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Re: [Openbts-discuss] Dealing with high SMS loads (Danny Iland)
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From: Danny I. <il...@cs...> - 2015-01-23 16:57:05
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Thank you Ralph and Csaba, I will see if combination VII works for me! Danny On Jan 23, 2015 5:12 AM, "Ralph A. Schmid, dk5ras" <ra...@sc...> wrote: > Yep, this is what I had in mind, I remember that I touched this a time ago > :) > > Ralph. > > > -----Original Message----- > > From: Sipos Csaba [mailto:sip...@kv...] > > Sent: Friday, January 23, 2015 1:38 PM > > To: ope...@li... > > Subject: Re: [Openbts-discuss] Dealing with high SMS loads (Danny Iland) > > > > Hi Danny, > > > > According to the application note OpenBTS supports Combination VII: 8 > > SDCCH + 8 SACCH channels. With that, you can greatly imporve the > signalling > > capacity of your system (which includes SMS capacity), but with every > plus > > VII. timselot you will loose one TCH/F chanel (voice capacity). > > > > http://openbts.org/site/wp-content/uploads/2014/07/OpenBTS-4.0- > > Manual.pdf > > > > If you want to handle lot of SMS and registratons, you need to set the > > following config value: > > > > GSM.Channels.NumC7s > > > > The default value is "auto", ins this mode no VII. timeslot is > configured. > > > > To convert one TCH/F to SDCCH8 uset his command: > > > > rawconfig GSM.Channels.NumC7s 1 > > > > You will need to restart OpenBTS! > > > > With the aboce change you will going to have a lot more SMS capacity. You > > can check the timelsot combination with "chans -a" command: > > > > OpenBTS> chans -a > > CN TN chan transaction Signal SNR FER TA TXPWR RXLEV_DL BER_DL > > Time IMSI > > type id dB pct sym dBm dBm pct > > 0 0 SDCCH/4-0 - 0 0.00 - - - - > 0:0 no-MMChannel > > 0 0 SDCCH/4-1 - 0 0.00 - - - - > 0:0 no-MMChannel > > 0 0 SDCCH/4-2 - 0 0.00 - - - - > 0:0 no-MMChannel > > 0 0 SDCCH/4-3 - 4.08 0.00 - - - - > 0:0 no-MMChannel > > 0 1 SDCCH/8-0 - 0 0.00 - - - - > 0:0 no-MMChannel > > 0 1 SDCCH/8-1 - 0 0.00 - - - - > 0:0 no-MMChannel > > 0 1 SDCCH/8-2 - 0 0.00 - - - - > 0:0 no-MMChannel > > 0 1 SDCCH/8-3 - 0 0.00 - - - - > 0:0 no-MMChannel > > 0 1 SDCCH/8-4 - 0 0.00 - - - - > 0:0 no-MMChannel > > 0 1 SDCCH/8-5 - 7.16 0.00 - - - - > 0:0 no-MMChannel > > 0 1 SDCCH/8-6 - 0 0.00 - - - - > 0:0 no-MMChannel > > 0 1 SDCCH/8-7 - 0 0.00 - - - - > 0:0 no-MMChannel > > 0 2 TCH/F GPRS > > 0 3 TCH/F GPRS > > 0 4 TCH/F GPRS > > 0 5 TCH/F GPRS > > 0 6 TCH/F GPRS > > 0 7 TCH/F GPRS > > > > As you can see, the first timeslot is now converted to SDCCH/8. > > > > If you need even more SMS capacity: > > > > rawconfig GSM.Channels.NumC7s 2 > > > > Please note, that with this you will loose voice and GPRS capacity: the > more > > VII. timeslot you create, the more voice and GPRS capacity will be lost, > so be > > careful! > > > > Regards, > > Csaba > > > > > > ---------------------------------------------------------------------------- > -- > > New Year. New Location. New Benefits. New Data Center in Ashburn, VA. > > GigeNET is offering a free month of service with a new server in Ashburn. > > Choose from 2 high performing configs, both with 100TB of bandwidth. > > Higher redundancy.Lower latency.Increased capacity.Completely compliant. > > http://p.sf.net/sfu/gigenet > > _______________________________________________ > > Openbts-discuss mailing list > > Ope...@li... > > https://lists.sourceforge.net/lists/listinfo/openbts-discuss > > > > ------------------------------------------------------------------------------ > New Year. New Location. New Benefits. New Data Center in Ashburn, VA. > GigeNET is offering a free month of service with a new server in Ashburn. > Choose from 2 high performing configs, both with 100TB of bandwidth. > Higher redundancy.Lower latency.Increased capacity.Completely compliant. > http://p.sf.net/sfu/gigenet > _______________________________________________ > Openbts-discuss mailing list > Ope...@li... > https://lists.sourceforge.net/lists/listinfo/openbts-discuss > |
