name: HNB-GW
full_form: HNB GateWay
context: In later detailed simulations (per the RAN EUTRA work schedule), to accurately address Multi-Antenna subsystem (MAS) performance for EUTRA, the Spatial Channel Model (SCM) [7] is needed (see Table A.2.1.2.-2). The SCM accounts for transmitter and receive antenna correlation and more accurately reflects the likelihood of formulating multiple streams (spatial sub-channels) for certain MIMO schemes. The SCM is also needed for Beamforming and SDMA (or Spatial Multiplexing). A.2.1.2.2.1 SCM and extension to wider BW It is intended to use SCM as defined in TR25.996 for MIMO simulations up to 5MHz and its extension (SCME) [R4-060334] for MIMO simulations for higher bandwidths. Table A.2.1.2-2 â Channel model for later MIMO simulations in RAN1
description: The Home NodeB Gateway (HNB-GW) is a network function that manages Home NodeBs (HNBs) within the network. It assigns unique S-RNTI prefixes to HNBs, ensuring their uniqueness within URA Areas or overlapping areas. The HNB-GW provides its IP address to allow HNBs to establish Iurh-connectivity via the HNB-GW or connect to an RNC via the HNB-GW. It also handles registration requests from HNBs and may reject them due to reasons like network congestion or unauthorized HNB location.
explanation: The text describes the HNB-GW's responsibilities in managing other network elements (HNBs), assigning identifiers, facilitating connectivity, and controlling access. These functions are characteristic of a Network Function.
section_title: 5.2.2	HNB Registration procedure
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