GB/T 40779-2021 English PDF

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GB/T 40779-2021: Information technology - Telecommunications and information exchange between systems - Low-voltage power line communication protocol for urban street light access
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Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 40779-2021	609	Add to Cart	5 days	Information technology - Telecommunications and information exchange between systems - Low-voltage power line communication protocol for urban street light access	Valid

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Basic data

Standard ID: GB/T 40779-2021 (GB/T40779-2021)
Description (Translated English): Information technology - Telecommunications and information exchange between systems - Low-voltage power line communication protocol for urban street light access
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L77
Word Count Estimation: 33,342
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40779-2021: Information technology - Telecommunications and information exchange between systems - Low-voltage power line communication protocol for urban street light access

---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 protocol for urban street light access ICS 35.110 CCSL77 National Standards of People's Republic of China Remote communication and information exchange between information technology systems Applied to low-voltage power lines connected to urban street lights letter of agreement Released on 2021-10-11 2022-05-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Abbreviations 1 5 Power line communication protocol stack structure 2 6 Application support layer 3 6.1 General requirements 3 6.2 Application support layer protocol frame 3 6.3 Data Transmission 4 6.4 Network Management Command 4 7 Data link layer 8 7.1 Logical Link Control Sublayer 8 7.2 Media Access Control Sublayer 17 8 Physical layer 26 8.1 General requirements 26 8.2 Physical layer coding and modulation 26 8.3 Physical layer frame format 26 8.4 Subcarrier 27 8.5 Channel coding 27 8.6 OFDM modulation 28 8.7 Physical layer signal transmission mode 28 8.8 Physical layer services 29

Foreword

This 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. 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, Shenzhen Lihe Microelectronics Co., Ltd., Anhui Denuo Technology Co., Ltd. Co., Ltd., Shenzhen Saixi Information Technology Co., Ltd., Shenzhen Urban Transport Planning and Design Research Center Co., Ltd., Shenzhen Lighting Ming Management Center, East China Branch of China Electronics Standardization Institute, Beijing Zhuhai Zhuoyuexintong Electronics Co., Ltd., Zhuhai Zhonghui Microelectronics Co., Ltd., Guangzhou Lighting Construction Management Center, Jiangsu Saixi Technology Development Co., Ltd., Xiamen Ridley Calibration and Testing Technology Co., Ltd. The main drafters of this document. Sun Wei, Zhu Yong, Kou Hong, Zhuo Lan, Yang Hong, Liu Kun, Han Li, Chen Liheng, Gao Hongbing, Zhang Chi, Peng Bo, Guo Xiong, Shou Jiayu, Lei Gen, Xu Wenxue, Li Xianhuai, Xie Yinghai, Zhang Xiaochun, Lin Tao, Qiu Yurong, Huang Ya, Wang Jie, Wu Chunhai, Xu Shaohui. Remote communication and information exchange between information technology systems Applied to low-voltage power lines connected to urban street lights letter of agreement

1 Scope

This document specifies the narrowband low-voltage power line communication application support layer, data link layer and physical layer protocols applied to the access of urban street lights. This document is suitable for applications that communicate with street lights via low-voltage power supply lines (220V/380V voltage levels).

2 Normative references

The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 31983.31-2017 Low-Voltage Narrowband Power Line Communication Part 31.Narrowband Orthogonal Frequency Division Multiplexing Power Line Communication Physics Layer specification

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Powerline communication The data is modulated to a suitable carrier frequency in a certain way, and the power line is used as a physical medium for transmission, which is realized in the data terminal. Communication or control between. Note. Power line communication is also called power line carrier communication.

4 Abbreviations

The following abbreviations apply to this document. AP. Application API. Application Interface (ApplicationInterface) APDU. Application Protocol Data Unit (APPProtocolDataUnit) APS. Application Support (ApplicationSupport) ASG. Active Sub-carrier Group (ActiveSub-carrierGroup) CCA. Channel Condition Assessment (ChannelConditionAssessment) CFP. ContentionFreePeriod CRC. Cyclic Redundancy Check (CyclicRedundancyCheck) CSMA/CA. Carrier Sense Multiple Access with Colision A- voidance) DIB. Data Information Base (DataInformationBase) DID. Domain Identification (DomainIdentification) DLL. Data Link Layer (DataLinkLayer) ......

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