Non BCCH Layer Offset This topic has 0 replies, 1 voice, and was last updated 16 years, 4 months ago by Frood. Viewing 1 post (of 1 total) Author Posts 18th December 2007 at 10:20 #50075 FroodGuest The parameter nonBCCHLayerOffset (NBL) is used to indicate how much weaker the signal level of a BTS is when compared to that of the BCCH BTS. The above is true for Nokia. Is there a similar parameter for Siemens? Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.