GB/T 42756.2-2023 English PDFUS$999.00 · In stock
Delivery: <= 7 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 42756.2-2023: Cards and security devices for personal identification - Contactless proximity objects - Part 2: Radio frequency power and signal interface Status: Valid
Basic dataStandard ID: GB/T 42756.2-2023 (GB/T42756.2-2023)Description (Translated English): Cards and security devices for personal identification - Contactless proximity objects - Part 2: Radio frequency power and signal interface Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: L70 Classification of International Standard: 35.240.15 Word Count Estimation: 49,484 Date of Issue: 2023-05-23 Date of Implementation: 2023-12-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 42756.2-2023: Cards and security devices for personal identification - Contactless proximity objects - Part 2: Radio frequency power and signal interface---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. ICS 35:240:15 CCSL70 National Standards of People's Republic of China Card and ID Security Devices Contactless Proximity Objects Part 2: RF power and signal interface (ISO /IEC 14443-2:2020, MOD) Released on 2023-05-23 2023-12-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee table of contentsPreface V Introduction VI 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Symbols and abbreviations 2 5 General requirements 4 5:1 Initial session 4 5:2 Compliance 4 6 Energy transfer5 6:1 General 5 6:2 Frequency 5 6:3 Workplace Strength 5 7 Signal interface 7 8 TypeA communication signal interface 8 8:1 Communication from PCD to PICC 8 8:2 Communication from PICC to PCD 22 9 TypeB communication signal interface 30 9:1 Communication from PCD to PICC 30 9:2 Communication from PICC to PCD 37 10 Electromagnetic Interference Level 38 10:1 Limits of PCD 38 10:2 Limits for PICCs 38 Appendix A (Informative) Complex Envelope and Constellation 39 Appendix B (Informative) Intersymbol Interference 40 Reference 42 Figure 1 PauseA 9 with a bit rate of fc/128 Figure 2 PauseA timing parameter 11 with a bit rate of fc/128 Figure 3 PauseA 11 with bit rates fc/64, fc/32 and fc/16 Figure 4 PauseA timing parameter 13 with a bit rate of fc/64 Figure 5 PauseA timing parameter 14 with a bit rate of fc/32 Figure 6 PauseA timing parameter 14 with a bit rate of fc/16 FIGURE 7 Nominal constellation point 15 FIGURE 8 Actual constellation point 16 Figure 9 Maximum ISIm limit for PCD and PICC17 Figure 10 TypeA sequence of PCD to PICC communication (logic modulation signal) 18 FIGURE 11 Constellation diagram depicting the PICC partial responses of US, MS1 and MS218 Figure 12 Constellation diagram depicting the PICC partial response for VLMA,min,PICC constraints24 FIGURE 13 PICC partial response constellation diagram depicting ϕLM25 FIGURE 14 PICC partial response constellation diagram depicting ϕLM25 Fig: 15 Depicts the PICC partial response constellation of ϕLM,MEAN 26 FIGURE 16 Minimum load modulation amplitude for "Class 1"28 FIGURE 17 Minimum load modulation amplitude for "category 2" and "category 3"28 FIGURE 18 Minimum load modulation amplitude for "category 4"28 FIGURE 19 Minimum load modulation amplitude for "category 5"29 FIGURE 20 Minimum load modulation amplitude for "category 6"29 Figure 21 TypeB modulation waveform 31 Figure 22 TypeB modulation index m 32 at bit rates fc/128, fc/64, fc/32, fc/16 Figure 23 Timing parameter of TypeB modulation waveform with bit rate fc/128 33 Figure 24 Timing parameter of TypeB modulation waveform with bit rate fc/64 33 Figure 25 Timing parameter of TypeB modulation waveform with bit rate fc/32 34 Figure 26 Timing parameter of TypeB modulation waveform with bit rate fc/16 35 Figure 27 Timing parameter of modulation waveform with bit rate fc/8 35 Figure 28 Modulation waveform timing parameters with bit rate fc/4 36 Figure 29 Transmission of binary information from PCD to PICC at bit rates 3fc/4 and 3fc/236 Figure 30 Transmission of binary information from PCD to PICC with bit rates fc and 2fc37 Figure 31 Schematic diagram of allowing EMD spikes 38 Figure B:1 Example of inter-symbol interference due to limited bandwidth channels as a function of time40 Figure B:2 Constellation example of the amplitude and phase of the modulated carrier in continuous time in the case of inter-symbol interference caused by a limited bandwidth channel 41 Table 1 PCD field strength6 Table 2 PICC workplace strength 7 Table 3 Example 7 where PCD to PICC communication signals are TypeA and TypeB interfaces respectively Table 4 Examples of PICC to PCD communication signals are TypeA and TypeB interfaces respectively 8 Table 5 PCD transmission: PauseA timing parameter 10 with a bit rate of fc/128 Table 6 PICC reception: PauseA timing parameter 10 with a bit rate of fc/128 Table 7 PCD transmission: PauseA parameter 12 for bitrates fc/64, fc/32 and /fc/16 Table 8 PICC reception: PauseA parameter 12 with bit rate fc/64, fc/32, fc/16 Table 9 etu and NP number 15 Table 10 EPI 15 Table 11 PR 16 sent by PCD Table 12 PR 16 received by PICC TABLE 13 ISIm limits transmitted by PCD17 Table 14 ISIm limits received by PICC17 Table 15 Parameters of the sequence 18 TABLE 16 Start of communication at bit rates 3fc/4 and 3fc/219 TABLE 17 NP codes for bit rates 3fc/4 and 3fc/219 TABLE 18 NP decoding at bit rates 3fc/4 and 3fc/220 TABLE 19 Communication start 20 for bit rates fc and 2fc TABLE 20 NP codes with bit rates fc and 2fc21 TABLE 21 NP decoding for bit rates fc and 2fc22 TABLE 22 Load modulation amplitude limits for PICC transmission24 Table 23 Subcarrier frequency and bit rate 26 Table 24 Load modulation amplitude limits for PCD reception 27 TABLE 25 PCD transmit overshoot and undershoot for all supported bit rates32 TABLE 26 PICC receive overshoot and undershoot for all supported bit rates32forewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting: This document is part 2 of GB/T 42756 "Card and Identification Security Equipment Contactless Proximity Object": GB/T 42756 The following parts have been published: --- Part 1: Physical characteristics; --- Part 2: RF power and signal interface; --- Part 3: Initialization and anti-collision; --- Part 4: Transmission protocol: This document is modified to adopt ISO /IEC 14443-2:2020 "Card and Identification Security Equipment Contactless Proximity Object Part 2 Sub: RF Power and Signal Interface": The technical differences between this document and ISO /IEC 14443-2:2020 and their reasons are as follows: --- ISO /IEC 14443-1:2018 is replaced by GB/T 42756:1-2023 with normative references, the consistency between the two documents The degree of stability is modified to adapt to the technical conditions of our country (see 6:2, 8:2:2:2): --- Replaced ISO /IEC 14443-3:2018 with the normative reference document GB/T 42756:3-2023, one between the two documents The degree of consistency is equivalent (see Chapter 2): The following editorial changes have been made to this document: ---Incorporated the content of ISO /IEC 14443-2:2020/Amd1:2021, the outer margins of the terms involved are in vertical Double lines (‖) are marked (see Chapter 4, 6:3, Table 22, 9:1:2, 10:2); ---Incorporated the content of the corrigendum of ISO /IEC 14443-2:2020/Cor1:2021, the outer margins of the terms involved are marked with vertical Straight double lines (‖) are marked (see 8:1:3:3, 8:1:3:4, 9:1:3:2, 9:1:3:3); ---Added the normative reference document ISO /IEC 14443-4, because it is quoted in ISO /IEC 14443-2:2020/Amd1:2021 ISO /IEC 14443-4 (see 6:3): ---In ISO /IEC 14443-2:2020/Cor1:2021, Figure 29~Figure 30 in the original text is changed to Figure 11~Figure 12, so the original Figure 11~ Figure 28 corresponds to Figure 13 to Figure 30 of this document, and the corresponding references are revised at the same time (see Figure 11 to Figure 30, ISO /IEC 14443-4: Figure 11~Figure 30 of:2018); ---In ISO /IEC 14443-2:2020/Cor1:2021, the title of 9:1:3:2 of the original text is changed to "bit rate 3fc/4 and 3fc/2 Bit representation and coding of ", add 9:1:3:3 "Bit representation and coding of bit rate fc and 2fc": Please note that some contents of this document may refer to patents: 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 is drafted by: China Institute of Electronics Standardization, Goldpac Co:, Ltd:, Shenzhen Aerospace Information Co:, Ltd:, Shenzhen Saixi Information Technology Co:, Ltd:, Beijing Zhixin Microelectronics Technology Co:, Ltd:, Ziguang Tongxin Microelectronics Co:, Ltd:, Eastcom Peace Technology Co:, Ltd: Company, Beijing Eyes Intelligent Technology Co:, Ltd:, Chutianlong Co:, Ltd:, Beijing Watchdata Co:, Ltd:, Shanghai Fudan Microelectronics Group Co:, Ltd:, Wuhan Tianyu Information Industry Co:, Ltd:, Datang Microelectronics Technology Co:, Ltd:, China Electronics Smart Card Co:, Ltd: Company, Guangdong Haichao Technology Co:, Ltd:, Beijing Unisplendour Qingteng Microsystem Co:, Ltd:, China Mobile Communications Group Co:, Ltd:, Shanghai Mi Te Yin Co:, Ltd:, Beijing Zhongdian Huada Electronic Design Co:, Ltd:, Anhui Yibiao Information Technology Co:, Ltd:, Feitian Chengxin Technology Co:, Ltd: Ltd: The main drafters of this document: Cao Guoshun, Xu Muping, Chen Yuxia, Li Miao, Wang Wenhe, Sheng Jinggang, Zhang Xiaochuan, Yang Chunlin, Jiang Quming, Zheng Jiangdong, Xu Pingjiang, Cheng Wenjie, Shao Xing, Hu Ruijing, Li Bin, Zhou Zheng, Shi Chunteng, Yan Zhiwei, Ding Yimin, Liu Xiaochen, Pan Liang, Cui Congjun, Zhu Pengfei:IntroductionContactless card standards include ISO /IEC 10536 (tightly coupled card), GB/T 42756 (proximity card) and GB/T 22351 (proximity card) card) and other types: These types of equipment are designed to operate at very close, close and long distances respectively from the associated coupling device: GB/T 42756 "Card and Identity Recognition Security Equipment Contactless Proximity Object" stipulates that identification cards and identification cards in accordance with GB/T 14916 Comply with the technical requirements for flexible thin cards in GB/T 28177:1, and use these cards for information exchange: This technology provides standard card Forms other than formats provide the possibility to approach type objects: In addition, it does not exclude the use of other technologies on the card, such as GB/T 42756:1 attached Techniques in Record A: GB/T 42756 consists of four parts: --- Part 1: Physical properties: The purpose is to specify the physical characteristics of proximity objects: --- Part 2: RF power and signal interface: The purpose is to specify the Proximity Coupling Device (PCD) and the Proximity Card or Object (PICC) provides the characteristics of the field of energy and two-way communication: --- Part 3: Initialization and anti-collision: The purpose is to specify requirements for contactless proximity object initialization and anti-collision: --- Part 4: Transmission protocol: The purpose is to establish a half-duplex block transfer protocol required for a contactless environment and to specify activation and deactivation A step of: Card and ID Security Devices Contactless Proximity Objects Part 2: RF power and signal interface1 ScopeThis document specifies the field for providing energy and two-way communication between a proximity coupling device (PCD) and a proximity card or object (PICC): characteristics: This document does not specify methods for generating coupling fields, nor does it specify methods for complying with regulations on electromagnetic radiation and human exposure: This document is applicable to the design, production, application and testing of proximity cards and equipment:2 Normative referencesThe contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, 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 42756:1-2023 Cards and identification security equipment Contactless proximity objects Part 1: Physical characteristics (ISO /IEC 14443-1:2018, MOD) GB/T 42756:3-2023 Cards and identification security devices Contactless proximity objects Part 3: Initialization and anti-collision (SO/IEC 14443-3:2018, IDT) ISO /IEC 10373-6 Test methods for cards and identification security devices - Part 6: Contactless proximity objects (Cardsand ISO /IEC 14443-4 Cards and identification security devices Contactless proximity objects Part 4: Transmission protocol (Cardsand tocol) Note: GB/T 42756:4-2023 Cards and identification security equipment Contactless proximity objects Part 4: Transmission protocol (ISO /IEC 14443-4: 2018, IDT)3 Terms and DefinitionsThe following terms and definitions apply to this document: 3:1 bit duration bitduration Defines the duration of the logic level, at the end of which a new bit starts: 3:2 A phase shift of 180° results in phase shift keying of two possible phase states: 3:3 Modified Miller coding modifiedMiler A method of bit encoding in which the logic level within the bit duration (3:1) is represented by the position of the pulse within the bit frame: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 42756.2-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 42756.2-2023_English as soon as possible, and keep you informed of the progress. 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