EN 16603-50-01-2014 en Space engineering - Space data links - Telemetry synchronization and channel coding《航天工程 空间数据传输器 遥感勘测的同步性及信道编码》.pdf
《EN 16603-50-01-2014 en Space engineering - Space data links - Telemetry synchronization and channel coding《航天工程 空间数据传输器 遥感勘测的同步性及信道编码》.pdf》由会员分享,可在线阅读,更多相关《EN 16603-50-01-2014 en Space engineering - Space data links - Telemetry synchronization and channel coding《航天工程 空间数据传输器 遥感勘测的同步性及信道编码》.pdf(72页珍藏版)》请在麦多课文档分享上搜索。
1、BSI Standards PublicationBS EN 16603-50-01:2014Space engineering Spacedata links Telemetrysynchronization and channelcodingBS EN 16603-50-01:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN16603-50-01:2014.The UK participation in its preparation was entruste
2、d to TechnicalCommittee ACE/68, Space systems and operations.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The
3、British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 84098 2ICS 49.140Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 Septem
4、ber 2014.Amendments issued since publicationDate Text affectedBS EN 16603-50-01:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16603-50-01 September 2014 ICS 49.140 English version Space engineering - Space data links - Telemetry synchronization and channel coding Ingnierie spatiale - Liai
5、son de donnes spatiales - Synchronisation et codage canal de la tlmesure Raumfahrtproduktsicherung - Raumfahrt-Datenbertragung - Telemetriesynchronisation und kanalkodierung This European Standard was approved by CEN on 11 April 2014. CEN and CENELEC members are bound to comply with the CEN/CENELEC
6、Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to
7、 any CEN and CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN and CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the sa
8、me status as the official versions. CEN and CENELEC members are the national standards bodies and national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, I
9、celand, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN/CENELEC All rights of exploitation in any
10、 form and by any means reserved worldwide for CEN national Members and for CENELEC Members. Ref. No. EN 16603-50-01:2014 EBS EN 16603-50-01:2014EN 16603-50-01:2014 (E) 2 Table of contents Foreword 6 1 Scope . 7 2 Normative references . 8 3 Terms, definitions and abbreviated terms 9 3.1 Terms from ot
11、her standards 9 3.2 Terms specific to the present standard . 9 3.3 Abbreviations 9 3.4 Conventions 10 4 Overview 11 4.1 Introduction . 11 4.2 Coding 11 4.2.1 Channel codes 11 4.2.2 Connection vectors . 12 4.3 Convolutional codes . 12 4.4 Reed-Solomon codes . 12 4.5 Concatenated codes . 13 4.6 Turbo
12、codes 13 4.7 Synchronization and pseudo-randomization . 13 5 Convolutional coding . 16 5.1 Properties . 16 5.2 General . 16 5.3 Basic convolutional code 17 5.4 Punctured convolutional code . 18 6 Reed-Solomon coding 20 6.1 Properties . 20 6.2 General . 20 6.3 Specification . 21 6.3.1 Parameters and
13、general characteristics 21 6.3.2 Generator polynomials 21 BS EN 16603-50-01:2014EN 16603-50-01:2014 (E) 3 6.3.3 Symbol interleaving depth . 22 6.3.4 Symbol interleaving mechanism 22 6.3.5 Reed-Solomon codeblock partitioning . 23 6.3.6 Shortened codeblock length 24 6.3.7 Dual basis symbol representat
14、ion and ordering . 25 6.3.8 Synchronization 26 6.3.9 Ambiguity resolution 26 6.4 Reed-Solomon with E=8 . 26 6.4.1 Introduction . 26 6.4.2 General . 27 7 Turbo coding . 28 7.1 Properties . 28 7.2 General . 28 7.3 Specification . 29 7.3.1 General . 29 7.3.2 Parameters and general characteristics 29 7.
15、3.3 Turbo code permutation 30 7.3.4 Backward and forward connection vectors 32 7.3.5 Turbo encoder block . 33 7.3.6 Turbo codeblock specification . 33 7.3.7 Turbo codeblock synchronization 34 8 Frame synchronization 35 8.1 Introduction . 35 8.2 The attached sync marker (ASM) . 35 8.2.1 Overview . 35
16、 8.2.2 Encoder side . 36 8.2.3 Decoder side . 36 8.3 ASM bit patterns . 36 8.4 Location of ASM . 37 8.5 Relationship of ASM to Reed-Solomon and turbo codeblocks 37 8.6 ASM for embedded data stream . 38 8.6.1 Overview . 38 8.6.2 Embedded ASM 38 9 Pseudo-randomizer 39 9.1 General . 39 9.1.1 Overview .
17、 39 BS EN 16603-50-01:2014EN 16603-50-01:2014 (E) 4 9.1.2 Application 39 9.2 Pseudo-randomizer description 39 9.3 Synchronization and application of pseudo-randomizer 40 9.3.1 Overview . 40 9.3.2 Application 40 9.4 Sequence specification . 41 Annex A (informative) Transformation between Berlekamp an
18、d conventional representations 43 Annex B (informative) Expansion of Reed-Solomon coefficients . 50 Annex C (informative) Compatible frame lengths 52 Annex D (informative) Application profiles . 54 Annex E (informative) Changes from ESA-PSS-04-103 60 Annex F (informative) Differences from CCSDS reco
19、mmendations 61 Annex G (informative) Mission configuration parameters . 62 Annex H (informative) Turbo code patent rights 66 Bibliography . 67 Figures Figure 3-1: Bit numbering convention . 10 Figure 4-1: Coding, randomization and synchronization (1) 14 Figure 4-2: Coding, randomization and synchron
20、ization (2) 15 Figure 5-1: Convolutional encoder block diagram . 18 Figure 5-2: Punctured encoder block diagram 19 Figure 6-1: Functional representation of R-S interleaving . 23 Figure 6-2: Reed-Solomon codeblock partitioning 24 Figure 7-1: Interpretation of permutation 31 Figure 7-2: Turbo encoder
21、block diagram . 32 Figure 7-3: Turbo codeblocks for code rates 1/2 and 1/4 34 Figure 7-4: Turbo codeblock with attached sync marker . 34 Figure 8-1: Format of channel access data unit (CADU) . 35 Figure 8-2 ASM bit pattern for non-turbo-coded data 36 Figure 8-3: ASM bit pattern for rate 1/2 turbo-co
22、ded data . 36 Figure 8-4: ASM bit pattern for rate 1/4 turbo-coded data . 37 Figure 8-5: Embedded ASM bit pattern 38 BS EN 16603-50-01:2014EN 16603-50-01:2014 (E) 5 Figure 9-1: Pseudo-randomizer configuration . 40 Figure 9-2: Pseudo-randomizer logic diagram 42 Figure A-1 : Transformational equivalen
23、ce . 44 Tables Table 5-1: Basic convolutional code characteristics 17 Table 5-2: Punctured convolutional code characteristics 19 Table 5-3: Puncture code patterns for convolutional codes 19 Table 7-1: Specified information block lengths . 30 Table 7-2: Codeblock lengths (measured in bits) 30 Table 7
24、-3: Parameters k1and k2for specified information block lengths . 31 Table 7-4: Forward connection vectors . 32 Table 8-1: ASM bit patterns in hexadecimal notation 37 Table A-1 : Equivalence of representations (Part 1 of 4) . 46 Table B-1 : Expansion for E=16 50 Table B-2 : Expansion for E=8 51 Table
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