ETSI EN 302 636-4-1-2017 Intelligent Transport Systems (ITS) Vehicular Communications GeoNetworking Part 4 Geographical addressing and forwarding for point-to-point and point-to-mu.pdf
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1、 ETSI EN 302 636-4-1 V1.3.1 (2017-08) Intelligent Transport Systems (ITS); Vehicular Communications; GeoNetworking; Part 4: Geographical addressing and forwarding for point-to-point and point-to-multipoint communications; Sub-part 1: Media-Independent Functionality EUROPEAN STANDARD ETSI ETSI EN 302
2、 636-4-1 V1.3.1 (2017-08)2 Reference REN/ITS-00349 Keywords autonomic networking, ITS, network, safety ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la S
3、ous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shal
4、l not be modified without the prior written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI S
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7、ten permission of ETSI. The content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. ETSI 2017. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are trademarks of ETSI
8、 registered for the benefit of its Members. 3GPPTM and LTE are trademarks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members. GSM and the GSM logo are trademarks registered and owned by the GSM Associatio
9、n. ETSI ETSI EN 302 636-4-1 V1.3.1 (2017-08)3 Contents Intellectual Property Rights 7g3Foreword . 7g3Modal verbs terminology 7g3Introduction 8g31 Scope 9g32 References 9g32.1 Normative references . 9g32.2 Informative references 10g33 Definitions, symbols and abbreviations . 10g33.1 Definitions 10g33
10、.2 Symbols 11g33.3 Abbreviations . 11g34 Services provided by the GeoNetworking protocol . 12g35 Format convention 13g36 GeoNetworking address . 14g36.1 General . 14g36.2 GeoNetworking address format 14g36.3 Fields of the GeoNetworking address 15g37 Security and privacy . 15g38 Data structures 16g38
11、.1 Location table . 16g38.1.1 General 16g38.1.2 Minimum data elements of a Location Table Entry 16g38.1.3 Maintenance of the Location Table 17g38.2 Ego Position Vector 17g38.2.1 General 17g38.2.2 Minimum data elements 17g38.2.3 Maintenance 17g38.3 Sequence number . 17g38.3.1 General 17g38.3.2 Mainte
12、nance 18g38.4 Location service packet buffer . 18g38.4.1 General 18g38.4.2 Buffer size . 18g38.4.3 Maintenance 18g38.5 Forwarding packet buffer . 19g38.5.1 General 19g38.5.2 Buffer size . 19g38.5.3 Maintenance 19g39 GeoNetworking packet structure and formats 20g39.1 Overview 20g39.2 Packet structure
13、 20g39.2.1 General 20g39.2.2 Overall packet structure 20g39.2.3 Maximum Transmit Unit 21g39.3 GeoNetworking header structure 21g39.4 GeoNetworking Secured Packet . 21g39.5 Position vectors 21g39.5.1 Overview 21g39.5.2 Long Position Vector 22g39.5.2.1 Structure 22g3ETSI ETSI EN 302 636-4-1 V1.3.1 (20
14、17-08)4 9.5.2.2 Fields . 22g39.5.3 Short Position Vector 22g39.5.3.1 Structure 22g39.5.3.2 Fields . 23g39.6 Basic Header 23g39.6.1 Composition of the Basic Header . 23g39.6.2 Fields of the Basic Header 24g39.6.3 Encoding of the NH field in the Basic Header . 24g39.6.4 Encoding of the LT field . 24g3
15、9.7 Common Header 25g39.7.1 Composition of the Common Header . 25g39.7.2 Fields of the Common Header 25g39.7.3 Encoding of the NH field in the Common Header 26g39.7.4 Encoding of the HT and HST fields 26g39.7.5 Encoding of the TC field . 27g39.8 GeoNetworking packet header types 27g39.8.1 Overview 2
16、7g39.8.2 GUC packet header . 27g39.8.2.1 Composition of the GUC packet header 27g39.8.2.2 Fields of the GUC packet header 28g39.8.3 TSB packet header 28g39.8.3.1 Composition of the TSB packet header . 28g39.8.3.2 Fields of the TSB packet header . 29g39.8.4 SHB packet header 29g39.8.4.1 Composition o
17、f the SHB packet header 29g39.8.4.2 Fields of the SHB packet header . 30g39.8.5 GBC/GAC packet header 30g39.8.5.1 Composition of the GBC/GAC packet header 30g39.8.5.2 Fields of the GBC/GAC packet header . 31g39.8.6 BEACON packet header . 31g39.8.6.1 Composition of the BEACON packet header 31g39.8.6.
18、2 Fields of the BEACON packet header 32g39.8.7 LS Request packet header . 32g39.9.7.1 Composition of the LS Request packet header 32g39.8.7.2 Fields of the LS Request packet header 33g39.8.8 LS Reply packet header 33g39.8.8.1 Composition of the LS Reply packet header . 33g39.8.8.2 Fields of the LS R
19、eply packet header 34g310 Protocol operation 34g310.1 General . 34g310.2 Network management . 35g310.2.1 Address configuration . 35g310.2.1.1 General 35g310.2.1.2 Auto-address configuration . 35g310.2.1.3 Managed address configuration 35g310.2.1.3.1 General Requirements . 35g310.2.1.3.2 Initial addr
20、ess configuration 35g310.2.1.3.3 Address update 35g310.2.1.4 Anonymous address configuration 36g310.2.1.5 Duplicate address detection . 36g310.2.2 Ego position vector and time update . 37g310.2.2.1 Overview . 37g310.2.2.2 Ego Position Vector update . 37g310.2.2.3 Time update. 37g310.2.3 Beaconing .
21、37g310.2.4 Location service 37g310.3 Packet handling 38g310.3.1 Overview 38g310.3.2 Basic Header field settings . 39g310.3.3 Basic Header processing 39g310.3.4 Common Header field settings 41g3ETSI ETSI EN 302 636-4-1 V1.3.1 (2017-08)5 10.3.5 Common Header processing . 42g310.3.6 Beacon packet handl
22、ing 42g310.3.6.1 General 42g310.3.6.2 Source operations 42g310.3.6.3 Receiver operations. 44g310.3.7 Location service packet handling 44g310.3.7.1 Source operations 44g310.3.7.1.1 Overview . 44g310.3.7.1.2 Operation for initial LS Request 44g310.3.7.1.3 Operation for LS Request re-transmission. 45g3
23、10.3.7.1.4 Operation for LS Reply . 46g310.3.7.2 Forwarder operations 46g310.3.7.3 Destination operations . 46g310.3.8 GUC packet handling 48g310.3.8.1 General 48g310.3.8.2 Source operations 48g310.3.8.3 Forwarder operations 50g310.3.8.4 Destination operations. 51g310.3.9 TSB packet handling . 52g31
24、0.3.9.1 General 52g310.3.9.2 Source operations 53g310.3.9.3 Forwarder and receiver operations 54g310.3.10 SHB packet handling 56g310.3.10.1 General 56g310.3.10.2 Source operations 56g310.3.10.3 Receiver operations . 57g310.3.11 GBC packet handling 58g310.3.11.1 General 58g310.3.11.2 Source operation
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