GB/T 40786.1-2021 English PDFUS$1599.00 · In stock
Delivery: <= 8 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 40786.1-2021: Information technology - Telecommunications and information exchange between systems - Low voltage power line communication - Part 1: Physical layer specification Status: Valid
Basic dataStandard ID: GB/T 40786.1-2021 (GB/T40786.1-2021)Description (Translated English): Information technology - Telecommunications and information exchange between systems - Low voltage power line communication - Part 1: Physical layer specification Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: L79 Word Count Estimation: 88,846 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 40786.1-2021: Information technology - Telecommunications and information exchange between systems - Low voltage power line communication - Part 1: Physical layer specification---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. Information technology - Telecommunications and information exchange between systems - Low voltage power line communication - Part 1.Physical layer specification ICS 35.110 CCSL79 National Standards of People's Republic of China Remote communication and information exchange between information technology systems Low-voltage power line communications. Part 1.Physical layer specifications Released on 2021-10-11 2022-05-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee Table of contentsForeword Ⅲ Introduction Ⅳ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Symbols and abbreviations 3 4.1 Symbol 3 4.2 Abbreviations 4 5 Physical layer 5 5.1 System Overview 5 5.2 Physical Coding Sublayer (PCS) 6 5.3 Physical Media Attachment (PMA) 11 5.4 Physical Media Related Sublayer (PMD) 15 Appendix A (Normative) Pseudo-random bit sequence generated by LFSR 34 Appendix B (Normative) Physical Layer Control Domain 40 Appendix C (normative) LDPC code cyclic matrix 74 Appendix D (normative) LDPC code check matrix 75 Appendix E (informative) International amateur radio frequency band 82ForewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document is the first part of GB/T 40786 "Telecommunications and Information Exchange Between Information Technology Systems, Low-Voltage Power Line Communication". GB/T 40786 has released the following parts. ---Part 1.Physical layer specification; ---Part 2.Data link layer specification. Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed and managed by the National Information Technology Standardization Technical Committee (SAC/TC28). Drafting organizations of this document. China Electronics Standardization Institute, Tsinghua University, Beijing Zhuoyuexintong Electronics Co., Ltd., Shenzhen HiSilicon Semiconductor Co., Ltd., Shenzhen Zhongxing Microelectronics Technology Co., Ltd., Qingdao Neusoft Carrier Technology Co., Ltd., Anhui De Nuoke Technology Co., Ltd., Shenzhen Lihe Microelectronics Co., Ltd., China Electric Power Research Institute Co., Ltd., Wasion Information Technology Co., Ltd. Company, Beijing Quandian Zhiling Technology Co., Ltd., Shenzhen Guodian Technology Communication Co., Ltd. The main drafters of this document. Yang Fang, Kou Hong, Song Jian, Zhuo Lan, Sun Wei, Jiang Tong, Cheng Chen, Xu Wenxue, Liu Pei, Dong Haitao, Xu Pengcheng, Liu Kun, Liu Xuan, Li Xiao, Liu Sicong, Peng Bo, Dong Chen, Zhang Hailong, Peng Kewu, Liu Qingyang.IntroductionGB/T 40786 "Telecommunications and Information Exchanges Between Information Technology Systems, Low-Voltage Power Line Communication" draws on international mainstream standards Framing and data transmission methods and protocol architecture, mainly for broadband power line communication network networking, management and maintenance, security mechanisms, neighbor interference agreements The part of adjustment, resource scheduling, etc. is described. This document is intended to be composed of two parts. ---Part 1.Physical layer specification. The purpose is to standardize the physics that is applicable to low-voltage power line communication technology in complex and harsh environments. Layer protocol. ---Part 2.Data link layer specification. The purpose is to standardize broadband low-voltage power line communication network topology, equipment data link layer agreement Protocol stack structure, data link layer frame format and management message format, beacon-based competition and non-competition channel access mechanism, network Low-voltage power line communication such as network access and exit mechanisms, network management and maintenance procedures, routing and topology management protocols, and security mechanisms Technical content. The issuing agency of this document draws attention to the fact that when declaring compliance with this document, 5.4.6, 5.3.4, 5.4.4, 5.4.9, 5.4.8, 5.4.9, 5.4.9 and "Constellation mapping method, coding modulation method and system based on APSK constellation diagram" "a method for constructing multi-rate LDPC codes" Method" "Bit Mapping-based Coding and Modulation Method and Corresponding Demodulation and Decoding Method" "Time Domain Windowing Method of Time Domain Synchronous Orthogonal Frequency Division Multiplexing System Method and device" "Iterative channel estimation method and device based on non-equivalent training sequence filling block transmission system" "TDS-OFDM mid-power receiver It is used in related patents "Method and Device for Power Suppression in Limited Frequency Band" "Method and Device for Frame Synchronization Sequence Generation in Digital Communication System". The issuing agency of this document has no position on the authenticity, validity and scope of the patent. The patent holder has assured the issuing organization of this document that he is willing to work with any applicant under reasonable and non-discriminatory terms and conditions. Negotiations on the licensing of patents. The statement of the patent holder has been filed with the issuing agency of this document. Relevant information can be through the following Contact information. 1.201110099872.4 "Constellation mapping method, coding modulation method and system based on APSK constellation diagram" Contact. Yang Fang Contact. 010-62795221 Email. fangyang@tsinghua.edu.cn 2.201210272811.8 "A construction method of multi-rate LDPC codes" Contact. Yang Fang Contact. 010-62795221 Email. fangyang@tsinghua.edu.cn 3.201210460943.3 "Time Domain Windowing Method and Device for Time Domain Synchronous Orthogonal Frequency Division Multiplexing System" Contact. Yang Fang Contact. 010-62795221 Email. fangyang@tsinghua.edu.cn 4.201210529973.5 "Iterative channel estimation method and device based on non-peer training sequence stuffing block transmission system" Contact. Yang Fang Contact. 010-62795221 Email. fangyang@tsinghua.edu.cn 5.201310027786.1 "Power Suppression Method and Device for Power Limited Frequency Band in TDS-OFDM" Contact. Yang Fang Contact. 010-62795221 Email. fangyang@tsinghua.edu.cn 6.201310037606.8 "Method and device for generating frame synchronization sequence in digital communication system" Contact. Yang Fang Contact. 010-62795221 Email. fangyang@tsinghua.edu.cn Please note that in addition to the above-mentioned patents, certain contents of this document may still involve patents. The issuing agency of this document is not responsible for identifying patents responsibility. Remote communication and information exchange between information technology systems Low-voltage power line communications. Part 1.Physical layer specifications1 ScopeThis document specifies the functional modules, transmission communication protocol and coding of the physical layer of a broadband low-voltage (below 1kV) power line communication system Modulation method, etc. This document applies to the design, manufacture, use and maintenance of physical layer equipment that uses low-voltage power lines as communication media.2 Normative referencesThere are no normative references in this document.3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 Physicallayerframe The basic unit of physical layer transmission includes preamble, control domain and data domain. 3.2 Physicalcodingsub-layer Connect the MAC layer and PMA to realize the mutual conversion between MPDU and physical layer frame bit stream. 3.3 Physicallayermanagement The physical coding sublayer (PCS), physical media attachment sublayer (PMA) and physical media related sublayers included in the physical layer of the control system (PMD) Three main functional sub-layer modules. 3.4 Controlfield The part of the physical layer frame header located after the preamble symbol of the physical frame and before the data field is used to control the transmission mode of the physical layer frame and the physical layer frame Structure, including control bit fields related to the physical layer frame, such as the control physical layer frame type, frame structure, and transmission mode, as well as the control interface with the DLL Bit field. 3.5 Datasub-frame The basic unit of data transmission in the physical layer data domain. 3.6 Control sub-frame The basic unit for transmitting control signaling in the physical layer control domain. 3.7 Datafield It is composed of an integer number of data subframes, and carries the MPDU information that needs to be transmitted. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 40786.1-2021_English be delivered?Answer: Upon your order, we will start to translate GB/T 40786.1-2021_English as soon as possible, and keep you informed of the progress. 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