estimate distance

This is merely a historical archive of years 2008-2021, before the migration to mailman3.

A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/OpenBSC@lists.osmocom.org/.

sami sami.0jacob0 at gmail.com
Thu Nov 3 08:11:12 UTC 2016


Hi Keith,

Thanks for your help, I will try it !

Best regards,
Sami,

On Nov 2, 2016, at 9:07 PM, Keith Whyte <keith at rhizomatica.org> wrote:

> On 02/11/16 13:01, sami wrote:
> 
>> Hi,
>> 
>> Is there a function in OpenBSC that can help in estimating the diastase of the connected phone ? For example, something that gives the value of the power received by the phone from the BTS and the power received by the BTS from the phone (during paging or active call).
>> 
>> best regards,
> Hi sami. You can see those uplink and downlink power levels with 'show
> lchan' in OpenBSC.
> For example:
> 
>  Measurement Report:
>    Flags: 
>    L1 MS Power: 33 dBm, Timing Advance: 9
>    RXL-FULL-dl:  -86 dBm, RXL-SUB-dl:  -87 dBm RXQ-FULL-dl: 0,
> RXQ-SUB-dl: 0
>    RXL-FULL-ul:  -87 dBm, RXL-SUB-ul:  -47 dBm RXQ-FULL-ul: 0,
> RXQ-SUB-ul: 0
> 
> There you will also see "Timing Advance" although I'm not sure how
> exactly to interpret that. Maybe somebody else might comment. I'm also
> not sure what RXQ is, although I've seen those numbers increase when I
> use very low power levels in osmotrx and move the MS away from the USRP,
> so I presume it's an indicator of RF errors?
> I'll take the opportunity to also ask for clarification on that :)
> 
> 
> 




More information about the OpenBSC mailing list