1、 ETSI TS 138 211 V15.2.0 (2018-07) 5G; NR; Physical channels and modulation (3GPP TS 38.211 version 15.2.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 138 211 V15.2.0 (2018-07)13GPP TS 38.211 version 15.2.0 Release 15Reference DTS/TSGR-0138211vf20 Keywords 5G ETSI 650 Route des Lucioles F-06921
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13、 products, services or organizations associated with those trademarks. 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
14、 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 “shall“, “shall not“, “
15、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
16、. ETSI ETSI TS 138 211 V15.2.0 (2018-07)33GPP TS 38.211 version 15.2.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 6g31 Scope 7g32 References 7g33 Definitions, symbols and abbreviations . 7g33.1 Definitions 7g33.2 Symbols 7g33.3 Abbreviation
17、s . 9g34 Frame structure and physical resources 9g34.1 General . 9g34.2 Numerologies . 9g34.3 Frame structure . 10g34.3.1 Frames and subframes 10g34.3.2 Slots 10g34.4 Physical resources 11g34.4.1 Antenna ports 11g34.4.2 Resource grid 11g34.4.3 Resource elements 11g34.4.4 Resource blocks 12g34.4.4.1
18、General 12g34.4.4.2 Point A 12g34.4.4.3 Common resource blocks 12g34.4.4.4 Physical resource blocks . 12g34.4.4.5 Virtual resource blocks . 12g34.4.5 Bandwidth part 12g34.5 Carrier aggregation . 13g35 Generic functions . 13g35.1 Modulation mapper 13g35.1.1 g652/2-BPSK 13g35.1.2 BPSK 13g35.1.3 QPSK 1
19、3g35.1.4 16QAM . 13g35.1.5 64QAM. 13g35.1.6 256QAM . 14g35.2 Sequence generation . 14g35.2.1 Pseudo-random sequence generation 14g35.2.2 Low-PAPR sequence generation 14g35.2.2.1 Base sequences of length 36 or larger . 14g35.2.2.2 Base sequences of length less than 36 . 15g35.3 OFDM baseband signal g
20、eneration 18g35.3.1 OFDM baseband signal generation for all channels except PRACH 18g35.3.2 OFDM baseband signal generation for PRACH . 19g35.4 Modulation and upconversion 20g36 Uplink . 21g36.1 Overview 21g36.1.1 Overview of physical channels . 21g36.1.2 Overview of physical signals 21g36.2 Physica
21、l resources 21g36.3 Physical channels . 21g36.3.1 Physical uplink shared channel . 21g36.3.1.1 Scrambling 21g3ETSI ETSI TS 138 211 V15.2.0 (2018-07)43GPP TS 38.211 version 15.2.0 Release 156.3.1.2 Modulation 22g36.3.1.3 Layer mapping 22g36.3.1.4 Transform precoding . 23g36.3.1.5 Precoding 23g36.3.1.
22、6 Mapping to virtual resource blocks . 27g36.3.1.7 Mapping from virtual to physical resource blocks 27g36.3.2 Physical uplink control channel 27g36.3.2.1 General 27g36.3.2.2 Sequence and cyclic shift hopping 28g36.3.2.2.1 Group and sequence hopping 28g36.3.2.2.2 Cyclic shift hopping 28g36.3.2.3 PUCC
23、H format 0 . 29g36.3.2.3.1 Sequence generation 29g36.3.2.3.2 Mapping to physical resources 29g36.3.2.4 PUCCH format 1 . 29g36.3.2.4.1 Sequence modulation . 29g36.3.2.4.2 Mapping to physical resources 30g36.3.2.5 PUCCH format 2 . 31g36.3.2.5.1 Scrambling . 31g36.3.2.5.2 Modulation 31g36.3.2.5.3 Mappi
24、ng to physical resources 31g36.3.2.6 PUCCH formats 3 and 4 . 31g36.3.2.6.1 Scrambling . 31g36.3.2.6.2 Modulation 32g36.3.2.6.3 Block-wise spreading 32g36.3.2.6.4 Transform precoding . 33g36.3.2.6.5 Mapping to physical resources 33g36.3.3 Physical random-access channel . 33g36.3.3.1 Sequence generati
25、on 33g36.3.3.2 Mapping to physical resources 39g36.4 Physical signals 58g36.4.1 Reference signals 58g36.4.1.1 Demodulation reference signal for PUSCH 58g36.4.1.1.1 Sequence generation 58g36.4.1.1.2 (void) . 59g36.4.1.1.3 Precoding and mapping to physical resources . 59g36.4.1.2 Phase-tracking refere
26、nce signals for PUSCH 63g36.4.1.2.1 Sequence generation 63g36.4.1.2.1.1 Sequence generation if transform precoding is not enabled . 63g36.4.1.2.1.2 Sequence generation if transform precoding is enabled . 64g36.4.1.2.2 Mapping to physical resources 64g36.4.1.2.2.1 Precoding and mapping to physical re
27、sources if transform precoding is not enabled 64g36.4.1.2.2.2 Mapping to physical resources if transform precoding is enabled . 66g36.4.1.3 Demodulation reference signal for PUCCH 67g36.4.1.3.1 Demodulation reference signal for PUCCH format 1 67g36.4.1.3.1.1 Sequence generation 67g36.4.1.3.1.2 Mappi
28、ng to physical resources . 68g36.4.1.3.2 Demodulation reference signal for PUCCH format 2 68g36.4.1.3.2.1 Sequence generation 68g36.4.1.3.2.2 Mapping to physical resources . 68g36.4.1.3.3 Demodulation reference signal for PUCCH formats 3 and 4 69g36.4.1.3.3.1 Sequence generation 69g36.4.1.3.3.2 Mapp
29、ing to physical resources . 69g36.4.1.4 Sounding reference signal . 70g36.4.1.4.1 SRS resource . 70g36.4.1.4.2 Sequence generation 70g36.4.1.4.3 Mapping to physical resources 71g36.4.1.4.4 Sounding reference signal slot configuration 75g37 Downlink 75g37.1 Overview 75g37.1.1 Overview of physical cha
30、nnels . 75g3ETSI ETSI TS 138 211 V15.2.0 (2018-07)53GPP TS 38.211 version 15.2.0 Release 157.1.2 Overview of physical signals 75g37.2 Physical resources 75g37.3 Physical channels . 76g37.3.1 Physical downlink shared channel 76g37.3.1.1 Scrambling 76g37.3.1.2 Modulation 76g37.3.1.3 Layer mapping 76g3
31、7.3.1.4 Antenna port mapping . 77g37.3.1.5 Mapping to virtual resource blocks . 78g37.3.1.6 Mapping from virtual to physical resource blocks 78g37.3.2 Physical downlink control channel (PDCCH) 79g37.3.2.1 Control-channel element (CCE) 79g37.3.2.2 Control-resource set (CORESET) . 79g37.3.2.3 Scrambli
32、ng 80g37.3.2.4 PDCCH modulation 81g37.3.2.5 Mapping to physical resources 81g37.3.3 Physical broadcast channel . 81g37.3.3.1 Scrambling 81g37.3.3.2 Modulation 81g37.3.3.3 Mapping to physical resources 81g37.4 Physical signals 82g37.4.1 Reference signals 82g37.4.1.1 Demodulation reference signals for
33、 PDSCH . 82g37.4.1.1.1 Sequence generation 82g37.4.1.1.2 Mapping to physical resources 82g37.4.1.2 Phase-tracking reference signals for PDSCH 86g37.4.1.2.1 Sequence generation 86g37.4.1.2.2 Mapping to physical resources 86g37.4.1.3 Demodulation reference signals for PDCCH 87g37.4.1.3.1 Sequence gene
34、ration 87g37.4.1.3.2 Mapping to physical resources 88g37.4.1.4 Demodulation reference signals for PBCH . 88g37.4.1.4.1 Sequence generation 88g37.4.1.4.2 Mapping to physical resources 89g37.4.1.5 CSI reference signals. 89g37.4.1.5.1 General 89g37.4.1.5.2 Sequence generation 89g37.4.1.5.3 Mapping to p
35、hysical resources 89g37.4.2 Synchronization signals 92g37.4.2.1 Physical-layer cell identities 92g37.4.2.2 Primary synchronization signal . 92g37.4.2.2.1 Sequence generation 92g37.4.2.2.2 Mapping to physical resources 93g37.4.2.3 Secondary synchronization signal . 93g37.4.2.3.1 Sequence generation 9
36、3g37.4.2.3.2 Mapping to physical resources 93g37.4.3 SS/PBCH block 93g37.4.3.1 Time-frequency structure of an SS/PBCH block 93g37.4.3.1.1 Mapping of PSS within an SS/PBCH block 94g37.4.3.1.2 Mapping of SSS within an SS/PBCH block 94g37.4.3.1.3 Mapping of PBCH and DM-RS within an SS/PBCH block 94g37.
37、4.3.2 Time location of an SS/PBCH block . 95g3Annex A: Change history 96g3History 97g3ETSI ETSI TS 138 211 V15.2.0 (2018-07)63GPP TS 38.211 version 15.2.0 Release 15Foreword This Technical Report has been produced by the 3rdGeneration Partnership Project (3GPP). The contents of the present document
38、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 th
39、e 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 incremen
40、ted when editorial only changes have been incorporated in the document. ETSI ETSI TS 138 211 V15.2.0 (2018-07)73GPP TS 38.211 version 15.2.0 Release 151 Scope The present document describes the physical channels and signals for 5G-NR. 2 References The following documents contain provisions which, th
41、rough reference in this text, constitute provisions of the present document. 1 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 2 3GPP TS 38.201: “NR; Physical Layer General Description“ 3 3GPP TS 38.202: “NR; Services provided by the physical layer“ 4 3GPP TS 38.212: “NR; Multiplexing and chan
42、nel coding“ 5 3GPP TS 38.213: “NR; Physical layer procedures for control “ 6 3GPP TS 38.214: “NR; Physical layer procedures for data “ 7 3GPP TS 38.215: “NR; Physical layer measurements“ 8 3GPP TS 38.104: “NR; Base Station (BS) radio transmission and reception“ 3 Definitions, symbols and abbreviatio
43、ns 3.1 Definitions For the purposes of the present document, the following definitions apply: 3.2 Symbols For the purposes of the present document, the following symbols apply: (),plk Resource element with frequency-domain index k and time-domain index l for antenna port p and subcarrier spacing con
44、figuration ; see clause 4.4.3 ),(,plka Value of resource element ),( lk for antenna port p and subcarrier spacing configuration ; see clause 4.4.3 Amplitude scaling for a physical channel/signal )(nc PN sequence; see clause 5.2.1 f Subcarrier spacing RAf Subcarrier spacing for random-access preamble
45、s The ratio between sT and cT ; see clause 4.1 k Subcarrier index relative to a reference l OFDM symbol index relative to a reference Subcarrier spacing configuration, kHz 152 =f (q)MbitNumber of coded bits to transmit on a physical channel for codeword q (q)MsymbNumber of modulation symbols to tran
46、smit on a physical channel for codeword q layersymbM Number of modulation symbols to transmit per layer for a physical channel PUSCHscM Scheduled bandwidth for uplink transmission, expressed as a number of subcarriers PUSCHRBM Scheduled bandwidth for uplink transmission, expressed as a number of res
47、ource blocks ETSI ETSI TS 138 211 V15.2.0 (2018-07)83GPP TS 38.211 version 15.2.0 Release 15apsymbM Number of modulation symbols to transmit per antenna port for a physical channel Number of transmission layers sizeBWP,iN Size of bandwidth part i ; see clause 4.4.4.4 startBWP,iN Start of bandwidth p
48、art i ; see clause 4.4.4.4 CP,lNCyclic prefix length; see clause 5.3.1 size,grid,xNThe size of the resource grid; see clauses 4.4.2 and 5.3 start,grid,xNThe start of the resource grid; see clause 4.4.2 PTRSgroupN The number of PT-RS groups; see clause 6.3.1.4 cellIDN Physical layer cell identity; se
49、e clause 7.4.2.1 CORESETRBN Frequency-domain size of a control resource set; see clause 7.3.2.2 CORESETREGN Number of resrouce-element groups in a CORESET; see clause 7.3.2.2 groupsampN Number of samples per PT-RS group; see clause 6.3.1.4 RBscN Number of subcarriers per resource block, see clause 4.4.4.1 subframe,slotNNumber of slots per subframe for subcarrier spacing configuration , see clause 4.3.2 frame,slotNNumber of slots per frame for subcarrier spacing configuration , see clause 4.3.2 CORESETsymbN Time duration of
