Positioning & Location

Location Services (LCS)

Defines procedures and information coding for BSSAP LCS Extension (BSSAP-LE)

Location Services (LCS)

Defines the coding of information for location service operation on the SMLC-BSS interface layer 3.

Location Services (LCS)

Defines the SMLCPP protocol for communication between Serving Mobile Location Centres

Location Services (LCS)

Defines the Radio Resource LCS Protocol (RRLP) between MS and SMLC

Functional stage 2 description of Location Services (LCS) in GERAN

Specifies the GERAN LCS architecture, functional entities and operations to support location methods.

Support of Localised Service Area (SoLSA)

Specification of the stage 2 description of the SoLSA service, which allows operators to offer subscribers different ser

Technical Report on UE Location Service

Analyzes regulatory requirements for UE location service in 5G

Technical Report

Study on expanded and improved NR positioning requirements, scenarios, evaluations, and proposals.

NR Positioning Protocol A (NRPPa)

Specification of control plane radio network layer signaling procedures between NG-RAN node and LMF for positioning func

Stage 2 functional specification of UE Positioning in NG-RAN

Specifies the NG-RAN UE Positioning architecture, functional entities and operations to support positioning methods

LTE Positioning Protocol A (LPPa)

Specification of the control plane radio network layer signaling procedures between eNB and E-SMLC for LTE positioning.

LTE Positioning Protocol (LPP)

Defines the positioning protocol for LTE networks

User Equipment (UE) positioning in E-UTRAN

Specification of E-UTRAN positioning architecture, entities, and operations

Postal address

Establishes the Location Measurement Unit (LMU) minimum UTDOA positioning requirement for E-UTRAN.

Location Measurement Unit (LMU) conformance specification

Establishes conformance requirements for E-UTRAN Location Measurement Units (LMU) operating in FDD or TDD mode.

Gateway Mobile Location Services

Specifies the stage 3 protocol and data model for the Ngmlc Service Based Interface.

Mobile Application Part (MAP) specification for Gateway Location Register (GLR)

Signaling requirements and procedures for network elements related to the GLR for MAP within the 3GPP system.

Location Services (LCS); Evolved Packet Core (EPC) LCS Protocol (ELP) between GMLC and MME; SLg interface

Specifies procedures and information coding for the EPC LCS Protocol (ELP) used on the SLg interface between GMLC and MM

Location Services (LCS); LCS Application Protocol (LCS-AP) between the MME and E-SMLC; SLs interface

Specifies procedures and information coding for LCS-AP to support location services in E-UTRAN.

Location Services (LCS); Diameter-based SLh interface for Control Plane LCS

Defines the Diameter application for the GMLC-HSS SLh reference point in EPC LCS

Mobility Management Entity (MME)

Specifies procedures and messages for location management coordination and relaying circuit-switched services over EPS.

GPRS Tunnelling Protocol (GTP) specification for Gateway Location Register (GLR)

Defines the GTP protocol for GPRS networks with a Gateway Location Register (GLR)

(RANAP) on the E-interface

Describes the subset of RANAP messages and procedures used on the E-interface for SRNS relocation and resource control

Technical Report on Multimedia Telephony for IMS

Study on potential improvements for end-to-end QoS handling to enhance network resource allocation for MTSI

UTRAN Iupc interface Positioning Calculation Application Part (PCAP) signalling

Specifies the Positioning Calculation Application Part (PCAP) between the RNC and the SAS for UE positioning

Stage 2 functional specification of User Equipment (UE) positioning in UTRAN

Defines the UTRAN UE Positioning architecture, functional entities and operations to support positioning methods.

Location Measurement Unit (LMU) performance specification

Defines the minimum RF characteristics of the FDD mode of UTRA for the Location Measurement Unit (LMU)

Control plane Location Services (LCS) procedures

Specifies the operations and information coding for the NAS layer protocol for supporting LCS in the NG-RAN

User Plane Location Services (LCS) Protocols And Procedures

Specifies the LCS user plane protocol (LCS-UPP) and user plane positioning connection management (UPP-CM) protocol for 5

NAS Protocol for LCS in E-UTRAN

Specifies NAS layer procedures and coding for Location Services (LCS) in E-UTRAN, enabling UE and MME to support LPP and

eMLPP Supplementary Service Procedures

Specifies radio interface procedures for enhanced Multi-Level Precedence and Pre-emption service in GSM and UMTS.

LCS Stage 3 for Mobile Station

Defines location service operations for CS and PS domains, including network and mobile initiated procedures.

Technical Report on 5GC LoCation Services Enhancements

Study further enhancements to the 5GC LoCation Services including architectural, latency, and signaling improvements.

Technical Report

Study and evaluation of application architecture aspects and solutions to address new and enhanced location capabilities

Gateway Location Register (GLR); Stage 2

Specification for the Gateway Location Register (GLR) within the UMTS Core Network

Location management procedures

Describes location management procedures for the circuit-switched domain.

Restoration procedures

Defines procedures to limit the effects of failure of a location register and restore the location register data automat

Location Services (LCS) Stage 1 Description

Defines LCS service requirements, client categories, privacy, and positioning methods for 3GPP networks.

enhanced Multi Level Precedence and Pre-emption service (eMLPP); Stage 1

Specification of the stage 1 description of the enhanced Multi-Level Precedence and Pre-emption Service (eMLPP).

GSM/EDGE Location Services (LCS)

Defines the coding and procedures for location service operation between LMU and SMLC

GSM/EDGE Location Services (LCS)

Defines the content of messages for MS-based location services on the mobile radio interface.

Sidelink Positioning Protocol (SLPP)

Specification of the Sidelink Positioning Protocol for UE-to-UE and UE-to-LMF interfaces

UE positioning conformance test scenarios

Defines test scenarios and assistance data for UE positioning conformance testing across UTRA, E-UTRA, and NR technologi

LTE Positioning Protocol (LPP)

Defines the LTE Positioning Protocol for E-UTRA/LTE and NR radio access technologies.

User Equipment (UE) conformance specification for UE positioning

Conformance specification for UE positioning in UTRAN, E-UTRAN and NR

User Equipment (UE) conformance specification for UE positioning

Conformance test specification for UE positioning capabilities in 3GPP networks

Postal address

Establishes minimum performance requirements for RAT-Independent Positioning Enhancements.

Security and Privacy Aspects of Ranging and Sidelink Positioning

Investigates security and privacy aspects of Ranging and sidelink positioning in 5G

Security aspects of ranging based services and

Specifies security and privacy aspects of ranging and sidelink positioning in 5GS

Postal address

Specification of the stage 3 protocol and data model for the Nslpkmf Service Based Interface to support ranging based se