Recommendation ITU-T G.9963 Amendment 1 (04/2021) Unified high-speed wireline-based home networking transceivers – Multiple input/multiple output specification
Summary
History
FOREWORD
Table of Contents
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Home network architecture and reference models
6 Profiles
7 Physical layer specification
     7.1 Medium independent specification
          7.1.1 Functional model of the physical layer (PHY)
          7.1.2 Physical coding sublayer (PCS)
               7.1.2.1 PHY frame
               7.1.2.2 MPDU mapping
               7.1.2.3 PHY-frame header
                    7.1.2.3.1 Common part fields
                    7.1.2.3.2 Variable part fields
                         7.1.2.3.2.1 MAP and RMAP PHY-frame type specific fields
                         7.1.2.3.2.2 MSG PHY-frame type specific fields
                              7.1.2.3.2.2.1 Duration for MSG frame (MSG_DUR)
                              7.1.2.3.2.2.2 Block size (BLKSZ)
                              7.1.2.3.2.2.3 FEC coding rate (FEC_RATE)
                              7.1.2.3.2.2.4 Repetitions (REP)
                              7.1.2.3.2.2.5 FEC concatenation factor (FCF)
                              7.1.2.3.2.2.6 Scrambler initialization (SI)
                              7.1.2.3.2.2.7 Master is detected indication (MDET)
                              7.1.2.3.2.2.8 BAT_ID/BMAT_ID
                              7.1.2.3.2.2.9 Bandplan OFB identifier/sub-carrier grouping identifier (BNDPLOFB_ID/GRP_ID)
                              7.1.2.3.2.2.10 Guard interval identifier (GI_ID)
                              7.1.2.3.2.2.11 Maximum Actual PSD of MSG frame (APSD_MAX-M)
                              7.1.2.3.2.2.12 Connection identifier (CONNECTION_ID)
                              7.1.2.3.2.2.13 Reply required (RPRQ)
                              7.1.2.3.2.2.14 Burst frame count (BRSTCnt)
                              7.1.2.3.2.2.15 Burst end flag (BEF)
                              7.1.2.3.2.2.16 AIFG indication (AIFG_IND)
                              7.1.2.3.2.2.17 ACE symbols (ACE_SYM)
                              7.1.2.3.2.2.18 Connection management (CNN_MNGMT)
                              7.1.2.3.2.2.19  Bandwidth reservation update request (BRURQ)
                              7.1.2.3.2.2.20 Start segment sequence number (START_SSN)
                              7.1.2.3.2.2.21 Current TS (CURRTS)
                              7.1.2.3.2.2.22 Request for bidirectional transmission (BTXRQ)
                              7.1.2.3.2.2.23 Number of Mc-ACK slots (NUM_MCACK_SLOTS)
                              7.1.2.3.2.2.24 MIMO indication (MIMO_IND)
                              7.1.2.3.2.2.25 Advised window size (ADVISED_WIN_SIZE)
                              7.1.2.3.2.2.26 APSD_MAX-M extension
                         7.1.2.3.2.3 ACK PHY-frame type specific fields
                              7.1.2.3.2.3.1 ACK channel estimation control/Receiver window size for the connection (ACK_CE_CTRL/RX_CONN_WIN_SIZE)
                                   7.1.2.3.2.3.1.1 ACK channel estimation control type (ACK_CE_CTRL_TYPE)
                                   7.1.2.3.2.3.1.2 Runtime BAT_ID (RUNTIME_BAT_ID)/Runtime BMAT ID (RUNTIME_BMAT_ID)
                                   7.1.2.3.2.3.1.3 BMAT_ID indication (BMAT_ID_IND)
                         7.1.2.3.2.4 RTS PHY-frame type specific fields
                         7.1.2.3.2.5 CTS PHY-frame type specific fields
                         7.1.2.3.2.6 CTMG PHY-frame type specific fields
                         7.1.2.3.2.7 PROBE PHY-frame type specific fields
                              7.1.2.3.2.7.1 Common part fields
                                   7.1.2.3.2.7.1.1 Duration for PROBE frame (PRB_DUR)
                                   7.1.2.3.2.7.1.2 PROBE frame type (PRBTYPE)
                                   7.1.2.3.2.7.1.3 Probe symbols (PRBSYM)
                                   7.1.2.3.2.7.1.4 Maximum Actual PSD of PROBE frame (APSD_MAX-P)
                                   7.1.2.3.2.7.1.5 PROBE symbol guard interval (PRBGI)
                                   7.1.2.3.2.7.1.6 Current TS (CURRTS)
                                   7.1.2.3.2.7.1.7 MIMO indication (MIMO_IND)
                                   7.1.2.3.2.7.1.8 APSD_MAX-P Extension
                              7.1.2.3.2.7.2 PROBE frame type specific fields
                                   7.1.2.3.2.7.2.1 Silent PROBE frame specific fields
                                   7.1.2.3.2.7.2.2 1 SS channel estimation PROBE frame specific fields
                                   7.1.2.3.2.7.2.3 2 SS channel estimation PROBE frame specific fields
                                        7.1.2.3.2.7.2.3.1 PROBE frame BMAT_ID (PRB_BMAT_ID)
                                        7.1.2.3.2.7.2.3.2  ACE symbols (ACE_SYM)
                                        7.1.2.3.2.7.2.3.3  Number of silent symbols (NUM_SILENT_SYM)
                         7.1.2.3.2.8 ACKRQ PHY frame type specific fields
                         7.1.2.3.2.9 BMSG PHY-frame type specific fields
                              7.1.2.3.2.9.1 Duration for BMSG frame (BMSG_DUR)
                              7.1.2.3.2.9.2 Block size (BLKSZ)
                              7.1.2.3.2.9.3 FEC coding rate (FEC_RATE)
                              7.1.2.3.2.9.4 Repetitions (REP)
                              7.1.2.3.2.9.5 FEC concatenation factor (FCF)
                              7.1.2.3.2.9.6 Scrambler initialization (SI)
                              7.1.2.3.2.9.7 Master is detected indication (MDET)
                              7.1.2.3.2.9.8 BAT_ID/BMAT_ID
                              7.1.2.3.2.9.9 Bandplan OFB identifier/sub-carrier grouping identifier (BNDPLOFB_ID/GRP_ID)
                              7.1.2.3.2.9.10 Guard interval identifier (GI_ID)
                              7.1.2.3.2.9.11 Maximum Actual PSD of BMSG frame (APSD_MAX-M)
                              7.1.2.3.2.9.12 Connection identifier (CONNECTION_ID)
                              7.1.2.3.2.9.13 Reply required (RPRQ)
                              7.1.2.3.2.9.14 Burst frame count (BRSTCnt)
                              7.1.2.3.2.9.15 Burst end flag (BEF)
                              7.1.2.3.2.9.16 AIFG indication (AIFG_IND)
                              7.1.2.3.2.9.17 ACE symbols (ACE_SYM)
                              7.1.2.3.2.9.18 Connection management (CNN_MNGMT)
                              7.1.2.3.2.9.19 Bandwidth reservation update request (BRURQ)
                              7.1.2.3.2.9.20 Start segment sequence number (START_SSN)
                              7.1.2.3.2.9.21 Current TS (CURRTS)
                              7.1.2.3.2.9.22 Bidirectional transmission grant length (BTXGL)
                              7.1.2.3.2.9.23 Bidirectional transmission end flag (BTXEF)
                              7.1.2.3.2.9.24 ACK channel estimation control (ACK_CE_CTRL)
                              7.1.2.3.2.9.25 MIMO indication (MIMO_IND)
                              7.1.2.3.2.9.26 Extended ACK Granted (EXTACKGR)
                              7.1.2.3.2.9.27 Piggybacked delayed acknowledgement (P-DACK)
                              7.1.2.3.2.9.28 APSD_MAX-M extension
                         7.1.2.3.2.10 BACK PHY-frame type specific fields
                              7.1.2.3.2.10.1 Duration for BACK frame (BACK_DUR)
                              7.1.2.3.2.10.2 Block size (BLKSZ)
                              7.1.2.3.2.10.3 FEC coding rate (FEC_RATE)
                              7.1.2.3.2.10.4 Repetitions (REP)
                              7.1.2.3.2.10.5 FEC concatenation factor (FCF)
                              7.1.2.3.2.10.6 Scrambler initialization (SI)
                              7.1.2.3.2.10.7 Master is detected indication (MDET)
                              7.1.2.3.2.10.8 BAT_ID/BMAT_ID
                              7.1.2.3.2.10.9 Bandplan OFB identifier/sub-carrier grouping identifier (BNDPLOFB_ID/GRP_ID)
                              7.1.2.3.2.10.10 Guard interval identifier (GI_ID)
                              7.1.2.3.2.10.11 Maximum Actual PSD of BACK frame (APSD_MAX-M)
                              7.1.2.3.2.10.12 Connection identifier (CONNECTION_ID)
                              7.1.2.3.2.10.13 Reply required (RPRQ)
                              7.1.2.3.2.10.14 Burst frame count (BRSTCnt)
                              7.1.2.3.2.10.15 Burst end flag (BEF)
                              7.1.2.3.2.10.16 AIFG indication (AIFG_IND)
                              7.1.2.3.2.10.17 ACE symbols (ACE_SYM)
                              7.1.2.3.2.10.18  Connection management (CNN_MNGMT)
                              7.1.2.3.2.10.19 Bidirectional transmission request length (BTXRL)
                              7.1.2.3.2.10.20 ACK channel estimation control (ACK_CE_CTRL)
                              7.1.2.3.2.10.21 MIMO indication (MIMO_IND)
                              7.1.2.3.2.10.22 APSD_MAX-M extension
                         7.1.2.3.2.11 ACTMG PHY-frame type specific fields
                         7.1.2.3.2.12 Reserved
                         7.1.2.3.2.13 Reserved
                         7.1.2.3.2.14 Reserved
                         7.1.2.3.2.15 Reserved
                         7.1.2.3.2.16 FTE PHY-frame type specific fields
                    7.1.2.3.3 Extended header fields
          7.1.3 Physical medium attachment (PMA) sublayer
               7.1.3.1 Scrambling
               7.1.3.2 FEC encoding
               7.1.3.3 Payload encoding
               7.1.3.4 Header encoding
               7.1.3.5 Spatial stream parser
               7.1.3.6 Segmentation into symbol frames
                    7.1.3.6.1 Payload segmentation
                    7.1.3.6.2 Header segmentation
               7.1.3.7 PROBE frame
          7.1.4 Physical medium dependent (PMD) sublayer
               7.1.4.1 Sub-carrier spacing and logical indexing
               7.1.4.2 Tone mapper
                    7.1.4.2.1 Summary of sub-carrier types
                    7.1.4.2.2 Bit allocation tables (BATs)
                         7.1.4.2.2.1 Predefined BATs
                         7.1.4.2.2.2 Runtime BATs
                    7.1.4.2.3 BATs with sub-carrier grouping
                    7.1.4.2.4 Special mappings
                         7.1.4.2.4.1 Tone mapping for PHY-frame header
                         7.1.4.2.4.2 Tone mapping for RCM
                         7.1.4.2.4.3 Tone mapping for probe symbols
                         7.1.4.2.4.4 Tone mapping for ACE symbols
                    7.1.4.2.5 Modulation of unloaded supported sub-carriers
               7.1.4.3 Constellation encoder
                    7.1.4.3.1 Constellation mapping
                         7.1.4.3.1.1 Constellations for even number of bits
                         7.1.4.3.1.2 Constellations for odd number of bits
                    7.1.4.3.2 Constellation point scaling
                    7.1.4.3.3 Constellation scrambler
               7.1.4.4 Tx port mapper
                    7.1.4.4.1 Specific Tx port mapping matrices
                         7.1.4.4.1.1 The "direct" mapping, TPM #0
                         7.1.4.4.1.2 The "duplication" mapping, TPM #1
                         7.1.4.4.1.3 The "duplicate and negate" mapping, TPM #2
                         7.1.4.4.1.4 The "Tx port 1" mapping, TPM #3
                         7.1.4.4.1.5 The "Tx port 2" mapping, TPM #4
                         7.1.4.4.1.6 The "precoding" mapping, TPM #5
                         7.1.4.4.1.7 The "precoding without SS 2 input" mapping, TPM #6
                         7.1.4.4.1.8 The "precoding without SS 1 input" mapping, TPM #7
                    7.1.4.4.2 Tx port mapping allocation table (MAT)
                         7.1.4.4.2.1 Predefined MATs
                         7.1.4.4.2.2 Runtime MATs
                         7.1.4.4.2.3 MAT with sub-carrier precoding grouping
                    7.1.4.4.3 Bit and Tx port mapping allocation tables (BMAT)
                         7.1.4.4.3.1 Predefined and runtime BMATs
                         7.1.4.4.3.2 Transmitter-determined and receiver-determined BMATs
                    7.1.4.4.4 Specific Tx port mappings of PHY-frame elements
                         7.1.4.4.4.1 Tx port mapping of the PHY-frame header
                         7.1.4.4.4.2 Tx port mapping of ACE symbols
                         7.1.4.4.4.3 Tx port mapping of probe symbols
                         7.1.4.4.4.4 Mappings of payload symbols for RCM
               7.1.4.5 OFDM modulator
                    7.1.4.5.1 IDFT
                    7.1.4.5.2 Cyclic shift
                    7.1.4.5.3 Cyclic extension
                    7.1.4.5.4 Symbol timing
                    7.1.4.5.5 Windowing, overlap and add
                    7.1.4.5.6 Frequency up-shift
                    7.1.4.5.7 Output signal
               7.1.4.6 Preamble, INUSE, PR, NACK and IDPS signals
                    7.1.4.6.1 General preamble structure
                    7.1.4.6.2 INUSE, PR, NACK and IDPS signals general structure
                    7.1.4.6.3 Preamble, INUSE, PR, NACK and IDPS signal generation
               7.1.4.7 PMD control parameters
               7.1.4.8 Symbol boost
          7.1.5 Transmit PSD mask
          7.1.6 Electrical specifications
     7.2 Medium dependent specification
          7.2.1 Physical layer specification
          7.2.2 Transmitter EVM requirements
          7.2.3 Termination impedance
          7.2.4 Total transmit power
          7.2.5 Receiver input impedance
          7.2.6 Longitudinal conversion loss
8 Data link layer specification of the MIMO transceiver
     8.1 Functional model and frame formats
     8.2 MAP controlled medium access
     8.3 Transmission opportunities (TXOPs) and time slots (TSs)
     8.4 Control parameters for APC, LLC and MAC
     8.5 Functions of the endpoint node
     8.6 Domain master node functional capabilities
          8.6.1 Network admission
               8.6.1.1 Network admission protocol
               8.6.1.2 Admission via proxy
               8.6.1.3 Domain information maintenance after node admission
          8.6.2 Bandwidth management
          8.6.3 Synchronization to an external source
          8.6.4 Routing and topology management
          8.6.5 Backup domain master
          8.6.6 Domain master selection
     8.7 Addressing scheme
     8.8 Medium access plan (MAP) frame
          8.8.1 MAP generation and distribution
          8.8.2 MAP frame transmission
          8.8.3 MAP header
          8.8.4 TXOP descriptor
          8.8.5 Auxiliary information field
          8.8.6 MAP schedule persistence publication
               8.8.7 Additional MIMO domain information sub-field
     8.9 Retransmission and acknowledgement protocol
     8.10 Management and control message format
          8.10.1 Management message format
               8.10.1.1 Management message OPCODEs
               8.10.1.2 Management of message sequence numbers and segmentation
          8.10.2 Control message format
     8.11 Channel estimation protocol
          8.11.1 Channel estimation with [ITU-T G.9963] transceivers using two spatial streams
               8.11.1.1 Receiver-initiated channel estimation
                    8.11.1.1.1 Channel estimation initiation
                    8.11.1.1.2 Channel estimation bandwidth request
                    8.11.1.1.3 Channel estimation initiation confirmation
                    8.11.1.1.4 Request for PROBE frame transmission
                    8.11.1.1.5 PROBE frame transmission
                    8.11.1.1.6 Channel estimation completion
                    8.11.1.1.7 Channel estimation cancellation
                    8.11.1.1.8 Channel estimation bandwidth release
               8.11.1.2 Transmitter-requested channel estimation
                    8.11.1.2.1 Channel estimation request
               8.11.1.3 Shortened channel estimation processes
                    8.11.1.3.1 Unsolicited MCE_ParamUpdate.req
                    8.11.1.3.2 Partial BMAT update
                         8.11.1.3.2.1 PBMU request
                         8.11.1.3.2.2 PBMU confirmation
               8.11.1.4 Channel estimation using PROBE frames
                    8.11.1.4.1   Channel estimation using PROBE frames transmitted by a node as requested by the domain master
               8.11.1.5 BMAT_ID maintenance
               8.11.1.6  ACE symbol insertion
               8.11.1.7 Management message formats for channel estimation
                    8.11.1.7.1 Format of MCE_ProbeSlotAssign.req
                    8.11.1.7.2 Format of MCE_ProbeSlotRelease.req
                    8.11.1.7.3 Format of MCE_ParamUpdate.req
                    8.11.1.7.4 Format of MCE_ParamUpdateRequest.ind
                    8.11.1.7.5 Format of MCE_PartialBmatUpdate.req
                    8.11.1.7.6 Format of MCE_ACESymbols.ind
                    8.11.1.7.7 Format of MCE_ProbeSlotAssign.cnf
                    8.11.1.7.8 Format of MCE_ProbeSlotRelease.cnf
                    8.11.1.7.9 Format of MCE_ParamUpdate.cnf
                    8.11.1.7.10 Format of MCE_PartialBmatUpdate.cnf
                    8.11.1.7.11 Format of MCE_Request.ind
                    8.11.1.7.12 Format of MCE_Initiation.req
                    8.11.1.7.13 Format of MCE_Initiation.cnf
                    8.11.1.7.14 Format of MCE_ProbeRequest.ind
                    8.11.1.7.15 Format of MCE_Cancellation.req
                    8.11.1.7.16 Format of MCE_BmatIdMaintain.ind
                    8.11.1.7.17 Format of MCE_Cancellation.cnf
     8.12 Connection management
     8.13 Message flooding
     8.14 Operation in the presence of neighbouring domains – Distributed domain coordination (NDIM)
     8.15 Coexistence with alien power-line networks
     8.16 PHY multicast binding protocol
     8.17 DLL multicast stream
     8.18 Inter-bandplan interoperability
     8.19 Version controlNode information and capabilities exchange
     8.20 Metrics acquisition
     8.21 Operation in power saving modes
     8.22 Layer 2 configuration and management protocol (LCMP)
     8.23 MIMO transmission
          8.23.1 MIMO transmission, payload created as one spatial stream
          8.23.2 MIMO transmission, payload created as two spatial streams
     8.24 Run-length compression of fields of management messages
     8.25 Payload compression in management messages
     8.26 TLV pool
9 Security
Annex A  Regional requirements for North America
Annex B
Annex C  Regional requirements for Japan
Annex D  International amateur radio bands
Annex E  Impact of ITU-T G.9960 on VDSL2 service
Annex F
Annex G  Test vectors
Annex H  Application protocol convergence sublayer
Annex I  Interoperability between Profile 1 and Profile 2 OFB transmissions
Annex J  IEEE 802.1X port-based network access control
Annex K to Annex W
Annex X  Test vectors
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