[srsran-users] OnePlus 10 pro cannot finish the RRC connection
Tu Kai
tukai2259 at gmail.com
Thu Oct 27 03:38:32 UTC 2022
Dear srsRAN community,
Hello!
I followed this note
<https://docs.srsran.com/en/latest/app_notes/source/5g_sa_COTS/source/index.html>,
The
srsenb and Open5GS works properly, and I have 2 COTS UE can successfully
connect to it.
But for my OnePlus 10 pro, it can see the 5G SA cell and send several RACH
messages, but cannot finish the RRC procedure as shown in the pcap,
although I have decrease both of nr_pdsch_mcs and nr_pusch_mcs to 3 at
enb.conf.
Below is my setup:
Core network: Open5GS running on Ubuntu 20.04
gNB: srsenb
CPU: i7-12700k
USRP: Ettus Research USRP B210 with 2 VERT 900 antennas and a GPSDO
driver: UHD 3.15
COTS UE: OnePlus 10 Pro 5G
Expected Behavior
OnePlus 10 pro connect to 5G SA network successfully.
Actual Behavior
UE can see the 5G cell but can’t connect to 5G SA network successfully,
even cannot finish the RRC procedure. UE is not sending RRC complete
messages.
Additional information
Pcap file and end configuration file are attached. I’m really unsure of how
to proceed from here, any help I’ll appreciate!
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#####################################################################
# srsENB configuration file
#####################################################################
#####################################################################
# eNB configuration
#
# enb_id: 20-bit eNB identifier.
# mcc: Mobile Country Code
# mnc: Mobile Network Code
# mme_addr: IP address of MME for S1 connnection
# gtp_bind_addr: Local IP address to bind for GTP connection
# gtp_advertise_addr: IP address of eNB to advertise for DL GTP-U Traffic
# s1c_bind_addr: Local IP address to bind for S1AP connection
# s1c_bind_port: Source port for S1AP connection (0 means any)
# n_prb: Number of Physical Resource Blocks (6,15,25,50,75,100)
# tm: Transmission mode 1-4 (TM1 default)
# nof_ports: Number of Tx ports (1 port default, set to 2 for TM2/3/4)
#
#####################################################################
[enb]
enb_id = 0x19B
mcc = 001
mnc = 01
mme_addr = 127.0.0.5
gtp_bind_addr = 127.0.1.1
s1c_bind_addr = 127.0.1.1
s1c_bind_port = 0
n_prb = 50
#tm = 4
#nof_ports = 2
#####################################################################
# eNB configuration files
#
# sib_config: SIB1, SIB2 and SIB3 configuration file
# note: When enabling MBMS, use the sib.conf.mbsfn configuration file which includes SIB13
# rr_config: Radio Resources configuration file
# rb_config: SRB/DRB configuration file
#####################################################################
[enb_files]
sib_config = sib.conf
rr_config = rr.conf
rb_config = rb.conf
#####################################################################
# RF configuration
#
# dl_earfcn: EARFCN code for DL (only valid if a single cell is configured in rr.conf)
# tx_gain: Transmit gain (dB).
# rx_gain: Optional receive gain (dB). If disabled, AGC if enabled
#
# Optional parameters:
# dl_freq: Override DL frequency corresponding to dl_earfcn
# ul_freq: Override UL frequency corresponding to dl_earfcn (must be set if dl_freq is set)
# device_name: Device driver family
# Supported options: "auto" (uses first driver found), "UHD", "bladeRF", "soapy", "zmq" or "Sidekiq"
# device_args: Arguments for the device driver. Options are "auto" or any string.
# Default for UHD: "recv_frame_size=9232,send_frame_size=9232"
# Default for bladeRF: ""
# time_adv_nsamples: Transmission time advance (in number of samples) to compensate for RF delay
# from antenna to timestamp insertion.
# Default "auto". B210 USRP: 100 samples, bladeRF: 27
#####################################################################
[rf]
#dl_earfcn = 3350
tx_gain = 80
rx_gain = 40
#device_name = auto
# For best performance in 2x2 MIMO and >= 15 MHz use the following device_args settings:
# USRP B210: num_recv_frames=64,num_send_frames=64
# And for 75 PRBs, also append ",master_clock_rate=15.36e6" to the device args
# For best performance when BW<5 MHz (25 PRB), use the following device_args settings:
# USRP B210: send_frame_size=512,recv_frame_size=512
#device_args = auto
device_args = clock=gpsdo
#time_adv_nsamples = auto
# Example for ZMQ-based operation with TCP transport for I/Q samples
device_name = uhd
# device_args = fail_on_disconnect=true,tx_port=tcp://*:2000,rx_port=tcp://localhost:2001,id=enb,base_srate=11.52e6
#####################################################################
# Packet capture configuration
#
# MAC-layer packets are captured to a file in the compact format which can
# be decoded by Wireshark. For decoding, use the UDP dissector and the UDP
# heuristic dissection. Edit the preferences (Edit > Preferences >
# Protocols > DLT_USER) for DLT_USER to add an entry for DLT=149 with
# Protocol=udp. Further, enable the heuristic dissection in UDP under:
# Analyze > Enabled Protocols > MAC-LTE > mac_lte_udp and MAC-NR > mac_nr_udp
# For more information see: https://wiki.wireshark.org/MAC-LTE
# Configuring this Wireshark preferences is needed for decoding the MAC PCAP
# files as well as for the live network capture option.
#
# Please note that this setting will by default only capture MAC
# frames on dedicated channels, and not SIB. You have to build with
# WRITE_SIB_PCAP enabled in srsenb/src/stack/mac/mac.cc if you want
# SIB to be part of the MAC pcap file.
#
# S1AP Packets are captured to a file in the compact format which can
# be decoded by the Wireshark s1ap dissector with DLT 150.
# To use the dissector, edit the preferences for DLT_USER to
# add an entry with DLT=150, Payload Protocol=s1ap.
#
# mac_enable: Enable MAC layer packet captures (true/false)
# filename: File path to use for LTE MAC packet captures
# nr_filename: File path to use for NR MAC packet captures
# s1ap_enable: Enable or disable the PCAP.
# s1ap_filename: File name where to save the PCAP.
#
# mac_net_enable: Enable MAC layer packet captures sent over the network (true/false default: false)
# bind_ip: Bind IP address for MAC network trace (default: "0.0.0.0")
# bind_port: Bind port for MAC network trace (default: 5687)
# client_ip: Client IP address for MAC network trace (default: "127.0.0.1")
# client_port Client IP address for MAC network trace (default: 5847)
#####################################################################
[pcap]
enable = true
filename = /tmp/enb_mac.pcap
#nr_filename = /tmp/enb_mac_nr.pcap
s1ap_enable = true
s1ap_filename = /tmp/enb_s1ap.pcap
#mac_net_enable = false
#bind_ip = 0.0.0.0
#bind_port = 5687
#client_ip = 127.0.0.1
#client_port = 5847
#####################################################################
# Log configuration
#
# Log levels can be set for individual layers. "all_level" sets log
# level for all layers unless otherwise configured.
# Format: e.g. phy_level = info
#
# In the same way, packet hex dumps can be limited for each level.
# "all_hex_limit" sets the hex limit for all layers unless otherwise
# configured.
# Format: e.g. phy_hex_limit = 32
#
# Logging layers: rf, phy, phy_lib, mac, rlc, pdcp, rrc, gtpu, s1ap, stack, all
# Logging levels: debug, info, warning, error, none
#
# filename: File path to use for log output. Can be set to stdout
# to print logs to standard output
# file_max_size: Maximum file size (in kilobytes). When passed, multiple files are created.
# If set to negative, a single log file will be created.
#####################################################################
[log]
all_level = warning
all_hex_limit = 32
filename = /tmp/enb.log
file_max_size = -1
[gui]
enable = false
#####################################################################
# Scheduler configuration options
#
# sched_policy: User MAC scheduling policy (E.g. time_rr, time_pf)
# min_aggr_level: Optional minimum aggregation level index (l=log2(L) can be 0, 1, 2 or 3)
# max_aggr_level: Optional maximum aggregation level index (l=log2(L) can be 0, 1, 2 or 3)
# adaptive_aggr_level: Boolean flag to enable/disable adaptive aggregation level based on target BLER
# pdsch_mcs: Optional fixed PDSCH MCS (ignores reported CQIs if specified)
# pdsch_max_mcs: Optional PDSCH MCS limit
# pusch_mcs: Optional fixed PUSCH MCS (ignores reported CQIs if specified)
# pusch_max_mcs: Optional PUSCH MCS limit
# min_nof_ctrl_symbols: Minimum number of control symbols
# max_nof_ctrl_symbols: Maximum number of control symbols
# pucch_multiplex_enable: Allow PUCCH HARQ to collide with PUSCH and other PUCCH
# pucch_harq_max_rb: Maximum number of RB to be used for PUCCH on the edges of the grid.
# If defined and greater than 0, the scheduler will avoid DL PDCCH allocations if
# PUCCH HARQ falls outside this region
# target_bler: Target BLER (in decimal) to achieve via adaptive link
# max_delta_dl_cqi: Maximum shift in CQI for adaptive DL link
# max_delta_ul_snr: Maximum shift in UL SNR for adaptive UL link
# adaptive_dl_mcs_step_size: Step size or learning rate used in adaptive DL MCS link
# adaptive_ul_mcs_step_size: Step size or learning rate used in adaptive UL MCS link
# min_tpc_tti_interval: Minimum TTI interval between TPCs different than 1
# ul_snr_avg_alpha: Exponential Average alpha coefficient used in estimation of UL SNR
# init_ul_snr_value: Initial UL SNR value used for computing MCS in the first UL grant
# init_dl_cqi: DL CQI value used before any CQI report is available to the eNB
# max_sib_coderate: Upper bound on SIB and RAR grants coderate
# pdcch_cqi_offset: CQI offset in derivation of PDCCH aggregation level
# nr_pdsch_mcs: Optional fixed NR PDSCH MCS (ignores reported CQIs if specified)
# nr_pusch_mcs: Optional fixed NR PUSCH MCS (ignores reported CQIs if specified)
#
#####################################################################
[scheduler]
#policy = time_pf
#policy_args = 2
#min_aggr_level = 0
#max_aggr_level = 3
#adaptive_aggr_level = false
#pdsch_mcs = -1
#pdsch_max_mcs = -1
#pusch_mcs = -1
#pusch_max_mcs = 16
#min_nof_ctrl_symbols = 1
#max_nof_ctrl_symbols = 3
#pucch_multiplex_enable = false
#pucch_harq_max_rb = 0
#target_bler = 0.05
#max_delta_dl_cqi = 5
#max_delta_ul_snr = 5
#adaptive_dl_mcs_step_size = 0.001
#adaptive_ul_mcs_step_size = 0.001
#min_tpc_tti_interval = 1
#ul_snr_avg_alpha=0.05
#init_ul_snr_value=5
#init_dl_cqi=5
#max_sib_coderate=0.3
#pdcch_cqi_offset=0
nr_pdsch_mcs=2
nr_pusch_mcs=2
#####################################################################
# eMBMS configuration options
#
# enable: Enable MBMS transmission in the eNB
# m1u_multiaddr: Multicast address the M1-U socket will register to
# m1u_if_addr: Address of the interface the M1-U interface will listen to for multicast packets
# mcs: Modulation and Coding scheme for MBMS traffic
#
#####################################################################
[embms]
#enable = false
#m1u_multiaddr = 239.255.0.1
#m1u_if_addr = 127.0.1.201
#mcs = 20
#####################################################################
# Channel emulator options:
# enable: Enable/disable internal Downlink/Uplink channel emulator
#
# -- AWGN Generator
# awgn.enable: Enable/disable AWGN generator
# awgn.snr: Target SNR in dB
#
# -- Fading emulator
# fading.enable: Enable/disable fading simulator
# fading.model: Fading model + maximum doppler (E.g. none, epa5, eva70, etu300, etc)
#
# -- Delay Emulator delay(t) = delay_min + (delay_max - delay_min) * (1 + sin(2pi*t/period)) / 2
# Maximum speed [m/s]: (delay_max - delay_min) * pi * 300 / period
# delay.enable: Enable/disable delay simulator
# delay.period_s: Delay period in seconds
# delay.init_time_s: Delay initial time in seconds
# delay.maximum_us: Maximum delay in microseconds
# delay.minumum_us: Minimum delay in microseconds
#
# -- Radio-Link Failure (RLF) Emulator
# rlf.enable: Enable/disable RLF simulator
# rlf.t_on_ms: Time for On state of the channel (ms)
# rlf.t_off_ms: Time for Off state of the channel (ms)
#
# -- High Speed Train Doppler model simulator
# hst.enable: Enable/disable HST simulator
# hst.period_s: HST simulation period in seconds
# hst.fd_hz: Doppler frequency in Hz
# hst.init_time_s: Initial time in seconds
#####################################################################
[channel.dl]
#enable = false
[channel.dl.awgn]
#enable = false
#snr = 30
[channel.dl.fading]
#enable = false
#model = none
[channel.dl.delay]
#enable = false
#period_s = 3600
#init_time_s = 0
#maximum_us = 100
#minimum_us = 10
[channel.dl.rlf]
#enable = false
#t_on_ms = 10000
#t_off_ms = 2000
[channel.dl.hst]
#enable = false
#period_s = 7.2
#fd_hz = 750.0
#init_time_s = 0.0
[channel.ul]
#enable = false
[channel.ul.awgn]
#enable = false
#n0 = -30
[channel.ul.fading]
#enable = false
#model = none
[channel.ul.delay]
#enable = false
#period_s = 3600
#init_time_s = 0
#maximum_us = 100
#minimum_us = 10
[channel.ul.rlf]
#enable = false
#t_on_ms = 10000
#t_off_ms = 2000
[channel.ul.hst]
#enable = false
#period_s = 7.2
#fd_hz = -750.0
#init_time_s = 0.0
#####################################################################
# CFR configuration options
#
# The CFR module provides crest factor reduction for the transmitted signal.
#
# enable: Enable or disable the CFR. Default: disabled
#
# mode: manual: CFR threshold is set by cfr_manual_thres (default).
# auto_ema: CFR threshold is adaptive based on the signal PAPR. Power avg. with Exponential Moving Average.
# The time constant of the averaging can be tweaked with the ema_alpha parameter.
# auto_cma: CFR threshold is adaptive based on the signal PAPR. Power avg. with Cumulative Moving Average.
# Use with care, as CMA's increasingly slow response may be unsuitable for most use cases.
#
# strength: Ratio between amplitude-limited vs unprocessed signal (0 to 1). Default: 1
# manual_thres: Fixed manual clipping threshold for CFR manual mode. Default: 0.5
# auto_target_papr: Signal PAPR target (in dB) in CFR auto modes. output PAPR can be higher due to peak smoothing. Default: 8
# ema_alpha: Alpha coefficient for the power average in auto_ema mode. Default: 1/7
#
#####################################################################
[cfr]
#enable = false
#mode = manual
#manual_thres = 0.5
#strength = 1
#auto_target_papr = 8
#ema_alpha = 0.0143
#####################################################################
# Expert configuration options
#
# pusch_max_its: Maximum number of turbo decoder iterations (default: 4)
# nr_pusch_max_its: Maximum number of LDPC iterations for NR (Default 10)
# pusch_8bit_decoder: Use 8-bit for LLR representation and turbo decoder trellis computation (experimental)
# nof_phy_threads: Selects the number of PHY threads (maximum: 4, minimum: 1, default: 3)
# metrics_period_secs: Sets the period at which metrics are requested from the eNB
# metrics_csv_enable: Write eNB metrics to CSV file.
# metrics_csv_filename: File path to use for CSV metrics
# report_json_enable: Write eNB report to JSON file (default: disabled)
# report_json_filename: Report JSON filename (default: /tmp/enb_report.json)
# report_json_asn1_oct: Prints ASN1 messages encoded as an octet string instead of plain text in the JSON report file
# alarms_log_enable: Enable Alarms logging (default: disabled)
# alarms_filename: Alarms logging filename (default: /tmp/alarms.log)
# tracing_enable: Write source code tracing information to a file
# tracing_filename: File path to use for tracing information
# tracing_buffcapacity: Maximum capacity in bytes the tracing framework can store
# stdout_ts_enable: Prints once per second the timestamp into stdout
# tx_amplitude: Transmit amplitude factor (set 0-1 to reduce PAPR)
# rrc_inactivity_timer Inactivity timeout used to remove UE context from RRC (in milliseconds)
# max_mac_dl_kos: Maximum number of consecutive KOs in DL before triggering the UE's release (default: 100)
# max_mac_ul_kos: Maximum number of consecutive KOs in UL before triggering the UE's release (default: 100)
# max_prach_offset_us: Maximum allowed RACH offset (in us)
# nof_prealloc_ues: Number of UE memory resources to preallocate during eNB initialization for faster UE creation (default: 8)
# rlf_release_timer_ms: Time taken by eNB to release UE context after it detects an RLF
# eea_pref_list: Ordered preference list for the selection of encryption algorithm (EEA) (default: EEA0, EEA2, EEA1)
# eia_pref_list: Ordered preference list for the selection of integrity algorithm (EIA) (default: EIA2, EIA1, EIA0)
# gtpu_tunnel_timeout: Time that GTPU takes to release indirect forwarding tunnel since the last received GTPU PDU (0 for no timer)
# ts1_reloc_prep_timeout: S1AP TS 36.413 TS1RelocPrep Expiry Timeout value in milliseconds
# ts1_reloc_overall_timeout: S1AP TS 36.413 TS1RelocOverall Expiry Timeout value in milliseconds
# rlf_release_timer_ms: Time taken by eNB to release UE context after it detects a RLF
# rlf_min_ul_snr_estim: SNR threshold in dB below which the enb is notified with RLF ko
# s1_setup_max_retries: Maximum amount of retries to setup the S1AP connection. If this value is exceeded, an alarm is written to the log. -1 means infinity.
# rx_gain_offset: RX Gain offset to add to rx_gain to calibrate RSRP readings
#####################################################################
[expert]
#pusch_max_its = 8 # These are half iterations
#nr_pusch_max_its = 10
#pusch_8bit_decoder = false
#nof_phy_threads = 3
#metrics_period_secs = 1
#metrics_csv_enable = false
#metrics_csv_filename = /tmp/enb_metrics.csv
#report_json_enable = true
#report_json_filename = /tmp/enb_report.json
#report_json_asn1_oct = false
#alarms_log_enable = true
#alarms_filename = /tmp/enb_alarms.log
#tracing_enable = true
#tracing_filename = /tmp/enb_tracing.log
#tracing_buffcapacity = 1000000
#stdout_ts_enable = false
#tx_amplitude = 0.6
rrc_inactivity_timer = 600000
#max_mac_dl_kos = 100
#max_mac_ul_kos = 100
#max_prach_offset_us = 30
#nof_prealloc_ues = 8
#rlf_release_timer_ms = 4000
#lcid_padding = 3
#eea_pref_list = EEA0, EEA2, EEA1
#eia_pref_list = EIA2, EIA1, EIA0
#gtpu_tunnel_timeout = 0
#extended_cp = false
#ts1_reloc_prep_timeout = 10000
#ts1_reloc_overall_timeout = 10000
#rlf_release_timer_ms = 4000
#rlf_min_ul_snr_estim = -2
#s1_setup_max_retries = -1
#rx_gain_offset = 62
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