low rtch efficiency in alcatel cells This topic has 2 replies, 1 voice, and was last updated 5 years, 10 months ago by Mery. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts 7th May 2013 at 16:33 #69039 fanizoGuest Hello guys our Alcatel network has many cells showing low rtch efficiency rate. how do you resolve low rtch efficiency in alcatel B11? 8th May 2013 at 07:35 #69040 pixGuest hi, This kpi is per TRX, so isolate the TRX which shows poor efficiency. if the RTCH efficiency is below 90%, then the probable cause is a TRX or a combiner issue (–> Hardware problem) if the RTCH efficiency is above 90%, then you should investigate frequency interference, or perhaps a little difference of coverage between the BCCH TRX and the RTCH TRX (–> Radio problem) regards pix 27th January 2017 at 08:05 #69041 MeryGuest hi Pix, do you mean when the RTCH efficiency is above 90% that means have a radio problem ? Author Posts Viewing 3 posts - 1 through 3 (of 3 total) The forum ‘Telecom Design’ is closed to new topics and replies.