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TECHNICAL SPECIFICATION
LTE;
Evolved Universal Terrestrial Radio Access (E-UTRA);
Physical channels and modulation
(3GPP TS 36.211 version 13.10.0 Release 13)
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3GPP TS 36.211 version 13.10.0 Release 13 1 ETSI TS 136 211 V13.10.0 (2018-07)
Reference
RTS/TSGR-0136211vda0
Keywords
LTE
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3GPP TS 36.211 version 13.10.0 Release 13 2 ETSI TS 136 211 V13.10.0 (2018-07)
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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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 36.211 version 13.10.0 Release 13 3 ETSI TS 136 211 V13.10.0 (2018-07)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 8
1 Scope . 9
2 References . 9
3 Symbols and abbreviations . 9
3.1 Symbols . 9
3.2 Abbreviations . 13
4 Frame structure . 14
4.1 Frame structure type 1 . 14
4.2 Frame structure type 2 . 15
4.3 Frame structure type 3 . 16
5 Uplink . 17
5.1 Overview . 17
5.1.1 Physical channels . 17
5.1.2 Physical signals . 17
5.2 Slot structure and physical resources. 17
5.2.1 Resource grid . 17
5.2.2 Resource elements . 19
5.2.3 Resource blocks . 19
5.2.4 Narrowbands . 19
5.2.5 Guard period for narrowband retuning . 19
5.3 Physical uplink shared channel . 21
5.3.1 Scrambling . 21
5.3.2 Modulation . 22
5.3.2A Layer mapping . 23
5.3.2A.1 Layer mapping for transmission on a single antenna port . 23
5.3.2A.2 Layer mapping for spatial multiplexing . 23
5.3.3 Transform precoding. 24
5.3.3A Precoding . 24
5.3.3A.1 Precoding for transmission on a single antenna port . 24
5.3.3A.2 Precoding for spatial multiplexing . 24
5.3.4 Mapping to physical resources. 27
5.4 Physical uplink control channel . 29
5.4.1 PUCCH formats 1, 1a and 1b . 30
5.4.2 PUCCH formats 2, 2a and 2b . 33
5.4.2A PUCCH format 3 . 34
5.4.2B PUCCH format 4 . 36
5.4.2C PUCCH format 5 . 36
5.4.3 Mapping to physical resources. 37
5.5 Reference signals . 40
5.5.1 Generation of the reference signal sequence . 40
RB
5.5.1.1 Base sequences of length 3N or larger . 40
sc
RB
5.5.1.2 Base sequences of length less than 3N . 41
sc
5.5.1.3 Group hopping . 43
5.5.1.4 Sequence hopping . 44
5.5.1.5 Determining virtual cell identity for sequence generation . 44
5.5.2 Demodulation reference signal . 45
5.5.2.1 Demodulation reference signal for PUSCH . 45
5.5.2.1.1 Reference signal sequence . 45
5.5.2.1.2 Mapping to physical resources . 46
5.5.2.2 Demodulation reference signal for PUCCH . 47
ETSI
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3GPP TS 36.211 version 13.10.0 Release 13 4 ETSI TS 136 211 V13.10.0 (2018-07)
5.5.2.2.1 Reference signal sequence . 47
5.5.2.2.2 Mapping to physical resources . 49
5.5.3 Sounding reference signal . 50
5.5.3.1 Sequence generation. 50
5.5.3.2 Mapping to physical resources . 50
5.5.3.3 Sounding reference signal subframe configuration . 53
5.6 SC-FDMA baseband signal generation . 54
5.7 Physical random access channel . 55
5.7.1 Time and frequency structure . 55
5.7.2 Preamble sequence generation . 62
5.7.3 Baseband signal generation. 65
5.8 Modulation and upconversion . 66
6 Downlink . 67
6.1 Overview . 67
6.1.1 Physical channels . 67
6.1.2 Physical signals . 67
6.2 Slot structure and physical resource elements . 68
6.2.1 Resource grid . 68
6.2.2 Resource elements . 69
6.2.3 Resource blocks . 70
6.2.3.1 Virtual resource blocks of localized type . 70
6.2.3.2 Virtual resource blocks of distributed type . 70
6.2.4 Resource-element groups . 72
6.2.4A Enhanced Resource-Element Groups (EREGs) . 72
6.2.5 Guard period for half-duplex FDD operation . 73
6.2.6 Guard Period for TDD Operation . 73
6.2.7 Narrowbands . 73
6.2.8 Guard period for narrowband retuning . 73
6.3 General structure for downlink physical channels . 73
6.3.1 Scrambling . 74
6.3.2 Modulation . 75
6.3.3 Layer mapping . 75
6.3.3.1 Layer mapping for transmission on a single antenna port . 75
6.3.3.2 Layer mapping for spatial multiplexing . 75
6.3.3.3 Layer mapping for transmit diversity . 78
6.3.4 Precoding . 78
6.3.4.1 Precoding for transmission on a single antenna port . 78
6.3.4.2 Precoding for spatial multiplexing using antenna ports with cell-specific reference signals . 78
6.3.4.2.1 Precoding without CDD . 78
6.3.4.2.2 Precoding for large delay CDD . 79
6.3.4.2.3 Codebook for precoding and CSI reporting . 80
6.3.4.3 Precoding for transmit diversity . 81
6.3.4.4 Precoding for spatial multiplexing using antenna ports with UE-specific reference signals. 82
6.3.5 Mapping to resource elements . 82
6.4 Physical downlink shared channel . 83
6.4.1 Physical downlink shared channel for BL/CE UEs . 84
6.5 Physical multicast channel . 86
6.6 Physical broadcast channel . 86
6.6.1 Scrambling . 86
6.6.2 Modulation . 87
6.6.3 Layer mapping and precoding . 87
6.6.4 Mapping to resource elements . 87
6.7 Physical control format indicator channel . 88
6.7.1 Scrambling . 88
6.7.2 Modulation . 89
6.7.3 Layer mapping and precoding . 89
6.7.4 Mapping to resource elements . 89
6.8 Physical downlink control channel . 89
6.8.1 PDCCH formats . 89
6.8.2 PDCCH multiplexing and scrambling . 90
6.8.3 Modulation . 90
ETSI
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3GPP TS 36.211 version 13.10.0 Release 13 5 ETSI TS 136 211 V13.10.0 (2018-07)
6.8.4 Layer mapping and precoding . 90
6.8.5 Mapping to resource elements . 91
6.8A Enhanced physical downlink control channel . 91
6.8A.1 EPDCCH formats . 92
6.8A.2 Scrambling . 93
6.8A.3 Modulation . 93
6.8A.4 Layer mapping and precoding . 93
6.8A.5 Mapping to resource elements . 93
6.8B MTC physical downlink control channel . 95
6.8B.1 MPDCCH formats . 95
6.8B.2 Scrambling . 95
6.8B.3 Modulation . 96
6.8B.4 Layer mapping and precoding . 96
6.8B.5 Mapping to resource elements . 96
6.9 Physical hybrid ARQ indicator channel . 98
6.9.1 Modulation . 99
6.9.2 Resource group alignment, layer mapping and precoding . 100
6.9.3 Mapping to resource elements . 101
6.10 Reference signals . 103
6.10.1 Cell-specific Reference Signal (CRS). 103
6.10.1.1 Sequence generation. 104
6.10.1.2 Mapping to resource elements. 104
6.10.2 MBSFN reference signals . 106
6.10.2.1 Sequence generation. 106
6.10.2.2 Mapping to resource elements. 106
6.10.3 UE-specific reference signals associated with PDSCH . 108
6.10.3.1 Sequence generation. 109
6.10.3.2 Mapping to resource elements. 110
6.10.3A Demodulation reference signals associated with EPDCCH or MPDCCH . 115
6.10.3A.1 Sequence generation. 115
6.10.3A.2 Mapping to resource elements. 116
6.10.4 Positioning reference signals . 117
6.10.4.1 Sequence generation. 118
6.10.4.2 Mapping to resource elements. 118
6.10.4.3 Positioning reference signal subframe configuration . 119
6.10.5 CSI reference signals . 120
6.10.5.1 Sequence generation. 120
6.10.5.2 Mapping to resource elements. 121
6.10.5.3 CSI reference signal subframe configuration . 126
6.11 Synchronization signals . 126
6.11.1 Primary synchronization signal (PSS) . 126
6.11.1.1 Sequence generation. 126
6.11.1.2 Mapping to resource elements. 127
6.11.2 Secondary synchronization signal (SSS) .
...