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GB/T 39345-2020 English PDF

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US$869.00 · In stock
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GB/T 39345-2020: Space data and information transfer systems. AOS(advanced orbiting systems) space data link protocol
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39345-2020	869	Add to Cart	7 days	Space data and information transfer systems. AOS(advanced orbiting systems) space data link protocol	Valid

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Basic data

Standard ID: GB/T 39345-2020 (GB/T39345-2020)
Description (Translated English): Space data and information transfer systems. AOS(advanced orbiting systems) space data link protocol
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: V75
Classification of International Standard: 49.140
Word Count Estimation: 47,48
Date of Issue: 2020-11-19
Date of Implementation: 2021-06-01
Quoted Standard: GB/T 2900.54; ISO 10537-2016; ISO 22646-2005
Adopted Standard: ISO 22666-2016, MOD
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the business, data unit format, protocol process, management parameters and protocol provisions supporting the security of the space data link of the Advanced On-Orbit System (AOS) space data link protocol. This standard applies to the data link layer data transmission services of spacecraft air-to-ground and air-to-air communications using advanced on-orbit system space data link protocol.

GB/T 39345-2020: Space data and information transfer systems. AOS(advanced orbiting systems) space data link protocol

---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.
(Space data and information transmission system Advanced on-orbit system space data link protocol) ICS 49.140 V75 National Standards of People's Republic of China Spatial data and information transmission system Advanced on-orbit system spatial data link protocol 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Preface Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Abbreviations 1 5 Protocol overview 2 5.1 Related concepts 2 5.2 Business Overview 4 5.3 Function overview 7 6 Business 10 6.1 Overview 10 6.2 Business Data Unit 10 6.3 Virtual Channel Package (VCP) Service 11 6.4 Bitstream business 12 6.5 Virtual Channel Access (VCA) Service 13 6.6 Virtual channel operation control domain (VC_OCF) business 14 6.7 Virtual Channel Frame (VCF) Service 14 6.8 Main Channel Frame (MCF) Service 15 6.9 Insert business 16 7 Data unit format 17 7.1 Convention of bit number 17 7.2 AOS transport frame 17 7.3 Transmission frame leading header 18 7.4 Transmission frame insertion field 20 7.5 Transmission frame data field 20 7.6 Operation Control Domain 23 7.7 Frame Error Control Field 23 8 Agreement process 25 8.1 Sender protocol flow 25 8.2 Receiver protocol flow 29 9 Management parameters 33 9.1 Overview 33 9.2 Physical channel management parameters 33 9.3 Main channel management parameters 34 9.4 Virtual channel management parameters 34 9.5 Packet transmission management parameters 34 10 Protocols and regulations supporting space data link security 35 10.1 Overview 35 10.2 SDLS protocol format specification 35 10.3 Data link security protocol flow 37 10.4 Management of data link security services 38 Appendix A (informative appendix) Structural changes of this standard compared with ISO 22666.2016 39 Appendix B (informative appendix) The technical differences between this standard and ISO 22666.2016 and the reasons 41 Figure 1 The hierarchical relationship between AOS spatial data link protocol and OSI 3 Figure 2 Relationship between channels 4 Figure 3 Asynchronous business model 5 Figure 4 Synchronous business model 6 Figure 5 The internal composition of the sender protocol entity 8 Figure 6 The internal composition of the receiving end protocol entity 9 Figure 7 AOS spatial data link protocol channel tree 9 Figure 8 The convention of the serial number 17 Figure 9 AOS transmission frame composition structure 18 Figure 10 Transmission frame leading header 18 Figure 11 M_PDU format 21 Figure 12 B_PDU format 22 Figure 13 Frame error control coding logic Figure 24 Figure 14 Frame error control decoding logic diagram 25 Figure 15 Packet processing function abstract model 26 Figure 16 Abstract Model of Bit Stream Processing Function 26 Figure 17.Abstract model of virtual channel generation function 27 Figure 18 Virtual channel multiplexing function abstract model 28 Figure 19 The abstract model of the main channel multiplexing function 28 Figure 20 The abstract model of all frame generation functions 29 Figure 21 Abstract model of all frame receiving functions 30 Figure 22.Main channel demultiplexing function abstract model 30 Figure 23 Abstract model of virtual channel demultiplexing function 31 Figure 24 Abstract model of virtual channel receiving function 32 Figure 25 Abstract model of bit stream extraction function 32 Figure 26 Abstract model of package extraction function 33 Figure 27 Comparison of frame without SDLS and frame with SDLS 36 Table 1 Services provided by AOS spatial data link protocol 6 Table 2 Physical channel management parameters 33 Table 3 Main channel management parameters 34 Table 4 Virtual channel management parameters 34 Table 5 Packet transmission management parameters 35 Table A.1 The comparison between this standard and ISO 22666.2016 chapter number 39 Table B.1 Technical differences between this standard and ISO 22666.2016 and their reasons 41

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the redrafting law to amend and adopt ISO 22666.2016 "Space Data and Information Transmission System Advanced On-orbit System". Inter-Data Link Protocol. Compared with ISO 22666.2016, this standard has many structural adjustments. Appendix A lists this standard and ISO 22666.2016 The chapter number comparison list. Compared with ISO 22666.2016, this standard has technical differences, and the clauses involved in these differences have been passed on the outer margins. The vertical single line (︱) is marked, and the corresponding technical differences and their reasons are listed in Appendix B. This standard also made the following editorial changes. --- Deleted part of the document structure and references in Chapter 1 of ISO 22666.2016; --- Changed Appendix A "Abbreviations" in ISO 22666.2016 to Chapter 4 of the main text; ---The informative appendix B "References" of ISO 22666.2016 was deleted. This standard was proposed and managed by the National Aerospace Technology and Application Standardization Technical Committee (SAC/TC425). Drafting organizations of this standard. Beijing Space Vehicle General Design Department, Nan'an Zhongji Institute of Standardization Co., Ltd., China Aerospace Standards Chemical Research Institute, Xi’an Space Radio Technology Research Institute. The main drafters of this standard. Wang Xianghui, Zhang Hongjun, Wang Weijia, Yu Sheng, Pan Li, Lei Yong, Zhang Hongyu, Wang Wenping, Li Ruijun, Guo Jia, Mao Liang, Zhu Bin, Qi Zheng, Yang Keyuan. Spatial data and information transmission system Advanced on-orbit system spatial data link protocol

1 Scope

This standard specifies the business, data unit format, protocol process, and management parameters of the Advanced On-Orbit System (AOS) spatial data link protocol And the protocol provisions supporting the security of the spatial data link. This standard applies to the number of data link layers for space-to-ground and air-to-air communications using advanced on-orbit system space data link protocols According to transmission business.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 2900.54 Electrotechnical terminology radio communication. transmitter, receiver, network and operation ISO 10537.2016 Spatial Data and Information Transmission System Packaging Business ISO 22646.2005 Space Data and Information Transmission System Space Packet Protocol

3 Terms and definitions

The following terms and definitions defined in GB/T 2900.54 apply to this document. 3.1 Delimitation The data has a known and finite length characteristic. 3.2 Mission phase A period of time of a space mission, during which the mission process has a specific goal. 3.3 Space link A communication link between a spacecraft and the corresponding ground system or between two spacecraft. Note. A space link contains one or more unidirectional or bidirectional physical channels.

4 Abbreviations

The following abbreviations apply to this document. AOS. Advanced on-orbit system B_PDU. bit stream protocol data unit ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 39345-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 39345-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 7 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 39345-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 39345-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.