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

MIMO 4x4 with 1 layer test commit

Browse Source
This commit is contained in:
Khodr Saaifan
2021-02-01 14:58:59 +01:00
committed by Thomas Schlichter
parent 0f55139dc6
commit 812dc116f7
3 changed files with 7 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/INIT/nr_parms.c
+1 -1
View File
@@ -335,7 +335,7 @@ int nr_init_frame_parms_ue(NR_DL_FRAME_PARMS *fp,
int Ncp = NORMAL; int Ncp = NORMAL;
if(fp->nb_antennas_rx == 0) if(fp->nb_antennas_rx == 0)
fp->nb_antennas_rx = 1; fp->nb_antennas_rx = 4;
if(fp->nb_antennas_tx == 0) if(fp->nb_antennas_tx == 0)
fp->nb_antennas_tx = 1; fp->nb_antennas_tx = 1;
openair1/PHY/NR_TRANSPORT/nr_dlsch.c
+2 -2
View File
@@ -414,10 +414,10 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB,
///Layer Precoding and Antenna port mapping ///Layer Precoding and Antenna port mapping
// tx_layers 1-8 are mapped on antenna ports 1000-1007 // tx_layers 1-8 are mapped on antenna ports 1000-1007
uint8_t pmi = 2; uint8_t pmi = 6;
for (int ap=0; ap<frame_parms->nb_antennas_tx; ap++) { for (int ap=0; ap<frame_parms->nb_antennas_tx; ap++) {
char *W_prec = nr_W_1l_2p[pmi][ap];//nr_W_1l_4p, nr_W_2l_2p, nr_W_2l_4p, nr_W_3l_4p, and nr_W_4l_4p char *W_prec = nr_W_1l_4p[pmi][ap];//nr_W_1l_4p, nr_W_2l_2p, nr_W_2l_4p, nr_W_3l_4p, and nr_W_4l_4p
for (int l=rel15->StartSymbolIndex; l<rel15->StartSymbolIndex+rel15->NrOfSymbols; l++) { for (int l=rel15->StartSymbolIndex; l<rel15->StartSymbolIndex+rel15->NrOfSymbols; l++) {
uint16_t k = start_sc; uint16_t k = start_sc;
targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf
+4 -4
View File
@@ -23,7 +23,7 @@ gNBs =
////////// Physical parameters: ////////// Physical parameters:
ssb_SubcarrierOffset = 0; ssb_SubcarrierOffset = 0;
pdsch_AntennaPorts = 1; pdsch_AntennaPorts = 4;
servingCellConfigCommon = ( servingCellConfigCommon = (
{ {
@@ -240,7 +240,7 @@ L1s = (
RUs = ( RUs = (
{ {
local_rf = "yes" local_rf = "yes"
nb_tx = 1 nb_tx = 4
nb_rx = 1 nb_rx = 1
att_tx = 0 att_tx = 0
att_rx = 0; att_rx = 0;
@@ -253,9 +253,9 @@ RUs = (
##beamforming 1x4 matrix: 1 layer x 4 antennas ##beamforming 1x4 matrix: 1 layer x 4 antennas
#bf_weights = [0x00007fff, 0x0000,0x0000, 0x0000]; #bf_weights = [0x00007fff, 0x0000,0x0000, 0x0000];
## beamforming 2x2 matrix: ## beamforming 2x2 matrix:
bf_weights = [0x00007fff, 0x00000000, 0x00000000, 0x00007fff]; # bf_weights = [0x00007fff, 0x00000000, 0x00000000, 0x00007fff];
## beamforming 4x4 matrix: ## beamforming 4x4 matrix:
#bf_weights = [0x00007fff, 0x0000, 0x0000, 0x0000, 0x00000000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff]; bf_weights = [0x00007fff, 0x0000, 0x0000, 0x0000, 0x00000000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff];
sdr_addrs = "addr=192.168.10.2,mgmt_addr=192.168.10.2,second_addr=192.168.20.2"; sdr_addrs = "addr=192.168.10.2,mgmt_addr=192.168.10.2,second_addr=192.168.20.2";
clock_src = "external"; clock_src = "external";