*for (re=0;re<frame_parms->ofdm_symbol_size;re++) {
if (txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re]!=0) {
((int16_t*)&txdataF_BF[aa][re])[0] += (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[0]*((int16_t*)&beam_weights[p][aa][re])[0])>>15);
((int16_t*)&txdataF_BF[aa][re])[0] -= (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[1]*((int16_t*)&beam_weights[p][aa][re])[1])>>15);
((int16_t*)&txdataF_BF[aa][re])[1] += (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[0]*((int16_t*)&beam_weights[p][aa][re])[1])>>15);
((int16_t*)&txdataF_BF[aa][re])[1] += (int16_t)((((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[1]*((int16_t*)&beam_weights[p][aa][re])[0])>>15);
printf("beamforming.c:txdataF[%d][%d]=%d+j%d, beam_weights[%d][%d][%d]=%d+j%d,txdata_BF[%d][%d]=%d+j%d\n",
p,slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re,
((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[0],
((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size+re])[1],
p,aa,re,
((int16_t*)&beam_weights[p][aa][re])[0],((int16_t*)&beam_weights[p][aa][re])[1],
aa,re,
((int16_t*)&txdataF_BF[aa][re])[0],
((int16_t*)&txdataF_BF[aa][re])[1]);
}
}*/
>>>>>>> enhancement-192-beamforming
#endif
}
}
return 0;
......
openair1/PHY/TOOLS/cmult_vv.c
View file @ 74d07a70
......@@ -27,6 +27,7 @@
#if defined(__x86_64__) || defined(__i386__)
int16_t conjug[8]__attribute__((aligned(16))) = {-1,1,-1,1,-1,1,-1,1} ;
int16_t conjug2[8]__attribute__((aligned(16))) = {1,-1,1,-1,1,-1,1,-1} ;
#define simd_q15_t __m128i
#define simdshort_q15_t __m64
#elif defined(__arm__)
......@@ -41,7 +42,8 @@ int mult_cpx_conj_vector(int16_t *x1,
int16_t *x2,
int16_t *y,
uint32_t N,
int output_shift)
int output_shift,
int madd)
{
// Multiply elementwise the complex conjugate of x1 with x2.
// x1 - input 1 in the format |Re0 Im0 Re1 Im1|,......,|Re(N-2) Im(N-2) Re(N-1) Im(N-1)|
......@@ -55,6 +57,8 @@ int mult_cpx_conj_vector(int16_t *x1,
// N - the size f the vectors (this function does N cpx mpy. WARNING: N>=4;
//
// output_shift - shift to be applied to generate output
//
// madd - add the output to y
uint32_t i; // loop counter
......@@ -88,7 +92,11 @@ int mult_cpx_conj_vector(int16_t *x1,
tmp_im = _mm_srai_epi32(tmp_im,output_shift);
tmpy0 = _mm_unpacklo_epi32(tmp_re,tmp_im);
tmpy1 = _mm_unpackhi_epi32(tmp_re,tmp_im);
*y_128 = _mm_packs_epi32(tmpy0,tmpy1);
if (madd==0)
*y_128 = _mm_packs_epi32(tmpy0,tmpy1);
else
*y_128 += _mm_packs_epi32(tmpy0,tmpy1);
#elif defined(__arm__)
tmp_re = vmull_s16(((simdshort_q15_t *)x1_128)[0], ((simdshort_q15_t*)x2_128)[0]);
......@@ -110,7 +118,10 @@ int mult_cpx_conj_vector(int16_t *x1,
tmp_re = vqshlq_s32(tmp_re,shift);
tmp_im = vqshlq_s32(tmp_im,shift);
tmpy = vzip_s16(vmovn_s32(tmp_re),vmovn_s32(tmp_im));
*y_128 = vcombine_s16(tmpy.val[0],tmpy.val[1]);
if (madd==0)
*y_128 = vcombine_s16(tmpy.val[0],tmpy.val[1]);
else
*y_128 += vcombine_s16(tmpy.val[0],tmpy.val[1]);
#endif
x1_128++;
x2_128++;
......@@ -124,3 +135,81 @@ int mult_cpx_conj_vector(int16_t *x1,
return(0);
}
int multadd_cpx_vector(int16_t *x1,
int16_t *x2,
int16_t *y,
uint8_t zero_flag,
uint32_t N,
int output_shift)
{
// Multiply elementwise the complex conjugate of x1 with x2.
// x1 - input 1 in the format |Re0 Im0 Re1 Im1|,......,|Re(N-2) Im(N-2) Re(N-1) Im(N-1)|
// We assume x1 with a dinamic of 15 bit maximum
//
// x2 - input 2 in the format |Re0 Im0 Re1 Im1|,......,|Re(N-2) Im(N-2) Re(N-1) Im(N-1)|
// We assume x2 with a dinamic of 14 bit maximum
///
// y - output in the format |Re0 Im0 Re1 Im1|,......,|Re(N-2) Im(N-2) Re(N-1) Im(N-1)|
//
// zero_flag - Set output (y) to zero prior to disable accumulation
//
// N - the size f the vectors (this function does N cpx mpy. WARNING: N>=4;
//
// output_shift - shift to be applied to generate output
uint32_t i; // loop counter
simd_q15_t *x1_128;
simd_q15_t *x2_128;
simd_q15_t *y_128;
#if defined(__x86_64__) || defined(__i386__)
simd_q15_t tmp_re,tmp_im;
simd_q15_t tmpy0,tmpy1;
#elif defined(__arm__)
int32x4_t tmp_re,tmp_im;
int32x4_t tmp_re1,tmp_im1;
int16x4x2_t tmpy;
int32x4_t shift = vdupq_n_s32(-output_shift);
#endif
x1_128 = (simd_q15_t *)&x1[0];
x2_128 = (simd_q15_t *)&x2[0];
y_128 = (simd_q15_t *)&y[0];
// we compute 4 cpx multiply for each loop
for(i=0; i<(N>>2); i++) {
#if defined(__x86_64__) || defined(__i386__)
tmp_re = _mm_sign_epi16(*x1_128,*(__m128i*)&conjug2[0]);
tmp_re = _mm_madd_epi16(tmp_re,*x2_128);
tmp_im = _mm_shufflelo_epi16(*x1_128,_MM_SHUFFLE(2,3,0,1));
tmp_im = _mm_shufflehi_epi16(tmp_im,_MM_SHUFFLE(2,3,0,1));
tmp_im = _mm_madd_epi16(tmp_im,*x2_128);
tmp_re = _mm_srai_epi32(tmp_re,output_shift);
tmp_im = _mm_srai_epi32(tmp_im,output_shift);
tmpy0 = _mm_unpacklo_epi32(tmp_re,tmp_im);
//print_ints("unpack lo:",&tmpy0[i]);
tmpy1 = _mm_unpackhi_epi32(tmp_re,tmp_im);
//print_ints("unpack hi:",&tmpy1[i]);
if (zero_flag == 1)
*y_128 = _mm_packs_epi32(tmpy0,tmpy1);
else
*y_128 = _mm_adds_epi16(*y_128,_mm_packs_epi32(tmpy0,tmpy1));
//print_shorts("*y_128:",&y_128[i]);
#elif defined(__arm__)
msg("mult_cpx_vector not implemented for __arm__");
#endif
x1_128++;
x2_128++;
y_128++;
}
_mm_empty();
_m_empty();
return(0);
}
openair1/PHY/TOOLS/defs.h
View file @ 74d07a70
......@@ -116,13 +116,34 @@ int rotate_cpx_vector(int16_t *x,
@param y - output in the format |Re0 Im0 Re1 Im1|,......,|Re(N-2) Im(N-2) Re(N-1) Im(N-1)|
@param N - the size f the vectors (this function does N cpx mpy. WARNING: N>=4;
@param output_shift - shift to be applied to generate output
@param madd - if not zero result is added to output
*/
int mult_cpx_conj_vector(int16_t *x1,
int16_t *x2,
int16_t *y,
uint32_t N,
int output_shift);
int output_shift,
int madd);
/*!
Element-wise multiplication and accumulation of two complex vectors x1 and x2.
@param x1 - input 1 in the format |Re0 Im0 Re1 Im1|,......,|Re(N-2) Im(N-2) Re(N-1) Im(N-1)|
We assume x1 with a dinamic of 15 bit maximum
@param x2 - input 2 in the format |Re0 Im0 Re1 Im1|,......,|Re(N-2) Im(N-2) Re(N-1) Im(N-1)|
We assume x2 with a dinamic of 14 bit maximum
@param y - output in the format |Re0 Im0 Re1 Im1|,......,|Re(N-2) Im(N-2) Re(N-1) Im(N-1)|
@param zero_flag Set output (y) to zero prior to accumulation
@param N - the size f the vectors (this function does N cpx mpy. WARNING: N>=4;
@param output_shift - shift to be applied to generate output
*/
int multadd_cpx_vector(int16_t *x1,
int16_t *x2,
int16_t *y,
uint8_t zero_flag,
uint32_t N,
int output_shift);
// lte_dfts.c
void init_fft(uint16_t size,
......
openair1/PHY/impl_defs_lte.h
View file @ 74d07a70
......@@ -552,7 +552,7 @@ typedef struct {
uint8_t nb_antennas_tx;
/// Number of Receive antennas in node
uint8_t nb_antennas_rx;
/// Number of Logical transmit antenna ports in eNodeB
/// Number of common transmit antenna ports in eNodeB (1 or 2)
uint8_t nb_antenna_ports_eNB;
/// PRACH_CONFIG
PRACH_CONFIG_COMMON prach_config_common;
......
openair1/PHY/impl_defs_top.h
View file @ 74d07a70
......@@ -177,7 +177,7 @@
#define DMA_BLKS_PER_SLOT (SLOT_LENGTH_BYTES/2048) // Number of DMA blocks per slot
#define SLOT_TIME_NS (SLOT_LENGTH_SAMPLES*(1e3)/7.68) // slot time in ns
#define NB_ANTENNA_PORTS_ENB 14 // total number of eNB antenna ports
#define NB_ANTENNA_PORTS_ENB 6 // total number of eNB antenna ports
#ifdef EXMIMO
#define TARGET_RX_POWER 55 // Target digital power for the AGC
......
targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band4.tm1.usrpb210.conf
View file @ 74d07a70
......@@ -17,12 +17,15 @@ eNBs =
mobile_country_code = "208";
mobile_network_code = "93";
mobile_network_code = "92";
////////// Physical parameters:
component_carriers = (
{
node_function = "eNodeB_3GPP";
node_timing = "synch_to_ext_device";
node_synch_ref = 0;
frame_type = "FDD";
tdd_config = 3;
tdd_config_s = 0;
......@@ -35,6 +38,7 @@ eNBs =
Nid_cell_mbsfn = 0;
nb_antennas_tx = 1;
nb_antennas_rx = 1;
nb_antenna_ports = 1;
tx_gain = 90;
rx_gain = 128;
prach_root = 0;
......@@ -97,6 +101,8 @@ eNBs =
ue_TimersAndConstants_t311 = 10000;
ue_TimersAndConstants_n310 = 20;
ue_TimersAndConstants_n311 = 1;
ue_TransmissionMode = 1;
}
);
......@@ -131,7 +137,7 @@ eNBs =
};
////////// MME parameters:
mme_ip_address = ( { ipv4 = "192.168.12.11";
mme_ip_address = ( { ipv4 = "192.168.12.70";
ipv6 = "192:168:30::17";
active = "yes";
preference = "ipv4";
......@@ -141,10 +147,10 @@ eNBs =
NETWORK_INTERFACES :
{
ENB_INTERFACE_NAME_FOR_S1_MME = "eth0";
ENB_IPV4_ADDRESS_FOR_S1_MME = "192.168.12.215/24";
ENB_IPV4_ADDRESS_FOR_S1_MME = "192.168.12.150/24";
ENB_INTERFACE_NAME_FOR_S1U = "eth0";
ENB_IPV4_ADDRESS_FOR_S1U = "192.168.12.215/24";
ENB_IPV4_ADDRESS_FOR_S1U = "192.168.12.150/24";
ENB_PORT_FOR_S1U = 2152; # Spec 2152
};
......
targets/RT/USER/lte-enb.c
View file @ 74d07a70
......@@ -289,7 +289,6 @@ void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB)
slot_offset = subframe*phy_vars_eNB->frame_parms.samples_per_tti;
if ((subframe_select(&phy_vars_eNB->frame_parms,subframe)==SF_DL)||
((subframe_select(&phy_vars_eNB->frame_parms,subframe)==SF_S))) {
// LOG_D(HW,"Frame %d: Generating slot %d\n",frame,next_slot);
......@@ -297,18 +296,18 @@ void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB)
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_OFDM_MODULATION,1);
do_OFDM_mod_symbol(&phy_vars_eNB->common_vars,
0,
subframe<<1,
&phy_vars_eNB->frame_parms,
phy_vars_eNB->do_precoding);
0,
subframe<<1,
&phy_vars_eNB->frame_parms,
phy_vars_eNB->do_precoding);
// if S-subframe generate first slot only
if (subframe_select(&phy_vars_eNB->frame_parms,subframe) == SF_DL) {
do_OFDM_mod_symbol(&phy_vars_eNB->common_vars,
0,
1+(subframe<<1),
&phy_vars_eNB->frame_parms,
phy_vars_eNB->do_precoding);
0,
1+(subframe<<1),
&phy_vars_eNB->frame_parms,
phy_vars_eNB->do_precoding);
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_OFDM_MODULATION,0);
......@@ -2003,6 +2002,7 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
eNB->do_prach = NULL;
eNB->do_precoding = 0;
eNB->fep = eNB_fep_rru_if5;
eNB->do_precoding = 0;
eNB->td = NULL;
eNB->te = NULL;
eNB->proc_uespec_rx = NULL;
......@@ -2058,7 +2058,7 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
break;
case eNodeB_3GPP:
eNB->do_precoding = (eNB->frame_parms.nb_antennas_tx==1) ? 0 : 1;
eNB->do_precoding = eNB->frame_parms.nb_antennas_tx!=eNB->frame_parms.nb_antenna_ports_eNB;
eNB->do_prach = do_prach;
eNB->fep = eNB_fep_full;//(single_thread_flag==1) ? eNB_fep_full_2thread : eNB_fep_full;
eNB->td = ulsch_decoding_data;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data;
......@@ -2079,7 +2079,7 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
eNB->ifdevice.host_type = BBU_HOST;
break;
case eNodeB_3GPP_BBU:
eNB->do_precoding = (eNB->frame_parms.nb_antennas_tx==1) ? 0 : 1;
eNB->do_precoding = eNB->frame_parms.nb_antennas_tx!=eNB->frame_parms.nb_antenna_ports_eNB;
eNB->do_prach = do_prach;
eNB->fep = eNB_fep_full;//(single_thread_flag==1) ? eNB_fep_full_2thread : eNB_fep_full;
eNB->td = ulsch_decoding_data;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data;
......
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