[srslte-users] LimeSDR for PRB 6 for both UE & eNB, No SIB 3

Andre Puschmann andre.puschmann at softwareradiosystems.com
Sat Sep 28 20:12:13 UTC 2019


Can you try to set a rx_gain? Perhaps the SNR is a bit too low. And send
the full logs please.

cheers
andre


On 26/9/19 7:06, Anson Tai wrote:
> Dear All:
> 
>    We are doing related research for Rel-8, Cat-1 (PRB 6) with LimeSDR
> 
> Both Environments are based on master version.
> 
> here is the ue log & ue.conf
> 
> [LOG]
> 
> 04:56:56.836489 [RRC ] [I] Cell found in this frequency. Setting new
> serving cell...
> 
> 04:56:56.837554 [RRC ] [I] Adding PCI=1, earfcn=3650, cell_idx=-1
> 
> 04:56:56.838008 [RRC ] [I] Added neighbour cell EARFCN=3650, PCI=1,
> nof_neighbours=1
> 
> 04:56:56.838261 [RRC ] [I] Neighbours: [pci=1, rsrp=nan]
> 
> 04:56:56.838530 [RRC ] [I] Setting serving cell idx=0, earfcn=3650,
> PCI=1, nof_neighbours=0
> 
> 04:56:56.838770 [RRC ] [I] Cell has no SIB1. Obtaining SIB1
> 
> 04:56:56.839016 [MAC ] [I] [00965] SCHED: Searching for DL dci for
> SI-RNTI window_st=985, window_len=1
> 
> 04:56:56.839275 [RRC ] [I] Instructed MAC to search for SIB1,
> win_start=985, win_len=1, period=20, sched_index=0
> 
> 04:56:56.842840 [RRC ] [I] MEAS:  New measurement earfcn=-1, pci=1
> (serving), rsrp=23.3 dBm.
> 
> 04:56:56.844357 [MAC ] [I] [00985] DL 0 (TB 0):  newTX tbs=18, rv=2,
> ack=OK, ndi=0
> 
> 04:56:56.847566 [RRC ] [I] MEAS:  New measurement earfcn=-1, pci=1
> (serving), rsrp=35.6 dBm.
> 
> 04:56:56.847762 [RLC ] [I] BCCH TXSCH message received.
> 
>              0000: 40 40 04 03 00 07 00 19 b0 18 14 70 10 50 00 01 
> 
>              0010: 82 99 
> 
> 04:56:56.847921 [MAC ] [I] [00999] SCHED: Searching for DL dci for
> SI-RNTI window_st=-1, window_len=-1
> 
> 04:56:56.848013 [RRC ] [I] BCCH - Rx systemInformationBlockType1 (18 B)
> 
> 04:56:56.848077 [RRC ] [I] Processing SIB1 (1/1)
> 
> 04:56:56.848153 [RRC ] [I] SIB1 received, CellID=2817, si_window=20,
> sib2_period=16
> 
> 04:56:56.848186 [MAC ] [I] [01001] BSR:   triggered_bsr_type=0, LCID
> QUEUE status: 0: 0 1: 0 
> 
> 04:56:56.848312 [NAS ] [I] Found PLMN:  Id=00101, TAC=7
> 
> Found PLMN:  Id=00101, TAC=7
> 
> 04:56:56.848357 [NAS ] [I] Selecting Home PLMN Id=00101
> 
> 04:56:56.848389 [RRC ] [I] PLMN Selected 00101
> 
> 04:56:56.848428 [NAS ] [I] Generating attach request
> 
> 04:56:56.848461 [NAS ] [I] Generating PDN Connectivity Request
> 
> 04:56:56.848499 [NAS ] [I] Requesting IMSI attach (IMSI=001010123456789)
> 
> 04:56:56.848800 [RRC ] [I] Initiation of Connection establishment procedure
> 
> 04:56:56.849549 [RRC ] [I] Set PDSCH-Config p_a=dB0
> 
> 04:56:56.849600 [RRC ] [I] Set MAC default configuration
> 
> 04:56:56.849634 [MAC ] [I] [01003] BSR:   Configured timer reTX 2560 ms
> 
> 04:56:56.849668 [RRC ] [I] Set MAC main config: harq-MaxReTX=5,
> bsr-TimerReTX=2560, bsr-TimerPeriodic=-1
> 
> 04:56:56.849701 [RRC ] [I] Configuring serving cell...
> 
> 04:56:56.850004 [RRC ] [I] Cell has SIB1
> 
> 04:56:56.850059 [RRC ] [I] Cell has no SIB2. Obtaining SIB2
> 
> 04:56:56.850304 [MAC ] [I] [01004] SCHED: Searching for DL dci for
> SI-RNTI window_st=1120, window_len=20
> 
> 04:56:56.850356 [RRC ] [I] Instructed MAC to search for SIB2,
> win_start=1120, win_len=20, period=16, sched_index=0
> 
> 04:56:56.861054 [RRC ] [I] MEAS:  New measurement earfcn=-1, pci=1
> (serving), rsrp=-49.8 dBm.
> 
> 04:56:56.882038 [RRC ] [I] MEAS:  New measurement earfcn=-1, pci=1
> (serving), rsrp=-54.4 dBm.
> 
> 04:56:56.901354 [RRC ] [I] MEAS:  New measurement earfcn=-1, pci=1
> (serving), rsrp=-58.1 dBm.
> 
> 04:56:56.922365 [RRC ] [I] MEAS:  New measurement earfcn=-1, pci=1
> (serving), rsrp=-55.9 dBm.
> 
> 04:56:56.941744 [RRC ] [I] MEAS:  New measurement earfcn=-1, pci=1
> (serving), rsrp=-57.9 dBm.
> 
> 04:56:56.960903 [RRC ] [I] MEAS:  New measurement earfcn=-1, pci=1
> (serving), rsrp=-57.1 dBm.
> 
> 04:56:56.982305 [MAC ] [I] [01141] DL 0 (TB 0):  newTX tbs=28, rv=2,
> ack=KO, ndi=0
> 
> -- 
> 
> [ue.conf]
> 
> [rf]
> 
> dl_earfcn = 3650
> 
> #dl_freq = 2680e6
> 
> #ul_freq = 2560e6
> 
> freq_offset = 0
> 
> tx_gain = 80
> 
> #rx_gain = 40
> 
> 
> nof_radios = 1
> 
> nof_rx_ant = 1
> 
> 
> 
> device_name = soapy
> 
> device_args = rxant=LNAL,txant=BAND1
> 
> time_adv_nsamples = 40
> 
> burst_preamble_us = auto
> 
> continuous_tx     = auto
> 
> 
> 
> 
> Thankjs you
> Office: +886.82812597  Mobile: +886 986-154449
> 
>    Mail: anson at mogame.com.tw <mailto:anson at mogame.com.tw>
> 
>   MoGaMe Mobile Entertainment Co., Ltd. | www.mogame.com.tw
> <http://www.mogame.com.tw> | http://android-javatai.blogspot.com/ 
> 
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