Changes between Version 48 and Version 49 of Tutorials/4G5G/amarisoft

Timestamp:

Nov 12, 2024, 9:02:20 PM (3 weeks ago)

Author:

prasanthi

Comment:

—

Tutorials/4G5G/amarisoft

@@ -334 +334 @@
 omf tell -a on -t node21-5,node21-6,node23-5,node24-17
 }}}
-* Run eth_config_grid.sh to setup the IP address of DATA1 interface and the network buffers
+* Run eth_config_grid.sh on both the servers to setup the IP address of DATA1 interface and the network buffers
 {{{#!shell
 root@node21-6:~# ./eth_config_grid.sh
@@ -340 +340 @@
 net.core.wmem_max = 62500000
 }}}
-
-
+* Run MME and gNodeB on node21-5. The gNodeB uses X310 23-5 as specified in the config file
+{{{#!shell
+root@node21-5:/opt/amarisoft/ltemme-linux-2024-09-13# ./lte_init.sh
+Select CTRL default interface
+Configure NAT for CTRL
+net.ipv4.tcp_congestion_control = bbr
+net.core.rmem_max = 62500000
+net.core.wmem_max = 62500000
+root@node21-5:/opt/amarisoft/ltemme-linux-2024-09-13# ./ltemme config/mme.cfg
+Core Network version 2024-09-13, Copyright (C) 2012-2024 Amarisoft
+This software is licensed to Rutgers University (The State University of New Jersey).
+License server: license.orbit-lab.org (0b-b4-46-dc-2f-83-58-cb)
+Support and software update available until 2025-08-18.
+
+(mme)
+
+}}}
+{{{#!shell
+root@node21-5:/opt/amarisoft/lteenb-linux-2024-09-13# ./lteenb config/gnb-sa-n77-40M-x310.cfg
+Base Station version 2024-09-13, Copyright (C) 2012-2024 Amarisoft
+This software is licensed to Rutgers University (The State University of New Jersey).
+License server: license.orbit-lab.org (0b-b4-46-dc-2f-83-58-cb)
+Support and software update available until 2025-08-18.
+
+[INFO] [UHD] linux; GNU C++ version 9.4.0; Boost_107100; UHD_4.4.0.HEAD-0-g5fac246b
+[INFO] [X300] X300 initialization sequence...
+[INFO] [X300] Maximum frame size: 8000 bytes.
+[INFO] [X300] Radio 1x clock: 184.32 MHz
+[WARNING] [RFNOC::GRAPH] One or more blocks timed out during flush!
+RF0: sample_rate=46.080 MHz dl_freq=3948.960 MHz ul_freq=3948.960 MHz (band n77) dl_ant=2 ul_ant=1
+Warning, CPU hyperthreading is enabled, we do not recommend using it.
+(enb) UHD status: L=0 U=0 S=1
+D
+(enb) cell phy
+[gnb0012345] PLMN=310014 gNB_ID=0x12345
+--------Global-------- -----------DL-------------- -----------UL---------- -----SSB---
+Cell    RAT BAND  BW P   ARFCN ANT NL SCS  QAM POW   ARCFN ANT NL SCS  QAM   ARFCN SCS
+0x001    NR  n77  40 0  663264   2  2  30  256 -45  663264   1  1  30  256  662592  30
+(enb)
+
+}}}
+*Run UE Simulator on node21-6 with USRP 24-17
+{{{#!shell
+root@node21-6:/opt/amarisoft/lteue-linux-2024-09-13# ./lteue config/ue-nr-sa-n77-40M-x310.cfg
+UE version 2024-09-13, Copyright (C) 2012-2024 Amarisoft
+This software is licensed to Rutgers University (The State University of New Jersey).
+License server: license.orbit-lab.org (0b-b4-46-dc-2f-83-58-cb)
+Support and software update available until 2025-08-18.
+
+[INFO] [UHD] linux; GNU C++ version 9.4.0; Boost_107100; UHD_4.4.0.HEAD-0-g5fac246b
+[INFO] [X300] X300 initialization sequence...
+[INFO] [X300] Maximum frame size: 8000 bytes.
+[INFO] [X300] Radio 1x clock: 184.32 MHz
+RF0: sample_rate=46.080 MHz dl_freq=3948.960 MHz ul_freq=3948.960 MHz (band n77) dl_ant=2 ul_ant=1
+Warning, CPU hyperthreading is enabled, we do not recommend using it.
+(ue) power_on
+(ue) Cell 0: SIB found
+
+(ue) ue
+        # UE_ID CL RNTI    RRC_STATE               EMM_STATE #ERAB IP_ADDR
+  NR    0     1  0 4601      running              registered     1 192.168.2.2
+(ue)
+
+}}}
+* Throughput testing
+{{{#!shell
+root@node21-6:~# ip netns exec ue1 iperf3 -s -B 192.168.2.2
+-----------------------------------------------------------
+Server listening on 5201
+-----------------------------------------------------------
+
+}}}
+{{{#!shell
+root@node21-5:~# iperf3 -c 192.168.2.2 -b 0 -i 1
+Connecting to host 192.168.2.2, port 5201
+[  5] local 192.168.2.1 port 35016 connected to 192.168.2.2 port 5201
+[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
+[  5]   0.00-1.00   sec  9.12 MBytes  76.5 Mbits/sec    0    667 KBytes
+[  5]   1.00-2.00   sec  7.50 MBytes  62.9 Mbits/sec    0    583 KBytes
+[  5]   2.00-3.00   sec  8.75 MBytes  73.4 Mbits/sec    0    583 KBytes
+[  5]   3.00-4.00   sec  8.75 MBytes  73.4 Mbits/sec    0    639 KBytes
+[  5]   4.00-5.00   sec  7.50 MBytes  62.9 Mbits/sec    0    634 KBytes
+[  5]   5.00-6.00   sec  8.75 MBytes  73.4 Mbits/sec    0    710 KBytes
+[  5]   6.00-7.00   sec  7.50 MBytes  62.9 Mbits/sec    0    642 KBytes
+[  5]   7.00-8.00   sec  8.75 MBytes  73.4 Mbits/sec    0    602 KBytes
+[  5]   8.00-9.00   sec  8.75 MBytes  73.4 Mbits/sec    0    747 KBytes
+[  5]   9.00-10.00  sec  8.75 MBytes  73.4 Mbits/sec    0    639 KBytes
+- - - - - - - - - - - - - - - - - - - - - - - - -
+[ ID] Interval           Transfer     Bitrate         Retr
+[  5]   0.00-10.00  sec  84.1 MBytes  70.6 Mbits/sec    0             sender
+[  5]   0.00-10.06  sec  81.0 MBytes  67.5 Mbits/sec                  receiver
+
+iperf Done.
+
+}}}
+* When the UE simulator starts, please make sure the RSRP is good enough to achieve a connection and good throughput. 
+In this case, maximum gain on the USRPs, 2X2 MIMO were used to get a good signal strength.
+{{{#!shell
+(ue) t
+Press [return] to stop the trace
+----------------------Hz---ppm----dB----dBm-----------------------DL---------- ---------------------UL-
+UE_ID  RAT CL RNTI   CFO   SRO  SINR   RSRP  mcs retx rxko rxok brate     #its  mcs  ta retx   tx brate
+    1   NR 00    - -1264  -0.3  24.3  -65.0    -    0    0    0     0        -    -  16    0    0     0
+    1   NR 00    - -1274  -0.3  26.8  -64.8    -    0    0    0     0        -    -  16    0    0     0
+    1   NR 00    - -1274  -0.3  26.5  -64.7    -    0    0    0     0        -    -  16    0    0     0
+    1   NR 00    - -1275  -0.3  26.6  -64.8    -    0    0    0     0        -    -  16    0    0     0
+}}}