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OpenAirInterface LTE
Prerequisites
This tutorial series assumes you have an ORBIT account, have scheduled a session on the ORBIT testbed, are familiar with SSH'ing into the testbed itself, and are familiar with the basics of running ORBIT experiments. If you have not done these things yet, you may wish to do so before taking a look at this slightly more advanced experiment. If you are unfamiliar with or are entirely new to ORBIT, you may wish to start here.
This tutorial also assumes basic familiarity with LTE standard. It uses OpenAirInterface open source software implementation of LTE basestation (eNodeB or eNB) and modem (user equipment or UE) developed at Eurecom. The tutorial given here is based on the OAI_real-time_LTEsoftmodem tutorial.
The image used for this experiment is oai-rel_0.1-full.ndz. Image uses Ubunutu 14.04 and has low-latency 3.17 kernel install and UHD drivers needed for B210/X310 USRPs on as well as the OpenAirInteface source code installed in /root/rel_0.1_26.10.2014
Prepare the nodes
- Load the image with the OpenAirInterface code on the nodes that have USRP B210 attached. After imaging the nodes are turned off automatically.
omf load -t inventory:topo:B210 -i oai-rel_0.1-full.ndz
Load an Image
- Before we begin using the nodes, it's a good idea to check their status first. This is done with the omf stat command.
omf stat
This omf command is used to display the power status of the node/domain.
Usage: omf stat
username@consoles.outdoor:omf stat Returns the status of the nodes in a testbed Usage: omf-5.4 stat [-h] [-s] [-t TOPOLOGY] [-c AGGREGATE] With: -h, --help print this help message -s, --summary print a summary of the node status for the testbed -c, --config AGGREGATE use testbed AGGREGATE -t, --topology TOPOLOGY a valid topology file or description (defaults to 'system:topo:all') Some Examples: omf-5.4 stat omf-5.4 stat -s omf-5.4 stat -t omf.nicta.node1,omf.nicta.node2 -c sb1 omf-5.4 stat -t system:topo:all -c gridIndividual nodes are identified in the output of stat command by their fully qualified domain name (FQDN). This establishes their "coordinates" and the "domain" to which they belong. Nodes in different domains typically can NOT see each other. Node can be in 1 of 3 states:
POWEROFF Node is Available for use but turned off POWERON Node is Available and is on NOT REGISTERED Node is not Available for use Example: omf stat on the outdoor domain
user@console.outdoor:~# omf stat -t all INFO NodeHandler: OMF Experiment Controller 5.4 (git 6d34264) INFO NodeHandler: Slice ID: default_slice (default) INFO NodeHandler: Experiment ID: default_slice-2012-10-14t14.42.15-04.00 INFO NodeHandler: Message authentication is disabled INFO Experiment: load system:exp:stdlib INFO property.resetDelay: value = 210 (Fixnum) INFO property.resetTries: value = 1 (Fixnum) INFO Experiment: load system:exp:eventlib INFO Experiment: load system:exp:stat INFO Topology: Loading topology ''. INFO property.nodes: value = "system:topo:all" (String) INFO property.summary: value = false (FalseClass) INFO Topology: Loading topology 'system:topo:all'. Talking to the CMC service, please wait ----------------------------------------------- Domain: outdoor.orbit-lab.org Node: node3-6.outdoor.orbit-lab.org State: NOT REGISTERED Node: node3-3.outdoor.orbit-lab.org State: POWEROFF Node: node2-10.outdoor.orbit-lab.org State: POWEROFF Node: node1-10.outdoor.orbit-lab.org State: POWEROFF Node: node1-8.outdoor.orbit-lab.org State: POWERON Node: node1-6.outdoor.orbit-lab.org State: POWERON Node: node3-2.outdoor.orbit-lab.org State: POWEROFF Node: node3-1.outdoor.orbit-lab.org State: POWEROFF Node: node1-3.outdoor.orbit-lab.org State: POWERON Node: node3-5.outdoor.orbit-lab.org State: POWEROFF Node: node2-5.outdoor.orbit-lab.org State: NOT REGISTERED Node: node1-2.outdoor.orbit-lab.org State: POWERON ----------------------------------------------- INFO Experiment: Switching ON resources which are OFF INFO EXPERIMENT_DONE: Event triggered. Starting the associated tasks. INFO NodeHandler: INFO NodeHandler: Shutting down experiment, please wait... INFO NodeHandler: INFO run: Experiment default_slice-2012-10-14t14.42.15-04.00 finished after 0:6
- It is recommended that the node be in the POWEROFF state prior to any experiment process. If the node is in the POWERON state you can use the omf tell command to get the node into the off state.
omf tell
OMF command to control the power state/reset the nodes.
Usage: omf tell
user@console:omf tell Switch ON/OFF and reboot the nodes in a testbed Usage: omf tell [-h] -t TOPOLOGY -a ACTION [-c AGGREGATE] With: -h, --help print this help message -a, --action ACTION specify an action ACTION: on turn node(s) ON offs turn node(s) OFF (soft) offh turn node(s) OFF (hard) reboot reboots node(s) (soft) reset resets node(s) (hard) -h, --help print this help message -t, --topology TOPOLOGY a valid topology file or description (MANDATORY) -c, --config AGGREGATE use testbed AGGREGATE Some Examples: omf tell -a reset -t node1-1.grid.orbit-lab.org omf tell -a on -t system:topo:all -c grid omf tell -a reboot -t node1-1 omf tell -a offh -t [1..2,1..5] omf tell -a offh -t system:topo:all omf tell -a reset -t system:topo:imagedThe commands are: on, offh (equivalent to pulling out the power cord), offs (software shutdown), reboot (software reboot) and reset (hardware reset).
Example: turn off node1-1 on the outdoor domain
user@console.outdoor:~# omf tell -a offh -t node1-1 INFO NodeHandler: OMF Experiment Controller 5.4 (git 3fb37b9) INFO NodeHandler: Reading configuration file /etc/omf-expctl-5.4/services.yaml INFO NodeHandler: Add domain http - http://internal1.orbit-lab.org:5054/ INFO NodeHandler: Add domain http - http://repository1.orbit-lab.org:5054/ INFO NodeHandler: Slice ID: default_slice (default) INFO NodeHandler: Experiment ID: default_slice-2014-09-30t00.24.28.504-04.00 INFO NodeHandler: Message authentication is disabled INFO Experiment: load system:exp:stdlib INFO property.resetDelay: resetDelay = 230 (Fixnum) INFO property.resetTries: resetTries = 1 (Fixnum) INFO Experiment: load system:exp:eventlib INFO Experiment: load system:exp:winlib INFO Experiment: load system:exp:tell INFO property.nodes: nodes = "node1-1" (String) INFO property.command: command = "offh" (String) Talking to the CMC service, please wait ----------------------------------------------- Node: node1-1.outdoor.orbit-lab.org Reply: OK ----------------------------------------------- INFO EXPERIMENT_DONE: Event triggered. Starting the associated tasks. INFO NodeHandler: INFO NodeHandler: Shutting down experiment, please wait... INFO NodeHandler: INFO run: Experiment default_slice-2014-09-30t00.24.28.504-04.00 finished after 0:10
- Once node set is on an POWEROFF state, load an image with omf load command
omf load
Load command is used to put an image onto the hard disk of the node.
Usage: omf load
Install a given disk image on the nodes in a testbed Usage: omf-5.4 load [-h] [-i IMAGE_PATH] [-o TIMEOUT] [-t TOPOLOGY] [-c AGGREGATE] With: -h, --help print this help message -c, --config AGGREGATE use testbed AGGREGATE -t, --topology TOPOLOGY a valid topology file or description (defaults to 'system:topo:all') (if a file 'TOPOLOGY' doesn't exist, interpret it as a comma-separated list of nodes) -i, --image IMAGE disk image to load (default is 'baseline.ndz', the latest stable baseline image) -o, --timeout TIMEOUT a duration (in sec.) after which imageNodes should stop waiting for nodes that have not finished their image installation (default is 800 sec, i.e. 13min 20sec) --outpath PATH Path where the resulting Topologies should be saved (default is '/tmp') --outprefix PREFIX Prefix to use for naming the resulting Topologies (default is your experiment ID) Some Examples: omf-5.4 load omf-5.4 load -t system:topo:all -i baseline-2.4.ndz omf-5.4 load -t omf.nicta.node1 -i wireless-2.6.ndz omf-5.4 load -t omf.nicta.node1,omf.nicta.node2 -i baseline.ndz -o 400 omf-5.4 load -t system:topo:circle -i my_Own_Image.ndz omf-5.4 load -t my_Own_Topology -i baseline-2.2.ndz -t 600 -c grid omf-5.4 load -t my_Own_Topology --outpath ./ --outprefix my_Own_PrefixTwo important arguments are TOPOLOGY describing the set of nodes one wishes to image , and !IMAGE specifying the name of the image one wants to load the nodes with. If the imaging process does not does not finish within the default timeout period, that period can be increase by using the -o flag (e.g. -o 1600). Typical command to load both nodes of sandbox 1 with the baseline image would look like:
If the node is in the NOT REGISTERED state, you may need to wait for it to recover the POWEROFF state (it some times requires a few moments for the services to sync up). If the node takes more than 60 seconds to come out of the NODE NOT AVAILABLE state please report it to an administrator.Example: omf load-i baseline.ndz -t node1-1
username@console.sb3:~$ omf load -i baseline.ndz -t node1-1 DEBUG FQDN:console.sb3.orbit-lab.org: INFO NodeHandler: OMF Experiment Controller 5.4 (git 861d645) INFO NodeHandler: Reading configuration file /etc/omf-expctl-5.4/services.yaml INFO NodeHandler: Add domain http - http://internal1.orbit-lab.org:5054/ INFO NodeHandler: Add domain http - http://repository1.orbit-lab.org:5054/ INFO NodeHandler: Add domain http - http://external1.orbit-lab.org:5054/ INFO NodeHandler: Slice ID: pxe_slice INFO NodeHandler: Experiment ID: pxe_slice-2018-08-08t13.41.37.814-04.00 INFO NodeHandler: Message authentication is disabled INFO Experiment: load system:exp:stdlib INFO property.resetDelay: resetDelay = 230 (Fixnum) INFO property.resetTries: resetTries = 1 (Fixnum) INFO Experiment: load system:exp:eventlib INFO Experiment: load system:exp:winlib INFO Experiment: load system:exp:imageNode INFO property.nodes: nodes = "node1-1" (String) INFO property.image: image = "baseline.ndz" (String) INFO property.domain: domain = "sb3.orbit-lab.org" (String) INFO property.outpath: outpath = "/tmp" (String) INFO property.outprefix: outprefix = "pxe_slice-2018-08-08t13.41.37.814-04.00" (String) INFO property.timeout: timeout = 800 (Fixnum) INFO property.resize: resize = nil (NilClass) INFO Topology: Loaded topology 'system:topo:registered'. INFO property.resetDelay: resetDelay = 100 (Fixnum) INFO Experiment: Resetting resources INFO stdlib: Waiting for nodes (Up/Down/Total): 0/1/1 - (still down: node1-1.sb3.orbit-lab.org) [0 sec.] INFO stdlib: Waiting for nodes (Up/Down/Total): 0/1/1 - (still down: node1-1.sb3.orbit-lab.org) [10 sec.] INFO stdlib: Waiting for nodes (Up/Down/Total): 0/1/1 - (still down: node1-1.sb3.orbit-lab.org) [20 sec.] INFO stdlib: Waiting for nodes (Up/Down/Total): 0/1/1 - (still down: node1-1.sb3.orbit-lab.org) [30 sec.] INFO stdlib: Waiting for nodes (Up/Down/Total): 0/1/1 - (still down: node1-1.sb3.orbit-lab.org) [40 sec.] INFO stdlib: Waiting for nodes (Up/Down/Total): 0/1/1 - (still down: node1-1.sb3.orbit-lab.org) [50 sec.] INFO exp: Progress(0/0/1): 0/0/0 min(node1-1.sb3.orbit-lab.org)/avg/max (59) - Timeout: 790 sec. INFO ALL_UP: Event triggered. Starting the associated tasks. INFO BRING_UP: Event triggered. Starting the associated tasks. INFO Experiment: Bringing up resources INFO exp: Progress(0/0/1): 50/50/50 min(node1-1.sb3.orbit-lab.org)/avg/max (59) - Timeout: 780 sec. INFO exp: Progress(0/0/1): 80/80/80 min(node1-1.sb3.orbit-lab.org)/avg/max (59) - Timeout: 770 sec. INFO exp: Progress(1/0/1): 100/100/100 min()/avg/max (59) - Timeout: 760 sec. INFO exp: ----------------------------- INFO exp: Imaging Process Done INFO exp: 1 node successfully imaged - Topology saved in '/tmp/pxe_slice-2018-08-08t13.41.37.814-04.00-topo-success.rb' INFO exp: ----------------------------- INFO EXPERIMENT_DONE: Event triggered. Starting the associated tasks. INFO NodeHandler: INFO NodeHandler: Shutting down experiment, please wait... INFO NodeHandler: INFO NodeHandler: Shutdown flag is set - Turning Off the resources INFO run: Experiment pxe_slice-2018-08-08t13.41.37.814-04.00 finished after 1:44
- Before we begin using the nodes, it's a good idea to check their status first. This is done with the omf stat command.
- Turn ON the nodes that successfully imaged (give them some time and check their status with omf stat before proceeding).
omf tell -a on -t system:topo:imaged
Turn the Nodes ON
To turn the nodes on use omf tell command:
omf tell
OMF command to control the power state/reset the nodes.
Usage: omf tell
user@console:omf tell Switch ON/OFF and reboot the nodes in a testbed Usage: omf tell [-h] -t TOPOLOGY -a ACTION [-c AGGREGATE] With: -h, --help print this help message -a, --action ACTION specify an action ACTION: on turn node(s) ON offs turn node(s) OFF (soft) offh turn node(s) OFF (hard) reboot reboots node(s) (soft) reset resets node(s) (hard) -h, --help print this help message -t, --topology TOPOLOGY a valid topology file or description (MANDATORY) -c, --config AGGREGATE use testbed AGGREGATE Some Examples: omf tell -a reset -t node1-1.grid.orbit-lab.org omf tell -a on -t system:topo:all -c grid omf tell -a reboot -t node1-1 omf tell -a offh -t [1..2,1..5] omf tell -a offh -t system:topo:all omf tell -a reset -t system:topo:imagedThe commands are: on, offh (equivalent to pulling out the power cord), offs (software shutdown), reboot (software reboot) and reset (hardware reset).
Example: turn off node1-1 on the outdoor domain
user@console.outdoor:~# omf tell -a offh -t node1-1 INFO NodeHandler: OMF Experiment Controller 5.4 (git 3fb37b9) INFO NodeHandler: Reading configuration file /etc/omf-expctl-5.4/services.yaml INFO NodeHandler: Add domain http - http://internal1.orbit-lab.org:5054/ INFO NodeHandler: Add domain http - http://repository1.orbit-lab.org:5054/ INFO NodeHandler: Slice ID: default_slice (default) INFO NodeHandler: Experiment ID: default_slice-2014-09-30t00.24.28.504-04.00 INFO NodeHandler: Message authentication is disabled INFO Experiment: load system:exp:stdlib INFO property.resetDelay: resetDelay = 230 (Fixnum) INFO property.resetTries: resetTries = 1 (Fixnum) INFO Experiment: load system:exp:eventlib INFO Experiment: load system:exp:winlib INFO Experiment: load system:exp:tell INFO property.nodes: nodes = "node1-1" (String) INFO property.command: command = "offh" (String) Talking to the CMC service, please wait ----------------------------------------------- Node: node1-1.outdoor.orbit-lab.org Reply: OK ----------------------------------------------- INFO EXPERIMENT_DONE: Event triggered. Starting the associated tasks. INFO NodeHandler: INFO NodeHandler: Shutting down experiment, please wait... INFO NodeHandler: INFO run: Experiment default_slice-2014-09-30t00.24.28.504-04.00 finished after 0:10
Execute the experiment
Primary objective is to establish the LTE connection between the UE and eNB. node6-20 = eNB node19-18 = UE…
On the eNB node (node6-20) On the UE node (node19-18) lte-softmodem -Ooai.conf lte-softmodem -U Ooai.conf with MME support with no MME support
Add "-d" flag if you have enabled X11 forwarding and want to see the signal tracer (requires relatively high bandwidth). 
The output on both consoles should look something like this:
root@node19-18:~# lte-softmodem -Ooai.conf linux; GNU C++ version 4.8.2; Boost_105400; UHD_003.008.000-release # /dev/cpu_dma_latency set to 0us num component carrier 1 ---------------------------------------------------------------------- ENB CONFIG FILE CONTENT LOADED (TBC): ---------------------------------------------------------------------- ENB CONFIG for instance 0: eNB name: eNB_Eurecom_LTEBox: eNB ID: 3584: Cell type: CELL_MACRO_ENB: TAC: 1: MCC: 208: MNC: 92: eutra band for CC 0: 7: downlink freq for CC 0: 2680000000: uplink freq for CC 0: -120000000: Cell ID for CC 0: 0: N_RB_DL for CC 0: 25: rach_numberOfRA_Preambles for CC 0: 15: rach_preamblesGroupAConfig for CC 0: 0: rach_powerRampingStep for CC 0: 2: rach_preambleInitialReceivedTargetPower for CC 0: 6: rach_preambleTransMax for CC 0: 6: rach_raResponseWindowSize for CC 0: 7: rach_macContentionResolutionTimer for CC 0: 5: rach_maxHARQ_Msg3Tx for CC 0: 4: bcch_modificationPeriodCoeff for CC 0: 0: pcch_defaultPagingCycle for CC 0: 2: pcch_nB for CC 0: 2: prach_root for CC 0: 0: prach_config_index for CC 0: 0: prach_high_speed for CC 0: 0: prach_zero_correlation for CC 0: 1: prach_freq_offset for CC 0: 2: pdsch_referenceSignalPower for CC 0: -26: pdsch_p_b for CC 0: 0: pusch_n_SB for CC 0: 1: pusch_hoppingMode for CC 0: 0: pusch_hoppingOffset for CC 0: 0: pusch_enable64QAM for CC 0: 0: pusch_groupHoppingEnabled for CC 0: 1: pusch_groupAssignment for CC 0: 0: pusch_sequenceHoppingEnabled for CC 0: 0: pusch_nDMRS1 for CC 0: 1: pucch_delta_shift for CC 0: 0: pucch_nRB_CQI for CC 0: 1: pucch_nCS_AN for CC 0: 0: pucch_n1_AN for CC 0: 32: srs_enable for CC 0: 0: pusch_p0_Nominal for CC 0: -108: pucch_p0_Nominal for CC 0: -108: pusch_alpha for CC 0: 7: pucch_deltaF_Format1 for CC 0: 2: pucch_deltaF_Format1b for CC 0: 1: pucch_deltaF_Format2 for CC 0: 1: pucch_deltaF_Format2a for CC 0: 1: pucch_deltaF_Format2b for CC 0: 1: msg3_delta_Preamble for CC 0: 6: ul_CyclicPrefixLength for CC 0: 0: ue_TimersAndConstants_t300 for CC 0: 5: ue_TimersAndConstants_t301 for CC 0: 5: ue_TimersAndConstants_t310 for CC 0: 5: ue_TimersAndConstants_n310 for CC 0: 7: ue_TimersAndConstants_t311 for CC 0: 3: ue_TimersAndConstants_n311 for CC 0: 0: Global log level: info HW log level: info PHY log level: info MAC log level: info RLC log level: info PDCP log level: info RRC log level: info -------------------------------------------------------- Downlink frequency/ uplink offset of CC_id 0 set to 2680000000/-120000000 log init done configuring for eNB reported resolution = 1 ns [PHY][I][INIT] OFDM size : 512 [PHY][I][INIT] FRAME_LENGTH_SAMPLES : 153600 [PHY][I][INIT] NUMBER_OF_SYMBOLS_PER_FRAME : 140 [PHY][I][INIT] Initializing FFT engine using 512 point fft (9, 0x342f6500) [PHY][I][INIT] twiddle_fft= 0x35087940, twiddle_ifft=0x3508f940, twiddle_fft_tim es4=0x35097940,twiddle_ifft_times4=0x3509f940 [PHY][I][eNB 0] Initializing DL_FRAME_PARMS : N_RB_DL 25, PHICH Resource 1, PHIC H Duration 0 [PHY][I]init eNB: Nid_cell 0 [PHY][I]init eNB: frame_type 0,tdd_config 3 [PHY][I]init eNB: number of ue max 16 number of enb max 7 number of harq pid max 8 HW: Configuring card 0 -- Operating over USB 3. -- Initialize CODEC control... -- Initialize Radio control... -- Performing register loopback test... pass -- Performing register loopback test... pass -- Performing CODEC loopback test... pass -- Performing CODEC loopback test... pass -- Asking for clock rate 32.000000 MHz -- Actually got clock rate 32.000000 MHz -- Performing timer loopback test... pass -- Performing timer loopback test... pass -- Asking for clock rate 30.720000 MHz -- Actually got clock rate 30.720000 MHz -- Performing timer loopback test... pass -- Performing timer loopback test... pass -- Successfully tuned to 2680.000000 MHz -- -- Successfully tuned to 2560.000000 MHz -- Actual TX sample rate: 7.680000MSps... Actual RX sample rate: 7.680000MSps... Actual TX frequency: 2.680000GHz... Actual RX frequency: 2.560000GHz... Actual TX gain: 89.750000... Actual RX gain: 62.000000... Actual TX bandwidth: 56.000000M... Actual RX bandwidth: 56.000000M... Actual TX antenna: TX/RX... Actual RX antenna: RX2... Device timestamp: 0.000445... [MAC][I][l2_init] [MAIN] MAC_INIT_GLOBAL_PARAM IN... [MAC][I][mac_init_global_param] [MAIN] CALLING RLC_MODULE_INIT... [MAC][I][mac_init_global_param] [MAIN] RLC_MODULE_INIT OK, malloc16 for mac_rlc_ xface... [MAC][I][mac_init_global_param] [MAIN] malloc16 OK, mac_rlc_xface @ 0x37870b60 [MAC][I][mac_init_global_param] [MAIN] RLC interface setup and init [PDCP][I]PDCP layer has been initialized [MAC][I][mac_init_global_param] [MAIN] Init Global Param Done [MAC][I][l2_init] [MAIN] init eNB MAC functions [MAC][I][l2_init] [MAIN] init UE MAC functions [MAC][I][l2_init] [MAIN] PHY Frame configuration [MAC][I][mac_top_init] [MAIN] Init function start:Nb_UE_INST=0 [MAC][I][mac_top_init] [MAIN] Init function start:Nb_eNB_INST=1 [MAC][I][mac_top_init] [MAIN] calling RRC [RRC][I][eNB] handover active state is 0 [MAC][I][mac_top_init] [MAIN][INIT] Init function finished [MAC][I][mrbch_phy_sync_failure] [eNB 0] Frame 0: PHY Sync failure [SCTP][I][sctp_eNB_task] Starting SCTP layer [S1AP][I][s1ap_eNB_task] Starting S1AP layer [UDP][I][udp_enb_init] Initializing UDP task interface [UDP][I][udp_enb_init] Initializing UDP task interface: DONE [GTPV1U][I][gtpv1u_eNB_init] Initializing GTPU stack 0x12d8e60 ITTI tasks created [OTG][I][init_all_otg] init done: init_all_otg [OTG][I][init_seeds] set taus seed to 0 done [OTG][I][init_predef_traffic] OTG_CONFIG BCBR, src = 0, dst = 0, dist type for s ize = 5 [OTG][I][init_predef_traffic] OTG_CONFIG BCBR, src = 0, dst = 1, dist type for s ize = 5 [OTG][I][init_predef_traffic] OTG_CONFIG BCBR, src = 1, dst = 0, dist type for s ize = 5 [OTG][I][init_predef_traffic] OTG_CONFIG BCBR, src = 1, dst = 1, dist type for s ize = 5 setup_eNB_buffers: frame_parms = 0x7f7a335d78e0 rxdata[0] @ 0x378d7a00 (0x378d7a00) txdata[0] @ 0x37922a10 Setting eNB buffer to all-RX [UDP][I][udp_eNB_create_socket] Initializing UDP for local address 10.10.19.18 w ith port 2152 [UDP][I][udp_eNB_create_socket] Inserting new descriptor for task 11, sd 43 [UDP][I][udp_eNB_create_socket] Initializing UDP for local address 10.10.19.18 w ith port 2152: DONE Waiting for eNB application to be ready [RRC][I][eNB 0] Received RRC_CONFIGURATION_REQy . [S1AP][I][s1ap_eNB_handle_register_eNB] Registered new eNB[0] and macro eNB id 3 584 [RRC][I][eNB 0] Init (UE State = RRC_IDLE)... [RRC][I][eNB 0] Checking release [RRC][I][eNB 0] Rel8 RRC [RRC][I][eNB 0] Configuration SIB2/3 [MAC][I][rrc_mac_config_req] [CONFIG][eNB 0] Configuring MAC/PHY [MAC][I][rrc_mac_config_req] [CONFIG]SIB2/3 Contents (partial) [MAC][I][rrc_mac_config_req] [CONFIG]pusch_config_common.n_SB = 1 [MAC][I][rrc_mac_config_req] [CONFIG]pusch_config_common.hoppingMode = 0 [MAC][I][rrc_mac_config_req] [CONFIG]pusch_config_common.pusch_HoppingOffset = 0 [MAC][I][rrc_mac_config_req] [CONFIG]pusch_config_common.enable64QAM = 0 [MAC][I][rrc_mac_config_req] [CONFIG]pusch_config_common.groupHoppingEnabled = 1 [MAC][I][rrc_mac_config_req] [CONFIG]pusch_config_common.groupAssignmentPUSCH = 0 [MAC][I][rrc_mac_config_req] [CONFIG]pusch_config_common.sequenceHoppingEnabled = 0 [MAC][I][rrc_mac_config_req] [CONFIG]pusch_config_common.cyclicShift = 1 [RRC][I][eNB 0] OPENAIR RRC IN.... [SCTP][I][sctp_handle_new_association_req] Setsockopt SOL_SOCKET socket bound to : eth1 [SCTP][I][sctp_handle_new_association_req] Converted ipv4 address 10.10.0.100 to network type [SCTP][I][sctp_handle_new_association_req] connectx assoc_id 2 in progress..., used 1 addresses [SCTP][I][sctp_handle_new_association_req] Inserted new descriptor for sd 44 in list, nb elements 1, assoc_id 2 [SCTP][I][sctp_eNB_flush_sockets] Found data for descriptor 44 [SCTP][I][sctp_eNB_read_from_socket] Received notification for sd 44, type 32769 [SCTP][I][sctp_eNB_read_from_socket] Client association changed: 0 [SCTP][I][sctp_get_peeraddresses] ---------------------- [SCTP][I][sctp_get_peeraddresses] Peer addresses: [SCTP][I][sctp_get_peeraddresses] - [10.10.0.100] [SCTP][I][sctp_get_peeraddresses] ---------------------- [SCTP][I][sctp_get_sockinfo] ---------------------- [SCTP][I][sctp_get_sockinfo] SCTP Status: [SCTP][I][sctp_get_sockinfo] assoc id .....: 2 [SCTP][I][sctp_get_sockinfo] state ........: 4 [SCTP][I][sctp_get_sockinfo] instrms ......: 8 [SCTP][I][sctp_get_sockinfo] outstrms .....: 64 [SCTP][I][sctp_get_sockinfo] fragmentation : 1452 [SCTP][I][sctp_get_sockinfo] pending data .: 0 [SCTP][I][sctp_get_sockinfo] unack data ...: 0 [SCTP][I][sctp_get_sockinfo] rwnd .........: 106496 [SCTP][I][sctp_get_sockinfo] peer info : [SCTP][I][sctp_get_sockinfo] state ....: 2 [SCTP][I][sctp_get_sockinfo] cwnd .....: 4380 [SCTP][I][sctp_get_sockinfo] srtt .....: 0 [SCTP][I][sctp_get_sockinfo] rto ......: 3000 [SCTP][I][sctp_get_sockinfo] mtu ......: 1500 [SCTP][I][sctp_get_sockinfo] ---------------------- [SCTP][I][sctp_eNB_read_from_socket] Comm up notified for sd 44, assigned assoc_ id 2
The command line parameters of lte-softmodem
- -O file: eNB configuration file (this is the preferred way to pass basic parameters and there are several examples in $OPENAIR_TARGETS/PROJECTS/GENERIC-LTE_EPC/CONF/
- -g LEVEL: set the level of debug for the log generation (-g7 is quite high and useful to trace bugs in the procedures/protocols, -g9 even dumps packets at all levels of the protocol stack)
The command line parameters of lte-softmodem
1. -O file: eNB configuration file (this is the preferred way to pass basic parameters and there are several examples in $OPENAIR_TARGETS/PROJECTS/GENERIC-LTE_EPC/CONF/
Note:
See TracWiki
for help on using the wiki.
