B210 - 2 chain Configuration issue

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Dhananjay kumar dhananjay.cse at gmail.com
Sun Nov 20 13:36:08 UTC 2016


Hi,

We are configuring B210 with OSMO-NITB ,OSMO-BTS and OSMO-TRX for 2 chain
configuartion.

BSC Configuation :

bts 0
 trx 0
   rf_locked 0
   arfcn 51
   nominal power 0
   max_power_red 0
   rsl e1 tei 0
    timeslot 0
     phys_chan_config CCCH+SDCCH4
     hopping enabled 0
    timeslot 1
     phys_chan_config PDCH
    timeslot 2
     phys_chan_config PDCH
    timeslot 3
     phys_chan_config PDCH
    timeslot 4
     phys_chan_config PDCH
    timeslot 5
     phys_chan_config PDCH
    timeslot 6
     phys_chan_config TCH/F
    timeslot 7
     phys_chan_config TCH/F
  trx 1
   rf_locked 0
   arfcn 55
   nominal power 0
   max_power_red 0
   rsl e1 tei 0
    timeslot 0
     phys_chan_config CCCH+SDCCH4
    timeslot 1
     phys_chan_config PDCH
    timeslot 2
     phys_chan_config PDCH
    timeslot 3
     phys_chan_config PDCH
    timeslot 4
     phys_chan_config PDCH
    timeslot 5
     phys_chan_config PDCH
    timeslot 6
     phys_chan_config TCH/F
    timeslot 7
     phys_chan_config TCH/F



BTS config  :

trx 0
  phy 0 instance 0
 trx 1
  phy 0 instance 1

*Issue description :*


On TRX 0 all 8 eight brust is seen on simulator , but on TRX1 only 1 brust
is coming up.
when channel is swiped with " - s" [osmo-trx -fc 2 -s ] issue reversed to
TRX0.

Please refer attached screen shot for frame brust.
 we need to both TRX working with identical power level. let me know if
anyone has faced this issue and have solution for this.

BR
Dhananjay
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