TS 25.331

Rel-4 RAN improvements

Rel-4 Improvements of Radio Interface

Low Chip Rate TDD option

Layer 2 and layer 3 protocol aspects

UE positioning enhancements - IPDL for TDD

Node B synchronization for TDD

RAB support enhancement for Rel-4

DSCH power control improvement in soft handover

UMTS 1800

UMTS 1900

(Small) Technical Enhancements and Improvements for Rel-4

Rel-4 Terminal interfaces

Rel-5 Improvements of Radio Interface

Rel-5 RAN improvements

GERAN/UTRAN interface evolution 1 (evolution of Iu PS)

Evolution of Iu ps

GERAN/UTRAN interface evolution 2 (evolution of Iu CS)

Evolution of Iu cs

High Speed Downlink Packet Access

Layer 2 and 3 aspects

UE positioning enhancements for 1.28 Mcps TDD

Rel-5 Location Services enhancements

UE positioning for Rel-5 Location Services enhancements

RAB support enhancement for Rel-5

RL Timing Adjustment

Enhancement on the DSCH hard split mode

(Small) Technical Enhancements and Improvements for Rel-5

Rel-5 Terminal interfaces

Stage 1 for Multimedia Broadcast and Multicast Service

Stage 2 for Multimedia Broadcast and Multicast Service

Rel-6 Improvements of Radio Interface

Stage 1 for MBMS User Services

TR on MBMS Architectural Study

Introduction of MBMS in RAN (physical & upper layers, access network interfaces)

RAB support enhancement

Rel-6 RAN improvements

Stage 2 MBMS Specification Work

Support of the MBMS in CN protocols

Gmb interface for MBMS (CN3 part)

Security aspects of MBMS

MBMS User Services

Rel-6 Charging Management

Speech Enabled Services Based on Distributed Speech Recognition (DSR)

FDD Enhanced Uplink

FDD Enhanced Uplink - Layer 2 and 3 Protocol Aspects

Charging Data Record (CDR) file format and transfer

Charging Management for the Service domain

CDR transfer

PS domain charging

CS domain charging

OCS: Applications and interfaces

Online Charging System (OCS) architecture study

Diameter charging applications

CDR parameter description

Charging architecture and principles

Generic Access to A/Gb Interface (GAAI)

Multimedia Broadcast and Multicast Service

Introduction of MBMS in RAN

Enhancement of the support of network sharing in the UTRAN

Priority Service

HS-DPCCH ACK/NACK Enhancement

Optimization of downlink channelisation code utilisation

UMTS 1.7/2.1 GHz

DS-CDMA introduction in the 800 MHz band

UMTS-850

Deleted - replaced by 50561 - PS Handover

Support of PS Handover for GERAN A/Gb mode

(Small) Technical Enhancements and Improvements for Rel-6

Deleted - CT3 aspects of Mp

Rel-7 RAN improvements

CT1 aspects of Mp

Rel-7 Improvements of the Radio Interface

Deleted - Extra ACBOP information in RAN

Access Class Barring and Overload Protection

Stage 1/2 for Towards AGNSS Concept

3.84 Mcps TDD Enhanced Uplink

EDCHTDD: Layer 2 and 3 Protocol Aspects

Deleted - Improvements of Radio Interface

PS Handover between GERAN/UTRAN mode and GAN Mode

Handover of dedicated and shared resources while in Dual Transfer Mode

1.28 Mcps TDD Enhanced Uplink

1.28 Mcps TDD Enhanced Uplink: Layer 2 and 3 Protocol Aspects

Location Services enhancements

Global Navigation Satellite System (GNSS) in UTRAN

UE positioning - Velocity

Deleted - UE positioning Rel-7

MBMS Enhancements

MBMS FDD Physical layer Enhancements

MBMS Low Chip Rate TDD Physical Layer Enhancement

MBMS TDD Physical layer Enhancements

Multiple-Input Multiple-Output (MIMO) antennas

MIMO - Layer 2,3 aspects

Mp (MRFC - MRFP) interface

Introduction of 16QAM in HSUPA (FDD)

64QAM for HSDPA (FDD)

Continuous connectivity for packet data users

Delay optimization for procedures applicable to CS and PS Connections

Enhanced CELL_FACH State in FDD

Extended WCDMA Cell Range

Improved L2 support for high data rates

Optimization of channelisation code utilisation for 1.28 Mcps TDD

7.68 Mcps TDD Enhanced Uplink

UMTS 1700 MHz

Extended UMTS 1.7/2.1 GHz

UMTS 2.6 GHz

Deleted (not approved at PCG) - UMTS 2.6 GHz FDD DL External

UMTS 2.6 GHz TDD

UMTS 900 MHz

Support of Conversational Services in A/Gb mode via the PS domain

(Small) Technical Enhancements and Improvements for Rel-7

7.68 Mcps TDD option

VHCRTDD: Layer 2 and layer 3 protocol aspects

Support for Additional Navigation Satellite Systems (ANSS) for LCS

Earthquake and Tsunami Warning System

Rel-8 RAN improvements

Flexible Alerting

Study on Paging Permission with Access Control

UTRA HNB

Support of UTRA HNB

Rel-8 LTE 3G Long Term Evolution - Evolved Packet System RAN part

LTE Radio Interface Layer 2 and 3 Protocol Aspect

LTE Evolved UTRA and UTRAN RF Radio Transmission/Reception, System Performance Requirements and Conformance Testing

3.84 Mcps TDD MBMS over a Single Frequency Network (MBSFN) Integrated Mobile Broadcast

Paging Permission with Access Control (PPACR)

64QAM for 1.28 Mcps TDD HSDPA

Combination of 64QAM and MIMO for HSDPA (FDD)

RAN2 part of Support for Additional Navigation Satellite Systems (ANSS) for LCS

Dual-Cell HSDPA operation on adjacent carriers

Enhanced UE Discontinuous Reception (DRX) for FDD

Enhanced CELL_FACH state in 1.28 Mcps TDD

HS-DSCH Serving Cell Change Enhancements

HSPA VoIP to WCDMA/GSM CS continuity

Continuous Connectivity for packet data users for 1.28 Mcps TDD

MIMO for 1.28 Mcps TDD. Linked to Rel-8 Study on Scope of future HSPA Evolution for 1.28 Mcps TDD (UID_370041) TR 25.824

Enhancements for Serving Radio Network Subsystem (SRNS) Relocation Procedure

Enhanced Uplink for CELL_FACH State in FDD

Improved L2 for uplink

Rel-8 Improvements of the Radio Interface

CS Voice Service over HSPA

UMTS 1500 MHz

Deleted - UMTS 2300 MHz FDD/TDD

UMTS 2300 MHz TDD LCR

UMTS 700 MHz FDD

UMTS 1880 MHz TDD

(Small) Technical Enhancements and Improvements for Rel-8

Stage 1 for EHNB

Enhanced Home NodeB / eNodeB

Architecture aspects of EHNB

Home NB and Home eNB enhancements - RAN2 aspects

Rel-9 RAN improvements

Dual-Cell HSUPA

Combination of DC-HSDPA with MIMO

Support for different bands for Dual-Cell HSDPA

Transmit Antenna Array (TxAA) extension for non-MIMO UEs

Rel-9 Improvements of the Radio Interface

Extended UMTS/LTE 800 MHz

UMTS/LTE 800 MHz for Europe

(Small) Technical Enhancements and Improvements for Rel-9

User Data Convergence (UDC)

Extended UMTS/LTE 1500 MHz

Deleted - Support of WiMAX - UMTS Mobility

Four carrier HSDPA

Core part: Four carrier HSDPA

Automatic Neighbour Relation (ANR) for UTRAN

Core part: Automatic Neighbour Relation (ANR) for UTRAN

Core part: Support of New Band Combinations for Dual-Band Dual Cell HSDPA

Expanded 1900 MHz Band for UTRA and LTE

Core part: Expanded 1900 MHz Band for UTRA and LTE

Interfrequency detected set measurements for UMTS

Minimization of Drive Tests for E-UTRAN and UTRAN

Core part: Minimization of Drive Tests for E-UTRAN and UTRAN

Multi-User Multiple-Input and Multiple-Output (MU-MIMO) for 1.28Mcps TDD

Core part: MU-MIMO for 1.28Mcps TDD

Network Improvements for Machine-Type Communications

RAN mechanisms to avoid CN overload due to Machine-Type Communications

Deleted - UTRAN 2 ms TTI uplink range improvement

Deleted - Registration in Densely-populated area (RED)

Core part: UMTS/LTE 3500 MHz

1.28 Mcps TDD Multi-carrier HSUPA

(Small) Technical Enhancements and Improvements for Rel-10

Core part: Four Branch MIMO transmission for HSDPA

Core part: Eight carrier HSDPA

Further Enhancements to CELL_FACH

Core part: Further Enhancements to CELL_FACH

HSDPA Multiflow Data Transmission

Core part: HSDPA Multiflow Data Transmission

Core part: Uplink Transmit Diversity for HSPA - Closed Loop

Core part: Uplink Transmit Diversity for HSPA - Open Loop

Core part: MIMO with 64QAM for HSUPA

Non-contiguous 4C-HSDPA operation

Core part: Non-contiguous 4C-HSDPA operation

Rel-11 Security small Enhancements

System Improvements to Machine-Type Communications

RAN overload control for Machine-Type Communications

Core part: RAN overload control for Machine-Type Communications

Core part: Further Self Optimizing Networks (SON) enhancements

(Small) Technical Enhancements and Improvements for Rel-11

Extending 850 MHz Upper Band (814 849 MHz)

Core part: Extending 850 MHz Upper Band (814 849 MHz)

Enhancement of Minimization of Drive Tests for E-UTRAN and UTRAN

Core part: Enhancement of Minimization of Drive Tests for E-UTRAN and UTRAN

Core part: UTRAN aspects of Single Radio Voice Call Continuity from UTRAN/GERAN to E-UTRAN/HSPA

Core part: Further Enhanced Uplink (EUL) enhancements

Further enhancements to H(e)NB mobility - Part 3 (Stage 2/3)

Core part: Further enhancements to H(e)NB mobility - Part 3

HSPA signalling enhancements for more efficient resource usage for LCR

Core part: HSPA signalling enhancements for more efficient resource usage for LCR TDD

Core part: Support for BeiDou Navigation Satellite System (BDS) for UTRA

Increasing the minimum number of carriers for UE monitoring in UTRA and E-UTRA

Core part: Increasing the minimum number of carriers for UE monitoring in UTRA and E-UTRA

Core part: L-band for Supplemental Downlink in E-UTRA and UTRA

Core part: RAN enhancements for Machine-Type and other mobile data applications Communications

(Small) Technical Enhancements and Improvements for Rel-12

Core part: Dedicated Channel (DCH) enhancements for UMTS

Core part: Heterogeneous Networks enhancements

Core part: UMTS Mobility enhancements for heterogeneous networks

Core part: WLAN/3GPP Radio Interworking

Core part: Enhanced Broadcast of System Information

Core part: RAN aspects of Application specific Congestion control for Data Communication

Core part: Dual Carrier HSUPA Enhancements for UTRAN CS

Core part: Dedicated Core Networks

Multiflow Enhancements for UTRA

Core part: Multiflow Enhancements for UTRA

Core part: HSPA Dual-Band UL carrier aggregation

Core part: LTE in the 1670-1675 MHz Band for US (on hold till 12/2014)

Perf. Part: LTE in the 1670-1675 MHz Band for US (on hold till 12/2014)

Core part: Multicarrier Load Distribution of UEs in LTE

(Small) Technical Enhancements and Improvements for Rel-13

L2/L3 Downlink enhancements for UMTS

Core part: L2/L3 Downlink enhancements for UMTS

Core part: Downlink TPC Enhancements for UMTS

Core part: Indoor Positioning enhancements for UTRA and LTE

Core part: Network-Assisted Interference Cancellation and Suppression for UMTS

Core part: Power saving enhancements for UMTS

Core part: DTX/DRX enhancements in CELL_FACH

(Small) Technical Enhancements and Improvements for Rel-14

Quality of Experience (QoE) Measurement Collection for streaming services in UTRAN

Core part:Quality of Experience (QoE) Measurement Collection for streaming services in UTRAN

Core part: DL interference mitigation for UMTS

Core part: Multi-Carrier Enhancements for UMTS

Core part: RRC optimization for UMTS

Core part: RAN aspects of eDECOR for UMTS and LTE

Core part: Simplified HS-SCCH for UMTS

Core part: Single Radio Voice Call Continuity from 5G to 3G

(Small) Technical Enhancements and Improvements for Rel-16

(Small) Technical Enhancements and Improvements for Rel-17

Dual Transfer Mode within GSM and GPRS

Charging

Harmonized Standard

Location Services

Lawful Interception for GSM Features transposed to UMTS

Man-Machine Interface (MMI) of the User Equipment (UE)

Wide area network Synchronization and object exchange

(Small) Technical Enhancements and Improvements for R99

UMTS

UMTS phase 1

UMTS Terrestrial Radio Access Network