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carcelle carcellelist at free.frHi Harald, thanks for your reply On Thu, Apr 26, 2012 at 08:56:08AM +0200, Harald Welte wrote: > On Thu, Apr 26, 2012 at 08:23:20AM +0200, carcelle wrote: > > Should i change the channel configuration to get more bitrate ? > > you can increase the bitrate by adding more PDCH on other timeslots. > You will lose those for voice, though. The nanoBTS is capable of > dynamic TCH/F + PDCH switching, but we don't support that in OpenBSC > yet. ok understand, TCH/F + PDCH repartitions based on your how could i calcultate the theorical layer2/ip troughput available for one PDCH and correlate it to the troughput measured from the MS to an external IP ? > > Should add more cells (bts?) to add more channels ? > > More BTSs (stand-alone) is not improving capacity, but you can increase > coverage by putting them at different locations. > > If you stack BTSs (multi-TRX), you can e.g. run the firs TRX with 7*PDCH > and run the second TRX with TCH. This way you have maximum GPRS/EDGE > bitrate, plus full set of voice channels. Excellent, i will work in this direction and let you know. My best regards, Xavier. > Regards, > Harald > -- > - Harald Welte <laforge at gnumonks.org> http://laforge.gnumonks.org/ > ============================================================================ > "Privacy in residential applications is a desirable marketing option." > (ETSI EN 300 175-7 Ch. A6)