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Nordin bouchtaoui at gmail.comThanks for your response Harald, Well I read in the mailinglist with the title: BS-11 runs, but no Network on my Mobile, date: Thu Apr 2 18:03:24 CEST 2009 about modifying the TRX power for the BS-11, so I could try that too for the ip.acces? Isn't it a bad idea to add abis_nm_bs11_set_trx_power(&bts->trx[0], BS11_TRX_POWER_GSM_250mW); in the bootstrap sequence? It won't harm if one tries right? Harald Welte schreef: > On Thu, May 28, 2009 at 12:36:49PM +0200, Nordin wrote: > >> Hello guys, >> >> While I'm still busy with understanding the OpenBSC sourcecodes and GSM >> protocols, I wonder if it's possible to control the nanoBTS's >> transmissionpower. If some additional code is needed, I'd like to give a >> try with some hints or directions to look at. >> > > Unfortunately we don't know this, as we don't have the ip.access protocol > documentation. As far as I know, there is no standard command for altering > power levels. > > You might be able to control the _initial_ BS power by setting some > TRX or BTS attributes related to that. But it is my understanding that after the > initial power level, the BS will adjust the power itself on every dedicated > channel. > >