ETSI TR 121 914 V14.0.0 (2018-06)

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 5G; Release description; Release 14 (3GPP TR 21.914 version 14.0.0 Release 14)

DTR/TSGS-0021914ve00

General Information

• Status: Published
• Publication Date: 27-Jun-2018
• Technical Committee: 3GPP SA - Technical Specification Group Services and System Aspects
• Current Stage: 12 - Completion
• Completion Date: 28-Jun-2018

Standards Content (Sample)

ETSI TR 121 914 V14.0.0 (2018-06)






TECHNICAL REPORT
Digital cellular telecommunications system (Phase 2+) (GSM);
Universal Mobile Telecommunications System (UMTS);
LTE;
5G;
Release description;
Release 14
(3GPP TR 21.914 version 14.0.0 Release 14)

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3GPP TR 21.914 version 14.0.0 Release 14 1 ETSI TR 121 914 V14.0.0 (2018-06)



Reference
DTR/TSGS-0021914ve00
Keywords
5G,GSM,LTE,UMTS
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3GPP TR 21.914 version 14.0.0 Release 14 2 ETSI TR 121 914 V14.0.0 (2018-06)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (https://ipr.etsi.org/).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
Foreword
This Technical Report (TR) has been produced by ETSI 3rd Generation Partnership Project (3GPP).
The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or
GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables.
The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under
http://webapp.etsi.org/key/queryform.asp.
Modal verbs terminology
In the present document "should", "should not", "may", "need not", "will", "will not", "can" and "cannot" are to be
interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI

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3GPP TR 21.914 version 14.0.0 Release 14 3 ETSI TR 121 914 V14.0.0 (2018-06)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 6
Introduction . 6
1 Scope . 7
2 References . 7
3 Definitions, symbols and abbreviations . 7
3.1 Definitions . 7
3.2 Abbreviations . 7
4 Process to get further information . 8
4.1 Introduction . 8
4.2 Direct method . 8
4.3 Step by step method . 9
5 Rel-14 Executive Summary . 11
6 Mission Critical related items . 12
6.1 Mission Critical Improvements general aspects . 12
6.1.1 Re-organizing the MCPTT Stage 1 documents . 12
6.1.2 Re-organizing the MCPTT Stage 2 documents . 12
6.1.3 MCPTT documents structure . 13
6.2 Mission Critical Push to Talk over LTE Realignment . 14
6.3 Mission Critical Services Common Requirements . 15
6.4 Mission Critical Video over LTE . 15
6.5 Mission Critical Data over LTE . 17
6.6 Common functional architecture to support mission critical services . 18
6.7 Enhancements for Mission Critical Push To Talk . 19
7 Vehicle-to-Everything (V2X) related items . 21
7.1 LTE support for V2X services . 21
7.2 Support for V2V services based on LTE sidelink . 28
8 Cellular Internet of Things (CIoT) related items . 31
8.1 System improvements for MTC . 31
8.1.1 Extended architecture support for Cellular Internet of Things . 31
8.1.2 Enhancements of Dedicated Core Networks selection mechanism . 33
8.2 LTE enhancements for MTC . 33
8.2.1 Further enhanced MTC for LTE . 33
8.3 GPRS/GERAN enhancements for MTC . 35
8.3.1 New band support for Rel-14 Narrowband Internet of Things (NB-IOT) . 35
8.3.2 Enhancements of NB-IoT . 35
8.3.3 Non-IP for Cellular Internet of Things (CIoT) for 2G/3G-GPRS(EC-EGPRS) . 38
8.3.4 Radio Interface Enhancements for Extended Coverage GSM for support of Cellular Internet of

Things . 38
8.3.5 Dedicated Core Networks for GERAN . 40
9 Voice and Multimedia related items . 41
9.1 VoLTE related items . 41
9.1.1 S8 Home Routing Architecture for VoLTE . 41
9.1.2 Robust Call Setup for VoLTE subscriber in LTE . 42
9.1.3 Enhancements to Domain Selection between VoLTE and CDMA CS . 47
9.2 MBMS improvements . 47
9.2.1 MBMS Transport Protocol and APIs . 47
9.2.2 eMBMS enhancements for LTE . 49
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3GPP TR 21.914 version 14.0.0 Release 14 4 ETSI TR 121 914 V14.0.0 (2018-06)
9.3 IMS related items . 49
9.3.1 Evolution to and Interworking with eCall in IMS . 49
9.3.2 Password-based service activation for IMS Multimedia Telephony service . 50
9.3.3 Media Handling Extensions of IMS-based Telepresence . 51
9.3.4 SIP Reason header extension . 51
9.3.5 Diameter Load Control Mechanism . 51
9.3.6 Diameter Base Protocol Specification Update . 52
9.3.7 Determination of Completeness of Charging Information in IMS. 53
9.3.8 SCC AS Restoration . 53
9.4 Other Voice and Multimedia related items . 54
9.4.1 Multimedia Priority Service Modifications . 54
9.4.2 Enhancements to Multi-stream Multiparty Conferencing Media Handling . 55
9.4.3 Enhancement for TV service . 56
9.4.4 Improved Streaming QoE Reporting in 3GPP (IQoE) . 57
9.4.4a Quality of Experience (QoE) Measurement Collection for streaming services in UTRAN . 57
9.4.5 Development of super-wideband and fullband P.835 . 58
10 Location and positioning related items . 59
10.1 Enhancements to User Location Reporting Support . 59
10.2 Enhancing Location Capabilities for Indoor and Outdoor Emergency Communications . 60
10.3 Further Indoor Positioning Enhancements for UTRA and LTE . 60
10.4 Improvements of awareness of user location change . 61
11 Radio improvements. 63
11.1 WLAN and unlicensed spectrum related items . 63
11.1.1 EIR check for WLAN access to EPC. 63
11.1.2 Support of EAP Re-authentication Protocol for WLAN Interworking . 63
11.1.3 Phase 2 of the Support of Emergency services over WLAN . 64
11.1.4 T-ADS supporting WLAN Access . 65
11.1.5 Enhanced LTE-WLAN Aggregation (LWA). 65
11.1.6 Enhanced LTE WLAN Radio Level Integration with IPsec Tunnel (eLWIP) . 66
11.2 GERAN and GPRS related items . 67
11.2.1 Positioning Enhancements for GERAN . 67
11.2.2 New GPRS algorithms for EASE . 68
11.2.3 Positioning Enhancements for GERAN . 69
11.2.4 Other GERAN items . 69
11.3 UMTS related items . 69
11.3.1 RRC optimization for UMTS. 69
11.3.2 Multi-Carrier Enhancements for UMTS . 69
11.3.3 DTX/DRX enhancements in CELL_FACH . 70
11.4 LTE related items . 71
11.4.1 LTE radio improvements . 71
11.4.1.1 Radiated performance requirements for the verification of multi-antenna reception of UEs in
LTE . 71
11.4.1.2 Enhancements on Full-Dimension (FD) MIMO for LTE . 72
11.4.1.3 Further mobility enhancements in LTE. 73
11.4.1.4 Uplink Capacity Enhancements for LTE . 74
11.4.1.5 L2 latency reduction techniques for LTE . 74
11.4.1.6 SRS (sounding reference signal) switching between LTE component carriers . 75
11.4.1.7 Downlink Multiuser Superposition Transmission for LTE . 77
11.4.1.8 Flexible eNB-ID and Cell-ID in E-UTRAN . 78
11.4.1.9 Four receiver (4Rx) antenna ports with Carrier Aggregation (CA) for LTE downlink (DL) . 79
11.4.1.10 Requirements for a new UE category with single receiver based on Category 1 for LTE . 79
11.4.1.11 Enhanced LAA for LTE . 80
11.4.1.12 Performance enhancements for high speed scenario in LTE . 81
11.4.1.13 LTE Measurement Gap Enhancement . 82
11.4.2 LTE bands related items . 83
11.4.2.1 Multi-Band Base Station testing with three or more bands . 83
12 System improvements . 84
12.1 Control and User Plane Separation of EPC nodes . 84
12.2 Paging Policy Enhancements and Procedure . 85
12.3 Shared Subscription Data Update . 86
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12.4 Service Domain Centralization . 86
12.5 Control of Applications when Third party Servers encounter difficulties . 87
12.6 PS Data Off Services . 87
12.7 Enhancement to Flexible Mobile Service Steering . 88
12.8 Sponsored data connectivity improvements . 89
12.9 Group based enhancements in the network capability exposure functions . 90
12.10 Improved operator control using new UE configuration parameters . 91
12.11 Charging and OAM stand alone improvements . 91
12.11.1 OAM14 Rel-14 Operations, Administration, Maintenance and Provisioning (OAM&P) . 91
12.11.2 Filtering of PM measurements and data volume. 93
12.11.3 OAM support for Licensed Shared Access (LSA) . 93
12.11.4 Rel-14 Chargi ng . 94
12.12 Extension of UE Delay test methods and requirements . 95
12.13 Security Assurance Specification for 3GPP network products . 95
13 Rel-14 Work Items not subject to summaries . 96
13.1 Introduction . 96
13.2 Rel-14 Work Items without summary . 96
13.2.1 Addition of band 25 and 26 to LTE MTC cat.0 . 96
13.2.2 Addition of bands 25 and 40 to LTE MTC cat.1 . 97
13.2.3 UE Conformance Test Aspects – IMS for Converged IP Communications . 97
13.2.4 Citizens Broadband Radio Service (CBRS) 3.5GHz band for LTE in the United States . 97
13.2.5 LTE UE Total Radiated Power (TRP) and Total Radiated Sensitivity (TRS) and UTRA Hand

Phantom related UE TRP and TRS Requirements . 97
13.2.6 AWS-3/4 Band for LTE . 97
13.2.7 LTE FDD in the Bands 1980-2010 MHz and 2170-2200MHz for Region 3 . 98
13.2.8 Addition of 1.4 and 3 MHz Channel Bandwidth to E-UTRA operating band 65 for CGC
(Complementary Ground Component) operations in Region 1 . 98
13.2.9 LTE 2.6 GHz FDD Supplemental DL band (2570-2620 MHz) and LTE Carrier Aggregation

(2DL/1UL) with Band 3 for region 1 . 98
13.2.10 LTE Band 41 UE power class 2 operation . 98
13.2.10 Introduction of new band support for 4Rx antenna ports for LTE . 98
13.2.11 LTE Carrier Aggregation . 99
13.2.12.1 Rel-14 LTE Carrier Aggregation . 99
13.2.12.2 Rel-14 LTE Advanced inter-band Carrier Aggregation . 99
13.2.12 Stage-3 SAE Protocol Development - Phase 5 . 100
13.2.13 AT Commands for CIoT . 100
13.2.14 Protocol enhancements for MCPTT over LTE . 101
13.2.15 IMS Signalling Activated Trace . 101
13.2.16 Lawful Interception Rel-14 . 101
13.2.17 User Controlled Spoofed Call Treatment . 101
13.2.18 IMS Stage-3 IETF Protocol Alignment . 101
Annex A: Change history . 102
History . 103

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3GPP TR 21.914 version 14.0.0 Release 14 6 ETSI TR 121 914 V14.0.0 (2018-06)
Foreword
This Technical Report has been produced by the 3rd Generation Partnership Project (3GPP).
The contents of the present document are subject to continuing work within the TSG and may change following formal
TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an
identifying change of release date and an increase in version number as follows:
Version x.y.z
where:
x the first digit:
1 presented to TSG for information;
2 presented to TSG for approval;
3 or greater indicates TSG approved document under change control.
y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections,
updates, etc.
z the third digit is incremented when editorial only changes have been incorporated in the document.
Introduction
The present document provides a summary of the Release 14 Features and other significant Work Items for which a
summary has been agreed to be provided.
There is one clause per Feature. Each clauses begins with a table providing references that can be used to get further
information, as described in clause 4. This table is then followed by a summary of what the feature does and how it does
it.
The summaries are based inputs from the Rapporteur, provided as tdoc number to the plenary. The tdoc number where
the original version of the summary can be found is provided in the first sentence of each clause.
ETSI

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3GPP TR 21.914 version 14.0.0 Release 14 7 ETSI TR 121 914 V14.0.0 (2018-06)
1 Scope
The present document provides a summary of each Feature or, whenever needed, of each significant Work Item,
introduced in Release 14.
The information provided in the present document is limited to an overview of each feature, explaining, in about a page,
its purpose and the main lines of its behaviour.
The next step to retrieve more information on a given feature is to consult the 3GPP Ultimate web site, as explained in
Clause 4.
This document presents the "initial state" of the Features introduced in Release 14, i.e. as they are by the time of
publication of this document. It is however important to note th
...