| Advanced IP Interconnection of Services | |
| System Improvements to Machine-Type Communications | |
| Unstructured Supplementary Service Data (USSD) simulation service in IMS | |
| SIPTO Service Continuity of IP Data Session | |
| QoS Control Based on Subscriber Spending Limits | |
| Optimized Service Charging and Allocation of Resources in IMS whilst Roaming | |
| Inclusion of Media Resource Broker (Stage 2/3) | |
| Non Voice Emergency Services | |
| Support for 3GPP Voice Interworking with Enterprise IP-PBX | |
| IMS Network-Independent Public User Identities | |
| Anonymous Call Rejection in the CS domain | |
| Support for BroadBand Forum Accesses Interworking | |
| Single Radio Voice Call Continuity (SRVCC) aspect of enhancements for Multimedia Priority Service | |
| Single Radio Video Call Continuity for 3G-CS | |
| Network Provided Location Information for IMS (NETLOC) | |
| Service Awareness and Privacy Policies | |
| VPLMN Autonomous CSG Roaming | |
| Data Identification in Access Network Discovery and Selection Function (ANDSF) | |
| LOcation-Based Selection of gaTEways foR WLAN | |
| Single Radio Voice Call Continuity from UTRAN/GERAN to E-UTRAN/HSPA | |
| S2a Mobility based On GTP and WLAN access to EPC | |
| Roaming Architecture for Voice over IMS with Local Breakout | |
| Rel-11 Security small Enhancements | |
| Extensions of Acoustic Test Specifications in TS 26.131 and TS 26.132 | |
| Enhancements to Multimedia: PSS, MMS, and MBMS Enhancements and Performance Improvements | |
| Rel-11 Operations, Administration, Maintenance and Provisioning (OAM&P) | |
| Rel-11 Charging Management small Enhancements | |
| Transit Inter Operator Identifier for IMS Interconnection Charging in multi operator environment | |
| User Data Convergence - Data Model | |
| Definition of the UICC Application for Hosting Party Module | |
| Usability improvement of Inter-IMS Network to Network Interface (II-NNI) specification for inter-connection by means of Option Item list | |
| enhanced Nodes Restoration for EPC | |
| Reference Location Information | |
| IMS Stage-3 IETF Protocol Alignment | |
| Service Identification for RRC Improvements in GERAN (Stage 3) | |
| IMS Emergency PSAP Callback (Stage 3) | |
| SAE Protocol Development | |
| GCSMSC and GCR Redundancy for VGCS/VBS (Stage 2/3) | |
| Support of RFC 6140 in IMS | |
| Enhancement of the Protocols for SMS over SGs (Stage 3) | |
| Enhancements for Multimedia Priority Service (MPS) – Gateway Control Priority | |
| Inter-IMS Network to Network Interface (II-NNI) enhancements: SIP timers applicability (Stage 3) | |
| Full Support of Multi-Operator Core Network by GERAN | |
| Introduction of ER-GSM band for GSM-R | |
| Extending 850 MHz Upper Band (814 – 849 MHz) | |
| Further Self Optimizing Networks (SON) enhancements | |
| Enhancement of Minimization of Drive Tests for E-UTRAN and UTRAN | |
| E-UTRA medium range and MSR medium range/local area BS class requirements | |
| Medium range/local area requirements for multicarrier BTS | |
| Domain Specific Access Control in GERAN | |
| Network-Based Positioning Support in LTE | |
| Service continuity improvements for MBMS for LTE | |
| LTE Advanced Carrier Aggregation of Band 3 and Band 7 | |
| LTE Advanced Carrier Aggregation of Band 4 and Band 17 | |
| LTE Advanced Carrier Aggregation of Band 4 and Band 13 | |
| LTE Carrier Aggregation Enhancements | |
| LTE Advanced Carrier Aggregation of Band 4 and Band 12 | |
| LTE Advanced Carrier Aggregation of Band 5 and Band 12 | |
| LTE Advanced Carrier Aggregation of Band 7 and Band 20 | |
| LTE Advanced Carrier Aggregation of Band 2 and Band 17 | |
| LTE Advanced Carrier Aggregation of Band 4 and Band 5 | |
| LTE Advanced Carrier Aggregation of Band 5 and Band 17 | |
| Further Enhanced Non CA-based ICIC for LTE | |
| New Band LTE Downlink FDD 716-728 MHz | |
| LTE RAN Enhancements for Diverse Data Applications | |
| LTE E850 - Lower Band for Region 2 (non-US) | |
| Carrier based HetNet ICIC for LTE | |
| LTE Advanced Carrier Aggregation in Band 38 | |
| LTE Advanced Carrier Aggregation in Band 41 | |
| LTE for 700 MHz Digital Dividend | |
| Relays for LTE (part 2) | |
| LTE Advanced Carrier Aggregation of Band 3 and Band 20 | |
| LTE Advanced Carrier Aggregation of Band 8 and Band 20 | |
| LTE Advanced Carrier Aggregation of Band 1 and Band 7 | |
| LTE Advanced Carrier Aggregation of Band 3 and Band 5 | |
| LTE Advanced Carrier Aggregation of Band 4 and Band 7 | |
| LTE Advanced Carrier Aggregation in Band 7 | |
| LTE Advanced Carrier Aggregation Intra-Band, Non-Contiguous in Band 25 | |
| Signalling and Procedure for Interference Avoidance for in-device coexistence | |
| Coordinated Multi-Point Operation for LTE | |
| Network Energy Saving for E-UTRAN | |
| LTE Advanced Carrier Aggregation of Band 11 and Band 18 | |
| LTE Advanced Carrier Aggregation of Band 1 and Band 18 | |
| LTE Advanced Carrier Aggregation of Band 1 and Band 19 | |
| LTE Advanced Carrier Aggregation of Band 1 and Band 21 | |
| Enhanced downlink control channel(s) for LTE Advanced | |
| UE Over The Air (Antenna) conformance testing methodology - Laptop mounted equipment Free Space test | |
| Eight carrier HSDPA | |
| UE demodulation performance requirements under multiple-cell scenario for 1.28Mcps TDD | |
| Uplink Transmit Diversity for HSPA | |
| Introduction of New Configuration for 4C-HSDPA | |
| Non-contiguous 4C-HSDPA operation | |
| Further Enhancements to CELL_FACH | |
| HSDPA Multiflow Data Transmission | |
| Four Branch MIMO transmission for HSDPA | |
| MIMO with 64QAM for HSUPA | |
| HSDPA Dual-Band Multi-Carrier combinations | |
| LTE Advanced Carrier Aggregation of Band 3 and Band 5 with 2UL | |
| Intra-band, Non-contiguous CA for Band 3 for LTE Advanced | |
| Public Safety Broadband High Power UE for Band 14 for Region 2 | |
| Improved Minimum Performance Requirements for E-UTRA: Interference Rejection | |
| Additional special subframe configuration for LTE TDD | |
| RF Requirements for Multi-Band and Multi-Standard Radio (MB-MSR) Base Station | |
| Verification of radiated multi-antenna reception performance of UEs in LTE/UMTS | |
| LTE in the 1670-1675 MHz Band for US | |
| LTE Advanced Carrier Aggregation of Band 3 and Band 8 | |
| (Small) Technical Enhancements and Improvements for Rel-11 | |
| Study on IMS based Peer-to-Peer Content Distribution Services | |
| Study on Non Voice Emergency Services | |
| Study on Support for 3GPP Voice Interworking with Enterprise IP-PBX | |
| Study on IMS Network-Independent Public User Identities | |
| Study on IMS Evolution | |
| Study on Policy solutions and enhancements | |
| Study on IPv6 Migration | |
| Study on Single Radio Voice Call Continuity from UTRAN/GERAN to E-UTRAN/HSPA | |
| Study on Roaming Architecture for Voice over IMS with Local Breakout | |
| Study on UTRAN key management enhancements | |
| Study on Extended IMS Media Plane Security features | |
| Study on Single Sign On (SSO) Application Security for IMS - based on SIP Digest | |
| Study on Mobile 3D Video Coding | |
| Study on Improved Support for Dynamic Adaptive Streaming over HTTP in 3GPP | |
| Study on version handling | |
| Study on Management of Converged Networks | |
| Study on User Data Convergence (UDC) information model handling and provisioning: Example Use Cases | |
| Study on OAM aspects of inter-RAT Energy Saving | |
| Study on management of Heterogeneous Networks | |
| Study on OAM aspects of Network Sharing | |
| Study on impacts on UE-Core Network signalling from Energy Saving | |
| Study on EPC Nodes Restoration | |
| Study on GERAN improvements for Machine-Type Communications | |
| Study on Signal Precoding enhancements for EGPRS2 DL | |
| Study on Solutions for GSM/EDGE BTS Energy Saving | |
| Study on Voice services over Adaptive Multi-user channels on One Slot (VAMOS) enhancements | |
| Study on GERAN enhancements for Mobile Data Applications | |
| Study on Coordinated Multi-Point operation for LTE | |
| Study on Signalling and procedure for interference avoidance for in-device coexistence | |
| Study on Signalling and procedure for interference avoidance for in-device coexistence | |
| Study on Inclusion of RF Pattern Matching Technologies as a positioning method in the E-UTRAN | |
| Study on HetNet mobility enhancements for LTE | |
| Study on Enhanced Uplink Transmission for LTE | |
| Study on further Downlink MIMO enhancements for LTE-Advanced | |
| Study on Interference analysis between 800~900 MHz bands | |
| Study on Further Enhancements to LTE TDD for DL-UL Interference Management and Traffic Adaptation | |
| Study on Provision of low-cost MTC UEs based on LTE | |
| Study on LTE Coverage Enhancements | |
| Study on Mobile Relay for E-UTRA | |
| Study on Enhanced performance requirement for LTE UE | |
| Study on Measurement of Radiated Performance for MIMO and multi-antenna reception for HSPA and LTE terminals | |
| Study on Extending 850 MHz | |
| Study on Extending 850 MHz | |
| Study on RAN improvements for Machine-Type Communications | |
| Study on RAN improvements for Machine-Type Communications | |
| Study on UE Application Layer Data Throughput Performance | |
| Study on further enhancements for HNB and HeNB | |
| Study on UMTS/LTE in 900 MHz band (Japan, Korea) | |
| Study on RF and EMC requirements for active Antenna Array System (AAS) Base Station | |
| Study on Uplink MIMO | |
| Study on HSDPA Multipoint Transmission | |
| Study on UE Over The Air (OTA) test method with Head and Hand Phantoms | |
| Study on HSPA feedback and signalling efficiency enhancements for LCR TDD | |
| Study on LTE-HRPD (High Rate Packet Data in 3GPP2) inter-RAT SON | |
| Study on Passive InterModulation (PIM) handling for for UTRA and LTE Base Stations | |
Study on Measurements of radio performances for LTE terminals - Total Radiated Power (TRP) and Total Radiated Sensitivity (TRS) test methodology
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