[srslte-users] srsUE with OpenLTE

Ismael Gomez ismael.gomez at softwareradiosystems.com
Fri Jan 8 19:22:14 UTC 2016


Can you try to set a higher value? 11 for instance

On Fri, 8 Jan 2016, 20:11 Павел Щукин <pavel.schukin at gmail.com> wrote:

> Hi, Ismael
> Thank you for your answer!
>
> zeroCorrelationZoneConfig value is set to "1" in OpenLTE SIB2.
> Here are attachment files:
> for srsUE:
> - "ue_earfcn_3100.conf" - config file
> - "ue.log" - text log
> - "ue.pcap" - log for Wireshark
> for OpenLTE
> - "LTE_fdd_enodb.pcap" - log for Wireshark
> - "001_01_Band7_3100" - config file
> I've noticed that enodeb detect preamble id but with TA value in MAC LTE
> RAR(in pcap log of enodeb) is 6, corresponding approx 940m distance between
> enodeb and UE (in my experiment actual distance was 0.5m)... May be this is
> the problem.. My B210s has internal clock references. no GPSDO kits, no
> external 10MHz ref clocks.
>
> P.S.
> Do you test srsUE with OpenLTE? May be some mutual "magic" configuration
> exists for its work together?
>
> P.P.S
> I preformed all examples with srsLTE except for example with video
> brodcasting... This command "avconv -f video4linux2 -i /dev/video0 -c:v
> mp4 -f mpegts tcp://127.0.0.1:2000" says it knows nothing about mp4...
> But codecs was installed.. I'm new in Linux, may be you have some
> instruction for dummies?
>
> Thanks
>
> 2016-01-08 19:41 GMT+03:00 Ismael Gomez <
> ismael.gomez at softwareradiosystems.com>:
>
>> Hi Pavel, sorry for the late answer.
>>
>> What is the zeroCorrelationZoneConfig value in SIB2 in the eNodeB? You
>> should use a large value otherwise the cell is too small and the delay
>> introduced by the USRP (which is not compensated yet) makes the eNodeB to
>> detect an incorrect preamble ID.
>>
>> To verify this is the problem, can you enable MAC debug in the UE
>> configuration and send the ENB log as well?
>>
>> thanks
>>
>> On Fri, 1 Jan 2016 at 22:32 Павел Щукин <pavel.schukin at gmail.com> wrote:
>>
>>> Hello,
>>> I use srsUE running on i7 notebook with USRP B210 (two antennas) as UE
>>> and OpenLTE running on i7 notebook with USRP B210 as eNB (two antennas).
>>>
>>> OpenLTE configuration is:
>>> band = 3
>>> bandwidth =5
>>> dl_earfcn =1375
>>> mcc =001
>>> mnc =01
>>> tx_gain =86
>>> rx_gain =30
>>> debug_level =rrc
>>> debug_type=warning info debug
>>> enable_pcap=1
>>> other config - default
>>>
>>> srsLTE configuration is:
>>> dl_freq = 1822500000
>>> ul_freq = 1727500000
>>> ...
>>> [pcap]
>>> enable_pcap = 1
>>> ...
>>> other config is as in example file "ue.conf.example"
>>>
>>> 1. First, i try to connect UE with operator's sim to eNB and get such
>>> log in terminal at 30001 port of eNB
>>> 01/02/2016 00:10:52.210251 info rrc LTE_fdd_enb_rrc.cc 237 Received PDU
>>> for RNTI=61 and RB=SRB0 5A4133AD9846
>>> 01/02/2016 00:10:52.210363 info rrc LTE_fdd_enb_rrc.cc 537 Received RRC
>>> Connection Request for RNTI=61, RB=SRB0
>>> 01/02/2016 00:10:52.210448 info rrc LTE_fdd_enb_rrc.cc 898 Sending RRC
>>> Connection Setup for RNTI=61, RB=SRB0 60121B24098
>>> 01/02/2016 00:10:52.261561 info rrc LTE_fdd_enb_rrc.cc 237 Received PDU
>>> for RNTI=61 and RB=SRB1
>>> 2000400E82E410520A412CA02AE20C0BC1C0000010000A040BA023A32022069E3141E2
>>> 01/02/2016 00:10:52.261876 info rrc LTE_fdd_enb_rrc.cc 602 Received RRC
>>> Connection Setup Complete for RNTI=61, RB=SRB1
>>> 01/02/2016 00:10:52.262733 info rrc LTE_fdd_enb_rrc.cc 288 Received NAS
>>> message for RNTI=61 and RB=SRB1 074402
>>> 01/02/2016 00:10:52.262894 info rrc LTE_fdd_enb_rrc.cc 689 Sending DL
>>> Info Transfer for RNTI=61, RB=SRB1 0800183A2010
>>> 01/02/2016 00:10:52.263064 info rrc LTE_fdd_enb_rrc.cc 317 Received MME
>>> command Release for RNTI=61 and RB=SRB1
>>> 01/02/2016 00:10:52.263107 info rrc LTE_fdd_enb_rrc.cc 845 Sending RRC
>>> Connection Release for RNTI=61, RB=SRB1 2802
>>> So I supposed eNb is OK!
>>>
>>> 2. Then i start UE: sudo ./ue ue.conf and
>>> Searching for cell...
>>> Found CELL ID: 0 CP: Normal  , CFO: 1.1 KHz.
>>> Trying to decode MIB...
>>>  - Cell ID:         0
>>>  - Nof ports:       1
>>>  - CP:              Normal
>>>  - PRB:             25
>>>  - PHICH Length:    Normal
>>>  - PHICH Resources: 1
>>>  - SFN:             0
>>> MIB received BW=5 MHz
>>> Setting Sampling frequency 5.76 MHz
>>> SIB1 received, CellID=1,  PLMN Id: MCC 1 MNC 1
>>> SIB2 received
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> Random Access Transmission: seq=0, ra-rnti=2
>>> Random Access Transmission: seq=1, ra-rnti=2
>>> Random Access Transmission: seq=2, ra-rnti=2
>>> and that all,..
>>> I open ue.pcap file in wireshark with mac-lte-framed dissector but there
>>> are only strange RRCConnectionReestablishment messages, and there are NO
>>> RRC messages in terminal at 30001 port of eNB
>>> I attached ue.pcap and ue.log.
>>> Can you help me with this problem?
>>> Thank you.
>>> --
>>> BR,
>>> Pavel
>>> _______________________________________________
>>> srslte-users mailing list
>>> srslte-users at lists.softwareradiosystems.com
>>> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
>>>
>>
>
>
> --
> С уважением,
> Павел Щукин
>
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