1、 TIA STANDARD Medium-Speed (up to 14 Mbps) Power Line Communications (PLC) Modems using Windowed OFDM TIA-1113 May 2008 TELECOMMUNICATIONS INDUSTRY ASSOCIATION Representing the telecommunications industry in association with the Electronic Industries Alliance NOTICE TIA Engineering Standards and Pub
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6、 determine the applicability of regulatory limitations before its use. (From Standards Proposal No. 3-4643-1, formulated under the cognizance of the TIA, TR-30 Multi-Media Access, Protocols and Interfaces. TR-30.1 Subcommittee onModems). Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION Standards
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22、EGOING NEGATION OF DAMAGES IS A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA-1113iTable of Contents1 SCOPE 12 NORMATIVE REFERENCES 23 DEFINITIONS AND ABBREVIATIONS . 33.1 DEFINITIONS. 33.2 ABBREVIATIONS 54 DOCUM
23、ENT OVERVIEW 84.1 NETWORK REFERENCE MODEL 85 OFDM PHY SPECIFICATION .125.1 OVERVIEW 135.2 OFDM ENCODER 155.2.1 Frame Control FEC . 155.2.2 Data FEC. 195.2.3 OFDM Symbols .275.2.4 Padding .385.3 TRANSMITTER ELECTRICAL SPECIFICATION 385.3.1 Transmit Spectrum Mask 385.3.2 Spurious Transmission 415.3.3
24、System Clock Frequency Tolerance .415.3.4 Transmit Constellation Accuracy. 415.3.5 Transmit Preamble accuracy.435.3.6 Transmit Priority Resolution Symbol (PRS) Accuracy 445.3.7 Transmitter Spectral Flatness . 455.4 RECEIVER ELECTRICAL SPECIFICATION 455.4.1 Receiver Input Voltage 455.4.2 Receiver Inp
25、ut Impedance 465.4.3 Immunity To Narrowband Interference465.4.4 Physical Carrier Sense 466 MEDIA ACCESS SPECIFICATION.476.1 OVERVIEW 476.2 MAC ARCHITECTURE 486.2.1 System View486.2.2 Access Method496.2.3 Frame Transport 496.2.4 Segmentation and Reassembly Overview 506.2.5 Privacy. 516.2.6 Logical Ne
26、tworks. 526.3 MAC PARAMETER SPECIFICATION. 526.4 CSMA/CA .536.4.1 Carrier Sense Mechanism.536.4.2 MAC-level Acknowledgments 556.4.3 Collisions. 556.4.4 Interframe Space. 556.4.5 Random Backoff Procedure 566.4.6 Access Procedure .586.4.7 Multicast/Broadcast Transfer Procedure. 646.4.8 ACK, NACK, FAIL
27、 Procedure 646.4.9 Duplicate Detection and Recovery 656.4.10 Minimum and Maximum Frame Sizes. 666.4.11 Segmentation and Reassembly 66TIA-1113ii6.4.12 Bridging .676.4.13 Segment Bursting686.4.14 Contention Free Access 696.5 MPDU FORMAT696.5.1 Bit Order 706.5.2 Delimiter Definition 716.5.3 Frame Heade
28、r . 776.5.4 Service Block.796.5.5 Block Pad (B-PAD)816.5.6 Frame Check Sequence816.6 MAC MANAGEMENT INFORMATION FIELD.836.6.1 MTYPE 836.6.2 MAC Control Field .836.6.3 MAC Entry Header 836.6.4 MAC Entry Length .856.6.5 MAC Management Entry. 856.7 CHANNEL ESTIMATION CONTROL FUNCTION.926.8 LINK STATUS
29、FUNCTION 946.9 PRIVACY AND KEY MANAGEMENT.946.9.1 Generation of encryption keys from passwords 946.9.2 Encryption algorithm and mode.946.9.3 Encryption Example 956.9.4 Network Encryption Key Management967 COMPATIBILITY 987.1 SPECTRAL COMPATIBILITY WITH OTHER SERVICES ON SAME MEDIUM987.2 FORWARD COMP
30、ATIBILITY FOR FUTURE STANDARDS.98ANNEX A (INFORMATIVE) 99MECHANICAL INTERFACE CONNECTORS 99ANNEX B (INFORMATIVE) 100BIBLIOGRAPHY.100ANNEX C PROCEDURAL MODEL (NORMATIVE) .101C.1 OVERVIEW 101C.2 PHY LAYER SERVICES101C.2.1 PHY Data Service .102C.3 MAC LAYER SERVICES .107C.3.1 MAC Data Service .107C.3.2
31、 MAC Management Service .109C.4 MODEL.114C.4.1 Receive Architecture .114C.4.2 Transmit Architecture 136ANNEX D (INFORMATIVE) 167PRIORITY MAPPING167TIA-1113iiiTable of FiguresFigure 1 - Document Structure 8Figure 2 - Specified Interfaces 9Figure 3 - Overall AC Wiring Topology . 10Figure 4 - High Leve
32、l Network Reference Model 11Figure 5 - Document Map . 12Figure 6 - TIA-1113 Modem PHY layer block diagram . 14Figure 7 - Frame Control FEC.15Figure 8 - Product Code Block 16Figure 9 - Interleaved Frame Control Data on Four Symbols (with Redundancy) 17Figure 10 - Data FEC Block Diagram .20Figure 11 -
33、 Data Scrambler.20Figure 12 - Convolutional Encoder .23Figure 13 - Process for rate bit-puncturing .24Figure 14 - Bit Interleaver 25Figure 15 - Interleaved Data on first four Symbols .26Figure 16 - OFDM Symbol Timing 28Figure 17 - PN Sequence Generator 30Figure 18 - Constellation Mapping31Figure 19
34、- Delimiter Structure (Informative). 34Figure 20 - Transmit Spectrum Mask 40Figure 21. MAC Overview47Figure 22 - System View of TIA-1113 Stations . 49Figure 23 - Frame Structure 50Figure 24 - Example Of The Segmentation Process 51Figure 25 - Medium States when a frame is transmitted or detected in C
35、ontention State .54Figure 26 - Medium States when a station gets preempted in the Priority Resolution Period and detectsno frame transmission in Contention State 54Figure 27 - Medium States when frame control errors or collision lead to a Busy State and no delimiter isdetected for an EIFS period . 5
36、5Figure 28. Interframe Space 56Figure 29. Basic Access Procedure. 60Figure 30 - Example of the Reassembly Process. 67Figure 31 - Long MPDU Format70Figure 32 - Short MPDU Format (ACK, NACK or FAIL) .70Figure 33 - Example Field Diagram and Bit Order to PHY.71Figure 34 - TIA-1113 MAC Address Field Defi
37、nition . 71Figure 35 - Frame Header. 77Figure 36 - Service Block 79Figure 37 - Frame Check Sequence CRC-16 Implementation . 82Figure 38 - MAC Service Primitive Model. 101Figure 39 - Receive Architecture 114Figure 40 - PHY Frame Receive Process State Diagram. 116Figure 41 - Reassemble Process State D
38、iagram . 124Figure 42 - Transmit Architecture . 136Figure 43 - Process TX MAC Service Block Process State Diagram. 138Figure 44 - Segment Process State Diagram . 151Figure 45 - PHY Frame Transmit Process State Diagram 155Figure 46 - LINK STATUS Process State Diagram 164TIA-1113ivForeword(This forewo
39、rd is not part of the Standard)This Standard was prepared by Telecommunications Industry Association technical standardsubcommittee TR-30.1, “Multi-Media Access, Protocols and Interfaces Modems,” and was approved byindustry ballot in April 2008.This Standard defines a modem that operates on electric
40、al wiring in user premises.There are four annexes attached to this Standard. Annexes A, B, and D informative and are notconsidered part of this Standard. Annex C is normative and is considered part of this Standard.TIA-1113vIntroductionThis Standard represents the contents of the HomePlug 1.0 specif
41、ication1 as written in 2001. Thisdocument has undergone a technical review. It does not include any additional improvements thatrepresent the state of the art at the time of publication of this standard. Where appropriate this standardindicates areas of potential enhancements for further study.It de
42、fines the functions, operations, and interface characteristics of this system for a medium-speednetwork using the medium of power line wiring based on Orthogonal Frequency Division Multiplexing(OFDM). This system provides support for communication of prioritized data in a home environment usingthe A
43、C power lines with the following features:Maximum PHY Layer payload rate of approximately 13 Mbps with an effective throughput comparableto 10BASE-T Ethernet, with provisions for extensions to higher data rates.Rate adaptive transceivers that optimize data rate and minimize packet error rate on a pe
44、r-link basiswhile dynamically adjusting to changes in line conditions.OFDM multi-tone modulation which provides robust communications in the presence of delay spreadand highly frequency selective channels without the use of equalizers.Tone Masking can be employed to provide compatibility with other
45、power line services and to matchinternational regulatory requirements.MAC Layer Automatic Repeat reQuest (ARQ) to guarantee reliability under high impulse noiseconditions.Channel access similar to IEEE 802.11 enhanced with priority signaling slots to ensure ordereddelivery of prioritized frames.1 Ho
46、mePlug Industry Alliance, http:/Use of this trademark does not constitute an endorsement of this product or service by TIA or thiscommittee.TIA-11131A Medium-SpeedPower Line Communications (PLC) Modem1 SCOPEThis Standard represents the contents of the HomePlug 1.0 specification as written in 2001. T
47、hisdocument has undergone a technical review. It does not include any additional improvements thatrepresent the state of the art at the time of publication of this standard. Where appropriate this standardindicates areas of potential enhancements for further study.It specifies the interoperability a
48、nd compatibility requirements for a medium-speed Power Line Networkmodem. The requirements are written from the perspective of a compliant transmitter, although someminimum receiver performance requirements are documented. This Standard does not specifyimplementation specifics not required for inter
49、operability. Procedures for testing compliance to theserequirements are outside the scope of this Standard.TIA-111322 NORMATIVE REFERENCESThe following standards contain provisions which, through references in the text, constitute provisions ofthis Standard. At the time of publication, the editions indicated were valid. All standards are subject torevision, and parties to agreements based on this Standard are encouraged to investigate the possibilityof applying the most recent editions of the standards indicated below. ANSI and TIA maintain registers ofcurre
