diff --git a/targets/ARCH/COMMON/common_lib.h b/targets/ARCH/COMMON/common_lib.h
index 227a100692fef69d7bc72b37fd5641c989acab61..156da0c4ce6991c3b54c4901650f34d826d8348f 100644
--- a/targets/ARCH/COMMON/common_lib.h
+++ b/targets/ARCH/COMMON/common_lib.h
@@ -60,6 +60,11 @@ typedef enum {
max_gain=0,med_gain,byp_gain
} rx_gain_t;
+typedef enum {
+ duplex_mode_TDD=1,duplex_mode_FDD=0
+} duplex_mode_t;
+
+
/** @addtogroup _PHY_RF_INTERFACE_
* @{
*/
@@ -76,6 +81,8 @@ typedef struct {
int Mod_id;
// device log level
int log_level;
+ //! duplexing mode
+ duplex_mode_t duplex_mode;
//! number of downlink resource blocks
int num_rb_dl;
//! number of samples per frame
diff --git a/targets/ARCH/EXMIMO/DEFS/pcie_interface.h b/targets/ARCH/EXMIMO/DEFS/pcie_interface.h
index 925787cabfbb955e1cb20d17b0d73ecb0c5a5694..713480b40bbdcadcb042af1c14c9c3c199a0555d 100644
--- a/targets/ARCH/EXMIMO/DEFS/pcie_interface.h
+++ b/targets/ARCH/EXMIMO/DEFS/pcie_interface.h
@@ -316,7 +316,9 @@ typedef struct {
//
// In TDD mode, there are two ways to control the RX/TX switch:
// 1. using the LSB from the TX data (TXRXSWITCH_LSB)
+// only the LSB from RF chain set in the ACTIVE_RF register controls the switch on all the chains
// 2. using FPGA logic, based on switch_offset[0..3]
+// this mode is not tested well and should be used with care
#define DUPLEXMODE_MASK (1<<0)
#define DUPLEXMODE_FDD 0
#define DUPLEXMODE_TDD (1<<0)
@@ -330,6 +332,11 @@ typedef struct {
#define SWITCHSTATE_1 (1<<3)
#define TEST_ADACLOOP_MASK (1<<4)
#define TEST_ADACLOOP_EN (1<<4)
+#define RF_ACTIVE_MASK (15<<5)
+#define RF_ACTIVE_1 (1<<5)
+#define RF_ACTIVE_2 (2<<5)
+#define RF_ACTIVE_3 (4<<5)
+#define RF_ACTIVE_4 (8<<5)
typedef enum {
BW5,
diff --git a/targets/ARCH/EXMIMO/USERSPACE/LIB/openair0_lib.c b/targets/ARCH/EXMIMO/USERSPACE/LIB/openair0_lib.c
index df9900d3bc98720090143b73c2989a30ad0868ea..238c94bd7e97a6ce6d6330f260ca99c38e83e5b5 100644
--- a/targets/ARCH/EXMIMO/USERSPACE/LIB/openair0_lib.c
+++ b/targets/ARCH/EXMIMO/USERSPACE/LIB/openair0_lib.c
@@ -296,6 +296,7 @@ int openair0_config(openair0_config_t *openair0_cfg, int UE_flag)
int ant, card;
int resampling_factor=2;
int rx_filter=RXLPF25, tx_filter=TXLPF25;
+ int ACTIVE_RF=0;
exmimo_config_t *p_exmimo_config;
exmimo_id_t *p_exmimo_id;
@@ -315,8 +316,6 @@ int openair0_config(openair0_config_t *openair0_cfg, int UE_flag)
else
p_exmimo_config->framing.eNB_flag = !UE_flag;
- p_exmimo_config->framing.tdd_config = DUPLEXMODE_FDD + TXRXSWITCH_LSB;
-
if (openair0_num_detected_cards==1)
p_exmimo_config->framing.multicard_syncmode=SYNCMODE_FREE;
else if (card==0)
@@ -355,6 +354,7 @@ int openair0_config(openair0_config_t *openair0_cfg, int UE_flag)
for (ant=0; ant<4; ant++) {
if (openair0_cfg[card].rx_freq[ant] || openair0_cfg[card].tx_freq[ant]) {
+ ACTIVE_RF += (1<<ant)<<5;
p_exmimo_config->rf.rf_mode[ant] = RF_MODE_BASE;
p_exmimo_config->rf.do_autocal[ant] = 1;//openair0_cfg[card].autocal[ant];
printf("card %d, antenna %d, autocal %d\n",card,ant,openair0_cfg[card].autocal[ant]);
@@ -408,6 +408,15 @@ int openair0_config(openair0_config_t *openair0_cfg, int UE_flag)
}
}
+ if (openair0_cfg[card].duplex_mode==duplex_mode_FDD) {
+ p_exmimo_config->framing.tdd_config = DUPLEXMODE_FDD;
+ printf("!!!!!setting FDD (tdd_config=%d)\n",p_exmimo_config->framing.tdd_config);
+ }
+ else {
+ p_exmimo_config->framing.tdd_config = DUPLEXMODE_TDD + TXRXSWITCH_LSB + ACTIVE_RF;
+ printf("!!!!!setting TDD (tdd_config=%d)\n",p_exmimo_config->framing.tdd_config);
+ }
+
ret = ioctl(openair0_fd, openair_DUMP_CONFIG, card);
if (ret!=0)
diff --git a/targets/ARCH/EXMIMO/USERSPACE/OAI_FW_INIT/sdr_expressmimo2_v10 b/targets/ARCH/EXMIMO/USERSPACE/OAI_FW_INIT/sdr_expressmimo2_v10
index 2889dfa80f8f6a9128af6e9ca6dd1a309c9e1b39..d79e46df76881a3d2bf476b82f988b0a9bfd4839 100755
Binary files a/targets/ARCH/EXMIMO/USERSPACE/OAI_FW_INIT/sdr_expressmimo2_v10 and b/targets/ARCH/EXMIMO/USERSPACE/OAI_FW_INIT/sdr_expressmimo2_v10 differ
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.exmimo2.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.exmimo2.conf
index 0071b7d002ab33c880b125fdfa8791b35a927339..9444a6f95e8c610b95a87dd6ce3ecc52765ac811 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.exmimo2.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.exmimo2.conf
@@ -17,7 +17,7 @@ eNBs =
mobile_country_code = "208";
- mobile_network_code = "92";
+ mobile_network_code = "93";
////////// Physical parameters:
@@ -131,7 +131,7 @@ eNBs =
};
////////// MME parameters:
- mme_ip_address = ( { ipv4 = "192.168.13.11";
+ mme_ip_address = ( { ipv4 = "192.168.12.70";
ipv6 = "192:168:30::17";
active = "yes";
preference = "ipv4";
@@ -141,10 +141,10 @@ 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 = "192.168.12.212/24";
ENB_INTERFACE_NAME_FOR_S1U = "eth0";
- ENB_IPV4_ADDRESS_FOR_S1U = "192.168.13.10/24";
+ ENB_IPV4_ADDRESS_FOR_S1U = "192.168.12.212/24";
ENB_PORT_FOR_S1U = 2152; # Spec 2152
};
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.exmimo2.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.exmimo2.conf
index 212f341580f6acbab2cb4fc8994e38beb4f6b47e..3ce32398f7ac5d6fe42720447565c0fb6326213a 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.exmimo2.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.exmimo2.conf
@@ -17,7 +17,7 @@ eNBs =
mobile_country_code = "208";
- mobile_network_code = "92";
+ mobile_network_code = "93";
////////// Physical parameters:
@@ -31,7 +31,7 @@ eNBs =
downlink_frequency = 2680000000L;
uplink_frequency_offset = -120000000;
Nid_cell = 0;
- N_RB_DL = 50;
+ N_RB_DL = 25;
Nid_cell_mbsfn = 0;
nb_antennas_tx = 1;
nb_antennas_rx = 1;
@@ -131,7 +131,7 @@ eNBs =
};
////////// MME parameters:
- mme_ip_address = ( { ipv4 = "10.0.1.1";
+ mme_ip_address = ( { ipv4 = "192.168.12.171";
ipv6 = "192:168:30::17";
active = "yes";
preference = "ipv4";
@@ -140,11 +140,11 @@ eNBs =
NETWORK_INTERFACES :
{
- ENB_INTERFACE_NAME_FOR_S1_MME = "eth3";
- ENB_IPV4_ADDRESS_FOR_S1_MME = "10.0.1.229/24";
+ ENB_INTERFACE_NAME_FOR_S1_MME = "eth2";
+ ENB_IPV4_ADDRESS_FOR_S1_MME = "192.168.12.80/24";
- ENB_INTERFACE_NAME_FOR_S1U = "eth3";
- ENB_IPV4_ADDRESS_FOR_S1U = "10.0.1.229/24";
+ ENB_INTERFACE_NAME_FOR_S1U = "eth2";
+ ENB_IPV4_ADDRESS_FOR_S1U = "192.168.12.80/24";
ENB_PORT_FOR_S1U = 2152; # Spec 2152
};
diff --git a/targets/RT/USER/lte-softmodem.c b/targets/RT/USER/lte-softmodem.c
index 45625e7e736d05eab7848c5831262061ebd5c9ea..3bd561aedcb5f67ff8d36e25ba24c6ed6da1b72e 100644
--- a/targets/RT/USER/lte-softmodem.c
+++ b/targets/RT/USER/lte-softmodem.c
@@ -418,7 +418,7 @@ void help (void) {
printf(" --ue-txgain set UE TX gain\n");
printf(" --ue-scan_carrier set UE to scan around carrier\n");
printf(" --loop-memory get softmodem (UE) to loop through memory instead of acquiring from HW\n");
- printf(" -C Set the downlink frequecny for all Component carrier\n");
+ printf(" -C Set the downlink frequency for all component carriers\n");
printf(" -d Enable soft scope and L1 and L2 stats (Xforms)\n");
printf(" -F Calibrate the EXMIMO borad, available files: exmimo2_2arxg.lime exmimo2_2brxg.lime \n");
printf(" -g Set the global log level, valide options: (9:trace, 8/7:debug, 6:info, 4:warn, 3:error)\n");
@@ -432,6 +432,7 @@ void help (void) {
printf(" -r Set the PRB, valid values: 6, 25, 50, 100 \n");
printf(" -S Skip the missed slots/subframes \n");
printf(" -t Set the maximum uplink MCS\n");
+ printf(" -T Set hardware to TDD mode (default: FDD). Used only with -U (otherwise set in config file).\n");
printf(" -U Set the lte softmodem as a UE\n");
printf(" -W Enable L2 wireshark messages on localhost \n");
printf(" -V Enable VCD (generated file will be located atopenair_dump_eNB.vcd, read it with target/RT/USER/eNB.gtkw\n");
@@ -966,6 +967,25 @@ void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB)
phy_vars_eNB->lte_eNB_common_vars.txdata[0][aa][tx_offset++] = 0x00010001;
}
}
+
+ if ((((phy_vars_eNB->lte_frame_parms.tdd_config==0) ||
+ (phy_vars_eNB->lte_frame_parms.tdd_config==1) ||
+ (phy_vars_eNB->lte_frame_parms.tdd_config==2) ||
+ (phy_vars_eNB->lte_frame_parms.tdd_config==6)) &&
+ (subframe==0)) || (subframe==5)) {
+ // turn on tx switch N_TA_offset before
+ //LOG_D(HW,"subframe %d, time to switch to tx (N_TA_offset %d, slot_offset %d) \n",subframe,phy_vars_eNB->N_TA_offset,slot_offset);
+ for (i=0; i<phy_vars_eNB->N_TA_offset; i++) {
+ tx_offset = (int)slot_offset+time_offset[aa]+i-phy_vars_eNB->N_TA_offset/2;
+ if (tx_offset<0)
+ tx_offset += LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*phy_vars_eNB->lte_frame_parms.samples_per_tti;
+
+ if (tx_offset>=(LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*phy_vars_eNB->lte_frame_parms.samples_per_tti))
+ tx_offset -= LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*phy_vars_eNB->lte_frame_parms.samples_per_tti;
+
+ phy_vars_eNB->lte_eNB_common_vars.txdata[0][aa][tx_offset] = 0x00000000;
+ }
+ }
}
}
}
@@ -2037,7 +2057,7 @@ static void get_options (int argc, char **argv)
{NULL, 0, NULL, 0}
};
- while ((c = getopt_long (argc, argv, "C:dK:g:F:G:hqO:m:SUVRM:r:P:Ws:t:x:",long_options,NULL)) != -1) {
+ while ((c = getopt_long (argc, argv, "C:dK:g:F:G:hqO:m:SUVRM:r:P:Ws:t:Tx:",long_options,NULL)) != -1) {
switch (c) {
case LONG_OPTION_MAXPOWER:
tx_max_power[0]=atoi(optarg);
@@ -2302,8 +2322,13 @@ static void get_options (int argc, char **argv)
printf("Transmission mode > 2 (%d) not supported for the moment\n",transmission_mode);
exit(-1);
}
+ break;
+ case 'T':
+ for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++)
+ frame_parms[CC_id]->frame_type = TDD;
break;
+
case 'h':
help ();
exit (-1);
@@ -2463,12 +2488,10 @@ int main( int argc, char **argv )
memset(tx_max_power,0,sizeof(int)*MAX_NUM_CCs);
set_latency_target();
-
-
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
frame_parms[CC_id] = (LTE_DL_FRAME_PARMS*) malloc(sizeof(LTE_DL_FRAME_PARMS));
/* Set some default values that may be overwritten while reading options */
- frame_parms[CC_id]->frame_type = FDD; /* TDD */
+ frame_parms[CC_id]->frame_type = FDD;
frame_parms[CC_id]->tdd_config = 3;
frame_parms[CC_id]->tdd_config_S = 0;
frame_parms[CC_id]->N_RB_DL = 100;
@@ -2816,7 +2839,7 @@ int main( int argc, char **argv )
}
#else
- //already taken care of in lte-softmodem
+ //already taken care of in lte-softmodem.c
PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 0;
#endif
@@ -2863,7 +2886,12 @@ int main( int argc, char **argv )
openair0_cfg[card].tx_bw = 1.5e6;
openair0_cfg[card].rx_bw = 1.5e6;
}
-
+
+ if (frame_parms[0]->frame_type==TDD)
+ openair0_cfg[card].duplex_mode = duplex_mode_TDD;
+ else //FDD
+ openair0_cfg[card].duplex_mode = duplex_mode_FDD;
+
#ifdef ETHERNET
//calib needed