TS 25.321

Rel-4 RAN improvements

Low Chip Rate TDD option

Layer 2 and layer 3 protocol aspects

Rel-5 RAN improvements

High Speed Downlink Packet Access

Layer 2 and 3 aspects

(Small) Technical Enhancements and Improvements for Rel-5

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

Rel-6 RAN improvements

Rel-6 Charging Management

FDD Enhanced Uplink

FDD Enhanced Uplink - Layer 2 and 3 Protocol Aspects

Multimedia Broadcast and Multicast Service

Introduction of MBMS in RAN

Beamforming Enhancements

(Small) Technical Enhancements and Improvements for Rel-6

CT1 aspects of Mp

Rel-7 RAN improvements

Deleted - CT3 aspects of Mp

3.84 Mcps TDD Enhanced Uplink

EDCHTDD: Layer 2 and 3 Protocol Aspects

1.28 Mcps TDD Enhanced Uplink

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

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

Improved L2 support for high data rates

7.68 Mcps TDD Enhanced Uplink

(Small) Technical Enhancements and Improvements for Rel-7

7.68 Mcps TDD option

VHCRTDD: Layer 2 and layer 3 protocol aspects

Rel-8 RAN improvements

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

LTE Radio Interface Layer 2 and 3 Protocol Aspect

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

64QAM for 1.28 Mcps TDD HSDPA

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

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

(Small) Technical Enhancements and Improvements for Rel-8

Rel-9 RAN improvements

Dual-Cell HSUPA

Combination of DC-HSDPA with MIMO

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

(Small) Technical Enhancements and Improvements for Rel-9

User Data Convergence (UDC)

Core part: Four carrier HSDPA

Deleted - UTRAN 2 ms TTI uplink range improvement

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

Core part: Further Enhancements to CELL_FACH

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

Core part: Further Enhanced Uplink (EUL) enhancements

(Small) Technical Enhancements and Improvements for Rel-12

Core part: Dedicated Channel (DCH) enhancements for UMTS

Core part: Enhanced Broadcast of System Information

Multiflow Enhancements for UTRA

(Small) Technical Enhancements and Improvements for Rel-13

L2/L3 Downlink enhancements for UMTS

Core part: L2/L3 Downlink enhancements for UMTS

Core part: Multi-Carrier Enhancements for UMTS

Harmonized Standard

Lawful Interception for GSM Features transposed to UMTS

(Small) Technical Enhancements and Improvements for R99