UTRAN Iuh Interface RANAP User Adaption (RUA) signalling
The present document specifies the RANAP User Adaption (RUA) between the Home Node B (HNB) and the Home Node B Gateway (HNB-GW). It fulfils the HNB- HNB-GW communication requirements specified in TS 25.467 [3] and is defined over the Iuh – reference point. It provides transparent transport for RANAP messages.