name: LAF
full_form: Location Acquisition Function
context: This clause describes the architecture for location acquisition. The architecture is based on the use of a LAF, which communicates with the LARF associated with an MME/AMF over the LI_XLA interface. To use the location acquisition procedure, the LAF needs to determine the serving MME/AMF for the target UE. NOTE: The method for determining the serving MME/AMF is not defined in the present document. The LAF is requested to perform location acquisition via the LI_HILA interface between LEA and LAF. Upon receiving the request, the LAF initiates location acquisition to the LARF via the LI_XLA interface. The networks shall support the delivery of location information via the following methods: - Location information is delivered back as a response to the location acquisition request via the LAF over the LI_XLA and the LI_HILA interfaces. - Location information is delivered via the MDF2 over the LI_X2_LA and the LI_HI2 interfaces. The two delivery options may be used simultaneously. The LARF
description: The Location Acquisition Function (LAF) is a network component responsible for acquiring location information of user equipment (UE). It communicates with the Location Retrieval Function (LARF) associated with an MME/AMF over the LI_XLA interface to perform location acquisition.
explanation: LAF is classified as a Network Function based on its role in acquiring and delivering location information within the network, as highlighted by the context from 3GPP TS 33.127.
section_title: 7.3.5.2	Location acquisition architecture
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