[srslte-users] Decoding SIB messages

[Antonio Albanese]

Dear Ed,

That was a good hint.

Thank you for your help,
Antonio

Il giorno gio 22 nov 2018 alle ore 10:24 Edward Johnson <edwjoh97 at gmail.com>
ha scritto:

> Dear Antonio,
> in pdsch_ue example, SIB1 messages are founded but not printed. You can
> see it at line 693:
>
> */* We are looking for SIB1 Blocks, search only in appropiate places */*
> *if((sfidx == 5 && (sfn%2)==0) ||mch_table[sfidx] == 1){*
>
> from that, if you perform a successful call to srslte_ue_dl_decode ( aka,
> its return value is bigger than 0), you can print the SIB1 via
> srslte_vec_frpintf_byte.
>
> Hope you can find this helpful.
>
> Regards,
> Ed
>
> On Thu, Nov 22, 2018 at 10:01 AM Antonio Albanese <
> antonioalbanese15 at gmail.com> wrote:
>
>> Hello everyone,
>>
>> I am trying to decode SIB messages originated from a commercial base
>> station by means of srsLTE. The command *pdsch_ue -f xxxxxxxx -r fffe *returns
>> the following:
>>
>> Setting sampling rate 11.52 MHz
>>>  - PCI:             142   3.5, FrameCnt: 0, State: 1
>>>  - Nof ports:       2
>>>  - CP:              Normal
>>>  - PRB:             50
>>>  - PHICH Length:    Normal
>>>  - PHICH Resources: 1
>>>  - SFN:             1008
>>> Decoded MIB. SFN: 1008, offset: 2
>>>     Tx scheme: Single
>>>    nof layers: 0
>>> nof codewords: 0
>>>           CFO: +303.15 Hz
>>>          RSRP: +30.8 dBm |  -inf dBm
>>>           SNR:  +0.2 dB |  -inf dB
>>>            Rb:   0.00 /   0.00 /   0.00 Mbps (net/maximum/processing)
>>>    PDCCH-Miss: 100.00%
>>>    PDSCH-BLER:  -nan%
>>>          TB 0: mcs=0; tbs=0
>>>          TB 1: mcs=0; tbs=0
>>>
>>> Press enter maximum printing debug log of 1 subframe.
>>>
>>>     Tx scheme: Diversity
>>>    nof layers: 2
>>> nof codewords: 1
>>>           CFO: +1113.80 Hz
>>>          RSRP: +37.1 dBm |  -inf dBm
>>>           SNR:  +2.3 dB |  -inf dB
>>>            Rb:   0.00 /   0.00 /   0.00 Mbps (net/maximum/processing)
>>>    PDCCH-Miss: 99.63%
>>>    PDSCH-BLER:  7.89%
>>>          TB 0: mcs=2; tbs=72
>>>          TB 1: mcs=0; tbs=0
>>>
>>> Press enter maximum printing debug log of 1 subframe.
>>>
>>
>>
>> As I read this command should print MIB and at least SIB1 messages but it
>> is not working as expected. Can you help me with this issue? My final goal
>> is to decode SIB 4 and 5 messages, editing this example as soon as I make
>> it work.
>>
>>
>> Thank you for your time,
>> Antonio
>> _______________________________________________
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>>
>
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