Some progress and some questions....corrected

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Gullik Webjorn gullik.webjorn at corevalue.se
Thu Jan 10 21:37:09 UTC 2019


Sorry to clutter the list......last was a cut'n'paste error....

Gullik

On 2019-01-10 22:31, Gullik Webjorn wrote:
>
> I have now built osmo-trx-lms and osmo-bts-trx from source on an i386 
> platform.
>
> I have beacon, and two phones registered, the configuration from msc 
> and up is the one
>
> I had three weeks ago, which more or less worked, but with large 
> stability problems.
>
> I guess *this* report is the most interesting for you now....
>
> I build from the "master", and target debian9 on i386.
>
>
> I have not been able to make a call yet, possibly because I might have 
> messed up some
>
> library the MSC is dependent on, but I will work on that.
>
> What is interesting is that bts 0 trx 0 is running trx-uhd with a 
> B100, and seems quite stable.
>
> Moreover, bts 1 trx 0 is running on the i386 and seems happy so far, 
> after 30 minutes.
>
> This is Limesdr mini.
>
>
> I have just copied the bts0 to trx 0 section from my original config, 
> duplicated it and changed
>
> bts0 to bts1, and the ipa unit-id 1805 0, and of course the ip addresses.
>
> I will comment the various lines in my configs, as I have understood 
> them, and look forward to your
>
> comments, or maybe a keyword list explaining what each parameter is 
> used for.
>
>
> ! osmo-bsc default configuration
> ! (assumes STP to run on 127.0.0.1 and uses default point codes)
> !
> e1_input
>  e1_line 0 driver ipa
> network
>  network country code 1
>  mobile network code 1
>  encryption a5 0
>  neci 1
>  paging any use tch 0
>  handover 0
>  handover algorithm 1
>  handover1 window rxlev averaging 10
>  handover1 window rxqual averaging 1
>  handover1 window rxlev neighbor averaging 10
>  handover1 power budget interval 6
>  handover1 power budget hysteresis 3
>  handover1 maximum distance 9999
>  dyn_ts_allow_tch_f 0
>  periodic location update 30
> *bts 0**
> *** type sysmobts
>   band DCS1800
>   cell_identity 0
>   location_area_code 1
>   base_station_id_code 63
>   ms max power 15
>   cell reselection hysteresis 4
>   rxlev access min 0
>   radio-link-timeout 32
>   channel allocator ascending
>   rach tx integer 9
>   rach max transmission 7
>   channel-descrption attach 1
>   channel-descrption bs-pa-mfrms 5
>   channel-descrption bs-ag-blks-res 1
>   early-classmark-sending forbidden
> *  ip.access unit_id 1801 0**
> *  oml ip.access stream_id 255 line 0
>   codec-support fr
>   gprs mode none
>   trx 0
>    rf_locked 0
> *   arfcn 871**
> *   nominal power 20
>    ! to use full TRX power, set max_power_red 0
>    max_power_red 3
>    rsl e1 tei 0
>    timeslot 0
>     phys_chan_config CCCH+SDCCH4
>     hopping enabled 0
>    timeslot 1
>     phys_chan_config TCH/F
>     hopping enabled 0
>    timeslot 2
>     phys_chan_config TCH/F
>     hopping enabled 0
>    timeslot 3
>     phys_chan_config TCH/F
>     hopping enabled 0
>    timeslot 4
>     phys_chan_config TCH/F
>     hopping enabled 0
>    timeslot 5
>     phys_chan_config TCH/F
>     hopping enabled 0
>    timeslot 6
>     phys_chan_config TCH/F
>     hopping enabled 0
>    timeslot 7
>     phys_chan_config TCH/F
>     hopping enabled 0
> *bts 1**
> *** type sysmobts
>   band DCS1800
>   cell_identity 0
>   location_area_code 1
>   base_station_id_code 63
>   ms max power 15
>   cell reselection hysteresis 4
>   rxlev access min 0
>   radio-link-timeout 32
>   channel allocator ascending
>   rach tx integer 9
>   rach max transmission 7
>   channel-descrption attach 1
>   channel-descrption bs-pa-mfrms 5
>   channel-descrption bs-ag-blks-res 1
>   early-classmark-sending forbidden
> *  ip.access unit_id 1805 0**
> *  oml ip.access stream_id 255 line 0
>   codec-support fr
>   gprs mode none
>   trx 0
>    rf_locked 0
> *   arfcn 881**
> *   nominal power 20
>    ! to use full TRX power, set max_power_red 0
>    max_power_red 3
>    rsl e1 tei 0
>    timeslot 0
>     phys_chan_config CCCH+SDCCH4
>     hopping enabled 0
>    timeslot 1
>     phys_chan_config TCH/F
>     hopping enabled 0
>    timeslot 2
>     phys_chan_config TCH/F
>     hopping enabled 0
>    timeslot 3
>     phys_chan_config TCH/F
>     hopping enabled 0
>    timeslot 4
>     phys_chan_config TCH/F
>     hopping enabled 0
>    timeslot 5
>     phys_chan_config TCH/F
>     hopping enabled 0
>    timeslot 6
>     phys_chan_config TCH/F
>     hopping enabled 0
>    timeslot 7
>     phys_chan_config TCH/F
>     hopping enabled 0
> msc 0
>  no bsc-welcome-text
>  no bsc-msc-lost-text
>  no bsc-grace-text
>  type normal
>  allow-emergency allow
>  amr-config 12_2k forbidden
>  amr-config 10_2k forbidden
>  amr-config 7_95k forbidden
>  amr-config 7_40k forbidden
>  amr-config 6_70k forbidden
>  amr-config 5_90k allowed
>  amr-config 5_15k forbidden
>  amr-config 4_75k forbidden
>  codec-list fr1 fr2 fr3 hr1 hr3
>  mgw remote-ip 127.0.0.1
>  mgw remote-port 2427
>  mgw local-port 2727
>  mgw endpoint-range 1 31
> bsc
>  mid-call-timeout 0
>  no missing-msc-text
>
> Does this look OK to you??
>
> Regards,
>
> Gullik
>
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