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 15.9.0 Release 15)

RTS/TSGR-0236300vf90

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Status
Published
Publication Date
15-Apr-2020
Current Stage
12 - Completion
Completion Date
16-Apr-2020
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ETSI TS 136 300 V15.9.0 (2020-04) - 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 15.9.0 Release 15)
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ETSI TS 136 300 V15.9.0 (2020-04)
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 15.9.0 Release 15)
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3GPP TS 36.300 version 15.9.0 Release 15 1 ETSI TS 136 300 V15.9.0 (2020-04)
Reference
RTS/TSGR-0236300vf90
Keywords
LTE
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3GPP TS 36.300 version 15.9.0 Release 15 2 ETSI TS 136 300 V15.9.0 (2020-04)
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ETSI
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3GPP TS 36.300 version 15.9.0 Release 15 3 ETSI TS 136 300 V15.9.0 (2020-04)
Contents

Intellectual Property Rights ................................................................................................................................ 2

Legal Notice ....................................................................................................................................................... 2

Modal verbs terminology .................................................................................................................................... 2

Foreword ........................................................................................................................................................... 18

1 Scope ...................................................................................................................................................... 19

2 References .............................................................................................................................................. 19

3 Definitions, symbols and abbreviations ................................................................................................. 22

3.1 Definitions ........................................................................................................................................................ 22

3.2 Abbreviations ................................................................................................................................................... 25

4 Overall architecture ................................................................................................................................ 30

4.0 General ............................................................................................................................................................. 30

4.1 Functional Split ................................................................................................................................................ 31

4.2 Void .................................................................................................................................................................. 33

4.2.1 Void ............................................................................................................................................................ 33

4.2.2 Void ............................................................................................................................................................ 33

4.3 Radio Protocol architecture .............................................................................................................................. 33

4.3.0 General ........................................................................................................................................................ 33

4.3.1 User plane ................................................................................................................................................... 34

4.3.2 Control plane .............................................................................................................................................. 34

4.4 Synchronization ................................................................................................................................................ 35

4.5 IP fragmentation ............................................................................................................................................... 35

4.6 Support of HeNBs ............................................................................................................................................ 35

4.6.1 Architecture ................................................................................................................................................ 35

4.6.2 Functional Split ........................................................................................................................................... 37

4.6.3 Interfaces..................................................................................................................................................... 39

4.6.3.1 Protocol Stack for S1 User Plane .......................................................................................................... 39

4.6.3.2 Protocol Stacks for S1 Control Plane .................................................................................................... 40

4.6.3.3 Protocol Stack for S5 interface.............................................................................................................. 41

4.6.3.4 Protocol Stack for SGi interface ............................................................................................................ 41

4.6.3.5 Protocol Stack for X2 User Plane and X2 Control Plane ...................................................................... 41

4.6.4 Void ............................................................................................................................................................ 41

4.6.5 Support of LIPA with HeNB ...................................................................................................................... 41

4.6.6 Support of X2 GW ...................................................................................................................................... 43

4.6.6.1 Enhanced TNL Address Discovery ....................................................................................................... 44

4.6.6.2 Routing of X2AP messages .................................................................................................................. 44

4.6.6.3 (H)eNB unavailability ........................................................................................................................... 44

4.6.6.4 (H)eNB registration ............................................................................................................................... 44

4.7 Support for relaying.......................................................................................................................................... 44

4.7.1 General ........................................................................................................................................................ 44

4.7.2 Architecture ................................................................................................................................................ 45

4.7.3 S1 and X2 user plane aspects ...................................................................................................................... 45

4.7.4 S1 and X2 control plane aspects ................................................................................................................. 46

4.7.5 Radio protocol aspects ................................................................................................................................ 47

4.7.6 Signalling procedures ................................................................................................................................. 48

4.7.6.1 RN attach procedure .............................................................................................................................. 48

4.7.6.2 E-RAB activation/modification............................................................................................................. 49

4.7.6.3 RN startup procedure ............................................................................................................................ 49

4.7.6.4 RN detach procedure ............................................................................................................................. 50

4.7.6.5 Neighbouring Information Transfer ...................................................................................................... 51

4.7.6.6 Mobility to or from RN ......................................................................................................................... 51

4.7.7 Relay Node OAM Aspects ......................................................................................................................... 51

4.7.7.1 Architecture ........................................................................................................................................... 51

4.7.7.2 OAM Traffic QoS Requirements .......................................................................................................... 52

4.7.7.3 Security Aspects .................................................................................................................................... 52

ETSI
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3GPP TS 36.300 version 15.9.0 Release 15 4 ETSI TS 136 300 V15.9.0 (2020-04)

4.7.7.4 Void....................................................................................................................................................... 52

4.7.7.5 OAM Requirements for Configuration Parameters ............................................................................... 52

4.7.7.5.1 Parameters Associated with Relay Bearer Mapping ........................................................................ 52

4.8 Support of SIPTO at the Local Network .......................................................................................................... 52

4.8.1 General ........................................................................................................................................................ 52

4.8.2 SIPTO at the Local Network with collocated L-GW .................................................................................. 53

4.8.3 Support for SIPTO@LN with Stand-Alone Gateway ................................................................................. 54

4.9 Support for Dual Connectivity ......................................................................................................................... 54

4.9.1 General ........................................................................................................................................................ 54

4.9.2 Radio Protocol Architecture ....................................................................................................................... 54

4.9.3 Network Interfaces ...................................................................................................................................... 55

4.9.3.1 E-UTRAN Control Plane for Dual Connectivity .................................................................................. 55

4.9.3.2 E-UTRAN User Plane for Dual Connectivity ....................................................................................... 55

4.9.3.3 Support of HeNBs for Dual Connectivity ............................................................................................. 56

4.9.3.4 Support of SIPTO@LN and LIPA for Dual Connectivity .................................................................... 56

4.10 NB-IoT ............................................................................................................................................................. 58

4.11 Support for UE assistance information for local cache .................................................................................... 58

5 Physical Layer for E-UTRA ................................................................................................................... 58

5.0 Frame structures and channels .......................................................................................................................... 58

5.1 Downlink Transmission Scheme ...................................................................................................................... 61

5.1.1 Basic transmission scheme based on OFDM .............................................................................................. 61

5.1.1a Basic transmission scheme based on OFDM for NB-IoT ........................................................................... 62

5.1.2 Physical-layer processing ........................................................................................................................... 62

5.1.3 Physical downlink control channels ............................................................................................................ 62

5.1.4 Downlink Reference signal and synchronization signals ............................................................................ 64

5.1.4a Downlink Reference signal and synchronization signals for NB-IoT ........................................................ 64

5.1.5 Downlink multi-antenna transmission ........................................................................................................ 64

5.1.5a Downlink multi-antenna transmission for NB-IoT ..................................................................................... 65

5.1.6 MBSFN transmission .................................................................................................................................. 65

5.1.7 Physical layer procedure ............................................................................................................................. 65

5.1.7.1 Link adaptation ..................................................................................................................................... 65

5.1.7.2 Power Control ....................................................................................................................................... 65

5.1.7.3 Cell search ............................................................................................................................................. 65

5.1.7.3a Cell search for NB-IoT .......................................................................................................................... 65

5.1.8 Physical layer measurements definition ...................................................................................................... 65

5.1.9 Coordinated Multi-Point transmission ........................................................................................................ 66

5.1.10 Wake-up signal for NB-IoT ........................................................................................................................ 66

5.1.11 Wake-up signal for BL UE or UE in enhanced coverage ........................................................................... 66

5.2 Uplink Transmission Scheme ........................................................................................................................... 66

5.2.1 Basic transmission scheme ......................................................................................................................... 66

5.2.1a Basic transmission scheme for NB-IoT ...................................................................................................... 67

5.2.2 Physical-layer processing ........................................................................................................................... 67

5.2.3 Physical uplink control channel .................................................................................................................. 68

5.2.3a Uplink control information for NB-IoT ...................................................................................................... 68

5.2.4 Uplink Reference signal .............................................................................................................................. 68

5.2.4a Uplink Reference signal for NB-IoT .......................................................................................................... 69

5.2.5 Random access preamble ............................................................................................................................ 69

5.2.5a Random access preamble for NB-IoT ......................................................................................................... 69

5.2.6 Uplink multi-antenna transmission ............................................................................................................. 69

5.2.7 Physical channel procedure......................................................................................................................... 70

5.2.7.1 Link adaptation ..................................................................................................................................... 70

5.2.7.2 Uplink Power control ............................................................................................................................ 70

5.2.7.3 Uplink timing control ............................................................................................................................ 70

5.2.8 Coordinated Multi-Point reception ............................................................................................................. 70

5.3 Transport Channels........................................................................................................................................... 70

5.3.0 Transport channel types .............................................................................................................................. 70

5.3.1 Mapping between transport channels and physical channels ...................................................................... 72

5.3.1a Mapping between transport channels and narrowband physical channels .................................................. 73

5.4 E-UTRA physical layer model ......................................................................................................................... 73

5.4.1 Void ............................................................................................................................................................ 74

5.4.2 Void ............................................................................................................................................................ 74

ETSI
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3GPP TS 36.300 version 15.9.0 Release 15 5 ETSI TS 136 300 V15.9.0 (2020-04)

5.5 Carrier Aggregation .......................................................................................................................................... 74

5.5.0 General ........................................................................................................................................................ 74

5.5.1 SRS switching between component carriers ............................................................................................... 74

5.5a Multi-carrier operation for NB-IoT .................................................................................................................. 75

5.6 Sidelink ............................................................................................................................................................ 75

5.6.0 General ........................................................................................................................................................ 75

5.6.1 Basic transmission scheme ......................................................................................................................... 75

5.6.2 Physical-layer processing ........................................................................................................................... 76

5.6.3 Physical Sidelink control channel ............................................................................................................... 76

5.6.4 Sidelink reference signals ........................................................................................................................... 76

5.6.5 Physical channel procedure......................................................................................................................... 76

5.6.5.1 Sidelink power control .......................................................................................................................... 76

5.6.6 Physical layer measurements definition ...................................................................................................... 76

5.7 Licensed-Assisted Access ................................................................................................................................ 76

5.7.0 General ........................................................................................................................................................ 76

5.7.1 Channel Access Priority Classes ................................................................................................................. 77

5.7.2 Multiplexing of data.................................................................................................................................... 77

5.8 Short Processing Time ...................................................................................................................................... 78

5.9 Short Transmission Time Interval .................................................................................................................... 78

6 Layer 2 .................................................................................................................................................... 78

6.0 Overview .......................................................................................................................................................... 78

6.1 MAC Sublayer .................................................................................................................................................. 80

6.1.0 General ........................................................................................................................................................ 80

6.1.1 Services and Functions ............................................................................................................................... 80

6.1.2 Logical Channels ........................................................................................................................................ 81

6.1.2.0 General .................................................................................................................................................. 81

6.1.2.1 Control Channels ................................................................................................................................... 81

6.1.2.2 Traffic Channels .................................................................................................................................... 82

6.1.3 Mapping between logical channels and transport channels ........................................................................ 82

6.1.3.1 Mapping in Uplink ................................................................................................................................ 82

6.1.3.2 Mapping in Downlink ........................................................................................................................... 82

6.1.3.3 Mapping in Sidelink .............................................................................................................................. 83

6.2 RLC Sublayer ................................................................................................................................................... 84

6.2.0 General ........................................................................................................................................................ 84

6.2.1 Services and Functions ............................................................................................................................... 84

6.2.2 PDU Structure ............................................................................................................................................. 84

6.3 PDCP Sublayer ................................................................................................................................................. 85

6.3.0 General ........................................................................................................................................................ 85

6.3.1 Services and Functions ............................................................................................................................... 85

6.3.2 PDU Structure ............................................................................................................................................. 86

6.4 Carrier Aggregation ...........................................................................................................

...

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