Unknown behaviour when signal quality is poor

Alejandro Vega alexvega48 at gmail.com
Mon Dec 14 14:31:34 UTC 2020


Attached logs of the found behaviour and status of the modem before the
signal loss.

Kind regards,
Alejandro

El lun, 14 dic 2020 a las 10:07, Alejandro Vega (<alexvega48 at gmail.com>)
escribió:

> Attached logs
>
>
> El lun, 14 dic 2020 a las 10:05, Alejandro Vega (<alexvega48 at gmail.com>)
> escribió:
>
>> Hello !
>>
>> First of all, thanks in advance for your time and dedication. I am
>> developing an application making use of libmm-glib high level API and
>> running under *ModemManager version 1.10.6*.
>> I am currently experiencing some trouble and I would like to know if the
>> behaviour of the Modem + ModemManager system is the expected one or there
>> is some kind of malfunction somewhere.
>>
>> The problem is that we are experiencing some signal problems around an
>> specific area (particularly, every time that a bus passes by an area where
>> the signal strength is poor). I *attach *the *ModemManager debug logs*
>> of the outward and return journey only when the bus is passing by this
>> area.
>>
>> Regarding this, we have the following doubts:
>>
>>    - Is the behaviour of the ModemManager the expected one ? Our
>>    application queries the ModemManager to scan for devices periodically, can
>>    this cause an unexpected behaviour ?
>>    - We are using a "global" M2M card which should be able to use
>>    different network operators. Is the ModemManager able to switch between
>>    operators in order to achieve better signal strengths ? If this is not the
>>    case, in order to achieve this, how would we need to proceed?
>>
>> Once again,thank you very much.
>>
>>
>> Kind regards,
>>
>> Alejandro Vega
>>
>
>
> --
> Un saludo.
>
> Alejandro Vega
>


-- 
Un saludo.

Alejandro Vega
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