name: UTRAN
full_form: UMTS Terrestrial Radio Access Network
context: - the Internal Client group that includes: - Internal UTRAN Location Client Function (U-LCF); - the UTRAN System Handling group that includes: For RNC centric mode: - UTRAN Location System Control Function (U-LSCF), - UTRAN Location System Operations Function (U-LSOF); For SAS centric mode: - UTRAN Location Information Relay Function (U-LIRF) - UTRAN Location System Control Function in SAS (U-LSCFS) - UTRAN Location System Assistance Data Function (U-LSADF) - the UTRAN Positioning group that includes: - UTRAN Position Radio Co-ordination Function (U-PRCF), - UTRAN Position Calculation Function (U-PCF), - UTRAN Position Signal Measurement Function (U-PSMF), - UTRAN Position Radio Resource Management (U-PRRM). - UTRAN Position Related Communication Function (U-PRComF) for SAS centric mode. The functions within the UTRAN are described in more detail in the following subclauses.
description: The UMTS Terrestrial Radio Access Network (UTRAN) is a collective set of interconnected network functions that work together to deliver specific telecommunications capabilities. It includes various functional entities such as the Internal Client group, UTRAN System Handling group, and UTRAN Positioning group, which are responsible for different aspects of UE positioning and location management within the UTRAN.
explanation: UTRAN is classified as a NetworkFunction_Group based on its description in the context as a collective set of interconnected network functions working together to deliver specific telecommunications capabilities. The context highlights various functional entities within the UTRAN, indicating it's a group of network functions rather than a single function or protocol.
section_title: Annex B (informative):
  Reference Model of Functional Entities for UTRAN UE Positioning
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