name: HPLMN
full_form:  PLMN
context: Figure 4.1.2-1 summarizes the basic operation when an alert is received. Figure 4.1.2-1: Summary of Cell Broadcast Operation for HNB The process is summarised as follows: 1. The CBC receives a warning message and target area for distribution. 2. The CBC carries out a search of all cell locations to determine the broadcast of those cells whose coverage overlaps the target area. 3. The CBC generates and sends SABP messages to HNB-GWs that address impacted cells under those nodes. The address space for the message is currently a list of . 4. The HNB-GW receiving a message matches the received broadcast in the message against those HNBs registered with it and gets the transport addresses of matching HNBs. Error messages should be generated for non-matching HNBs. 5. The HNB-GW forwards the SABP message over the SCTP link to the HNB.
description: The Home PLMN (HPLMN) is a specific type of Public Land Mobile Network (PLMN) that refers to the home network of a user equipment (UE). It is one of the key components in determining the set of PLMN identities for which the UE is a member, particularly during handover procedures to a Closed Subscriber Group (CSG) cell. The HPLMN plays a crucial role in verifying CSG subscription information and ensuring that the UE has access to the target cell based on its membership status.
explanation: The context describes the HPLMN as a specific type of network group (PLMN) responsible for managing UE access and mobility, particularly within the context of handover procedures and Closed Subscriber Group (CSG) cells. This classification aligns with the definition of NetworkFunction_Group.
section_title: 6.4.1	Issue 1: Determining set of PLMN id(s) for which the UE is a member for HO to a CSG cell which is advertising multiple PLMN-ids
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