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GB/T 40783.2-2022: Information technology - Telecommunications and information exchange between systems - Magnetic field area network(MFAN) - Part 2: In-band control protocol for wireless power transfer
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GB/T 40783.2-2022: Information technology - Telecommunications and information exchange between systems - Magnetic field area network(MFAN) - Part 2: In-band control protocol for wireless power transfer

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Information technology -- Telecommunications and information exchange between systems -- Magnetic field area network(MFAN) -- Part 2.In-band control protocol for wireless power transfer ICS 35.110 CCSL77 National Standards of People's Republic of China Telecommunication and information exchange between information technology systems Magnetic Domain Network Part 2.In-band Wireless Charging Control Protocol (ISO /IEC 15149-2.2015, IDT) Published on 2022-10-12 2023-05-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I Introduction II 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Abbreviations 2 5 General 3 6 Network elements 5 6.1 Overview 5 6.2 Time element 5 6.3 Physical elements 6 6.4 Address element 7 7 Network status8 7.1 Overview 8 7.2 Network Status of MPAN 8 7.3 MPAN state 9 8 Physical layer frame format 13 8.1 Overview 13 8.2 Preamble 13 8.3 Frame header 13 8.4 Payload 13 8.5 Frame Check Sequence 14 9 MAC layer frame format 14 9.1 Overview 14 9.2 MPAN frame format 14 9.3 Energy Status Feedback Frame Format 21 10 MAC Layer Functions 23 10.1 Overview 23 10.2 The stabilization process 23 10.3 Incentive Process 25 10.4 The regeneration process 25 11 Air interface 26 11.1 Frequency 26 11.2 Signal waveforms 26

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" drafted. This document is part 2 of GB/T 40783 "Magnetic Domain Network for Remote Communication and Information Exchange between Information Technology Systems". GB/T 40783 has released the following parts. --- Part 1.Air interface; --- Part 2.In-band wireless charging control protocol. This document is equivalent to ISO /IEC 15149-2.2015 "Telecommunication and Information Exchange Magnetic Area Networks between Information Technology Systems Part 2" Points. In-band Wireless Charging Control Protocol. The following editorial changes have been made to this document. --- Delete the abbreviations "CRC" "DRA" "GSRq" "GSRA" "SIFS" not mentioned in the ISO /IEC 15149-2.2015 text. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed and managed by the National Information Technology Standardization Technical Committee (SAC/TC28). This document was drafted by. China Electronics Standardization Institute, State Grid Jiangsu Electric Power Co., Ltd., Chongqing University of Posts and Telecommunications, Jingfeng Technology (Shenzhen) Co., Ltd., Shenzhen Global Testing Service Co., Ltd., Chongqing Weishen Technology Co., Ltd., University of Science and Technology of China, Shenzhen Race West Information Technology Co., Ltd., Xiamen Xinye Microelectronics Technology Co., Ltd., China Communications Industry Association, China Electronics Technology Standardization Institute East China Branch, Shanghai Integrated Communication Equipment Co., Ltd., Jiangsu Saixi Technology Development Co., Ltd., Ministry of Industry and Information Technology, Computer and Microelectronics Development Research Center (China Software Evaluation Center), Wuxi Internet of Things Industry Research Institute, Xi'an Xidian Jietong Wireless Network Communication Co., Ltd. Company, Foxconn Industrial Internet Co., Ltd. The main drafters of this document. Sun Wei, Huang Qingqing, Yang Hong, Kang Yun, Ren Junmin, Chen Ke, Jiang Xindong, Zhang Yan, Lei Chaojie, Dai Jiwei, Li Yang, Miao Fuyou, Zhang Chi, Lin Guijiang, Wei Min, Lei Gen, Guo Xiong, Hu Jie, Sun Xu, Guo Yongzhen, Xiong Yan, Ren Lianfeng, Lu Wenqing, Wang Wei, Yuan Ruiju, Liu Dan, Fu Genli, Du Zhiqiang, Zhang Kangming, Guo Jianchao, Wu Mingjuan, Ma Baiwang, Zhang Xueqin, Wang Yuehui, Ma Li, Xu Shaohui.

Introduction

GB/T 40783 provides the information communication protocol within the Magnetic Area Network (MFAN). MFAN supports wireless communication and complex environments wireless energy transmission and other services. MFAN generally includes four parts of the protocol. air interface protocol, in-band control protocol, relay protocol and security protocol. This document is proposed to consist of four parts. --- Part 1.Air interface. The purpose is to establish the physical layer and media access control layer protocol suitable for low carrier frequency magnetic field environment air interface. --- Part 2.In-band wireless charging control protocol. The purpose is to enable simultaneous wireless energy transmission and In-band network systems for data transmission establish specific requirements. --- Part 3.Extended range relay protocol. The purpose is to establish addressing, requesting, and responding to relay protocols in an extended range. Code related rules should be used. --- Part 4.Security authentication protocol. The purpose is to establish security for wireless sensor networks that operate reliably in special environments Authentication protocol requirements. Telecommunication and information exchange between information technology systems Magnetic Domain Network Part 2.In-band Wireless Charging Control Protocol

1 Scope

This document specifies an in-band network system that can simultaneously perform wireless energy transmission and data transmission in the same frequency band. The network and remote and continuous energy supply provide technical solutions. The design of the network is based on the principles given in ISO /IEC 15149 Magnetic Domain Networks, in this way to achieve priority in equipment control At the same time, wireless energy transmission management is performed for multiple devices in the request. This document focuses on the PHY layer and MAC layer protocols and does not involve Matters related to upper-layer protocols. The PHY layer and the MAC layer jointly perform the following tasks. data transmission, signal control, wireless energy transmission. This document is expected to perform well in the following use cases. ---Mobile phones. provide a ubiquitous charging environment for portable devices; ---Household appliances. There is no need to use wires and power plugs, and electrical appliances can be arranged without restriction. The MAC layer protocol specified in this document is expected to perform well in the following scenarios. --- Variable superframe structure for wireless energy transmission of multiple devices; ---Simple and effective network topology for efficient wireless energy transfer; ---Efficient time-sharing dynamic address allocation among multiple devices. The PHY layer protocol specified in this document is expected to perform well in the following scenarios. --- a frequency band used for both wireless energy transfer and magnetic field communication; --- Low implementation cost and minimal error margin for convenient, robust modulation; --- Variable encoding and bandwidth for dynamic charging environments.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 40783.1-2021 Remote Communication and Information Exchange Magnetic Area Networks between Information Technology Systems Part 1.Air Interface (ISO /IEC 15149-1.2014, MOD) Note. There is no technical difference between the quoted content of GB/T 40783.1-2021 and the quoted content of ISO /IEC 15149-1.2014.

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Wireless charging A method of continuously and simultaneously transferring energy to a single or multiple devices within a range without physical contact. ...