ETSI TS 103 311-3-2017 Integrated broadband cable telecommunication networks (CABLE) Fourth Generation Transmission Systems for Interactive Cable Television Services - IP Cable Mod.pdf

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1、 ETSI TS 103 311-3 V1.1.1 (2017-02) Integrated broadband cable telecommunication networks (CABLE); Fourth Generation Transmission Systems for Interactive Cable Television Services - IP Cable Modems; Part 3: MAC and Upper Layer Protocols Interface; DOCSIS3.1 TECHNICAL SPECIFICATION ETSI ETSI TS 103 3

2、11-3 V1.1.1 (2017-02)2 Reference DTS/CABLE-00017-3 Keywords access, broadband, cable, DOCSIS, IPcable, modem, multimedia ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucrat

3、if enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the pre

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5、rive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in

6、the present document, please send your comment to one of the following services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as

7、authorized by written permission of ETSI. The content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2017. All rights reserved. DECTTM

8、, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Ass

9、ociation. ETSI ETSI TS 103 311-3 V1.1.1 (2017-02)3 Contents Intellectual Property Rights 28g3Foreword . 28g3Modal verbs terminology 28g31 Scope 29g32 References 29g32.1 Normative references . 29g32.2 Informative references 32g33 Definitions, symbols and abbreviations . 34g33.1 Definitions 34g33.2 Sy

10、mbols 45g33.3 Abbreviations . 45g34 Requirements and Conventions 52g34.1 Requirements 52g34.2 Conventions 52g35 Overview and Theory of Operations 52g35.1 MULPI Key Features . 52g35.2 Technical Overview . 55g35.2.0 MAC Layer Features 55g35.2.1 CMTS and CM Models . 55g35.2.1.1 CMTS Model 55g35.2.1.1.0

11、 Overview . 55g35.2.1.1.1 CMTS Types . 56g35.2.1.1.2 CMTS Internal Forwarding Model 57g35.2.1.1.3 CMTS MAC Domain 58g35.2.1.2 CM Model . 59g35.2.2 Downstream Convergence Layer 59g35.2.2.1 Control Channel 59g35.2.2.1.1 PLC 59g35.2.2.1.2 NCP . 59g35.2.2.2 Profiles 60g35.2.2.2.1 Multiple Downstream Pro

12、file Support in OFDM Channels 60g35.2.3 OFDMA Upstream . 60g35.2.4 QoS . 61g35.2.4.0 Overview . 61g35.2.4.1 Individual and Group Service Flows . 62g35.2.4.2 Hierarchical QoS . 62g35.2.4.3 AQM . 63g35.2.4.4 Channel Bonding . 63g35.2.4.4.1 Downstream Channel Bonding 63g35.2.4.4.2 Upstream Channel Bond

13、ing . 64g35.2.4.5 Upstream Time and Frequency Multiplexing . 66g35.2.4.6 Autonomous Load Balancing 67g35.2.5 Multicast Operation 68g35.2.6 Network and Higher Layer Protocols . 68g35.2.7 CM and CPE Provisioning and Management . 69g35.2.7.1 Initialization, Provisioning and Management of CMs 69g35.2.7.

14、2 Initialization, Provisioning and Management of CPEs . 70g35.2.8 Enhanced Support for Timing Protocol 70g35.2.9 Energy Management . 70g35.2.10 Relationship to the Physical HFC Plant Topology . 71g35.2.10.1 RF Topology Configuration 71g35.2.10.2 Frequency Assignment 72g35.2.11 Cable Modem Service Gr

15、oup (CM-SG) . 73g35.2.11.0 Overview. 73g3ETSI ETSI TS 103 311-3 V1.1.1 (2017-02)4 5.2.11.1 MAC Domain Channel Assignment 74g35.2.11.2 Multiple MAC Domains per Fibre Node 75g35.2.11.3 MAC Domain Downstream and Upstream Service Groups 76g35.2.11.4 Channel Bonding Topology Considerations . 77g35.2.12 C

16、MTS Downstream Service Model Example . 77g36 Media Access Control Specification 79g36.1 Introduction 79g36.1.1 Overview 79g36.1.2 Definitions 79g36.1.2.1 MAC-Sublayer Domain 79g36.1.2.2 MAC Service Access Point . 79g36.1.2.3 Service Flows 79g36.1.2.4 Upstream Intervals, Minislots and 6,25 microsecon

17、d Increments . 80g36.1.2.4.0 Upstream Transmission Timeline 80g36.1.2.4.1 TDMA Mode . 80g36.1.2.4.2 S-CDMA Mode . 80g36.1.2.4.3 OFDMA Mode 81g36.1.2.5 MAC Frame 81g36.1.2.6 Logical Upstream Channels 81g36.1.2.6.0 Logical Upstream Types 81g36.1.2.6.1 Type 3 Logical Upstreams . 82g36.1.2.6.2 Type 4 Lo

18、gical Upstreams . 82g36.1.2.6.3 Type 5 Logical Upstreams . 83g36.1.3 Future Use . 83g36.2 MAC Frame Formats 83g36.2.1 Generic MAC Frames . 83g36.2.1.0 Generic MAC Frame Format 83g36.2.1.1 PMD Overhead . 84g36.2.1.2 Ordering of Bits and Octets . 84g36.2.1.2.1 Bit Ordering . 84g36.2.1.2.2 Octet Orderi

19、ng. 84g36.2.1.2.3 Textual Conventions 84g36.2.1.2.4 Representing Negative Numbers . 84g36.2.1.2.5 Type-Length-Value Fields . 84g36.2.1.3 MAC Header Format. 85g36.2.1.4 Data PDU 86g36.2.2 Packet-Based MAC Frames 86g36.2.2.1 Packet PDU and Isolation Packet PDU . 86g36.2.3 MAC Frames with FC_TYPE 0x01

20、87g36.2.4 MAC-Specific Headers . 87g36.2.4.0 Overview . 87g36.2.4.1 Timing Header 88g36.2.4.2 MAC Management Header . 88g36.2.4.3 Request Frame . 89g36.2.4.4 Fragmentation Header . 90g36.2.4.5 Queue-depth Based Request Frame 91g36.2.4.6 Concatenation Header . 91g36.2.5 Extended MAC Frame Length 92g3

21、6.2.6 Extended MAC Headers . 93g36.2.6.0 Overview and General Requirements 93g36.2.6.1 Piggyback Requests 94g36.2.6.2 Request Extended Header . 94g36.2.6.3 Fragmentation Extended Header . 94g36.2.6.4 Service Flow Extended Header . 95g36.2.6.4.0 Overview . 95g36.2.6.4.1 Payload Header Suppression Hea

22、der . 95g36.2.6.4.2 Unsolicited Grant Synchronization Header . 95g36.2.6.5 BP_UP2 Extended Header 95g36.2.6.6 Downstream Service Extended Header . 96g36.2.6.7 DPV Extended Header 97g36.2.6.8 Ordering of Extended Headers in Upstream DOCSIS 97g3ETSI ETSI TS 103 311-3 V1.1.1 (2017-02)5 6.3 Segment Head

23、er Format . 98g36.4 MAC Management Messages. 98g36.4.1 MAC Management Message Header 98g36.4.2 Time Synchronization (SYNC). 102g36.4.3 Upstream Channel Descriptor (UCD) . 103g36.4.3.0 UCD Message Format, Parameters and Attributes 103g36.4.3.1 Example of UCD Encoded TLV Data . 114g36.4.3.2 Example of

24、 UCD Encoding of Channel Parameters for OFDMA Channels . 115g36.4.3.3 Subcarrier to Minislot Mapping for OFDMA Channels . 117g36.4.3.4 Required Burst Attributes on OFDMA Channels . 117g36.4.4 Upstream Bandwidth Allocation Map (MAP) 118g36.4.4.0 MAP Types, Message Format and Information Elements 118g

25、36.4.4.1 Upstream Quiet Probe Measurement 124g36.4.5 Ranging Request Messages 125g36.4.5.0 Types of Ranging Request Messages 125g36.4.5.1 Ranging Request (RNG-REQ) 127g36.4.5.2 Initial Ranging Request (INIT-RNG-REQ) 128g36.4.5.3 Bonded Initial Ranging Request (B-INIT-RNG-REQ) . 128g36.4.5.4 OFDMA In

26、itial Ranging Request (O-INIT-RNG-REQ) . 129g36.4.6 Ranging Response (RNG-RSP) 129g36.4.6.0 RNG-RSP Message Format 129g36.4.6.1 RNG-RSP Encodings 131g36.4.6.2 Example of TLV Data . 133g36.4.6.3 Transmit Equalization Encodings for S-CDMA and TDMA Channels 134g36.4.6.4 Transmit Equalization Encodings

27、for OFDMA Channels . 135g36.4.6.5 RNG-RSP Channel Overrides . 135g36.4.6.6 Upstream Channel Adjustments 135g36.4.6.7 T4 Timeout Multiplier. 136g36.4.6.8 Commanded Power . 136g36.4.7 Registration Request Messages . 137g36.4.7.0 Types of Registration Request Messages 137g36.4.7.1 Registration Request

28、(REG-REQ) 138g36.4.7.2 Multipart Registration Request (REG-REQ-MP) . 138g36.4.8 Registration Response Messages 139g36.4.8.0 Types and Formatting of Registration Response Messages 139g36.4.8.1 Registration Response (REG-RSP) . 140g36.4.8.2 Multipart Registration Response (REG-RSP-MP) 141g36.4.8.3 Enc

29、odings 142g36.4.8.3.0 General 142g36.4.8.3.1 Modem Capabilities . 142g36.4.8.3.2 DOCSIS 1.0 Service Class Data 143g36.4.9 Registration Acknowledge (REG-ACK) 143g36.4.10 Upstream Channel Change Request (UCC-REQ) . 145g36.4.11 Upstream Channel Change Response (UCC-RSP) . 145g36.4.12 Dynamic Service Ad

30、dition - Request (DSA-REQ) . 145g36.4.12.0 DSA-REQ Message Format 145g36.4.12.1 CM-Initiated Dynamic Service Addition 146g36.4.12.2 CMTS-Initiated Dynamic Service Addition 146g36.4.13 Dynamic Service Addition - Response (DSA-RSP) . 146g36.4.13.0 DSA-RSP Message Format . 146g36.4.13.1 CM-Initiated Dy

31、namic Service Addition 148g36.4.13.2 CMTS-Initiated Dynamic Service Addition 148g36.4.14 Dynamic Service Addition - Acknowledge (DSA-ACK) . 148g36.4.15 Dynamic Service Change - Request (DSC-REQ) . 149g36.4.16 Dynamic Service Change - Response (DSC-RSP) . 150g36.4.17 Dynamic Service Change - Acknowle

32、dge (DSC-ACK) . 152g36.4.18 Dynamic Service Deletion - Request (DSD-REQ) . 152g36.4.19 Dynamic Service Deletion - Response (DSD-RSP) 153g36.4.20 Dynamic Channel Change - Request (DCC-REQ) . 154g36.4.20.0 DCC-REQ Message Format 154g36.4.20.1 Encodings 155g36.4.20.1.0 General 155g3ETSI ETSI TS 103 311

33、-3 V1.1.1 (2017-02)6 6.4.20.1.1 Upstream Channel ID 155g36.4.20.1.2 Downstream Parameters 155g36.4.20.1.3 Initialization Technique. 157g36.4.20.1.4 UCD Substitution 157g36.4.20.1.5 Security Association Identifier (SAID) Substitution . 158g36.4.20.1.6 Service Flow Substitutions 158g36.4.20.1.7 CMTS M

34、AC Address 159g36.4.21 Dynamic Channel Change - Response (DCC-RSP) 159g36.4.21.0 DCC-RSP Message Format . 159g36.4.21.1 Encodings 160g36.4.21.1.0 General 160g36.4.21.1.1 CM Jump Time 160g36.4.22 Dynamic Channel Change - Acknowledge (DCC-ACK) . 161g36.4.23 Device Class Identification Request (DCI-REQ

35、) . 161g36.4.24 Device Class Identification Response (DCI-RSP) 161g36.4.25 Upstream Transmitter Disable (UP-DIS) 161g36.4.26 Test Request (TST-REQ) 162g36.4.27 Downstream Channel Descriptor (DCD) 162g36.4.28 MAC Domain Descriptor (MDD) . 162g36.4.28.0 MDD Message Format 162g36.4.28.1 MDD TLV Encodin

36、gs . 163g36.4.28.1.0 General 163g36.4.28.1.1 Downstream Active Channel List TLV . 163g36.4.28.1.2 MAC Domain Downstream Service Group (MD-DS-SG) TLV . 165g36.4.28.1.3 Downstream Ambiguity Resolution Frequency List TLV . 165g36.4.28.1.4 Receive Channel Profile Reporting Control TLV . 166g36.4.28.1.5

37、IP Initialization Parameters TLV . 166g36.4.28.1.6 Early Authentication and Encryption (EAE) Enable/Disable TLV . 167g36.4.28.1.7 Upstream Active Channel List TLV 167g36.4.28.1.8 Upstream Ambiguity Resolution Channel List TLV . 168g36.4.28.1.9 Upstream Frequency Range TLV 168g36.4.28.1.10 Symbol Clo

38、ck Locking Indicator 169g36.4.28.1.11 CM-STATUS Event Control . 169g36.4.28.1.12 Upstream Transmit Power Reporting 169g36.4.28.1.13 DSG DA-to-DSID Association Entry 170g36.4.28.1.14 CM-STATUS Event Enable for Non-Channel-Specific Events 170g36.4.28.1.15 Extended Upstream Transmit Power Support . 171

39、g36.4.28.1.16 CMTS DOCSIS Version . 171g36.4.28.1.17 CM Periodic Maintenance Timeout Indicator . 171g36.4.28.1.18 DLS Broadcast and Multicast Delivery Method TLV . 172g36.4.28.1.19 CM-STATUS Event Enable for DOCSIS 3.1 Specific Events 172g36.4.29 Dynamic Bonding Change Request (DBC-REQ) . 173g36.4.3

40、0 Dynamic Bonding Change Response (DBC-RSP) . 174g36.4.31 Dynamic Bonding Change Acknowledge (DBC-ACK) . 175g36.4.32 DOCSIS Path Verify Request (DPV-REQ) 176g36.4.33 DOCSIS Path Verify Response (DPV-RSP) 177g36.4.34 Status Report (CM-STATUS). 177g36.4.34.0 CM-STATUS Message Format . 177g36.4.34.1 CM

41、-STATUS TLV Encodings 179g36.4.35 CM Control Request (CM-CTRL-REQ). 179g36.4.35.0 CM-CTRL-REQ Message Format 179g36.4.35.1 CM-CTRL-REQ TLV Encodings . 180g36.4.36 CM Control Response (CM-CTRL-RSP) . 180g36.4.37 Energy Management Request (EM-REQ) 181g36.4.38 Energy Management Response (EM-RSP) . 182g

42、36.4.38.0 EM-RSP Message Format . 182g36.4.38.1 EM-RSP TLV-Encodings . 183g36.4.38.1.1 Hold-Off Timer . 183g36.4.39 Status Report Acknowledge (CM-STATUS-ACK) 183g36.4.40 OFDM Channel Descriptor (OCD) . 183g36.4.41 Downstream Profile Descriptor (DPD) . 185g36.4.41.0 DPD Message Format and TLV Encodin

43、g 185g3ETSI ETSI TS 103 311-3 V1.1.1 (2017-02)7 6.4.41.1 Subcarrier Assignment 188g36.4.41.1.0 Overview . 188g36.4.41.1.1 Default and Specific Values 188g36.4.41.1.2 Subcarrier Assignment Vector . 189g36.4.41.1.3 Example Subcarrier Assignment . 189g36.4.42 OFDM Downstream Spectrum Request Message (O

44、DS-REQ) 189g36.4.43 OFDM Downstream Spectrum Response (ODS-RSP) . 190g36.4.43.0 ODS-RSP Message Format . 190g36.4.43.1 ODS-RSP TLV Encodings 190g36.4.44 OFDM Downstream Profile Test Request (OPT-REQ) 191g36.4.44.0 OPT-REQ Message Format 191g36.4.44.1 OPT-REQ TLV Encodings . 191g36.4.45 OFDM Downstre

45、am Profile Test Response (OPT-RSP) 193g36.4.45.0 OPT-RSP Message Format . 193g36.4.45.1 OPT-RSP TLV Encodings 194g36.4.46 OFDM Downstream Profile Test Acknowledge (OPT-ACK) 196g36.4.47 DOCSIS Time Protocol - Request (DTP-REQ) 196g36.4.47.0 DTP-REQ Message Format 196g36.4.47.1 CMTS is DTP Master 197g

46、36.4.47.2 CM is DTP Master 197g36.4.48 DOCSIS Time Protocol - Response (DTP-RSP) 197g36.4.48.0 DTP-RSP Message Format . 197g36.4.48.1 CMTS is DTP Master 197g36.4.48.2 CM is DTP Master 197g36.4.49 DOCSIS Time Protocol - Info (DTP-INFO) . 198g36.4.49.0 DTP-INFO Message Format . 198g36.4.49.1 CMTS is D

47、TP Master 198g36.4.49.2 CM is DTP Master 198g36.4.50 DOCSIS Time Protocol - Acknowledge (DTP-ACK) 198g36.4.50.0 DTP-ACK Message Format 198g36.4.50.1 CMTS is DTP Master 198g36.4.50.2 CM is DTP Master 199g36.5 PHY Link Channel . 199g36.5.0 Overview 199g36.5.1 PLC Structure . 199g36.5.2 Timestamp Messa

48、ge Block . 200g36.5.3 Energy Management Message Block 201g36.5.4 Message Channel Message Block . 202g36.5.5 Trigger Message Block . 203g36.5.5.0 Requirements for Trigger Message Block . 203g36.5.5.1 Application of Trigger Message Block . 205g36.5.6 Future Use Message Blocks 206g37 Media Access Contr

49、ol Protocol Operation . 207g37.1 Timing and Synchronization 207g37.1.0 Overview 207g37.1.1 Global Timing Reference 207g37.1.2 CM Synchronization . 207g37.1.3 Ranging . 207g37.1.3.0 Purpose of Ranging . 207g37.1.3.1 Broadcast Initial Ranging 208g37.1.3.1.0 General 208g37.1.3.1.1 Broadcast Initial Ranging on SC-QAM Upstreams . 208g37.1.3.1.2 Broadcast Initial Ranging on OFDMA Upstreams 208g37.1.3.2 Unicast Initial Ranging . 208g37.1.3.2.1 Unicast Initial Ranging on SC-QAM Upstreams 208g37.1.3.2.2 Unicast Initial Ranging on OFDMA Upstreams 209g37.1.4 Timing Units and Relationship