name: SAS
full_form: Stand-Alone SMLC
context: contain the Requested Data Value IE. When the response message includes data to be reported (see above), the SAS shall include at least one IE in the Requested Data Value IE. If the Requested Data Value IE contains the GANSS Common Assistance Data IE, at least one of the GANSS Reference Time, GANSS Ionospheric Model, GANSS Reference Location, GANSS Additional Ionospheric Model, or GANSS Earth Orientation Parameters IEs shall be present. - If the GANSS Reference Time IE does not contain the GANSS Time ID IE, the corresponding GANSS timing refers to the "Galileo" timing. Any GANSS Generic Assistance Data IE associated with a given GANSS included in the Requested Data Value IE shall contain at least one of the GANSS Real Time Integrity, GANSS Data Bit Assistance, DGANSS Corrections, GANSS Almanac and Satellite Health, GANSS Reference Measurement Information, GANSS UTC Model, GANSS Time Model, GANSS Navigation Model, GANSS Additional Time Models, GANSS Additional Navigation Models, GANSS
description: The Stand-Alone SMLC (SAS) is a network function that plays a crucial role in location management within the cellular network. In SAS centric mode, it receives and processes location requests from the Serving RNC (SRNC), selects positioning methods based on UE capabilities and cell ID, provides assistance data and measurement instructions to the UE, gathers location-related information from NodeBs and the UE, and forwards positioning estimates to the requesting Core Network (CN) entity.
explanation: SAS is classified as a Network Function because it performs specific functionalities related to location management within the network. The context highlights its role in receiving and processing location requests, selecting positioning methods, providing assistance data, gathering location-related information, and forwarding positioning estimates.
section_title: 5.2.1.1.2	SAS Centric Mode
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