ISO IEC 24771-2014 Information technology - Telecommunications and information exchange between systems - MAC PHY standard for ad hoc wireless network to suppor.pdf

1、 Reference number ISO/IEC 24771:2014(E) ISO/IEC 2014INTERNATIONAL STANDARD ISO/IEC 24771 Second edition 2014-08-01 Information technology Telecommunications and information exchange between systems MAC/PHY standard for ad hoc wireless network to support QoS in an industrial work environment Technolo

2、gies de linformation Tlcommunications et change dinformation entre systmes Norme MAC/PHY pour un rseau ad hoc sans fil qui supporte QoS dans un environnement de travail industriel ISO/IEC 24771:2014(E) COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2014 All rights reserved. Unless otherwise specified, no part

3、 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. Permission can be requested from either ISO at the address below or ISOs member bod

4、y in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO/IEC 2014 All rights reservedISO/IEC 24771:2014(E) ISO/IEC 2014 All rights reserved iii Conten

5、ts Page 1 Scope 1 2 Normative references 1 3 Terms and definitions, and abbreviations 2 3.1 Terms and definitions 2 3.2 List of Abbreviations . 3 4 Overview . 7 4.1 Characteristics . 7 4.1.1 Ad-hoc network 7 4.1.2 Quality of Service . 7 4.1.3 Binary CDMA technology 7 4.2 Components of network 7 4.2.

6、1 Station . 8 4.2.2 Resources . 8 4.3 Functional overview 8 4.3.1 Network synchronization 9 4.3.2 Data transmission 9 4.3.3 Security . 10 4.3.4 Power management . 11 4.3.5 Master handover 11 4.4 Summary of operations . 11 4.4.1 Broadcasting during the beacon period 11 4.4.2 Random access during the

7、contention period . 11 4.4.3 Exclusive access during the allocation period . 11 4.5 Summary of states . 12 4.5.1 Establishing the network 12 4.5.2 Associating with the network . 12 4.5.3 Security membership and key establishment. 12 4.5.4 Data transfer . 12 4.5.5 Master handover 12 4.5.6 Disassociat

8、ing from the network . 13 4.5.7 Terminating the network . 13 5 Inter-layer interfaces . 14 5.1 Summary . 14 5.2 General format of management primitives 14 5.2.1 MLME-GET.request and PLME-GET.request . 15 5.2.2 MLME-GET.confirm and PLME-GET.confirm 16 5.2.3 MLME-SET.request and PLME-SET.request . 16

9、5.2.4 MLME-SET.confirm and PLME-SET.confirm . 16 5.3 MLME SAP 17 5.3.1 Reset . 18 5.3.2 Scan . 19 5.3.3 Startup of network . 21 5.3.4 Synchronization . 22 5.3.5 Association . 24 5.3.6 Disassociation 27 5.3.7 Key request. 29 5.3.8 Key distribution 31 5.3.9 Security management 34 5.3.10 Master handove

10、r 38 5.3.11 Data request . 40 5.3.12 Network node data probe 42 5.3.13 Strean creation, modification, termination 44 ISO/IEC 24771:2014(E) ISO/IEC 2014 All rights reserved iv 5.3.14 Channel state 48 5.3.15 Remote scan . 50 5.3.16 Network parameter modification 53 5.3.17 Adjustment of power . 55 5.3.

11、18 Power saving 56 5.4 MAC management 58 5.4.1 MAC PIB master group 58 5.4.2 MAC PIB attributes group . 59 5.4.3 MAC PIB authentication group . 59 5.4.4 MAC PIB association group 59 5.4.5 MAC PIB network security group . 60 5.5 MAC SAP . 60 5.5.1 MAC-ASYNC-DATA.request 61 5.5.2 MAC-ASYNC-DATA.confir

12、m 62 5.5.3 MAC-ASYNC-DATA.indication 62 5.5.4 MAC-ISOCH-DATA.request . 63 5.5.5 MAC-ISOCH-DATA.confirm . 63 5.5.6 MAC-ISOCH-DATA.indication . 64 5.6 PHY specification . 64 5.6.1 PD-SAP 64 5.6.2 PLME-SAP. 74 5.6.3 Physical layer enumerated description . 79 6 Mac frame format . 81 6.1 Overview . 81 6.

13、2 General format of MAC frames . 81 6.2.1 Frame header . 82 6.2.2 Frame body . 85 6.3 Frame formats 86 6.3.1 Beacon 86 6.3.2 Acknowledgement . 88 6.3.3 Command 89 6.3.4 Data (stream or non-stream) . 90 6.3.5 RTS (Request To Send) . 90 6.3.6 CTS (Clear To Send) 91 6.4 Information block . 91 6.4.1 Sta

14、tion UID 92 6.4.2 Station name. 92 6.4.3 Station type. 92 6.4.4 Network synchronization 92 6.4.5 Capabilities . 93 6.4.6 Maximum supported time slot 93 6.4.7 Maximum transmit power 94 6.4.8 Resource allocation . 94 6.4.9 New master notification 95 6.4.10 Sleep state notification 95 6.4.11 Vendor spe

15、cific 95 6.5 Command block . 95 6.5.1 Network management 97 6.5.2 Stream management 99 6.5.3 Power management . 103 6.5.4 Key management . 104 6.5.5 Security management 105 6.5.6 Vendor specific 105 6.5.7 Other 106 7 MAC feature description . 110 7.1 Network formation and association . 110 7.1.1 Cha

16、nnel scanning 110 7.1.2 Network ID 111 7.1.3 Association . 111 ISO/IEC 24771:2014(E) ISO/IEC 2014 All rights reserved v 7.1.4 Disassociation 111 7.1.5 Master handover 112 7.2 Media access 112 7.2.1 Code assignment . 112 7.2.2 Inter-frame space . 112 7.2.3 Access during the contention period 113 7.2.

17、4 Access during the allocation period 113 7.3 Synchronization . 114 7.3.1 Superframe synchronization 114 7.3.2 Beacon generation . 115 7.3.3 Beacon reception . 115 7.3.4 Synchronization . 115 7.4 Resource allocation . 115 7.4.1 Transmission of synchronous data . 115 7.4.2 Asynchronous data transmiss

18、ion 117 7.5 Fragmentation and defragmentation . 117 7.6 Acknowledgement and retransmission . 118 7.6.1 No acknowledgement 118 7.6.2 Immediate acknowledgement . 118 7.6.3 Delayed acknowledgement . 118 7.6.4 Implicit acknowledgement 118 7.6.5 Retransmission 118 7.7 Power saving 119 7.7.1 Saving power

19、in a connected state 119 7.7.2 Sleep state 119 7.8 Dynamic channel management 119 7.8.1 Channel state probe 119 7.8.2 Remote Channel state probe 119 7.8.3 Frequency channel change . 120 7.9 MAC parameters 120 8 Security . 121 8.1 Security mechanisms 121 8.1.1 Security membership and key establishmen

20、t. 121 8.1.2 Key transport 121 8.1.3 Data encryption 121 8.1.4 Data integrity 121 8.1.5 Beacon integrity protection 122 8.1.6 Command integrity protection 122 8.1.7 Freshness protection 122 8.2 Security modes 122 8.2.1 Security mode 0 . 122 8.2.2 Security mode 1 . 122 8.2.3 Security mode 2 . 123 8.3

21、 Security Support 123 8.3.1 Changes in the network group data key 123 8.3.2 Joining a secure network 123 8.3.3 Secure frame generation . 124 8.3.4 Secure frame reception . 124 8.3.5 Retransmission detect 125 8.3.6 Key selection 125 8.4 Key management protocol 128 8.4.1 Key distribution protocol 128

22、8.4.2 Key request protocol . 130 8.5 CCM mode 131 8.5.1 Overview . 131 8.5.2 Nonce 131 8.5.3 Inputs 132 9 General specifications 135 9.1 General requirements 135 ISO/IEC 24771:2014(E) ISO/IEC 2014 All rights reserved vi 9.1.1 Operating frequency range . 135 9.1.2 PHY layer timing 136 9.1.3 Receive-t

23、o-transmit turnaround time . 137 9.1.4 Transmit-to-receive turnaround time . 137 9.1.5 Channel switch time 137 9.1.6 Maximum frame size 137 9.2 PHY Protocol Data Unit (PDU) format 137 9.2.1 General format . 137 9.2.2 Preamble . 138 9.2.3 PHY Header. 139 9.2.4 PHY payload . 140 9.3 Modulation and cod

24、ing 141 9.3.1 Spreading code 141 9.3.2 QPSK modulation 142 9.3.3 Constant envelope coding 142 9.3.4 Modulation methods for PHY PDU . 145 9.3.5 Data rate 146 9.3.6 QPSK Modulation and constellation 146 9.4 PHY layer constants and PHY PIB attribute 147 9.5 Transmitter specification 147 9.5.1 Error vec

25、tor magnitude (EVM) definition . 147 9.5.2 EVM calculated values 148 9.5.3 Transmitter power spectrum mask 148 9.5.4 Signal waveform filter 149 9.5.5 Error tolerance for carrier frequency . 149 9.5.6 Transmitter data rate . 149 9.5.7 Synchronization . 149 9.5.8 Transmitter response time 150 9.5.9 RF

26、 carrier suppression 150 9.5.10 Transmit power 150 9.6 Receiver specifications . 150 9.6.1 Error rate criteria 150 9.6.2 Receiver sensitivity . 151 9.6.3 Maximum input power . 151 9.6.4 Receiver Energy detection (ED) . 151 9.6.5 Clear channel assessment (CCA) 151 9.6.6 Received CCA performance 151 9

27、.6.7 Received Signal Strength Index . 151 9.6.8 Link Quality Index (LQI) . 152 Annex A (informative) Example scheduler and admission control 153 A.1 Scheduling algorithm 153 A.2 Admission control Algorithm . 154 ISO/IEC 24771:2014(E) ISO/IEC 2014 All rights reserved vii List of Figures FIGURE 1- NET

28、WORK . 8 FIGURE 2 - SUPERFRAME 9 FIGURE 3 - PROTOCOL STACK CONFIGURATION. 14 FIGURE 4 - TRANSMISSION ORDER 81 FIGURE 5 - FORMAT OF MAC FRAME . 82 FIGURE 6 - NON-SECURE MAC FRAME BODY FORMA T . 82 FIGURE 7 - SECURE MAC FRAME BODY FORMA T 82 FIGURE 8 - FORMAT OF FRAME CONTROL FIELDS 82 FIGURE 9 - FORM

29、AT OF STREAM ID FIELD 84 FIGURE 10 - NON-SECURE BEACON FRAME FORMA T . 86 FIGURE 11 - SECURE BEACON FRAME FORMA T . 87 FIGURE 12 - IMMEDIATE ACKNOWLEDGEMENT FRAME FORMAT . 88 FIGURE 13 - DELAYED ACKNOWLEDGEMENT FRAME PAYLOAD FORMAT . 89 FIGURE 14 - FORMAT OF RECORD FOR STREAM-M 89 FIGURE 15 - NON-SE

30、CURE COMMAND FRAME FORMA T . 89 FIGURE 16 - COMMAND BLOCK FORMA T 90 FIGURE 17 - FORMAT OF SECURE COMMAND FRAME. 90 FIGURE 18 - NON-SECURE DA TA FRAME FORMA T 90 FIGURE 19 - SECURE DA TA FRAME FORMA T 90 FIGURE 20 - RTS FRAME FORMA T . 91 FIGURE 21 - CTS FRAME FORMA T 91 FIGURE 22 - INFORMA TION BLO

31、CK FORMA T 92 FIGURE 23 - STATION UID INFORMA TION BLOCK FORMAT 92 FIGURE 24 - STATION NAME INFORMA TION BLOCK FORMAT 92 FIGURE 25 - STATION TYPE INFORMA TION BLOCK FORMAT . 92 FIGURE 26 - NETWORK SYNCHRONIZATION INFORMA TION BLOCK FORMAT 92 FIGURE 27 - CAPABILITY INFORMA TION BLOCK FORMAT 93 FIGURE

32、 28 - CAPABILITY FIELD FORMAT . 93 FIGURE 29 - MAXIMUM SUPPORT TIMESLOT INFORMA TION BLOCK FORMAT . 93 FIGURE 30 - MAXIMUM TRANSMIT POWER INFORMATION BLOCK FORMAT . 94 FIGURE 31 - RESOURCE ALLOCA TION INFORMA TION BLOCK FORMAT . 94 FIGURE 32 - RESOURCE ALLOCA TION BLOCK FORMA T 94 FIGURE 33 - NEW MA

33、STER NOTIFICA TION INFORMA TION BLOCK FORMAT . 95 FIGURE 34 - SLEEP STATE NOTIFICA TION INFORMA TION BLOCK FORMAT . 95 FIGURE 35 - VENDOR SPECIFIC INFORMA TION ELEMENT FORMAT . 95 FIGURE 36 - COMMAND BLOCK FORMA T 96 FIGURE 37 - ASSOCIATE REQUEST COMMAND BLOCK FORMAT 97 FIGURE 38 - ASSOCIATION RESPO

34、NSE COMMAND BLOCK FORMAT 97 FIGURE 39 - DISASSOCIATION REQUEST PAYLOAD FORMAT 98 FIGURE 40 - MASTER HANDOVER COMMAND BLOCK FORMAT 99 FIGURE 41 - RESOURCE ALLOCA TION REQUEST COMMAND BLOCK FORMAT . 100 FIGURE 42 - RESOURCE ALLOCA TION REQUEST RECORD FORMAT . 100 FIGURE 43 - RESOURCE ALLOCA TION RESPO

35、NSE COMMAND BLOCK FORMAT 100 FIGURE 44 - RESOURCE ALLOCA TION MODIFICATION COMMAND BLOCK FORMAT. 101 FIGURE 45 - RESOURCE ALLOCA TION MODIFICATION REQUEST RECORD FORMAT . 101 FIGURE 46 - RESOURCE ALLOCA TION TERMINA TION COMMAND BLOCK FORMAT 102 FIGURE 47 - DELAYED ACKNOWLEDGEMENT RESYNCHRONIZATION

36、COMMAND BLOCK FORMAT 102 FIGURE 48 - DELAYED ACKNOWLEDGEMENT RESYNCHRONIZATION COMMAND RECORD FORMAT 102 FIGURE 49 - SLEEP STATE REQUEST COMMAND BLOCK FORMAT . 103 FIGURE 50 - SLEEP STATE RESPONSE COMMAND BLOCK FORMAT 103 FIGURE 51 - ACTIVATION INDICA TION COMMAND BLOCK FORMAT 104 FIGURE 52 - TRANSM

37、IT POWER ADJUSTMENT COMMAND BLOCK FORMAT 104 FIGURE 53 - KEY REQUEST COMMAND FORMA T 104 FIGURE 54 - REQUEST KEY RESPONSE COMMAND FORMAT . 104 ISO/IEC 24771:2014(E) ISO/IEC 2014 All rights reserved viii FIGURE 55 - REQUEST KEY RESPONSE COMMAND FORMAT . 105 FIGURE 56 - REQUEST KEY RESPONSE COMMAND FO

38、RMAT . 105 FIGURE 57 - VENDOR SPECIFIC SECURITY INFORMA TION FORMAT 105 FIGURE 58 - VENDOR SPECIFIC INFORMA TION ELEMENT FORMAT . 106 FIGURE 59 - STATION INFORMATION REQUEST COMMAND BLOCK FORMAT . 106 FIGURE 60 - STATION INFORMATION RESPONSE COMMAND BLOCK FORMAT . 106 FIGURE 61 - STATION INFORMATION

39、 BLOCK FORMA T 106 FIGURE 62 - DATA QUERY COMMAND BLOCK FORMA T 107 FIGURE 63 - CHANNEL STATE REQUEST COMMAND BLOCK FORMAT . 107 FIGURE 64 - CHANNEL STATE RESPONSE COMMAND BLOCK FORMAT 107 FIGURE 65 - REMOTE CHANNEL SCAN REQUEST COMMAND BLOCK FORMAT 108 FIGURE 66 - REMOTE CHANNEL SCAN RESPONSE COMMA

40、ND BLOCK FORMAT . 108 FIGURE 67 - CHANNEL INFORMA TION BLOCK FORMA T 108 FIGURE 68 - APPLICATION SPECIFIC COMMAND FORMAT 109 FIGURE 69 - ASSOCIATION PROCESS . 111 FIGURE 70 - INTER-FRAME SPACE IN THE ALLOCATED TIME SLOTS . 114 FIGURE 71 - SUPERFRAME SYNCHRONIZATION . 114 FIGURE 72 - STREAM CONNECTIO

41、N PROCESS FOR SYNCHRONIZED DATA TRANSMISSION 116 FIGURE 73 - MESSAGE FLOW OF KEY DISTRIBUTION BETWEEN THE MASTER AND A STATION 129 FIGURE 74 - MESSAGE FLOW OF THE KEY DISTRIBUTION BETWEEN STATIONS 130 FIGURE 75 - MESSAGE FLOW OF KEY REQUEST BETWEEN A STATION AND A KEY ORIGINATOR 131 FIGURE 76 - CCM

42、NONCE FORMA T . 132 FIGURE 77 - SECURE BEACON FRAME FORMA T . 132 FIGURE 78 - FORMAT OF SECURE COMMAND FRAME. 132 FIGURE 79 - SECURE DA TA FRAME FORMA T 133 FIGURE 80 - CCM INTEGRITY CODE GENERA TION BLOCK . 133 FIGURE 81 - INTEGRITY BLOCK B_0 . 133 FIGURE 82 - INTEGRITY BLOCK B_1 . 133 FIGURE 83 -

43、INTEGRITY BLOCK B_2, , B_N 134 FIGURE 84 - DATA ENCRYPTION BLOCK 134 FIGURE 85 - ENCRYPTION BLOCK . 134 FIGURE 86 - OPERATING FREQUENCY CHANNELS AT 2.4 2.4835GHZ AND 5.725 5.825GHZ 135 FIGURE 87 - PHY PROTOCOL DA TA UNIT (PDU) FORMAT 137 FIGURE 88 - PREAMBLE FORMA T 138 FIGURE 89 - PHY HEADER . 139

44、FIGURE 90 - LFSR GENERATING THE (15,10) SHORTENED HAMMING CODE . 139 FIGURE 91 - LFSR CIRCUIT GENERA TING THE HEC 140 FIGURE 92 - SCRAMBLER BLOCK DIAGRAM . 141 FIGURE 93 - QPSK MODULATION . 142 FIGURE 94 - RATE1 BLOCK DIAGRAM 143 FIGURE 95 - RATE2 BLOCK DIAGRAM 143 FIGURE 96 - RATE3 BLOCK DIAGRAM 14

45、4 FIGURE 97 - RATE4 BLOCK DIAGRAM 145 FIGURE 98 - PREAMBLE MODULATION 145 FIGURE 99 - HEADER MODULATION 145 FIGURE 100 - PAYLOAD MODULATION 146 FIGURE 101 - SIGNAL CONSTELLATION- OF QPSK . 146 FIGURE 102 - ERROR VECTOR CALCULATION 148 FIGURE 103 - TRANSMIT POWER SPECTRUM MASK . 149 FIGURE 104 - TRAN

46、SMITTER RF RESPONSE TIME 150 ISO/IEC 24771:2014(E) ISO/IEC 2014 All rights reserved ix List of Tables TABLE 1 - GENERAL MANAGEMENT PRIMITIVE OVERVIEW . 15 TABLE 2 - MLME/PLME GENERAL MANAGEMENT PRIMITIVE PARAMETERS . 15 TABLE 3 - MLME PRIMITIVE SUMMARY . 17 TABLE 4 - MLME-RESET PRIMITIVE PARAMETERS

47、. 18 TABLE 5 - MLME-SCAN PRIMITIVE PARAMETERS 19 TABLE 6 - PICONETDESCRIPTION ELEMENTS 19 TABLE 7 - MLME-START PRIMITIVE PARAMETERS . 21 TABLE 8 - MLME-SYNCH PRIMITIVE PARAMETERS 22 TABLE 9 - MLME-ASSOCIATE.PRIMITIVE PARAMETERS . 24 TABLE 10 - MLME-DISASSOCIATE PRIMITIVE PARAMETERS . 27 TABLE 11 - M

48、LME-REQUEST-KEY PRIMITIVE PARAMETERS 29 TABLE 12 - MLME-DISTRIBUTE-KEY PRIMITIVE PARAMETERS. 31 TABLE 13 - MLME-MEMBERSHIP-UPDATE PRIMITIVE PARAMETERS . 34 TABLE 14 - MLME-SECURITY-ERROR PRIMITIVE PARAMETERS . 34 TABLE 15 - MLME-SECURITY-MESSAGE PRIMITIVE PARAMETERS 35 TABLE 16 - MLME-MASTER-HANDOVE

49、R PRIMITIVE PARAMETERS 38 TABLE 17 - MLME-MASTER-INFO PRIMITIVE PARAMETERS 40 TABLE 18 - MLME-PROBE PRIMITIVE PARAMETERS 42 TABLE 19 - MLME-CREATE-STREAM, MLME-MODIFY-STREAM, MLME-TERMINATE-STREAM PRIMITIVE PARAMETERS 44 TABLE 20 - MLME-CHANNEL-STATUS PRIMITIVE PARAMETERS 48 TABLE 21 - MLME-REMOTE-SCAN PRIMITIVE PARAMETERS . 50 TABLE 22 - REMOTEPICONETDESCRIPTION ELEMENTS. 51 TABLE 23 - MLME-NETWORK-PARM-CHANGE PRIMITIVE PARAMETERS . 53 TABLE 24 - MLME-TX-POWER-CHANGE PRIMITIVE PARAMETERS . 55 TABLE 25 - MLME-SLEEP PRIMITIVE PARAMETERS .