1、TECHNICALSPECIFICATIONIEC TS 61334-5-5First edition2001-09Distribution automation usingdistribution line carrier systems Part 5-5:Lower layer profiles Spread spectrum-fast frequencyhopping(SS-FFH)profileReference numberIEC/TS 61334-5-5:2001(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL U
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8、919 02 11Fax:+41 22 919 03 00LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TECHNICALSPECIFICATIONIECTS 61334-5-5First edition2001-09Distribution automation usingdistribution line carrier systems Part 5-5:Lower layer profiles Spread s
9、pectrum-fast frequencyhopping(SS-FFH)profilePRICE CODE IEC 2001 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any form or by any means,electronic ormechanical,including photocopying and microfilm,without permission in writing from the publisher.Internation
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11、INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 TS 61334-5-5 IEC:2001(E)CONTENTSFOREWORD.3INTRODUCTION.51Scope and object.62Normative references.63Abbreviations and definitions.73.1Abbreviations.73.2Definitions.74Physical layer.84.1Purpose.84.2Electrical characteristics.84.3Modul
12、ation principle.84.4Receiver principle.94.5Synchronization.94.6Frequency sets.104.7Physical frame encapsulation.104.8Symbol,bit and byte encoding.114.9Important parameters.114.10 Physical layer data services.114.11 Physical layer management interface.134.12 Physical layer states.145Medium access con
13、trol sublayer.165.1Outline.165.2Repeater principle.205.3MAC layer data service definition.205.4MAC layer timeout values.225.5MAC sublayer management services.235.6MAC layer states.27Figure 1 Time representation of M=3 SS-FFH symbol.8Figure 2 Coding of information symbols in sequence of carrier chips
14、.8Figure 3 Actual P_PDU representation.11Figure 4 MAC services.17Figure 5 Frame decomposition.19Figure 6 MAC management services.23Figure 7 Example segmentation of M_SDU.29LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TS 61334-5-5 IE
15、C:2001(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION_DISTRIBUTION AUTOMATION USINGDISTRIBUTION LINE CARRIER SYSTEMS Part 5-5:Lower layer profiles Spread spectrum-fast frequency hopping(SS-FFH)profileFOREWORD1)The IEC(International Electrotechnical Commission)is a worldwide organization for standardi
16、zation comprisingall national electrotechnical committees(IEC National Committees).The object of the IEC is to promoteinternational co-operation on all questions concerning standardization in the electrical and electronic fields.Tothis end and in addition to other activities,the IEC publishes International Standards.Their preparation isentrusted to technical committees;any IEC National Committee interested in the subject dealt with mayparticipate in this preparatory work.International,government
