Content for TR 21.915 Word version: 15.0.0
6 Critical Communications
7 Machine-Type of Communications (MTC) and Internet of Things (IoT)
8 Vehicle-to-Everything Communications (V2X) Improvements
9 Improvements of Mission Critical (MC)
10 Features related to WLAN and unlicensed spectrum
11 Other new features
12 System enhancements
13 LTE improvements
14 OAM improvements
15 Work Items for which no summary is needed
A Structure of 5GS Rel-15 3GPP work
B Process to get further information
$ Change history
6 Critical Communications Word‑p. 45
6.1 EPC support for E-UTRAN Ultra Reliable Low Latency Communication
6.2 Highly Reliable Low Latency Communication for LTE
7 Machine-Type of Communications (MTC) and Internet of Things (IoT) Word‑p. 49
7.1 Improvements of Machine-Type of Communications (MTC) and Internet of Things (IoT)
7.2 Further enhancements for Extended Coverage GSM for support of Cellular Internet of Things Word‑p. 51
7.2.1 Introduction
7.2.2 Energy Efficient Paging Reception with EC Paging Indication channel
7.2.3 Deferred System Information Acquisition in EC operation and for PEO Word‑p. 52
7.3 Even further enhanced MTC for LTE Word‑p. 53
7.3.1 Support for new use cases
7.3.2 Reduced latency
7.3.3 Reduced UE power consumption Word‑p. 54
7.3.4 Increased spectral efficiency
7.3.5 Improved access control Word‑p. 55
7.4 Other MTC related work
8 Vehicle-to-Everything Communications (V2X) Improvements Word‑p. 57
9 Improvements of Mission Critical (MC) Word‑p. 59
9.1 Enhancements to MCPTT
9.2 Enhancements to MC Data Word‑p. 60
9.3 Enhancements to MC Video Word‑p. 62
9.4 Other Mission Critical Enhancements
10 Features related to WLAN and unlicensed spectrum Word‑p. 64
10.1 WLAN direct discovery
10.2 Voice services over WLAN Word‑p. 65
10.3 Unlicensed Spectrum Offloading System
10.4 Enhancements to LTE operation in unlicensed spectrum Word‑p. 66
10.5 Other functionalities related to WLAN and unlicensed spectrum Word‑p. 67
11 Other new features Word‑p. 68
12 System enhancements Word‑p. 72
12.1 Control plane - user plane separation
12.1.1 Separation of CP and UP for Split Option 2 of NR
12.1.2 Management Enhancement for EPC Control and User Plane Separation (CUPS) Word‑p. 73
12.2 Quality of Experience (QoE) related Features Word‑p. 74
12.3 Security-related improvements Word‑p. 75
12.4 Virtual Reality (VR), TV, Codec and multimedia-related improvements
12.4.1 Test Methodologies for the Evaluation of Perceived Listening Quality in Immersive Audio Systems
12.4.2 Addition of HDR to TV Video Profiles Word‑p. 76
12.4.3 Virtual Reality Profiles for Streaming Media
12.4.4 FEC and ROHC Activation for GCSE over MBMS Word‑p. 78
12.4.5 Media Handling Aspects of 5G Conversational Services
12.5 Codec and multimedia-related improvements Word‑p. 79
12.5.1 Receive acoustic output test in the presence of background noise
12.5.2 Server and Network Assisted DASH for 3GPP Multimedia Services
12.5.3 SAND for MBMS Word‑p. 80
12.5.4 Framework for Live Uplink Streaming Word‑p. 81
12.5.5 Further video enhancements for LTE Word‑p. 82
12.5.6 Speech quality with ambient noise
12.6 Active Antenna System (AAS) Word‑p. 83
12.7 OAM improvements Word‑p. 85
12.8 Other enhancements Word‑p. 87
12.8.1 Simplified HS-SCCH for UMTS
12.8.2 Increased number of E-UTRAN data bearers Word‑p. 89
12.8.3 Increasing the number of EPS bearers Word‑p. 90
12.8.4 Enhancement of background data transfer
12.8.5 Enhanced VoLTE performance
12.8.6 DL interference mitigation for UMTS Word‑p. 91
12.8.7 Enhanced Calling Name Service Word‑p. 92
12.8.8 PS Data Off Phase 2 Word‑p. 93
13 LTE improvements Word‑p. 94
13.1 Further enhancements to Coordinated Multi-Point (CoMP) Operation for LTE
13.2 Enhancements for high capacity stationary wireless link and introduction of 1024 QAM for LTE DL Word‑p. 95
13.3 UE requirements for network-based CRS interference mitigation for LTE Word‑p. 96
13.4 Bluetooth®/WLAN measurement collection in LTE Minimization of Drive Tests (MDT) Word‑p. 97
13.5 UL data compression in LTE Word‑p. 98
13.6 UE Positioning Accuracy Enhancements for LTE
13.7 UE requirements for LTE DL 8Rx antenna ports Word‑p. 99
13.8 Shortened TTI and processing time for LTE Word‑p. 100
13.9 Enhanced LTE Support for Aerial Vehicles Word‑p. 105
13.10 Enhancing LTE CA Utilization Word‑p. 106
14 OAM improvements
14.1 Other 5G System Charging aspects
14.1.1 Service Based Interface for 5G Charging
14.1.2 Charging for IMS over 5G System Architecture Phase 1 Word‑p. 107
14.1.3 SMS Charging in 5G System Architecture Phase 1
14.2 Management and virtualization aspects of 5G networks and network slicing Word‑p. 108
15 Work Items for which no summary is needed Word‑p. 110
A Structure of 5GS Rel-15 3GPP work Word‑p. 112
B Process to get further information Word‑p. 114
$ Change history Word‑p. 118
