ISO INTERNATIONAL STANDARD 22642 Second edition 2015-11-15 Space data and information transfer systems TC synchronization and channel coding Systemes de transfert des données et informations spatiales - Synchronisation TC et codage de canal Reference number ISO 22642:2015(E) @ ISO 2015 ZHEJIANG INST OF STANDARDIZATION C1 5956617 ted without license from IHS ISO 22642:2015(E) COPYRIGHT PROTECTED DOCUMENT @ISO2015 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland License=ZHEJIANG INST.OF STANDARDIZATIRJSQ15-All rights reserVed nited without license from IHS Not for Resale, 2016/3/29 05:57:2 ISO 22642:2015(E) Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies (isO member bodies). The work of preparing International Standards is normally carried out through IsO technical committees. Each member body interested in a subject for which a technical committee has been non-governmental, in liaison with IsO, also take part in the work. isO collaborates closely with the InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards International Standard requires approval by at least 75 % of the member bodies casting a vote. rights. IsO shall not be held responsible for identifying any or all such patent rights. This International Standard cancels and replaces ISO 22642:2005 which has been technically revised. It also incorporatesSO22642:2005/Cor.1:1997. ISO 22642 was prepared by the Consultative Committee for Space Data Systems (CCSDS) (as CCSDS International Standard) by Technical Committee ISO/TC 2o, Aircraft and space vehicles, Subcommittee SC13,Spacedataandinformationtransfersystems. ii ctforBee ANDARDIZATION C1 5956617