osmo-bts-trx error with tch/h

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/.

Max msuraev at sysmocom.de
Fri Feb 10 15:40:21 UTC 2017


Indeed, there seems to be typo in interleaving table used for TCH/H - 
see gerrit # 1793 for a fix. It doesn't fix CRC and call issues though 
so either I misread the spec or there are more errors on top of it.


On 10.02.2017 12:00, Vadim Yanitskiy wrote:
>
>
> Now we need to find out, where is the bug. There are two assumptions:
>
> 1) The gsm0503_tch_hr_interleave() doesn't initialize the iB[353];
> 2) The gsm0503_tch_burst_map() refers to the value which it shouldn't
>    refer to.
>
>

-- 
Max Suraev <msuraev at sysmocom.de> http://www.sysmocom.de/
=======================================================================
* sysmocom - systems for mobile communications GmbH
* Alt-Moabit 93
* 10559 Berlin, Germany
* Sitz / Registered office: Berlin, HRB 134158 B
* Geschaeftsfuehrer / Managing Director: Harald Welte




More information about the OpenBSC mailing list