From 9eac7ac6ffdb299a18bd894096b67a5aeba2b4b7 Mon Sep 17 00:00:00 2001
From: gauthier <lionel.gauthier@eurecom.fr>
Date: Wed, 16 Dec 2015 09:06:50 +0100
Subject: [PATCH] fixed TX/RX timing for B210 5 MHz
---
targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp | 8 +++-----
.../GENERIC-LTE-EPC/CONF/enb.band7.tm1.usrpb210.conf | 6 +++---
.../PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.usrpb210.conf | 6 +++---
targets/RT/USER/lte-softmodem.c | 4 ++--
4 files changed, 11 insertions(+), 13 deletions(-)
diff --git a/targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp b/targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
index 0885ef6dd1..b12f7397f0 100644
--- a/targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
+++ b/targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
@@ -464,7 +464,7 @@ int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_
break;
case 7680000:
openair0_cfg[0].samples_per_packet = 1024;
- openair0_cfg[0].tx_sample_advance = 103;
+ openair0_cfg[0].tx_sample_advance = 70;//103;
openair0_cfg[0].tx_scheduling_advance = 5*openair0_cfg[0].samples_per_packet;
break;
case 1920000:
@@ -479,13 +479,11 @@ int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_
}
}
-
-
for(i=0;i<s->usrp->get_rx_num_channels();i++) {
if (i<openair0_cfg[0].rx_num_channels) {
s->usrp->set_rx_rate(openair0_cfg[0].sample_rate,i);
s->usrp->set_rx_bandwidth(openair0_cfg[0].rx_bw,i);
- printf("Setting rx freq/gain on channel %lu/%lu\n",i,s->usrp->get_rx_num_channels());
+ printf("Setting rx freq/gain on channel %lu/%lu : BW %f (readback %f)\n",i,s->usrp->get_rx_num_channels(),openair0_cfg[0].rx_bw/1e6,s->usrp->get_rx_bandwidth(i)/1e6);
s->usrp->set_rx_freq(openair0_cfg[0].rx_freq[i],i);
set_rx_gain_offset(&openair0_cfg[0],i);
@@ -506,7 +504,7 @@ int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_
if (i<openair0_cfg[0].tx_num_channels) {
s->usrp->set_tx_rate(openair0_cfg[0].sample_rate,i);
s->usrp->set_tx_bandwidth(openair0_cfg[0].tx_bw,i);
- printf("Setting tx freq/gain on channel %lu/%lu\n",i,s->usrp->get_tx_num_channels());
+ printf("Setting tx freq/gain on channel %lu/%lu: BW %f (readback %f)\n",i,s->usrp->get_tx_num_channels(),openair0_cfg[0].tx_bw/1e6,s->usrp->get_tx_bandwidth(i)/1e6);
s->usrp->set_tx_freq(openair0_cfg[0].tx_freq[i],i);
s->usrp->set_tx_gain(openair0_cfg[0].tx_gain[i],i);
}
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.usrpb210.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.usrpb210.conf
index 2f11e42ba9..d8ea58910a 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.usrpb210.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.usrpb210.conf
@@ -36,7 +36,7 @@ eNBs =
nb_antennas_tx = 1;
nb_antennas_rx = 1;
tx_gain = 90;
- rx_gain = 120;
+ rx_gain = 132;
prach_root = 0;
prach_config_index = 0;
prach_high_speed = "DISABLE";
@@ -143,10 +143,10 @@ eNBs =
NETWORK_INTERFACES :
{
ENB_INTERFACE_NAME_FOR_S1_MME = "eth0";
- ENB_IPV4_ADDRESS_FOR_S1_MME = "192.168.12.216/24";
+ ENB_IPV4_ADDRESS_FOR_S1_MME = "192.168.12.213/24";
ENB_INTERFACE_NAME_FOR_S1U = "eth0";
- ENB_IPV4_ADDRESS_FOR_S1U = "192.168.12.216/24";
+ ENB_IPV4_ADDRESS_FOR_S1U = "192.168.12.213/24";
ENB_PORT_FOR_S1U = 2152; # Spec 2152
};
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.usrpb210.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.usrpb210.conf
index 57a43fb414..c2234b56c7 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.usrpb210.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.usrpb210.conf
@@ -132,7 +132,7 @@ 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";
@@ -142,10 +142,10 @@ 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
};
diff --git a/targets/RT/USER/lte-softmodem.c b/targets/RT/USER/lte-softmodem.c
index 45625e7e73..19e1c5b653 100644
--- a/targets/RT/USER/lte-softmodem.c
+++ b/targets/RT/USER/lte-softmodem.c
@@ -2854,8 +2854,8 @@ int main( int argc, char **argv )
} else if (frame_parms[0]->N_RB_DL == 25) {
openair0_cfg[card].sample_rate=7.68e6;
openair0_cfg[card].samples_per_frame = 76800;
- openair0_cfg[card].tx_bw = 2.5e6;
- openair0_cfg[card].rx_bw = 2.5e6;
+ openair0_cfg[card].tx_bw = 5e6;
+ openair0_cfg[card].rx_bw = 5e6;
} else if (frame_parms[0]->N_RB_DL == 6) {
openair0_cfg[card].sample_rate=1.92e6;
--
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