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TECHNICAL SPECIFICATION
LTE;
Evolved Universal Terrestrial Radio Access (E-UTRA)
and Evolved Universal Terrestrial
Radio Access Network (E-UTRAN);
Overall description;
Stage 2
(3GPP TS 36.300 version 15.5.0 Release 15)
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3GPP TS 36.300 version 15.5.0 Release 15 1 ETSI TS 136 300 V15.5.0 (2019-05)
Reference
RTS/TSGR-0236300vf50
Keywords
LTE
ETSI
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3GPP TS 36.300 version 15.5.0 Release 15 2 ETSI TS 136 300 V15.5.0 (2019-05)
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
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can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
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Foreword
This Technical Specification (TS) 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
.
Modal verbs terminology
In the present document "shall", "shall not", "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 TS 36.300 version 15.5.0 Release 15 3 ETSI TS 136 300 V15.5.0 (2019-05)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 17
1 Scope . 18
2 References . 18
3 Definitions, symbols and abbreviations . 21
3.1 Definitions . 21
3.2 Abbreviations . 24
4 Overall architecture . 29
4.0 General . 29
4.1 Functional Split . 30
4.2 Void . 32
4.2.1 Void . 32
4.2.2 Void . 32
4.3 Radio Protocol architecture . 32
4.3.0 General . 32
4.3.1 User plane . 33
4.3.2 Control plane . 33
4.4 Synchronization . 34
4.5 IP fragmentation . 34
4.6 Support of HeNBs . 34
4.6.1 Architecture . 34
4.6.2 Functional Split . 36
4.6.3 Interfaces. 38
4.6.3.1 Protocol Stack for S1 User Plane . 38
4.6.3.2 Protocol Stacks for S1 Control Plane . 39
4.6.3.3 Protocol Stack for S5 interface. 40
4.6.3.4 Protocol Stack for SGi interface . 40
4.6.3.5 Protocol Stack for X2 User Plane and X2 Control Plane . 40
4.6.4 Void . 40
4.6.5 Support of LIPA with HeNB . 40
4.6.6 Support of X2 GW . 42
4.6.6.1 Enhanced TNL Address Discovery . 43
4.6.6.2 Routing of X2AP messages . 43
4.6.6.3 (H)eNB unavailability . 43
4.6.6.4 (H)eNB registration . 43
4.7 Support for relaying. 43
4.7.1 General . 43
4.7.2 Architecture . 44
4.7.3 S1 and X2 user plane aspects . 44
4.7.4 S1 and X2 control plane aspects . 45
4.7.5 Radio protocol aspects . 46
4.7.6 Signalling procedures . 47
4.7.6.1 RN attach procedure . 47
4.7.6.2 E-RAB activation/modification. 48
4.7.6.3 RN startup procedure . 48
4.7.6.4 RN detach procedure . 49
4.7.6.5 Neighbouring Information Transfer . 50
4.7.6.6 Mobility to or from RN . 50
4.7.7 Relay Node OAM Aspects . 50
4.7.7.1 Architecture . 50
4.7.7.2 OAM Traffic QoS Requirements . 51
4.7.7.3 Security Aspects . 51
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3GPP TS 36.300 version 15.5.0 Release 15 4 ETSI TS 136 300 V15.5.0 (2019-05)
4.7.7.4 Void. 51
4.7.7.5 OAM Requirements for Configuration Parameters . 51
4.7.7.5.1 Parameters Associated with Relay Bearer Mapping . 51
4.8 Support of SIPTO at the Local Network . 51
4.8.1 General . 51
4.8.2 SIPTO at the Local Network with collocated L-GW . 52
4.8.3 Support for SIPTO@LN with Stand-Alone Gateway . 53
4.9 Support for Dual Connectivity . 53
4.9.1 General . 53
4.9.2 Radio Protocol Architecture . 53
4.9.3 Network Interfaces . 54
4.9.3.1 E-UTRAN Control Plane for Dual Connectivity . 54
4.9.3.2 E-UTRAN User Plane for Dual Connectivity . 54
4.9.3.3 Support of HeNBs for Dual Connectivity . 55
4.9.3.4 Support of SIPTO@LN and LIPA for Dual Connectivity . 55
4.10 NB-IoT . 57
4.11 Support for UE assistance information for local cache . 57
5 Physical Layer for E-UTRA . 57
5.0 Frame structures and channels . 57
5.1 Downlink Transmission Scheme . 60
5.1.1 Basic transmission scheme based on OFDM . 60
5.1.1a Basic transmission scheme based on OFDM for NB-IoT . 61
5.1.2 Physical-layer processing . 61
5.1.3 Physical downlink control channels . 61
5.1.4 Downlink Reference signal and synchronization signals . 63
5.1.4a Downlink Reference signal and synchronization signals for NB-IoT . 63
5.1.5 Downlink multi-antenna transmission . 63
5.1.5a Downlink multi-antenna transmission for NB-IoT . 64
5.1.6 MBSFN transmission . 64
5.1.7 Physical layer procedure . 64
5.1.7.1 Link adaptation . 64
5.1.7.2 Power Control . 64
5.1.7.3 Cell search . 64
5.1.7.3a Cell search for NB-IoT . 64
5.1.8 Physical layer measurements definition . 64
5.1.9 Coordinated Multi-Point transmission . 65
5.1.10 Wake-up signal for NB-IoT . 65
5.1.11 Wake-up signal for BL UE or UE in enhanced coverage . 65
5.2 Uplink Transmission Scheme . 65
5.2.1 Basic transmission scheme . 65
5.2.1a Basic transmission scheme for NB-IoT . 66
5.2.2 Physical-layer processing . 66
5.2.3 Physical uplink control channel . 67
5.2.3a Uplink control information for NB-IoT . 67
5.2.4 Uplink Reference signal . 67
5.2.4a Uplink Reference signal for NB-IoT . 68
5.2.5 Random access preamble . 68
5.2.5a Random access preamble for NB-IoT . 68
5.2.6 Uplink multi-antenna transmission . 68
5.2.7 Physical channel procedure. 69
5.2.7.1 Link adaptation . 69
5.2.7.2 Uplink Power control . 69
5.2.7.3 Uplink timing control . 69
5.2.8 Coordinated Multi-Point reception . 69
5.3 Transport Channels. 69
5.3.0 Transport channel types . 69
5.3.1 Mapping between transport channels and physical channels . 71
5.3.1a Mapping between transport channels and narrowband physical channels . 72
5.4 E-UTRA physical layer model . 72
5.4.1 Void . 73
5.4.2 Void . 73
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3GPP TS 36.300 version 15.5.0 Release 15 5 ETSI TS 136 300 V15.5.0 (2019-05)
5.5 Carrier Aggregation . 73
5.5.0 General . 73
5.5.1 SRS switching between component carriers . 73
5.5a Multi-carrier operation for NB-IoT . 74
5.6 Sidelink . 74
5.6.0 General . 74
5.6.1 Basic transmission scheme . 74
5.6.2 Physical-layer processing . 75
5.6.3 Physical Sidelink control channel . 75
5.6.4 Sidelink reference signals . 75
5.6.5 Physical channel procedure. 75
5.6.5.1 Sidelink power control . 75
5.6.6 Physical layer measurements definition . 75
5.7 Licensed-Assisted Access . 75
5.7.0 General . 75
5.7.1 Channel Access Priority Classes . 76
5.7.2 Multiplexing of data. 76
5.8 Short Processing Time . 77
5.9 Short Transmission Time Interval . 77
6 Layer 2 . 77
6.0 Overview . 77
6.1 MAC Sublayer . 79
6.1.0 General . 79
6.1.1 Services and Functions . 79
6.1.2 Logical Channels . 80
6.1.2.0 General . 80
6.1.2.1 Control Channels . 80
6.1.2.2 Traffic Channels . 81
6.1.3 Mapping between logical channels and transport channels . 81
6.1.3.1 Mapping in Uplink . 81
6.1.3.2 Mapping in Downlink . 81
6.1.3.3 Mapping in Sidelink . 82
6.2 RLC Sublayer . 83
6.2.0 General . 83
6.2.1 Services and Functions . 83
6.2.2 PDU Structure . 83
6.3 PDCP Sublayer . 84
6.3.0 General . 84
6.3.1 Services and Functions . 84
6.3.2 PDU Structure . 85
6.4 Carrier Aggregation .
...