IEEE 1901.1-2018标准：智能电网中低于12MHz电力线通信

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"IEEE Std 1901.1-2018 是一份关于中频（小于12MHz）电力线通信的标准，主要用于智能电网应用。这份标准由IEEE通信学会的电力线通信标准委员会赞助制定，详细规定了物理层（PHY）和媒体访问控制层（MAC）的规范，采用正交频分复用（OFDM）技术。" 在智能电网领域，电力线通信（PLC）是一种利用现有电力线路进行数据传输的技术，它能够将电网与通信网络相结合，实现对电网的智能化管理。IEEE Std 1901.1-2018 标准是这个领域的核心规范之一，它专门针对中频范围（小于12MHz）的电力线通信进行了详细规定。标准中的物理层（PHY）部分定义了信号的编码、调制和解调方式，以及在电力线上传输的数据信号的物理特性。在这一层，OFDM 技术被广泛应用，因为它能够有效地应对电力线上的噪声和干扰，同时允许多个数据流在同一频段内并行传输，提高带宽利用率和传输效率。媒体访问控制层（MAC）则负责管理多个设备如何共享同一通信介质，避免冲突。在智能电网环境下，MAC 协议确保了数据包的可靠发送和接收，支持不同设备间的高效通信，如电表自动读取、故障检测、需求响应等。智能电网应用的PLC需要考虑电力线的复杂环境，如电压波动、电气噪声以及非线性负载的影响。因此，IEEE Std 1901.1-2018 还可能包括了错误检测和纠正机制、信道估测、功率控制等策略，以确保通信的稳定性和可靠性。此外，这份标准对于源码软件和CSS（可能是指CSS编码规范，用于美化或结构化标准文档的呈现）也有一定的关联，意味着标准文档的编写和发布遵循了一定的编程和格式规范，以提高可读性和一致性。 IEEE Std 1901.1-2018 是智能电网中电力线通信的关键标准，它通过定义物理层和媒体访问控制层的规范，促进了中低频电力线通信系统的高效、可靠运行，推动了智能电网的发展。这份标准的实施对于电力行业的现代化、自动化和信息化具有重要意义。

Table 30—Subelds in the Leave STA MAC eld ......................................................................................... 43

Table 31—Fields in MMeHeartBeatCheck packets ....................................................................................... 43

Table 32—Fields in MMeDiscoverNodeList packets .................................................................................... 44

Table 33—Values of the Role eld ................................................................................................................. 45

Table 34—Subelds in the Up Route Entry Information eld ........................................................................ 46

Table 35—Values of the Route Type subeld ................................................................................................. 46

Table 36—Subelds in the Received Discovery Information eld ................................................................. 47

Table 37—Fields in MMeSuccessRateReport packets ................................................................................... 47

Table 38—Subelds in the Communication Rate Information eld ............................................................... 48

Table 39—Fields in the MMeNetworkConictReport packet ........................................................................ 48

Table 40—Subelds in the Neighboring Network Entry eld ........................................................................ 49

Table 41—Fields in the MMeZeroCrossNTBCollectionReq packet .............................................................. 49

Table 42—Values of the Collection Mode eld .............................................................................................. 50

Table 43—Values of the Collection Period eld ............................................................................................. 50

Table 44—Fields of the MMeZeroCrossNTBReport packet .......................................................................... 50

Table 45—Subelds of the Difference NTB Phase eld................................................................................. 51

Table 46—Fields in MMeLBDAtCnf packets ................................................................................................ 52

Table 49—Fields of MMeSetKeyRequest ...................................................................................................... 53

Table 50—Values of Key Type eld ............................................................................................................... 53

Table 51—Fields of MMeSetKeyConrm ..................................................................................................... 54

Table 52—Values of Result eld .................................................................................................................... 54

Table 53—Fields of MMeGetKeyRequest ..................................................................................................... 55

Table 54—Fields of MMeGetKeyConrm..................................................................................................... 56

Table 55—Values of Result eld .................................................................................................................... 56

Table 56—Fields of MMeAuthrzRequest ...................................................................................................... 56

Table 57—Fields of MMeAuthrzConrm ...................................................................................................... 57

Table 58—Fields of MMeEncryptedPlInd ..................................................................................................... 58

Table 59—Values of Payload Type ................................................................................................................. 58

Table 60—Values of PEKS............................................................................................................................. 58

Table 61—Fields in MMeSetAmpMapReq packet ........................................................................................ 59

Table 62—Fields in MMeSetAmpMapCnf packet ......................................................................................... 60

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Table 63—Values of Response eld ............................................................................................................... 60

Table 64—Fields in MMeNetworkDiagnosisReport packets ......................................................................... 60

Table 65—Denitions of the cyclic shift phase .............................................................................................. 63

Table 66—Routing entries of the CCO ........................................................................................................... 67

Table 67—Routing entries of STA1 ............................................................................................................... 68

Table 68—Routing entries of STA2 ............................................................................................................... 68

Table 69—Period parameters ......................................................................................................................... 69

Table 70—Fields in a MAC frame header ...................................................................................................... 71

Table 71—Values of the Version eld ............................................................................................................. 71

Table 72—Values of the Send Type eld ........................................................................................................ 71

Table 73—Values of the MSDU Type eld .................................................................................................... 72

Table 74—MAC Frame Type eld ................................................................................................................. 73

Table 75—Subelds in the Relay Variant eld ............................................................................................... 73

Table 76—Values of Proxy Main Path Flag eld ............................................................................................ 74

Table 77—Values of the Broadcast Direction eld ......................................................................................... 74

Table 78—Subelds in the FC eld ................................................................................................................ 75

Table 79—Values of the Delimiter Type eld ................................................................................................. 75

Table 80—Values of the Network Type eld .................................................................................................. 75

Table 81—Values of the Version eld ............................................................................................................. 76

Table 82—Variant elds in a beacon frame .................................................................................................... 76

Table 83—Values of the Phase Line eld ....................................................................................................... 77

Table 84—Variant elds in a SOF .................................................................................................................. 77

Table 85—Values of the LID eld .................................................................................................................. 78

Table 86—Values of the Encryption Key Select eld ..................................................................................... 78

Table 87—Values of the Broadcast Flag eld ................................................................................................. 79

Table 88—Values of the Resend Flag eld ..................................................................................................... 79

Table 89—Variant elds in an SACK frame ................................................................................................... 80

Table 90—Variant elds in an inter-network coordinate frame ...................................................................... 81

Table 91—Variant elds in an RTS/CTS frame .............................................................................................. 82

Table 92—Values of the MNBF eld ............................................................................................................. 82

Table 93—RTSF interpretation ...................................................................................................................... 83

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Table 94—PBH format ................................................................................................................................... 84

Table 95—Subelds in the beacon frame payload eld .................................................................................. 85

Table 96—Values of the BT eld .................................................................................................................... 86

Table 97—Values of the Networking Flag eld .............................................................................................. 86

Table 98—Values of the Start Associate eld ................................................................................................. 86

Table 99—Values of the Beacon Evaluation Flag eld ................................................................................... 86

Table 100—Subelds in the BMI eld ........................................................................................................... 87

Table 101—Values of the NBE eld ............................................................................................................... 87

Table 102—Values of the BEHDR eld ......................................................................................................... 87

Table 103—Value of the BELEN eld ........................................................................................................... 88

Table 104—Subelds in the STA Capability List eld ................................................................................... 88

Table 105—Timeslot allocation list ................................................................................................................ 89

Table 106—Subelds in the Non Central Beacon Information eld ............................................................... 90

Table 107—Subelds in the CSMA Slot Information eld ............................................................................ 90

Table 108—Subelds in the Bind CSMA Slot Information eld .................................................................... 91

Table 109—Route parameter list .................................................................................................................... 91

Table 110—Frequency change list ................................................................................................................. 91

Table 111—VCS timer value and channel status transition ............................................................................ 99

Table 112—Inter-frame space values ........................................................................................................... 102

Table 113—Data transmission service primitives at the data link layer ........................................................ 113

Table 114—MSDU transmit primitive ......................................................................................................... 113

Table 115—MSDU receive primitive ........................................................................................................... 113

Table 116—Data management service primitives at the data link layer ....................................................... 114

Table 117—Network topology query primitive ............................................................................................ 114

Table 118—Network topology report primitive ........................................................................................... 115

Table 119—Single network topology entry report primitive ........................................................................ 115

Table 120—Network NID query primitive ................................................................................................... 115

Table 121—NID report primitive ................................................................................................................. 116

Table 122—NID conguration primitive ..................................................................................................... 116

Table 123—Neighbor network query primitive............................................................................................ 116

Table 124—Neighbor network report primitive ........................................................................................... 117

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Table 125—Single network topology entry report primitive ........................................................................ 117

Table 126—Whitelist query primitive .......................................................................................................... 117

Table 127—Whitelist report primitive ......................................................................................................... 118

Table 128—Whitelist conguration primitive .............................................................................................. 118

Table 129—OFDM symbols ........................................................................................................................ 121

Table 130—Diversity copier for frame control............................................................................................. 122

Table 131—Turbo interleaving parameter settings ....................................................................................... 125

Table 132—S lookup table for PB16 ............................................................................................................ 126

Table 133—S lookup table for PB72 ............................................................................................................ 126

Table 134—S lookup table for PB136 .......................................................................................................... 126

Table 135—S lookup table for PB520 .......................................................................................................... 127

Table 136—Puncturing model for the bit rate of 1/2 ..................................................................................... 127

Table 137—Puncturing model for the bit rate of 16/18 ................................................................................. 127

Table 138—Channel interleaving parameter settings ................................................................................... 129

Table 139—Nibble shift rules ....................................................................................................................... 129

Table 140—ROBO basic modes................................................................................................................... 129

Table 141—ROBO extended modes ............................................................................................................ 130

Table 142—Relation between N

Inter

and N

Copy

............................................................................................... 131

Table 143—Modulation capacity ................................................................................................................. 136

Table 144—Constellation point mapping table ............................................................................................ 136

Table 145—Bit-to-I/Q mapping table ........................................................................................................... 137

Table 147—Power normalization factors ..................................................................................................... 137

Table 146—Phase angle reference values for frame control and payload mapping ...................................... 138

Table 149—Value of the PilotStepSize eld ................................................................................................. 143

Table 148—Preamble phase table ................................................................................................................ 145

Table 150—Communication frequency bands ............................................................................................. 150

Table 151—Relative power of the preamble, frame control, and payload .................................................... 150

Table 152—Signal transmission start state primitive ................................................................................... 151

Table 153—Signal transmission completion state primitive ........................................................................ 151

Table 154—Signal receiving start state primitive ......................................................................................... 151

Table 155—Frame control receiving completion primitive .......................................................................... 151

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Table 156—Payload receiving completion primitive ................................................................................... 152

Table 157—Noise power primitive .............................................................................................................. 152

Table 158—Signal attenuation primitive ...................................................................................................... 152

Table 159—SNR/Average SNR primitive .................................................................................................... 152

Table 160—Estimated clock deviation primitive ......................................................................................... 153

Table 161—SNR requirements for basic TMI modes ................................................................................... 154

Table 162—Power reduction for the amplitude map entry ........................................................................... 154

Table 163—Fields of the IV ......................................................................................................................... 156

Table 164—Parameters of ISP signal ........................................................................................................... 169

Table 165—ISP signal carrier frequencies ................................................................................................... 170

Table 166—ISP signal phase vector reference .............................................................................................. 171

Table 167—ISP signal phase vector offsets .................................................................................................. 171

Table 168—Meaning of the IEEE 1901.1 ISP window elds ....................................................................... 175

Table 169—Meaning of the IH-C1 window elds ........................................................................................ 175

Table 170—Meaning of the IH-C2 window elds ........................................................................................ 176

Table 171—Meaning of the IH-G window elds ......................................................................................... 176

Table D.1—Selection from IETF RFC 6282 [B8] ........................................................................................ 186

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