BS EN 16603-50:2022

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Space engineering. Communications

Published By	Publication Date	Number of Pages
BSI	2022	82

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Description

This Standard specifies the requirements for the development of the endtoend data communications system for spacecraft. Specifically, this standard specifies: – The terminology to be used for space communication systems engineering. – The activities to be performed as part of the space communication system engineering process, in accordance with the ECSS-E-ST-10 standard. – Specific requirements on space communication systems in respect of functionality and performance. The communications links covered by this Standard are the spacetoground and spacetospace links used during spacecraft operations, and the communications links to the spacecraft used during the assembly, integration and test, and operational phases. Spacecraft endtoend communication systems comprise components in three distinct domains, namely the ground network, the space link, and the space network. This Standard covers the components of the space link and space network in detail. However, this Standard only covers those aspects of the ground network that are necessary for the provision of the endtoend communication services. NOTE Other aspects of the ground network are covered in ECSS-E ST 70. This Standard may be tailored for the specific characteristics and constraints of a space project in conformance with ECSS-S ST 00.

PDF Catalog

PDF Pages	PDF Title
2	undefined
10	1 Scope
11	2 Normative references
12	3 Terms, definitions and abbreviated terms 3.1 Terms defined in other standards 3.2 Terms specific to the present standard
15	3.3 Abbreviated terms
17	4 Space communications engineering principles 4.1 Context
18	4.2 Overall space communication
23	4.3 Space communication domains 4.3.1 Overview 4.3.2 Space network 4.3.2.1 Overview
24	4.3.2.2 On-board network 4.3.2.3 Inter-spacecraft network 4.3.3 Space link
25	4.3.4 Ground network
26	4.4 Communications engineering process 4.4.1 Introduction 4.4.2 Communication engineering activities 4.4.2.1 Overview 4.4.2.2 Communications engineering management 4.4.2.3 Requirement engineering
27	4.4.2.4 Analysis 4.4.2.5 Design and configuration 4.4.2.6 Implementation 4.4.2.7 Verification
28	4.4.2.8 Operations 4.4.3 Process milestones 4.5 Relationship with other standards
29	4.6 <> 4.7 Spacecraft control considerations
30	5 Requirements 5.1 Introduction 5.2 Space communication system engineering process 5.2.1 Requirements engineering 5.2.1.1 Overview 5.2.1.2 Activities
31	5.2.1.3 Outputs 5.2.2 Analysis 5.2.2.1 Overview 5.2.2.2 Activities 5.2.2.3 Outputs
32	5.2.3 Design and configuration 5.2.3.1 Overview 5.2.3.2 Activities 5.2.3.3 Outputs
33	5.2.4 Implementation 5.2.4.1 Overview 5.2.4.2 Activities 5.2.4.3 Outputs
34	5.2.5 Verification 5.2.5.1 Overview 5.2.5.2 Activities 5.2.5.3 Outputs
35	5.2.6 Operations 5.2.6.1 Overview 5.2.6.2 Activities 5.2.6.3 Outputs 5.3 Space communication system 5.3.1 Bandwidth allocation
36	5.3.2 Congestion 5.3.3 Cessation of emission 5.4 Telecommanding 5.4.1 Commandability at all attitudes and rates 5.4.2 Telecommand delivery service 5.4.3 Erroneous telecommand rejection 5.4.4 Essential telecommand distribution
37	5.4.5 Command authentication 5.4.6 Command encryption 5.4.7 Commanding�in�the�blind 5.4.8 Telecommand acknowledgement 5.4.9 Hot redundancy of on-board telecommand chains
38	5.4.10 Telecommand destination identification 5.5 Telemetry 5.5.1 Telemetry at all attitudes and rates 5.5.2 Essential telemetry acquisition
39	5.5.3 Telemetry source identification 5.5.4 Telemetry�in�the�blind 5.5.5 Telemetry data time stamping 5.5.6 Simultaneous support of differing source rates 5.5.7 Telemetry authentication and encryption
40	5.6 Space link 5.6.1 Introduction 5.6.1.1 Overview 5.6.1.2 Conformity to ITU/RR 5.6.2 Directionality 5.6.3 Short contact periods
41	5.6.4 Interoperability 5.6.5 Orbits 5.6.6 Noise sources 5.6.7 Mission phases 5.6.8 Link setup times 5.6.9 Mixed isochronous and asynchronous traffic
42	5.6.10 Mixed housekeeping and payload data 5.6.11 Space link performance 5.6.11.1 Doppler shift and Doppler rate 5.6.11.2 Operation during tumbling 5.6.11.3 Tolerance of run lengths and transition densities 5.6.11.4 Failure modes 5.6.11.5 Uplink assumed bit error rate (BER) 5.6.11.6 Uplink frame rejection rate
43	5.6.11.7 Probability of accepting corrupted uplink frames 5.6.11.8 Downlink frame rejection rate 5.6.11.9 Probability of accepting corrupted downlink frames 5.6.11.10 Low delay 5.6.11.11 Downlink rates 5.6.12 Space link frequency 5.6.12.1 Space link media
44	5.6.12.2 Frequency band selection 5.6.12.3 Unwanted RF emissions 5.6.12.4 Power flux density limits 5.6.13 Space link protocol 5.6.13.1 Spacecraft and link identification
45	5.6.13.2 Data unit identifier 5.6.13.3 Sequence identifier 5.6.13.4 Error detection 5.6.13.5 ARQ settings 5.6.14 Space link service 5.6.14.1 Connection establishment and maintenance
46	5.6.14.2 Guaranteed delivery 5.6.14.3 Expedited delivery 5.6.14.4 Isochronous services 5.6.14.5 Isochronous requirements 5.6.14.6 Time correlation
47	5.6.14.7 Ranging and Doppler tracking 5.6.14.8 Telecommand receipt confirmation 5.6.14.9 Space link exception reporting 5.7 Space network 5.7.1 On-board network 5.7.1.1 Overview 5.7.1.2 Deterministic performance
48	5.7.1.3 Synchronous command and control 5.7.1.4 Asynchronous data transfers 5.7.1.5 On-board network medium access 5.7.1.6 Hot redundant operation of space network nodes 5.7.1.7 <> 5.7.1.8 On-board network error rates 5.7.2 On-board network services 5.7.2.1 Data transfer services 5.7.2.2 <> 5.7.2.3 Expedited transfer services
49	5.7.2.4 On-board network management service 5.7.2.5 On-board network redundancy management 5.7.2.6 On-board network exception reporting 5.7.2.7 Telecommand delivery confirmation 5.7.2.8 Time distribution 5.7.3 Inter-spacecraft network 5.7.3.1 Overview 5.7.3.2 Deterministic performance
50	5.7.3.3 Asynchronous data transfers 5.7.4 Inter-spacecraft network services 5.7.4.1 Data transfer services 5.7.4.2 Expedited transfer services 5.7.4.3 Inter-spacecraft network management service 5.7.4.4 Inter-spacecraft network exception reporting 5.7.4.5 Time synchronization 5.8 Ground network 5.8.1 Overview
51	5.8.2 Data labelling 5.8.3 Security 5.8.4 Error rates 5.8.5 Hot redundant operation of ground network nodes 5.8.6 Ground network availability

Additional information

Status	Definitive
Pages	82
Publication Date	2022-08-23
ISBN	978 0 539 15038 4
Standard Number	BS EN 16603-50:2022
Title	Space engineering. Communications
Identical National Standard Of	EN 16603-50
Replaces	BS EN 16603-50:2014
Descriptors	Space transport, Performance testing, Environmental testing, Project management, Testing, Approval testing, Space technology, Communication equipment, Production management, Aerospace transport, Technical documents, Space sciences, Management, Verification
Publisher	BSI
Committee	ACE/68
ICS Codes	49.140 - Space systems and operations

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