Thanks for you reply.
Cell that using Non_hopping and hopping configuration.
following is one case the cell having 4 trx with non_hopping trx pref_mark value trx1 = 1 for other set to 0
RTCH_Erlang_BH
trx1 = 4.9
trx2 = 6.7
trx3 = 4.8
trx4 = 7.8
number_tch_ass_fail_radio_trx
trx1 = 14
trx2 = 2047
trx3 = 1246
trx4 = 11
rtch_ass_allocated
trx1 = 186
trx2 = 2799
trx3 = 1820
trx4 = 349
rtch_ass_efficiency_rate
trx1 = 97.3
trx2 = 25.9
trx3 = 30.9
trx4 = 96.8
we already try to remap trx to other TRX but the problem still havepen on TRX2 and 3
thank you vary much for you help