Re: URGENT: range 1024/512/256 encoding of neighbor cell list required - OpenBSC

26 Dec 2009

Hello Harald,

On Sat, 26 Dec 2009 00:40:05 +0100, "Harald Welte" &lt;laforge(a)gnumonks.org&gt;
wrote:
...

 If anyone understands (and/or has time to implement) the specification
 in GSM TS 04.08 10.5.2.13.3 / 10.5.2.13.4 / 10.5.2.13.5, or even the full
 algorithm as specified in "Annex J: Algorithm to encode frequency list
 information elements", I would be extremely grateful. 
Sorry, no time to code the algorithm, however here is a handcrafted
list:

   0x83, 0x64, 0x5C, 0x00, 0xFF, 0x3F, 0xC0, 0x00, 
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 

It contains ARFCN 536, 540, 868, 870 und 871, I have not yet checked it
with a phone.

I guess its OK to use it for all five BTS units, T-Mobile also includes
the main BCCH ARFCN in the neighbor cell list, at least here in my area,
so this should work for us too.

Best regards,
  Dieter
-- 
Dieter Spaar, Germany                           spaar(a)mirider.augusta.de